diff options
99 files changed, 1695 insertions, 296 deletions
diff --git a/MAINTAINERS b/MAINTAINERS index b5ea4d033730..bbe49d8c22af 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -4945,6 +4945,7 @@ T: git git://git.kernel.org/pub/scm/linux/kernel/git/epip/linux-2.6-unicore32.gi F: drivers/input/serio/i8042-unicore32io.h F: drivers/i2c/busses/i2c-puv3.c F: drivers/video/fb-puv3.c +F: drivers/rtc/rtc-puv3.c PMC SIERRA MaxRAID DRIVER M: Anil Ravindranath <anil_ravindranath@pmc-sierra.com> @@ -378,7 +378,7 @@ KBUILD_LDFLAGS_MODULE := -T $(srctree)/scripts/module-common.lds # Read KERNELRELEASE from include/config/kernel.release (if it exists) KERNELRELEASE = $(shell cat include/config/kernel.release 2> /dev/null) -KERNELVERSION = $(VERSION).$(PATCHLEVEL).$(SUBLEVEL)$(EXTRAVERSION) +KERNELVERSION = $(VERSION)$(if $(PATCHLEVEL),.$(PATCHLEVEL)$(if $(SUBLEVEL),.$(SUBLEVEL)))$(EXTRAVERSION) export VERSION PATCHLEVEL SUBLEVEL KERNELRELEASE KERNELVERSION export ARCH SRCARCH CONFIG_SHELL HOSTCC HOSTCFLAGS CROSS_COMPILE AS LD CC @@ -1005,7 +1005,7 @@ endef define filechk_version.h (echo \#define LINUX_VERSION_CODE $(shell \ - expr $(VERSION) \* 65536 + $(PATCHLEVEL) \* 256 + $(SUBLEVEL)); \ + expr $(VERSION) \* 65536 + 0$(PATCHLEVEL) \* 256 + 0$(SUBLEVEL)); \ echo '#define KERNEL_VERSION(a,b,c) (((a) << 16) + ((b) << 8) + (c))';) endef @@ -1110,11 +1110,6 @@ modules_install: _modinst_ _modinst_post PHONY += _modinst_ _modinst_: - @if [ -z "`$(DEPMOD) -V 2>/dev/null | grep module-init-tools`" ]; then \ - echo "Warning: you may need to install module-init-tools"; \ - echo "See http://www.codemonkey.org.uk/docs/post-halloween-2.6.txt";\ - sleep 1; \ - fi @rm -rf $(MODLIB)/kernel @rm -f $(MODLIB)/source @mkdir -p $(MODLIB)/kernel @@ -1531,12 +1526,7 @@ quiet_cmd_rmfiles = $(if $(wildcard $(rm-files)),CLEAN $(wildcard $(rm-files)) # Run depmod only if we have System.map and depmod is executable quiet_cmd_depmod = DEPMOD $(KERNELRELEASE) - cmd_depmod = \ - if [ -r System.map -a -x $(DEPMOD) ]; then \ - $(DEPMOD) -ae -F System.map \ - $(if $(strip $(INSTALL_MOD_PATH)), -b $(INSTALL_MOD_PATH) ) \ - $(KERNELRELEASE); \ - fi + cmd_depmod = $(srctree)/scripts/depmod.sh $(DEPMOD) $(KERNELRELEASE) # Create temporary dir for module support files # clean it up only when building all modules diff --git a/arch/powerpc/boot/.gitignore b/arch/powerpc/boot/.gitignore index 3d80c3e9cf60..12da77ec0228 100644 --- a/arch/powerpc/boot/.gitignore +++ b/arch/powerpc/boot/.gitignore @@ -1,5 +1,4 @@ addnote -dtc empty.c hack-coff infblock.c diff --git a/arch/powerpc/boot/dtc-src/.gitignore b/arch/powerpc/boot/dtc-src/.gitignore deleted file mode 100644 index a7c3f94e5e75..000000000000 --- a/arch/powerpc/boot/dtc-src/.gitignore +++ /dev/null @@ -1,3 +0,0 @@ -dtc-lexer.lex.c -dtc-parser.tab.c -dtc-parser.tab.h diff --git a/arch/powerpc/include/asm/rio.h b/arch/powerpc/include/asm/rio.h index d902abd33995..b1d2deceeedb 100644 --- a/arch/powerpc/include/asm/rio.h +++ b/arch/powerpc/include/asm/rio.h @@ -14,7 +14,7 @@ #define ASM_PPC_RIO_H extern void platform_rio_init(void); -#ifdef CONFIG_RAPIDIO +#ifdef CONFIG_FSL_RIO extern int fsl_rio_mcheck_exception(struct pt_regs *); #else static inline int fsl_rio_mcheck_exception(struct pt_regs *regs) {return 0; } diff --git a/arch/powerpc/kernel/cputable.c b/arch/powerpc/kernel/cputable.c index 34d2722b9451..9fb933248ab6 100644 --- a/arch/powerpc/kernel/cputable.c +++ b/arch/powerpc/kernel/cputable.c @@ -1979,7 +1979,7 @@ static struct cpu_spec __initdata cpu_specs[] = { .pvr_value = 0x80240000, .cpu_name = "e5500", .cpu_features = CPU_FTRS_E5500, - .cpu_user_features = COMMON_USER_BOOKE, + .cpu_user_features = COMMON_USER_BOOKE | PPC_FEATURE_HAS_FPU, .mmu_features = MMU_FTR_TYPE_FSL_E | MMU_FTR_BIG_PHYS | MMU_FTR_USE_TLBILX, .icache_bsize = 64, diff --git a/arch/powerpc/kernel/prom.c b/arch/powerpc/kernel/prom.c index f2c906b1d8d3..8c3112a57cf2 100644 --- a/arch/powerpc/kernel/prom.c +++ b/arch/powerpc/kernel/prom.c @@ -82,11 +82,29 @@ static int __init early_parse_mem(char *p) } early_param("mem", early_parse_mem); +/* + * overlaps_initrd - check for overlap with page aligned extension of + * initrd. + */ +static inline int overlaps_initrd(unsigned long start, unsigned long size) +{ +#ifdef CONFIG_BLK_DEV_INITRD + if (!initrd_start) + return 0; + + return (start + size) > _ALIGN_DOWN(initrd_start, PAGE_SIZE) && + start <= _ALIGN_UP(initrd_end, PAGE_SIZE); +#else + return 0; +#endif +} + /** * move_device_tree - move tree to an unused area, if needed. * * The device tree may be allocated beyond our memory limit, or inside the - * crash kernel region for kdump. If so, move it out of the way. + * crash kernel region for kdump, or within the page aligned range of initrd. + * If so, move it out of the way. */ static void __init move_device_tree(void) { @@ -99,7 +117,8 @@ static void __init move_device_tree(void) size = be32_to_cpu(initial_boot_params->totalsize); if ((memory_limit && (start + size) > PHYSICAL_START + memory_limit) || - overlaps_crashkernel(start, size)) { + overlaps_crashkernel(start, size) || + overlaps_initrd(start, size)) { p = __va(memblock_alloc(size, PAGE_SIZE)); memcpy(p, initial_boot_params, size); initial_boot_params = (struct boot_param_header *)p; @@ -555,7 +574,9 @@ static void __init early_reserve_mem(void) #ifdef CONFIG_BLK_DEV_INITRD /* then reserve the initrd, if any */ if (initrd_start && (initrd_end > initrd_start)) - memblock_reserve(__pa(initrd_start), initrd_end - initrd_start); + memblock_reserve(_ALIGN_DOWN(__pa(initrd_start), PAGE_SIZE), + _ALIGN_UP(initrd_end, PAGE_SIZE) - + _ALIGN_DOWN(initrd_start, PAGE_SIZE)); #endif /* CONFIG_BLK_DEV_INITRD */ #ifdef CONFIG_PPC32 diff --git a/arch/powerpc/mm/init_32.c b/arch/powerpc/mm/init_32.c index d65b591e5556..5de0f254dbb5 100644 --- a/arch/powerpc/mm/init_32.c +++ b/arch/powerpc/mm/init_32.c @@ -223,21 +223,6 @@ void free_initmem(void) #undef FREESEC } -#ifdef CONFIG_BLK_DEV_INITRD -void free_initrd_mem(unsigned long start, unsigned long end) -{ - if (start < end) - printk ("Freeing initrd memory: %ldk freed\n", (end - start) >> 10); - for (; start < end; start += PAGE_SIZE) { - ClearPageReserved(virt_to_page(start)); - init_page_count(virt_to_page(start)); - free_page(start); - totalram_pages++; - } -} -#endif - - #ifdef CONFIG_8xx /* No 8xx specific .c file to put that in ... */ void setup_initial_memory_limit(phys_addr_t first_memblock_base, phys_addr_t first_memblock_size) diff --git a/arch/powerpc/mm/init_64.c b/arch/powerpc/mm/init_64.c index 6374b2196a17..f6dbb4c20e64 100644 --- a/arch/powerpc/mm/init_64.c +++ b/arch/powerpc/mm/init_64.c @@ -99,20 +99,6 @@ void free_initmem(void) ((unsigned long)__init_end - (unsigned long)__init_begin) >> 10); } -#ifdef CONFIG_BLK_DEV_INITRD -void free_initrd_mem(unsigned long start, unsigned long end) -{ - if (start < end) - printk ("Freeing initrd memory: %ldk freed\n", (end - start) >> 10); - for (; start < end; start += PAGE_SIZE) { - ClearPageReserved(virt_to_page(start)); - init_page_count(virt_to_page(start)); - free_page(start); - totalram_pages++; - } -} -#endif - static void pgd_ctor(void *addr) { memset(addr, 0, PGD_TABLE_SIZE); diff --git a/arch/powerpc/mm/mem.c b/arch/powerpc/mm/mem.c index 57e545b84bf1..29d4dde65c45 100644 --- a/arch/powerpc/mm/mem.c +++ b/arch/powerpc/mm/mem.c @@ -382,6 +382,25 @@ void __init mem_init(void) mem_init_done = 1; } +#ifdef CONFIG_BLK_DEV_INITRD +void __init free_initrd_mem(unsigned long start, unsigned long end) +{ + if (start >= end) + return; + + start = _ALIGN_DOWN(start, PAGE_SIZE); + end = _ALIGN_UP(end, PAGE_SIZE); + pr_info("Freeing initrd memory: %ldk freed\n", (end - start) >> 10); + + for (; start < end; start += PAGE_SIZE) { + ClearPageReserved(virt_to_page(start)); + init_page_count(virt_to_page(start)); + free_page(start); + totalram_pages++; + } +} +#endif + /* * This is called when a page has been modified by the kernel. * It just marks the page as not i-cache clean. We do the i-cache diff --git a/arch/powerpc/sysdev/fsl_lbc.c b/arch/powerpc/sysdev/fsl_lbc.c index 0608b1657da4..d917573cf1a8 100644 --- a/arch/powerpc/sysdev/fsl_lbc.c +++ b/arch/powerpc/sysdev/fsl_lbc.c @@ -196,9 +196,6 @@ static int __devinit fsl_lbc_ctrl_init(struct fsl_lbc_ctrl *ctrl, out_be32(&lbc->lteccr, LTECCR_CLEAR); out_be32(&lbc->ltedr, LTEDR_ENABLE); - /* Enable interrupts for any detected events */ - out_be32(&lbc->lteir, LTEIR_ENABLE); - /* Set the monitor timeout value to the maximum for erratum A001 */ if (of_device_is_compatible(node, "fsl,elbc")) clrsetbits_be32(&lbc->lbcr, LBCR_BMT, LBCR_BMTPS); @@ -322,6 +319,9 @@ static int __devinit fsl_lbc_ctrl_probe(struct platform_device *dev) goto err; } + /* Enable interrupts for any detected events */ + out_be32(&fsl_lbc_ctrl_dev->regs->lteir, LTEIR_ENABLE); + return 0; err: diff --git a/arch/sparc/Kconfig b/arch/sparc/Kconfig index af32e17fa170..253986bd6bb6 100644 --- a/arch/sparc/Kconfig +++ b/arch/sparc/Kconfig @@ -26,7 +26,6 @@ config SPARC select HAVE_DMA_API_DEBUG select HAVE_ARCH_JUMP_LABEL select HAVE_GENERIC_HARDIRQS - select GENERIC_HARDIRQS_NO_DEPRECATED select GENERIC_IRQ_SHOW select USE_GENERIC_SMP_HELPERS if SMP @@ -528,6 +527,23 @@ config PCI_DOMAINS config PCI_SYSCALL def_bool PCI +config PCIC_PCI + bool + depends on PCI && SPARC32 && !SPARC_LEON + default y + +config LEON_PCI + bool + depends on PCI && SPARC_LEON + default y + +config GRPCI2 + bool "GRPCI2 Host Bridge Support" + depends on LEON_PCI + default y + help + Say Y here to include the GRPCI2 Host Bridge Driver. + source "drivers/pci/Kconfig" source "drivers/pcmcia/Kconfig" diff --git a/arch/sparc/include/asm/floppy_32.h b/arch/sparc/include/asm/floppy_32.h index 482c79e2a416..7440915e86d8 100644 --- a/arch/sparc/include/asm/floppy_32.h +++ b/arch/sparc/include/asm/floppy_32.h @@ -138,7 +138,7 @@ static unsigned char sun_82072_fd_inb(int port) return sun_fdc->data_82072; case 7: /* FD_DIR */ return sun_read_dir(); - }; + } panic("sun_82072_fd_inb: How did I get here?"); } @@ -161,7 +161,7 @@ static void sun_82072_fd_outb(unsigned char value, int port) case 4: /* FD_STATUS */ sun_fdc->status_82072 = value; break; - }; + } return; } @@ -186,7 +186,7 @@ static unsigned char sun_82077_fd_inb(int port) return sun_fdc->data_82077; case 7: /* FD_DIR */ return sun_read_dir(); - }; + } panic("sun_82077_fd_inb: How did I get here?"); } @@ -212,7 +212,7 @@ static void sun_82077_fd_outb(unsigned char value, int port) case 3: /* FD_TDR */ sun_fdc->tapectl_82077 = value; break; - }; + } return; } diff --git a/arch/sparc/include/asm/floppy_64.h b/arch/sparc/include/asm/floppy_64.h index 6597ce874d78..bcef1f5a2a6d 100644 --- a/arch/sparc/include/asm/floppy_64.h +++ b/arch/sparc/include/asm/floppy_64.h @@ -111,7 +111,7 @@ static unsigned char sun_82077_fd_inb(unsigned long port) case 7: /* FD_DIR */ /* XXX: Is DCL on 0x80 in sun4m? */ return sbus_readb(&sun_fdc->dir_82077); - }; + } panic("sun_82072_fd_inb: How did I get here?"); } @@ -135,7 +135,7 @@ static void sun_82077_fd_outb(unsigned char value, unsigned long port) case 4: /* FD_STATUS */ sbus_writeb(value, &sun_fdc->status_82077); break; - }; + } return; } diff --git a/arch/sparc/include/asm/leon.h b/arch/sparc/include/asm/leon.h index 6bdaf1e43d2a..a4e457f003ed 100644 --- a/arch/sparc/include/asm/leon.h +++ b/arch/sparc/include/asm/leon.h @@ -318,6 +318,9 @@ struct device_node; extern unsigned int leon_build_device_irq(unsigned int real_irq, irq_flow_handler_t flow_handler, const char *name, int do_ack); +extern void leon_update_virq_handling(unsigned int virq, + irq_flow_handler_t flow_handler, + const char *name, int do_ack); extern void leon_clear_clock_irq(void); extern void leon_load_profile_irq(int cpu, unsigned int limit); extern void leon_init_timers(irq_handler_t counter_fn); diff --git a/arch/sparc/include/asm/leon_pci.h b/arch/sparc/include/asm/leon_pci.h new file mode 100644 index 000000000000..42b4b31a82fe --- /dev/null +++ b/arch/sparc/include/asm/leon_pci.h @@ -0,0 +1,21 @@ +/* + * asm/leon_pci.h + * + * Copyright (C) 2011 Aeroflex Gaisler AB, Daniel Hellstrom + */ + +#ifndef _ASM_LEON_PCI_H_ +#define _ASM_LEON_PCI_H_ + +/* PCI related definitions */ +struct leon_pci_info { + struct pci_ops *ops; + struct resource io_space; + struct resource mem_space; + int (*map_irq)(struct pci_dev *dev, u8 slot, u8 pin); +}; + +extern void leon_pci_init(struct platform_device *ofdev, + struct leon_pci_info *info); + +#endif /* _ASM_LEON_PCI_H_ */ diff --git a/arch/sparc/include/asm/pci_32.h b/arch/sparc/include/asm/pci_32.h index 332ac9ab36bc..862e3ce92b15 100644 --- a/arch/sparc/include/asm/pci_32.h +++ b/arch/sparc/include/asm/pci_32.h @@ -47,7 +47,31 @@ extern struct device_node *pci_device_to_OF_node(struct pci_dev *pdev); #endif /* __KERNEL__ */ +#ifndef CONFIG_LEON_PCI /* generic pci stuff */ #include <asm-generic/pci.h> +#else +/* + * On LEON PCI Memory space is mapped 1:1 with physical address space. + * + * I/O space is located at low 64Kbytes in PCI I/O space. The I/O addresses + * are converted into CPU addresses to virtual addresses that are mapped with + * MMU to the PCI Host PCI I/O space window which are translated to the low + * 64Kbytes by the Host controller. + */ + +extern void +pcibios_resource_to_bus(struct pci_dev *dev, struct pci_bus_region *region, + struct resource *res); + +extern void +pcibios_bus_to_resource(struct pci_dev *dev, struct resource *res, + struct pci_bus_region *region); + +static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel) +{ + return PCI_IRQ_NONE; +} +#endif #endif /* __SPARC_PCI_H */ diff --git a/arch/sparc/include/asm/pcic.h b/arch/sparc/include/asm/pcic.h index 7eb5d78f5211..6676cbcc8b6a 100644 --- a/arch/sparc/include/asm/pcic.h +++ b/arch/sparc/include/asm/pcic.h @@ -29,7 +29,7 @@ struct linux_pcic { int pcic_imdim; }; -#ifdef CONFIG_PCI +#ifdef CONFIG_PCIC_PCI extern int pcic_present(void); extern int pcic_probe(void); extern void pci_time_init(void); diff --git a/arch/sparc/include/asm/system_32.h b/arch/sparc/include/asm/system_32.h index 47a7e862474e..aba16092a81b 100644 --- a/arch/sparc/include/asm/system_32.h +++ b/arch/sparc/include/asm/system_32.h @@ -220,7 +220,7 @@ static inline unsigned long __xchg(unsigned long x, __volatile__ void * ptr, int switch (size) { case 4: return xchg_u32(ptr, x); - }; + } __xchg_called_with_bad_pointer(); return x; } diff --git a/arch/sparc/include/asm/system_64.h b/arch/sparc/include/asm/system_64.h index 3c96d3bb9f15..10bcabce97b2 100644 --- a/arch/sparc/include/asm/system_64.h +++ b/arch/sparc/include/asm/system_64.h @@ -234,7 +234,7 @@ static inline unsigned long __xchg(unsigned long x, __volatile__ void * ptr, return xchg32(ptr, x); case 8: return xchg64(ptr, x); - }; + } __xchg_called_with_bad_pointer(); return x; } diff --git a/arch/sparc/kernel/Makefile b/arch/sparc/kernel/Makefile index 9cff2709a96d..b90b4a1d070a 100644 --- a/arch/sparc/kernel/Makefile +++ b/arch/sparc/kernel/Makefile @@ -73,7 +73,9 @@ obj-$(CONFIG_SPARC64_SMP) += cpumap.o obj-y += dma.o -obj-$(CONFIG_SPARC32_PCI) += pcic.o +obj-$(CONFIG_PCIC_PCI) += pcic.o +obj-$(CONFIG_LEON_PCI) += leon_pci.o +obj-$(CONFIG_GRPCI2) += leon_pci_grpci2.o obj-$(CONFIG_SMP) += trampoline_$(BITS).o smp_$(BITS).o obj-$(CONFIG_SPARC32_SMP) += sun4m_smp.o sun4d_smp.o leon_smp.o diff --git a/arch/sparc/kernel/apc.c b/arch/sparc/kernel/apc.c index 1e34f29e58bb..caef9deb5866 100644 --- a/arch/sparc/kernel/apc.c +++ b/arch/sparc/kernel/apc.c @@ -123,7 +123,7 @@ static long apc_ioctl(struct file *f, unsigned int cmd, unsigned long __arg) default: return -EINVAL; - }; + } return 0; } diff --git a/arch/sparc/kernel/auxio_32.c b/arch/sparc/kernel/auxio_32.c index 8505e0ac78ba..acf5151f3c1d 100644 --- a/arch/sparc/kernel/auxio_32.c +++ b/arch/sparc/kernel/auxio_32.c @@ -101,7 +101,7 @@ void set_auxio(unsigned char bits_on, unsigned char bits_off) break; default: panic("Can't set AUXIO register on this machine."); - }; + } spin_unlock_irqrestore(&auxio_lock, flags); } EXPORT_SYMBOL(set_auxio); diff --git a/arch/sparc/kernel/chmc.c b/arch/sparc/kernel/chmc.c index 668c7be5d365..5f450260981d 100644 --- a/arch/sparc/kernel/chmc.c +++ b/arch/sparc/kernel/chmc.c @@ -664,7 +664,7 @@ static void chmc_interpret_one_decode_reg(struct chmc *p, int which_bank, u64 va case 0x0: bp->interleave = 16; break; - }; + } /* UK[10] is reserved, and UK[11] is not set for the SDRAM * bank size definition. diff --git a/arch/sparc/kernel/entry.S b/arch/sparc/kernel/entry.S index 8341963f4c84..9fe08a1ea6c6 100644 --- a/arch/sparc/kernel/entry.S +++ b/arch/sparc/kernel/entry.S @@ -229,7 +229,7 @@ real_irq_entry: #ifdef CONFIG_SMP .globl patchme_maybe_smp_msg - cmp %l7, 12 + cmp %l7, 11 patchme_maybe_smp_msg: bgu maybe_smp4m_msg nop @@ -293,7 +293,7 @@ maybe_smp4m_msg: WRITE_PAUSE wr %l4, PSR_ET, %psr WRITE_PAUSE - sll %o2, 28, %o2 ! shift for simpler checks below + sll %o3, 28, %o2 ! shift for simpler checks below maybe_smp4m_msg_check_single: andcc %o2, 0x1, %g0 beq,a maybe_smp4m_msg_check_mask @@ -1604,7 +1604,7 @@ restore_current: retl nop -#ifdef CONFIG_PCI +#ifdef CONFIG_PCIC_PCI #include <asm/pcic.h> .align 4 @@ -1650,7 +1650,7 @@ pcic_nmi_trap_patch: rd %psr, %l0 .word 0 -#endif /* CONFIG_PCI */ +#endif /* CONFIG_PCIC_PCI */ .globl flushw_all flushw_all: diff --git a/arch/sparc/kernel/leon_kernel.c b/arch/sparc/kernel/leon_kernel.c index 2f538ac2e139..d17255a2bbac 100644 --- a/arch/sparc/kernel/leon_kernel.c +++ b/arch/sparc/kernel/leon_kernel.c @@ -236,6 +236,21 @@ static unsigned int _leon_build_device_irq(struct platform_device *op, return leon_build_device_irq(real_irq, handle_simple_irq, "edge", 0); } +void leon_update_virq_handling(unsigned int virq, + irq_flow_handler_t flow_handler, + const char *name, int do_ack) +{ + unsigned long mask = (unsigned long)irq_get_chip_data(virq); + + mask &= ~LEON_DO_ACK_HW; + if (do_ack) + mask |= LEON_DO_ACK_HW; + + irq_set_chip_and_handler_name(virq, &leon_irq, + flow_handler, name); + irq_set_chip_data(virq, (void *)mask); +} + void __init leon_init_timers(irq_handler_t counter_fn) { int irq, eirq; @@ -361,6 +376,22 @@ void __init leon_init_timers(irq_handler_t counter_fn) prom_halt(); } +#ifdef CONFIG_SMP + { + unsigned long flags; + + /* + * In SMP, sun4m adds a IPI handler to IRQ trap handler that + * LEON never must take, sun4d and LEON overwrites the branch + * with a NOP. + */ + local_irq_save(flags); + patchme_maybe_smp_msg[0] = 0x01000000; /* NOP out the branch */ + local_flush_cache_all(); + local_irq_restore(flags); + } +#endif + LEON3_BYPASS_STORE_PA(&leon3_gptimer_regs->e[leon3_gptimer_idx].ctrl, LEON3_GPTIMER_EN | LEON3_GPTIMER_RL | diff --git a/arch/sparc/kernel/leon_pci.c b/arch/sparc/kernel/leon_pci.c new file mode 100644 index 000000000000..a8a9a275037d --- /dev/null +++ b/arch/sparc/kernel/leon_pci.c @@ -0,0 +1,253 @@ +/* + * leon_pci.c: LEON Host PCI support + * + * Copyright (C) 2011 Aeroflex Gaisler AB, Daniel Hellstrom + * + * Code is partially derived from pcic.c + */ + +#include <linux/of_device.h> +#include <linux/kernel.h> +#include <linux/pci.h> +#include <asm/leon.h> +#include <asm/leon_pci.h> + +/* The LEON architecture does not rely on a BIOS or bootloader to setup + * PCI for us. The Linux generic routines are used to setup resources, + * reset values of confuration-space registers settings ae preseved. + */ +void leon_pci_init(struct platform_device *ofdev, struct leon_pci_info *info) +{ + struct pci_bus *root_bus; + + root_bus = pci_scan_bus_parented(&ofdev->dev, 0, info->ops, info); + if (root_bus) { + root_bus->resource[0] = &info->io_space; + root_bus->resource[1] = &info->mem_space; + root_bus->resource[2] = NULL; + + /* Init all PCI devices into PCI tree */ + pci_bus_add_devices(root_bus); + + /* Setup IRQs of all devices using custom routines */ + pci_fixup_irqs(pci_common_swizzle, info->map_irq); + + /* Assign devices with resources */ + pci_assign_unassigned_resources(); + } +} + +/* PCI Memory and Prefetchable Memory is direct-mapped. However I/O Space is + * accessed through a Window which is translated to low 64KB in PCI space, the + * first 4KB is not used so 60KB is available. + * + * This function is used by generic code to translate resource addresses into + * PCI addresses. + */ +void pcibios_resource_to_bus(struct pci_dev *dev, struct pci_bus_region *region, + struct resource *res) +{ + struct leon_pci_info *info = dev->bus->sysdata; + + region->start = res->start; + region->end = res->end; + + if (res->flags & IORESOURCE_IO) { + region->start -= (info->io_space.start - 0x1000); + region->end -= (info->io_space.start - 0x1000); + } +} +EXPORT_SYMBOL(pcibios_resource_to_bus); + +/* see pcibios_resource_to_bus() comment */ +void pcibios_bus_to_resource(struct pci_dev *dev, struct resource *res, + struct pci_bus_region *region) +{ + struct leon_pci_info *info = dev->bus->sysdata; + + res->start = region->start; + res->end = region->end; + + if (res->flags & IORESOURCE_IO) { + res->start += (info->io_space.start - 0x1000); + res->end += (info->io_space.start - 0x1000); + } +} +EXPORT_SYMBOL(pcibios_bus_to_resource); + +void __devinit pcibios_fixup_bus(struct pci_bus *pbus) +{ + struct leon_pci_info *info = pbus->sysdata; + struct pci_dev *dev; + int i, has_io, has_mem; + u16 cmd; + + /* Generic PCI bus probing sets these to point at + * &io{port,mem}_resouce which is wrong for us. + */ + if (pbus->self == NULL) { + pbus->resource[0] = &info->io_space; + pbus->resource[1] = &info->mem_space; + pbus->resource[2] = NULL; + } + + list_for_each_entry(dev, &pbus->devices, bus_list) { + /* + * We can not rely on that the bootloader has enabled I/O + * or memory access to PCI devices. Instead we enable it here + * if the device has BARs of respective type. + */ + has_io = has_mem = 0; + for (i = 0; i < PCI_ROM_RESOURCE; i++) { + unsigned long f = dev->resource[i].flags; + if (f & IORESOURCE_IO) + has_io = 1; + else if (f & IORESOURCE_MEM) + has_mem = 1; + } + /* ROM BARs are mapped into 32-bit memory space */ + if (dev->resource[PCI_ROM_RESOURCE].end != 0) { + dev->resource[PCI_ROM_RESOURCE].flags |= + IORESOURCE_ROM_ENABLE; + has_mem = 1; + } + pci_bus_read_config_word(pbus, dev->devfn, PCI_COMMAND, &cmd); + if (has_io && !(cmd & PCI_COMMAND_IO)) { +#ifdef CONFIG_PCI_DEBUG + printk(KERN_INFO "LEONPCI: Enabling I/O for dev %s\n", + pci_name(dev)); +#endif + cmd |= PCI_COMMAND_IO; + pci_bus_write_config_word(pbus, dev->devfn, PCI_COMMAND, + cmd); + } + if (has_mem && !(cmd & PCI_COMMAND_MEMORY)) { +#ifdef CONFIG_PCI_DEBUG + printk(KERN_INFO "LEONPCI: Enabling MEMORY for dev" + "%s\n", pci_name(dev)); +#endif + cmd |= PCI_COMMAND_MEMORY; + pci_bus_write_config_word(pbus, dev->devfn, PCI_COMMAND, + cmd); + } + } +} + +/* + * Other archs parse arguments here. + */ +char * __devinit pcibios_setup(char *str) +{ + return str; +} + +resource_size_t pcibios_align_resource(void *data, const struct resource *res, + resource_size_t size, resource_size_t align) +{ + return res->start; +} + +int pcibios_enable_device(struct pci_dev *dev, int mask) +{ + return pci_enable_resources(dev, mask); +} + +struct device_node *pci_device_to_OF_node(struct pci_dev *pdev) +{ + /* + * Currently the OpenBoot nodes are not connected with the PCI device, + * this is because the LEON PROM does not create PCI nodes. Eventually + * this will change and the same approach as pcic.c can be used to + * match PROM nodes with pci devices. + */ + return NULL; +} +EXPORT_SYMBOL(pci_device_to_OF_node); + +void __devinit pcibios_update_irq(struct pci_dev *dev, int irq) +{ +#ifdef CONFIG_PCI_DEBUG + printk(KERN_DEBUG "LEONPCI: Assigning IRQ %02d to %s\n", irq, + pci_name(dev)); +#endif + pci_write_config_byte(dev, PCI_INTERRUPT_LINE, irq); +} + +/* in/out routines taken from pcic.c + * + * This probably belongs here rather than ioport.c because + * we do not want this crud linked into SBus kernels. + * Also, think for a moment about likes of floppy.c that + * include architecture specific parts. They may want to redefine ins/outs. + * + * We do not use horrible macros here because we want to + * advance pointer by sizeof(size). + */ +void outsb(unsigned long addr, const void *src, unsigned long count) +{ + while (count) { + count -= 1; + outb(*(const char *)src, addr); + src += 1; + /* addr += 1; */ + } +} +EXPORT_SYMBOL(outsb); + +void outsw(unsigned long addr, const void *src, unsigned long count) +{ + while (count) { + count -= 2; + outw(*(const short *)src, addr); + src += 2; + /* addr += 2; */ + } +} +EXPORT_SYMBOL(outsw); + +void outsl(unsigned long addr, const void *src, unsigned long count) +{ + while (count) { + count -= 4; + outl(*(const long *)src, addr); + src += 4; + /* addr += 4; */ + } +} +EXPORT_SYMBOL(outsl); + +void insb(unsigned long addr, void *dst, unsigned long count) +{ + while (count) { + count -= 1; + *(unsigned char *)dst = inb(addr); + dst += 1; + /* addr += 1; */ + } +} +EXPORT_SYMBOL(insb); + +void insw(unsigned long addr, void *dst, unsigned long count) +{ + while (count) { + count -= 2; + *(unsigned short *)dst = inw(addr); + dst += 2; + /* addr += 2; */ + } +} +EXPORT_SYMBOL(insw); + +void insl(unsigned long addr, void *dst, unsigned long count) +{ + while (count) { + count -= 4; + /* + * XXX I am sure we are in for an unaligned trap here. + */ + *(unsigned long *)dst = inl(addr); + dst += 4; + /* addr += 4; */ + } +} +EXPORT_SYMBOL(insl); diff --git a/arch/sparc/kernel/leon_pci_grpci2.c b/arch/sparc/kernel/leon_pci_grpci2.c new file mode 100644 index 000000000000..44dc093ee33a --- /dev/null +++ b/arch/sparc/kernel/leon_pci_grpci2.c @@ -0,0 +1,897 @@ +/* + * leon_pci_grpci2.c: GRPCI2 Host PCI driver + * + * Copyright (C) 2011 Aeroflex Gaisler AB, Daniel Hellstrom + * + */ + +#include <linux/of_device.h> +#include <linux/kernel.h> +#include <linux/pci.h> +#include <linux/delay.h> +#include <linux/module.h> +#include <asm/io.h> +#include <asm/leon.h> +#include <asm/vaddrs.h> +#include <asm/sections.h> +#include <asm/leon_pci.h> + +#include "irq.h" + +struct grpci2_barcfg { + unsigned long pciadr; /* PCI Space Address */ + unsigned long ahbadr; /* PCI Base address mapped to this AHB addr */ +}; + +/* Device Node Configuration options: + * - barcfgs : Custom Configuration of Host's 6 target BARs + * - irq_mask : Limit which PCI interrupts are enabled + * - do_reset : Force PCI Reset on startup + * + * barcfgs + * ======= + * + * Optional custom Target BAR configuration (see struct grpci2_barcfg). All + * addresses are physical. Array always contains 6 elements (len=2*4*6 bytes) + * + * -1 means not configured (let host driver do default setup). + * + * [i*2+0] = PCI Address of BAR[i] on target interface + * [i*2+1] = Accessing PCI address of BAR[i] result in this AMBA address + * + * + * irq_mask + * ======== + * + * Limit which PCI interrupts are enabled. 0=Disable, 1=Enable. By default + * all are enabled. Use this when PCI interrupt pins are floating on PCB. + * int, len=4. + * bit0 = PCI INTA# + * bit1 = PCI INTB# + * bit2 = PCI INTC# + * bit3 = PCI INTD# + * + * + * reset + * ===== + * + * Force PCI reset on startup. int, len=4 + */ + +/* Enable Debugging Configuration Space Access */ +#undef GRPCI2_DEBUG_CFGACCESS + +/* + * GRPCI2 APB Register MAP + */ +struct grpci2_regs { + unsigned int ctrl; /* 0x00 Control */ + unsigned int sts_cap; /* 0x04 Status / Capabilities */ + int res1; /* 0x08 */ + unsigned int io_map; /* 0x0C I/O Map address */ + unsigned int dma_ctrl; /* 0x10 DMA */ + unsigned int dma_bdbase; /* 0x14 DMA */ + int res2[2]; /* 0x18 */ + unsigned int bars[6]; /* 0x20 read-only PCI BARs */ + int res3[2]; /* 0x38 */ + unsigned int ahbmst_map[16]; /* 0x40 AHB->PCI Map per AHB Master */ + + /* PCI Trace Buffer Registers (OPTIONAL) */ + unsigned int t_ctrl; /* 0x80 */ + unsigned int t_cnt; /* 0x84 */ + unsigned int t_adpat; /* 0x88 */ + unsigned int t_admask; /* 0x8C */ + unsigned int t_sigpat; /* 0x90 */ + unsigned int t_sigmask; /* 0x94 */ + unsigned int t_adstate; /* 0x98 */ + unsigned int t_sigstate; /* 0x9C */ +}; + +#define REGLOAD(a) (be32_to_cpu(__raw_readl(&(a)))) +#define REGSTORE(a, v) (__raw_writel(cpu_to_be32(v), &(a))) + +#define CTRL_BUS_BIT 16 + +#define CTRL_RESET (1<<31) +#define CTRL_SI (1<<27) +#define CTRL_PE (1<<26) +#define CTRL_EI (1<<25) +#define CTRL_ER (1<<24) +#define CTRL_BUS (0xff<<CTRL_BUS_BIT) +#define CTRL_HOSTINT 0xf + +#define STS_HOST_BIT 31 +#define STS_MST_BIT 30 +#define STS_TAR_BIT 29 +#define STS_DMA_BIT 28 +#define STS_DI_BIT 27 +#define STS_HI_BIT 26 +#define STS_IRQMODE_BIT 24 +#define STS_TRACE_BIT 23 +#define STS_CFGERRVALID_BIT 20 +#define STS_CFGERR_BIT 19 +#define STS_INTTYPE_BIT 12 +#define STS_INTSTS_BIT 8 +#define STS_FDEPTH_BIT 2 +#define STS_FNUM_BIT 0 + +#define STS_HOST (1<<STS_HOST_BIT) +#define STS_MST (1<<STS_MST_BIT) +#define STS_TAR (1<<STS_TAR_BIT) +#define STS_DMA (1<<STS_DMA_BIT) +#define STS_DI (1<<STS_DI_BIT) +#define STS_HI (1<<STS_HI_BIT) +#define STS_IRQMODE (0x3<<STS_IRQMODE_BIT) +#define STS_TRACE (1<<STS_TRACE_BIT) +#define STS_CFGERRVALID (1<<STS_CFGERRVALID_BIT) +#define STS_CFGERR (1<<STS_CFGERR_BIT) +#define STS_INTTYPE (0x3f<<STS_INTTYPE_BIT) +#define STS_INTSTS (0xf<<STS_INTSTS_BIT) +#define STS_FDEPTH (0x7<<STS_FDEPTH_BIT) +#define STS_FNUM (0x3<<STS_FNUM_BIT) + +#define STS_ISYSERR (1<<17) +#define STS_IDMA (1<<16) +#define STS_IDMAERR (1<<15) +#define STS_IMSTABRT (1<<14) +#define STS_ITGTABRT (1<<13) +#define STS_IPARERR (1<<12) + +#define STS_ERR_IRQ (STS_ISYSERR | STS_IMSTABRT | STS_ITGTABRT | STS_IPARERR) + +struct grpci2_bd_chan { + unsigned int ctrl; /* 0x00 DMA Control */ + unsigned int nchan; /* 0x04 Next DMA Channel Address */ + unsigned int nbd; /* 0x08 Next Data Descriptor in chan */ + unsigned int res; /* 0x0C Reserved */ +}; + +#define BD_CHAN_EN 0x80000000 +#define BD_CHAN_TYPE 0x00300000 +#define BD_CHAN_BDCNT 0x0000ffff +#define BD_CHAN_EN_BIT 31 +#define BD_CHAN_TYPE_BIT 20 +#define BD_CHAN_BDCNT_BIT 0 + +struct grpci2_bd_data { + unsigned int ctrl; /* 0x00 DMA Data Control */ + unsigned int pci_adr; /* 0x04 PCI Start Address */ + unsigned int ahb_adr; /* 0x08 AHB Start address */ + unsigned int next; /* 0x0C Next Data Descriptor in chan */ +}; + +#define BD_DATA_EN 0x80000000 +#define BD_DATA_IE 0x40000000 +#define BD_DATA_DR 0x20000000 +#define BD_DATA_TYPE 0x00300000 +#define BD_DATA_ER 0x00080000 +#define BD_DATA_LEN 0x0000ffff +#define BD_DATA_EN_BIT 31 +#define BD_DATA_IE_BIT 30 +#define BD_DATA_DR_BIT 29 +#define BD_DATA_TYPE_BIT 20 +#define BD_DATA_ER_BIT 19 +#define BD_DATA_LEN_BIT 0 + +/* GRPCI2 Capability */ +struct grpci2_cap_first { + unsigned int ctrl; + unsigned int pci2ahb_map[6]; + unsigned int ext2ahb_map; + unsigned int io_map; + unsigned int pcibar_size[6]; +}; +#define CAP9_CTRL_OFS 0 +#define CAP9_BAR_OFS 0x4 +#define CAP9_IOMAP_OFS 0x20 +#define CAP9_BARSIZE_OFS 0x24 + +struct grpci2_priv { + struct leon_pci_info info; /* must be on top of this structure */ + struct grpci2_regs *regs; + char irq; + char irq_mode; /* IRQ Mode from CAPSTS REG */ + char bt_enabled; + char do_reset; + char irq_mask; + u32 pciid; /* PCI ID of Host */ + unsigned char irq_map[4]; + + /* Virtual IRQ numbers */ + unsigned int virq_err; + unsigned int virq_dma; + + /* AHB PCI Windows */ + unsigned long pci_area; /* MEMORY */ + unsigned long pci_area_end; + unsigned long pci_io; /* I/O */ + unsigned long pci_conf; /* CONFIGURATION */ + unsigned long pci_conf_end; + unsigned long pci_io_va; + + struct grpci2_barcfg tgtbars[6]; +}; + +DEFINE_SPINLOCK(grpci2_dev_lock); +struct grpci2_priv *grpci2priv; + +int grpci2_map_irq(struct pci_dev *dev, u8 slot, u8 pin) +{ + struct grpci2_priv *priv = dev->bus->sysdata; + int irq_group; + + /* Use default IRQ decoding on PCI BUS0 according slot numbering */ + irq_group = slot & 0x3; + pin = ((pin - 1) + irq_group) & 0x3; + + return priv->irq_map[pin]; +} + +static int grpci2_cfg_r32(struct grpci2_priv *priv, unsigned int bus, + unsigned int devfn, int where, u32 *val) +{ + unsigned int *pci_conf; + unsigned long flags; + u32 tmp; + + if (where & 0x3) + return -EINVAL; + + if (bus == 0 && PCI_SLOT(devfn) != 0) + devfn += (0x8 * 6); + + /* Select bus */ + spin_lock_irqsave(&grpci2_dev_lock, flags); + REGSTORE(priv->regs->ctrl, (REGLOAD(priv->regs->ctrl) & ~(0xff << 16)) | + (bus << 16)); + spin_unlock_irqrestore(&grpci2_dev_lock, flags); + + /* clear old status */ + REGSTORE(priv->regs->sts_cap, (STS_CFGERR | STS_CFGERRVALID)); + + pci_conf = (unsigned int *) (priv->pci_conf | + (devfn << 8) | (where & 0xfc)); + tmp = LEON3_BYPASS_LOAD_PA(pci_conf); + + /* Wait until GRPCI2 signals that CFG access is done, it should be + * done instantaneously unless a DMA operation is ongoing... + */ + while ((REGLOAD(priv->regs->sts_cap) & STS_CFGERRVALID) == 0) + ; + + if (REGLOAD(priv->regs->sts_cap) & STS_CFGERR) { + *val = 0xffffffff; + } else { + /* Bus always little endian (unaffected by byte-swapping) */ + *val = flip_dword(tmp); + } + + return 0; +} + +static int grpci2_cfg_r16(struct grpci2_priv *priv, unsigned int bus, + unsigned int devfn, int where, u32 *val) +{ + u32 v; + int ret; + + if (where & 0x1) + return -EINVAL; + ret = grpci2_cfg_r32(priv, bus, devfn, where & ~0x3, &v); + *val = 0xffff & (v >> (8 * (where & 0x3))); + return ret; +} + +static int grpci2_cfg_r8(struct grpci2_priv *priv, unsigned int bus, + unsigned int devfn, int where, u32 *val) +{ + u32 v; + int ret; + + ret = grpci2_cfg_r32(priv, bus, devfn, where & ~0x3, &v); + *val = 0xff & (v >> (8 * (where & 3))); + + return ret; +} + +static int grpci2_cfg_w32(struct grpci2_priv *priv, unsigned int bus, + unsigned int devfn, int where, u32 val) +{ + unsigned int *pci_conf; + unsigned long flags; + + if (where & 0x3) + return -EINVAL; + + if (bus == 0 && PCI_SLOT(devfn) != 0) + devfn += (0x8 * 6); + + /* Select bus */ + spin_lock_irqsave(&grpci2_dev_lock, flags); + REGSTORE(priv->regs->ctrl, (REGLOAD(priv->regs->ctrl) & ~(0xff << 16)) | + (bus << 16)); + spin_unlock_irqrestore(&grpci2_dev_lock, flags); + + /* clear old status */ + REGSTORE(priv->regs->sts_cap, (STS_CFGERR | STS_CFGERRVALID)); + + pci_conf = (unsigned int *) (priv->pci_conf | + (devfn << 8) | (where & 0xfc)); + LEON3_BYPASS_STORE_PA(pci_conf, flip_dword(val)); + + /* Wait until GRPCI2 signals that CFG access is done, it should be + * done instantaneously unless a DMA operation is ongoing... + */ + while ((REGLOAD(priv->regs->sts_cap) & STS_CFGERRVALID) == 0) + ; + + return 0; +} + +static int grpci2_cfg_w16(struct grpci2_priv *priv, unsigned int bus, + unsigned int devfn, int where, u32 val) +{ + int ret; + u32 v; + + if (where & 0x1) + return -EINVAL; + ret = grpci2_cfg_r32(priv, bus, devfn, where&~3, &v); + if (ret) + return ret; + v = (v & ~(0xffff << (8 * (where & 0x3)))) | + ((0xffff & val) << (8 * (where & 0x3))); + return grpci2_cfg_w32(priv, bus, devfn, where & ~0x3, v); +} + +static int grpci2_cfg_w8(struct grpci2_priv *priv, unsigned int bus, + unsigned int devfn, int where, u32 val) +{ + int ret; + u32 v; + + ret = grpci2_cfg_r32(priv, bus, devfn, where & ~0x3, &v); + if (ret != 0) + return ret; + v = (v & ~(0xff << (8 * (where & 0x3)))) | + ((0xff & val) << (8 * (where & 0x3))); + return grpci2_cfg_w32(priv, bus, devfn, where & ~0x3, v); +} + +/* Read from Configuration Space. When entering here the PCI layer has taken + * the pci_lock spinlock and IRQ is off. + */ +static int grpci2_read_config(struct pci_bus *bus, unsigned int devfn, + int where, int size, u32 *val) +{ + struct grpci2_priv *priv = grpci2priv; + unsigned int busno = bus->number; + int ret; + + if (PCI_SLOT(devfn) > 15 || (PCI_SLOT(devfn) == 0 && busno == 0)) { + *val = ~0; + return 0; + } + + switch (size) { + case 1: + ret = grpci2_cfg_r8(priv, busno, devfn, where, val); + break; + case 2: + ret = grpci2_cfg_r16(priv, busno, devfn, where, val); + break; + case 4: + ret = grpci2_cfg_r32(priv, busno, devfn, where, val); + break; + default: + ret = -EINVAL; + break; + } + +#ifdef GRPCI2_DEBUG_CFGACCESS + printk(KERN_INFO "grpci2_read_config: [%02x:%02x:%x] ofs=%d val=%x " + "size=%d\n", busno, PCI_SLOT(devfn), PCI_FUNC(devfn), where, + *val, size); +#endif + + return ret; +} + +/* Write to Configuration Space. When entering here the PCI layer has taken + * the pci_lock spinlock and IRQ is off. + */ +static int grpci2_write_config(struct pci_bus *bus, unsigned int devfn, + int where, int size, u32 val) +{ + struct grpci2_priv *priv = grpci2priv; + unsigned int busno = bus->number; + + if (PCI_SLOT(devfn) > 15 || (PCI_SLOT(devfn) == 0 && busno == 0)) + return 0; + +#ifdef GRPCI2_DEBUG_CFGACCESS + printk(KERN_INFO "grpci2_write_config: [%02x:%02x:%x] ofs=%d size=%d " + "val=%x\n", busno, PCI_SLOT(devfn), PCI_FUNC(devfn), + where, size, val); +#endif + + switch (size) { + default: + return -EINVAL; + case 1: + return grpci2_cfg_w8(priv, busno, devfn, where, val); + case 2: + return grpci2_cfg_w16(priv, busno, devfn, where, val); + case 4: + return grpci2_cfg_w32(priv, busno, devfn, where, val); + } +} + +static struct pci_ops grpci2_ops = { + .read = grpci2_read_config, + .write = grpci2_write_config, +}; + +/* GENIRQ IRQ chip implementation for GRPCI2 irqmode=0..2. In configuration + * 3 where all PCI Interrupts has a separate IRQ on the system IRQ controller + * this is not needed and the standard IRQ controller can be used. + */ + +static void grpci2_mask_irq(struct irq_data *data) +{ + unsigned long flags; + unsigned int irqidx; + struct grpci2_priv *priv = grpci2priv; + + irqidx = (unsigned int)data->chip_data - 1; + if (irqidx > 3) /* only mask PCI interrupts here */ + return; + + spin_lock_irqsave(&grpci2_dev_lock, flags); + REGSTORE(priv->regs->ctrl, REGLOAD(priv->regs->ctrl) & ~(1 << irqidx)); + spin_unlock_irqrestore(&grpci2_dev_lock, flags); +} + +static void grpci2_unmask_irq(struct irq_data *data) +{ + unsigned long flags; + unsigned int irqidx; + struct grpci2_priv *priv = grpci2priv; + + irqidx = (unsigned int)data->chip_data - 1; + if (irqidx > 3) /* only unmask PCI interrupts here */ + return; + + spin_lock_irqsave(&grpci2_dev_lock, flags); + REGSTORE(priv->regs->ctrl, REGLOAD(priv->regs->ctrl) | (1 << irqidx)); + spin_unlock_irqrestore(&grpci2_dev_lock, flags); +} + +static unsigned int grpci2_startup_irq(struct irq_data *data) +{ + grpci2_unmask_irq(data); + return 0; +} + +static void grpci2_shutdown_irq(struct irq_data *data) +{ + grpci2_mask_irq(data); +} + +static struct irq_chip grpci2_irq = { + .name = "grpci2", + .irq_startup = grpci2_startup_irq, + .irq_shutdown = grpci2_shutdown_irq, + .irq_mask = grpci2_mask_irq, + .irq_unmask = grpci2_unmask_irq, +}; + +/* Handle one or multiple IRQs from the PCI core */ +static void grpci2_pci_flow_irq(unsigned int irq, struct irq_desc *desc) +{ + struct grpci2_priv *priv = grpci2priv; + int i, ack = 0; + unsigned int ctrl, sts_cap, pci_ints; + + ctrl = REGLOAD(priv->regs->ctrl); + sts_cap = REGLOAD(priv->regs->sts_cap); + + /* Error Interrupt? */ + if (sts_cap & STS_ERR_IRQ) { + generic_handle_irq(priv->virq_err); + ack = 1; + } + + /* PCI Interrupt? */ + pci_ints = ((~sts_cap) >> STS_INTSTS_BIT) & ctrl & CTRL_HOSTINT; + if (pci_ints) { + /* Call respective PCI Interrupt handler */ + for (i = 0; i < 4; i++) { + if (pci_ints & (1 << i)) + generic_handle_irq(priv->irq_map[i]); + } + ack = 1; + } + + /* + * Decode DMA Interrupt only when shared with Err and PCI INTX#, when + * the DMA is a unique IRQ the DMA interrupts doesn't end up here, they + * goes directly to DMA ISR. + */ + if ((priv->irq_mode == 0) && (sts_cap & (STS_IDMA | STS_IDMAERR))) { + generic_handle_irq(priv->virq_dma); + ack = 1; + } + + /* + * Call "first level" IRQ chip end-of-irq handler. It will ACK LEON IRQ + * Controller, this must be done after IRQ sources have been handled to + * avoid double IRQ generation + */ + if (ack) + desc->irq_data.chip->irq_eoi(&desc->irq_data); +} + +/* Create a virtual IRQ */ +static unsigned int grpci2_build_device_irq(unsigned int irq) +{ + unsigned int virq = 0, pil; + + pil = 1 << 8; + virq = irq_alloc(irq, pil); + if (virq == 0) + goto out; + + irq_set_chip_and_handler_name(virq, &grpci2_irq, handle_simple_irq, + "pcilvl"); + irq_set_chip_data(virq, (void *)irq); + +out: + return virq; +} + +void grpci2_hw_init(struct grpci2_priv *priv) +{ + u32 ahbadr, pciadr, bar_sz, capptr, io_map, data; + struct grpci2_regs *regs = priv->regs; + int i; + struct grpci2_barcfg *barcfg = priv->tgtbars; + + /* Reset any earlier setup */ + if (priv->do_reset) { + printk(KERN_INFO "GRPCI2: Resetting PCI bus\n"); + REGSTORE(regs->ctrl, CTRL_RESET); + ssleep(1); /* Wait for boards to settle */ + } + REGSTORE(regs->ctrl, 0); + REGSTORE(regs->sts_cap, ~0); /* Clear Status */ + REGSTORE(regs->dma_ctrl, 0); + REGSTORE(regs->dma_bdbase, 0); + + /* Translate I/O accesses to 0, I/O Space always @ PCI low 64Kbytes */ + REGSTORE(regs->io_map, REGLOAD(regs->io_map) & 0x0000ffff); + + /* set 1:1 mapping between AHB -> PCI memory space, for all Masters + * Each AHB master has it's own mapping registers. Max 16 AHB masters. + */ + for (i = 0; i < 16; i++) + REGSTORE(regs->ahbmst_map[i], priv->pci_area); + + /* Get the GRPCI2 Host PCI ID */ + grpci2_cfg_r32(priv, 0, 0, PCI_VENDOR_ID, &priv->pciid); + + /* Get address to first (always defined) capability structure */ + grpci2_cfg_r8(priv, 0, 0, PCI_CAPABILITY_LIST, &capptr); + + /* Enable/Disable Byte twisting */ + grpci2_cfg_r32(priv, 0, 0, capptr+CAP9_IOMAP_OFS, &io_map); + io_map = (io_map & ~0x1) | (priv->bt_enabled ? 1 : 0); + grpci2_cfg_w32(priv, 0, 0, capptr+CAP9_IOMAP_OFS, io_map); + + /* Setup the Host's PCI Target BARs for other peripherals to access, + * and do DMA to the host's memory. The target BARs can be sized and + * enabled individually. + * + * User may set custom target BARs, but default is: + * The first BARs is used to map kernel low (DMA is part of normal + * region on sparc which is SRMMU_MAXMEM big) main memory 1:1 to the + * PCI bus, the other BARs are disabled. We assume that the first BAR + * is always available. + */ + for (i = 0; i < 6; i++) { + if (barcfg[i].pciadr != ~0 && barcfg[i].ahbadr != ~0) { + /* Target BARs must have the proper alignment */ + ahbadr = barcfg[i].ahbadr; + pciadr = barcfg[i].pciadr; + bar_sz = ((pciadr - 1) & ~pciadr) + 1; + } else { + if (i == 0) { + /* Map main memory */ + bar_sz = 0xf0000008; /* 256MB prefetchable */ + ahbadr = 0xf0000000 & (u32)__pa(PAGE_ALIGN( + (unsigned long) &_end)); + pciadr = ahbadr; + } else { + bar_sz = 0; + ahbadr = 0; + pciadr = 0; + } + } + grpci2_cfg_w32(priv, 0, 0, capptr+CAP9_BARSIZE_OFS+i*4, bar_sz); + grpci2_cfg_w32(priv, 0, 0, PCI_BASE_ADDRESS_0+i*4, pciadr); + grpci2_cfg_w32(priv, 0, 0, capptr+CAP9_BAR_OFS+i*4, ahbadr); + printk(KERN_INFO " TGT BAR[%d]: 0x%08x (PCI)-> 0x%08x\n", + i, pciadr, ahbadr); + } + + /* set as bus master and enable pci memory responses */ + grpci2_cfg_r32(priv, 0, 0, PCI_COMMAND, &data); + data |= (PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER); + grpci2_cfg_w32(priv, 0, 0, PCI_COMMAND, data); + + /* Enable Error respone (CPU-TRAP) on illegal memory access. */ + REGSTORE(regs->ctrl, CTRL_ER | CTRL_PE); +} + +static irqreturn_t grpci2_jump_interrupt(int irq, void *arg) +{ + printk(KERN_ERR "GRPCI2: Jump IRQ happened\n"); + return IRQ_NONE; +} + +/* Handle GRPCI2 Error Interrupt */ +static irqreturn_t grpci2_err_interrupt(int irq, void *arg) +{ + struct grpci2_priv *priv = arg; + struct grpci2_regs *regs = priv->regs; + unsigned int status; + + status = REGLOAD(regs->sts_cap); + if ((status & STS_ERR_IRQ) == 0) + return IRQ_NONE; + + if (status & STS_IPARERR) + printk(KERN_ERR "GRPCI2: Parity Error\n"); + + if (status & STS_ITGTABRT) + printk(KERN_ERR "GRPCI2: Target Abort\n"); + + if (status & STS_IMSTABRT) + printk(KERN_ERR "GRPCI2: Master Abort\n"); + + if (status & STS_ISYSERR) + printk(KERN_ERR "GRPCI2: System Error\n"); + + /* Clear handled INT TYPE IRQs */ + REGSTORE(regs->sts_cap, status & STS_ERR_IRQ); + + return IRQ_HANDLED; +} + +static int __devinit grpci2_of_probe(struct platform_device *ofdev) +{ + struct grpci2_regs *regs; + struct grpci2_priv *priv; + int err, i, len; + const int *tmp; + unsigned int capability; + + if (grpci2priv) { + printk(KERN_ERR "GRPCI2: only one GRPCI2 core supported\n"); + return -ENODEV; + } + + if (ofdev->num_resources < 3) { + printk(KERN_ERR "GRPCI2: not enough APB/AHB resources\n"); + return -EIO; + } + + /* Find Device Address */ + regs = of_ioremap(&ofdev->resource[0], 0, + resource_size(&ofdev->resource[0]), + "grlib-grpci2 regs"); + if (regs == NULL) { + printk(KERN_ERR "GRPCI2: ioremap failed\n"); + return -EIO; + } + + /* + * Check that we're in Host Slot and that we can act as a Host Bridge + * and not only as target. + */ + capability = REGLOAD(regs->sts_cap); + if ((capability & STS_HOST) || !(capability & STS_MST)) { + printk(KERN_INFO "GRPCI2: not in host system slot\n"); + err = -EIO; + goto err1; + } + + priv = grpci2priv = kzalloc(sizeof(struct grpci2_priv), GFP_KERNEL); + if (grpci2priv == NULL) { + err = -ENOMEM; + goto err1; + } + memset(grpci2priv, 0, sizeof(*grpci2priv)); + priv->regs = regs; + priv->irq = ofdev->archdata.irqs[0]; /* BASE IRQ */ + priv->irq_mode = (capability & STS_IRQMODE) >> STS_IRQMODE_BIT; + + printk(KERN_INFO "GRPCI2: host found at %p, irq%d\n", regs, priv->irq); + + /* Byte twisting should be made configurable from kernel command line */ + priv->bt_enabled = 1; + + /* Let user do custom Target BAR assignment */ + tmp = of_get_property(ofdev->dev.of_node, "barcfg", &len); + if (tmp && (len == 2*4*6)) + memcpy(priv->tgtbars, tmp, 2*4*6); + else + memset(priv->tgtbars, -1, 2*4*6); + + /* Limit IRQ unmasking in irq_mode 2 and 3 */ + tmp = of_get_property(ofdev->dev.of_node, "irq_mask", &len); + if (tmp && (len == 4)) + priv->do_reset = *tmp; + else + priv->irq_mask = 0xf; + + /* Optional PCI reset. Force PCI reset on startup */ + tmp = of_get_property(ofdev->dev.of_node, "reset", &len); + if (tmp && (len == 4)) + priv->do_reset = *tmp; + else + priv->do_reset = 0; + + /* Find PCI Memory, I/O and Configuration Space Windows */ + priv->pci_area = ofdev->resource[1].start; + priv->pci_area_end = ofdev->resource[1].end+1; + priv->pci_io = ofdev->resource[2].start; + priv->pci_conf = ofdev->resource[2].start + 0x10000; + priv->pci_conf_end = priv->pci_conf + 0x10000; + priv->pci_io_va = (unsigned long)ioremap(priv->pci_io, 0x10000); + if (!priv->pci_io_va) { + err = -EIO; + goto err2; + } + + printk(KERN_INFO + "GRPCI2: MEMORY SPACE [0x%08lx - 0x%08lx]\n" + " I/O SPACE [0x%08lx - 0x%08lx]\n" + " CONFIG SPACE [0x%08lx - 0x%08lx]\n", + priv->pci_area, priv->pci_area_end-1, + priv->pci_io, priv->pci_conf-1, + priv->pci_conf, priv->pci_conf_end-1); + + /* + * I/O Space resources in I/O Window mapped into Virtual Adr Space + * We never use low 4KB because some devices seem have problems using + * address 0. + */ + memset(&priv->info.io_space, 0, sizeof(struct resource)); + priv->info.io_space.name = "GRPCI2 PCI I/O Space"; + priv->info.io_space.start = priv->pci_io_va + 0x1000; + priv->info.io_space.end = priv->pci_io_va + 0x10000 - 1; + priv->info.io_space.flags = IORESOURCE_IO; + + /* + * GRPCI2 has no prefetchable memory, map everything as + * non-prefetchable memory + */ + memset(&priv->info.mem_space, 0, sizeof(struct resource)); + priv->info.mem_space.name = "GRPCI2 PCI MEM Space"; + priv->info.mem_space.start = priv->pci_area; + priv->info.mem_space.end = priv->pci_area_end - 1; + priv->info.mem_space.flags = IORESOURCE_MEM; + + if (request_resource(&iomem_resource, &priv->info.mem_space) < 0) + goto err3; + if (request_resource(&ioport_resource, &priv->info.io_space) < 0) + goto err4; + + grpci2_hw_init(priv); + + /* + * Get PCI Interrupt to System IRQ mapping and setup IRQ handling + * Error IRQ always on PCI INTA. + */ + if (priv->irq_mode < 2) { + /* All PCI interrupts are shared using the same system IRQ */ + leon_update_virq_handling(priv->irq, grpci2_pci_flow_irq, + "pcilvl", 0); + + priv->irq_map[0] = grpci2_build_device_irq(1); + priv->irq_map[1] = grpci2_build_device_irq(2); + priv->irq_map[2] = grpci2_build_device_irq(3); + priv->irq_map[3] = grpci2_build_device_irq(4); + + priv->virq_err = grpci2_build_device_irq(5); + if (priv->irq_mode & 1) + priv->virq_dma = ofdev->archdata.irqs[1]; + else + priv->virq_dma = grpci2_build_device_irq(6); + + /* Enable IRQs on LEON IRQ controller */ + err = request_irq(priv->irq, grpci2_jump_interrupt, 0, + "GRPCI2_JUMP", priv); + if (err) + printk(KERN_ERR "GRPCI2: ERR IRQ request failed\n"); + } else { + /* All PCI interrupts have an unique IRQ interrupt */ + for (i = 0; i < 4; i++) { + /* Make LEON IRQ layer handle level IRQ by acking */ + leon_update_virq_handling(ofdev->archdata.irqs[i], + handle_fasteoi_irq, "pcilvl", + 1); + priv->irq_map[i] = ofdev->archdata.irqs[i]; + } + priv->virq_err = priv->irq_map[0]; + if (priv->irq_mode & 1) + priv->virq_dma = ofdev->archdata.irqs[4]; + else + priv->virq_dma = priv->irq_map[0]; + + /* Unmask all PCI interrupts, request_irq will not do that */ + REGSTORE(regs->ctrl, REGLOAD(regs->ctrl)|(priv->irq_mask&0xf)); + } + + /* Setup IRQ handler for non-configuration space access errors */ + err = request_irq(priv->virq_err, grpci2_err_interrupt, IRQF_SHARED, + "GRPCI2_ERR", priv); + if (err) { + printk(KERN_DEBUG "GRPCI2: ERR VIRQ request failed: %d\n", err); + goto err5; + } + + /* + * Enable Error Interrupts. PCI interrupts are unmasked once request_irq + * is called by the PCI Device drivers + */ + REGSTORE(regs->ctrl, REGLOAD(regs->ctrl) | CTRL_EI | CTRL_SI); + + /* Init common layer and scan buses */ + priv->info.ops = &grpci2_ops; + priv->info.map_irq = grpci2_map_irq; + leon_pci_init(ofdev, &priv->info); + + return 0; + +err5: + release_resource(&priv->info.io_space); +err4: + release_resource(&priv->info.mem_space); +err3: + err = -ENOMEM; + iounmap((void *)priv->pci_io_va); +err2: + kfree(priv); +err1: + of_iounmap(&ofdev->resource[0], regs, + resource_size(&ofdev->resource[0])); + return err; +} + +static struct of_device_id grpci2_of_match[] = { + { + .name = "GAISLER_GRPCI2", + }, + { + .name = "01_07c", + }, + {}, +}; + +static struct platform_driver grpci2_of_driver = { + .driver = { + .name = "grpci2", + .owner = THIS_MODULE, + .of_match_table = grpci2_of_match, + }, + .probe = grpci2_of_probe, +}; + +static int __init grpci2_init(void) +{ + return platform_driver_register(&grpci2_of_driver); +} + +subsys_initcall(grpci2_init); diff --git a/arch/sparc/kernel/module.c b/arch/sparc/kernel/module.c index 8d348c474a2f..99ba5baa9497 100644 --- a/arch/sparc/kernel/module.c +++ b/arch/sparc/kernel/module.c @@ -214,7 +214,7 @@ int apply_relocate_add(Elf_Shdr *sechdrs, me->name, (int) (ELF_R_TYPE(rel[i].r_info) & 0xff)); return -ENOEXEC; - }; + } } return 0; } diff --git a/arch/sparc/kernel/pci_common.c b/arch/sparc/kernel/pci_common.c index 6e3874b64488..a6895987fb70 100644 --- a/arch/sparc/kernel/pci_common.c +++ b/arch/sparc/kernel/pci_common.c @@ -281,7 +281,7 @@ static int sun4v_read_pci_cfg(struct pci_bus *bus_dev, unsigned int devfn, case 4: *value = ret & 0xffffffff; break; - }; + } return PCIBIOS_SUCCESSFUL; @@ -456,7 +456,7 @@ void pci_determine_mem_io_space(struct pci_pbm_info *pbm) default: break; - }; + } } if (!saw_io || !saw_mem) { diff --git a/arch/sparc/kernel/pci_schizo.c b/arch/sparc/kernel/pci_schizo.c index 283fbc329a43..f030b02edddd 100644 --- a/arch/sparc/kernel/pci_schizo.c +++ b/arch/sparc/kernel/pci_schizo.c @@ -264,7 +264,7 @@ static void schizo_check_iommu_error_pbm(struct pci_pbm_info *pbm, default: type_string = "ECC Error"; break; - }; + } printk("%s: IOMMU Error, type[%s]\n", pbm->name, type_string); @@ -319,7 +319,7 @@ static void schizo_check_iommu_error_pbm(struct pci_pbm_info *pbm, default: type_string = "ECC Error"; break; - }; + } printk("%s: IOMMU TAG(%d)[error(%s) ctx(%x) wr(%d) str(%d) " "sz(%dK) vpg(%08lx)]\n", pbm->name, i, type_string, @@ -1328,7 +1328,7 @@ static int __devinit schizo_pbm_init(struct pci_pbm_info *pbm, default: chipset_name = "SCHIZO"; break; - }; + } /* For SCHIZO, three OBP regs: * 1) PBM controller regs diff --git a/arch/sparc/kernel/prom_irqtrans.c b/arch/sparc/kernel/prom_irqtrans.c index 570b98f6e897..40e4936bd479 100644 --- a/arch/sparc/kernel/prom_irqtrans.c +++ b/arch/sparc/kernel/prom_irqtrans.c @@ -694,7 +694,7 @@ static unsigned int sbus_of_build_irq(struct device_node *dp, case 3: iclr = reg_base + SYSIO_ICLR_SLOT3; break; - }; + } iclr += ((unsigned long)sbus_level - 1UL) * 8UL; } diff --git a/arch/sparc/kernel/psycho_common.c b/arch/sparc/kernel/psycho_common.c index fe2af66bb198..8db48e808ed4 100644 --- a/arch/sparc/kernel/psycho_common.c +++ b/arch/sparc/kernel/psycho_common.c @@ -228,7 +228,7 @@ void psycho_check_iommu_error(struct pci_pbm_info *pbm, default: type_str = "ECC Error"; break; - }; + } printk(KERN_ERR "%s: IOMMU Error, type[%s]\n", pbm->name, type_str); diff --git a/arch/sparc/kernel/sbus.c b/arch/sparc/kernel/sbus.c index 2ca32d13abcf..a161b9c77f05 100644 --- a/arch/sparc/kernel/sbus.c +++ b/arch/sparc/kernel/sbus.c @@ -97,7 +97,7 @@ void sbus_set_sbus64(struct device *dev, int bursts) default: return; - }; + } val = upa_readq(cfg_reg); if (val & (1UL << 14UL)) { @@ -244,7 +244,7 @@ static unsigned int sbus_build_irq(struct platform_device *op, unsigned int ino) case 3: iclr = reg_base + SYSIO_ICLR_SLOT3; break; - }; + } iclr += ((unsigned long)sbus_level - 1UL) * 8UL; } diff --git a/arch/sparc/kernel/setup_32.c b/arch/sparc/kernel/setup_32.c index 3249d3f3234d..d26e1f6c717a 100644 --- a/arch/sparc/kernel/setup_32.c +++ b/arch/sparc/kernel/setup_32.c @@ -267,7 +267,7 @@ void __init setup_arch(char **cmdline_p) default: printk("UNKNOWN!\n"); break; - }; + } #ifdef CONFIG_DUMMY_CONSOLE conswitchp = &dummy_con; diff --git a/arch/sparc/kernel/setup_64.c b/arch/sparc/kernel/setup_64.c index f3b6850cc8db..c4dd0999da86 100644 --- a/arch/sparc/kernel/setup_64.c +++ b/arch/sparc/kernel/setup_64.c @@ -209,7 +209,7 @@ void __init per_cpu_patch(void) default: prom_printf("Unknown cpu type, halting.\n"); prom_halt(); - }; + } *(unsigned int *) (addr + 0) = insns[0]; wmb(); diff --git a/arch/sparc/kernel/smp_32.c b/arch/sparc/kernel/smp_32.c index d5b3958be0b4..21b125341bf7 100644 --- a/arch/sparc/kernel/smp_32.c +++ b/arch/sparc/kernel/smp_32.c @@ -114,7 +114,7 @@ void __init smp_cpus_done(unsigned int max_cpus) printk("UNKNOWN!\n"); BUG(); break; - }; + } } void cpu_panic(void) @@ -374,7 +374,7 @@ void __init smp_prepare_cpus(unsigned int max_cpus) printk("UNKNOWN!\n"); BUG(); break; - }; + } } /* Set this up early so that things like the scheduler can init @@ -447,7 +447,7 @@ int __cpuinit __cpu_up(unsigned int cpu) printk("UNKNOWN!\n"); BUG(); break; - }; + } if (!ret) { cpumask_set_cpu(cpu, &smp_commenced_mask); diff --git a/arch/sparc/kernel/sun4d_irq.c b/arch/sparc/kernel/sun4d_irq.c index a9ea60eb2c10..1d13c5bda0b1 100644 --- a/arch/sparc/kernel/sun4d_irq.c +++ b/arch/sparc/kernel/sun4d_irq.c @@ -103,10 +103,9 @@ static void sun4d_sbus_handler_irq(int sbusl) sbil = (sbusl << 2); /* Loop for each pending SBI */ - for (sbino = 0; bus_mask; sbino++) { + for (sbino = 0; bus_mask; sbino++, bus_mask >>= 1) { unsigned int idx, mask; - bus_mask >>= 1; if (!(bus_mask & 1)) continue; /* XXX This seems to ACK the irq twice. acquire_sbi() @@ -118,19 +117,16 @@ static void sun4d_sbus_handler_irq(int sbusl) mask &= (0xf << sbil); /* Loop for each pending SBI slot */ - idx = 0; slot = (1 << sbil); - while (mask != 0) { + for (idx = 0; mask != 0; idx++, slot <<= 1) { unsigned int pil; struct irq_bucket *p; - idx++; - slot <<= 1; if (!(mask & slot)) continue; mask &= ~slot; - pil = sun4d_encode_irq(sbino, sbil, idx); + pil = sun4d_encode_irq(sbino, sbusl, idx); p = irq_map[pil]; while (p) { @@ -218,10 +214,10 @@ static void sun4d_unmask_irq(struct irq_data *data) #ifdef CONFIG_SMP spin_lock_irqsave(&sun4d_imsk_lock, flags); - cc_set_imsk_other(cpuid, cc_get_imsk_other(cpuid) | ~(1 << real_irq)); + cc_set_imsk_other(cpuid, cc_get_imsk_other(cpuid) & ~(1 << real_irq)); spin_unlock_irqrestore(&sun4d_imsk_lock, flags); #else - cc_set_imsk(cc_get_imsk() | ~(1 << real_irq)); + cc_set_imsk(cc_get_imsk() & ~(1 << real_irq)); #endif } @@ -299,26 +295,68 @@ static void __init sun4d_load_profile_irqs(void) } } +unsigned int _sun4d_build_device_irq(unsigned int real_irq, + unsigned int pil, + unsigned int board) +{ + struct sun4d_handler_data *handler_data; + unsigned int irq; + + irq = irq_alloc(real_irq, pil); + if (irq == 0) { + prom_printf("IRQ: allocate for %d %d %d failed\n", + real_irq, pil, board); + goto err_out; + } + + handler_data = irq_get_handler_data(irq); + if (unlikely(handler_data)) + goto err_out; + + handler_data = kzalloc(sizeof(struct sun4d_handler_data), GFP_ATOMIC); + if (unlikely(!handler_data)) { + prom_printf("IRQ: kzalloc(sun4d_handler_data) failed.\n"); + prom_halt(); + } + handler_data->cpuid = board_to_cpu[board]; + handler_data->real_irq = real_irq; + irq_set_chip_and_handler_name(irq, &sun4d_irq, + handle_level_irq, "level"); + irq_set_handler_data(irq, handler_data); + +err_out: + return irq; +} + + + unsigned int sun4d_build_device_irq(struct platform_device *op, unsigned int real_irq) { struct device_node *dp = op->dev.of_node; - struct device_node *io_unit, *sbi = dp->parent; + struct device_node *board_parent, *bus = dp->parent; + char *bus_connection; const struct linux_prom_registers *regs; - struct sun4d_handler_data *handler_data; unsigned int pil; unsigned int irq; int board, slot; int sbusl; - irq = 0; - while (sbi) { - if (!strcmp(sbi->name, "sbi")) + irq = real_irq; + while (bus) { + if (!strcmp(bus->name, "sbi")) { + bus_connection = "io-unit"; + break; + } + + if (!strcmp(bus->name, "bootbus")) { + bus_connection = "cpu-unit"; break; + } - sbi = sbi->parent; + bus = bus->parent; } - if (!sbi) + if (!bus) goto err_out; regs = of_get_property(dp, "reg", NULL); @@ -328,17 +366,19 @@ unsigned int sun4d_build_device_irq(struct platform_device *op, slot = regs->which_io; /* - * If SBI's parent is not io-unit or the io-unit lacks - * a "board#" property, something is very wrong. + * If Bus nodes parent is not io-unit/cpu-unit or the io-unit/cpu-unit + * lacks a "board#" property, something is very wrong. */ - if (!sbi->parent || strcmp(sbi->parent->name, "io-unit")) { - printk("%s: Error, parent is not io-unit.\n", sbi->full_name); + if (!bus->parent || strcmp(bus->parent->name, bus_connection)) { + printk(KERN_ERR "%s: Error, parent is not %s.\n", + bus->full_name, bus_connection); goto err_out; } - io_unit = sbi->parent; - board = of_getintprop_default(io_unit, "board#", -1); + board_parent = bus->parent; + board = of_getintprop_default(board_parent, "board#", -1); if (board == -1) { - printk("%s: Error, lacks board# property.\n", io_unit->full_name); + printk(KERN_ERR "%s: Error, lacks board# property.\n", + board_parent->full_name); goto err_out; } @@ -348,29 +388,17 @@ unsigned int sun4d_build_device_irq(struct platform_device *op, else pil = real_irq; - irq = irq_alloc(real_irq, pil); - if (irq == 0) - goto err_out; - - handler_data = irq_get_handler_data(irq); - if (unlikely(handler_data)) - goto err_out; - - handler_data = kzalloc(sizeof(struct sun4d_handler_data), GFP_ATOMIC); - if (unlikely(!handler_data)) { - prom_printf("IRQ: kzalloc(sun4d_handler_data) failed.\n"); - prom_halt(); - } - handler_data->cpuid = board_to_cpu[board]; - handler_data->real_irq = real_irq; - irq_set_chip_and_handler_name(irq, &sun4d_irq, - handle_level_irq, "level"); - irq_set_handler_data(irq, handler_data); - + irq = _sun4d_build_device_irq(real_irq, pil, board); err_out: - return real_irq; + return irq; } +unsigned int sun4d_build_timer_irq(unsigned int board, unsigned int real_irq) +{ + return _sun4d_build_device_irq(real_irq, real_irq, board); +} + + static void __init sun4d_fixup_trap_table(void) { #ifdef CONFIG_SMP @@ -402,6 +430,7 @@ static void __init sun4d_init_timers(irq_handler_t counter_fn) unsigned int irq; const u32 *reg; int err; + int board; dp = of_find_node_by_name(NULL, "cpu-unit"); if (!dp) { @@ -414,12 +443,19 @@ static void __init sun4d_init_timers(irq_handler_t counter_fn) * bootbus. */ reg = of_get_property(dp, "reg", NULL); - of_node_put(dp); if (!reg) { prom_printf("sun4d_init_timers: No reg property\n"); prom_halt(); } + board = of_getintprop_default(dp, "board#", -1); + if (board == -1) { + prom_printf("sun4d_init_timers: No board# property on cpu-unit\n"); + prom_halt(); + } + + of_node_put(dp); + res.start = reg[1]; res.end = reg[2] - 1; res.flags = reg[0] & 0xff; @@ -434,7 +470,7 @@ static void __init sun4d_init_timers(irq_handler_t counter_fn) master_l10_counter = &sun4d_timers->l10_cur_count; - irq = sun4d_build_device_irq(NULL, SUN4D_TIMER_IRQ); + irq = sun4d_build_timer_irq(board, SUN4D_TIMER_IRQ); err = request_irq(irq, counter_fn, IRQF_TIMER, "timer", NULL); if (err) { prom_printf("sun4d_init_timers: request_irq() failed with %d\n", diff --git a/arch/sparc/kernel/sys_sparc32.c b/arch/sparc/kernel/sys_sparc32.c index 6db18c6927fb..170cd8e8eb2a 100644 --- a/arch/sparc/kernel/sys_sparc32.c +++ b/arch/sparc/kernel/sys_sparc32.c @@ -109,7 +109,7 @@ asmlinkage long compat_sys_ipc(u32 call, u32 first, u32 second, u32 third, compa default: return -ENOSYS; - }; + } return -ENOSYS; } diff --git a/arch/sparc/kernel/sys_sparc_64.c b/arch/sparc/kernel/sys_sparc_64.c index 96082d30def0..908b47a5ee24 100644 --- a/arch/sparc/kernel/sys_sparc_64.c +++ b/arch/sparc/kernel/sys_sparc_64.c @@ -460,7 +460,7 @@ SYSCALL_DEFINE6(sparc_ipc, unsigned int, call, int, first, unsigned long, second default: err = -ENOSYS; goto out; - }; + } } if (call <= MSGCTL) { switch (call) { @@ -481,7 +481,7 @@ SYSCALL_DEFINE6(sparc_ipc, unsigned int, call, int, first, unsigned long, second default: err = -ENOSYS; goto out; - }; + } } if (call <= SHMCTL) { switch (call) { @@ -507,7 +507,7 @@ SYSCALL_DEFINE6(sparc_ipc, unsigned int, call, int, first, unsigned long, second default: err = -ENOSYS; goto out; - }; + } } else { err = -ENOSYS; } diff --git a/arch/sparc/kernel/time_64.c b/arch/sparc/kernel/time_64.c index 2b8d54b2d850..1db6b18964d2 100644 --- a/arch/sparc/kernel/time_64.c +++ b/arch/sparc/kernel/time_64.c @@ -708,7 +708,7 @@ static void sparc64_timer_setup(enum clock_event_mode mode, case CLOCK_EVT_MODE_UNUSED: WARN_ON(1); break; - }; + } } static struct clock_event_device sparc64_clockevent = { diff --git a/arch/sparc/kernel/traps_64.c b/arch/sparc/kernel/traps_64.c index 1ed547bd850f..0cbdaa41cd1e 100644 --- a/arch/sparc/kernel/traps_64.c +++ b/arch/sparc/kernel/traps_64.c @@ -1804,7 +1804,7 @@ static const char *sun4v_err_type_to_str(u32 type) return "warning resumable"; default: return "unknown"; - }; + } } static void sun4v_log_error(struct pt_regs *regs, struct sun4v_error_entry *ent, int cpu, const char *pfx, atomic_t *ocnt) diff --git a/arch/sparc/kernel/unaligned_64.c b/arch/sparc/kernel/unaligned_64.c index c752c4c479bd..b2b019ea8caa 100644 --- a/arch/sparc/kernel/unaligned_64.c +++ b/arch/sparc/kernel/unaligned_64.c @@ -211,7 +211,7 @@ static inline int do_int_store(int reg_num, int size, unsigned long *dst_addr, default: BUG(); break; - }; + } } return __do_int_store(dst_addr, size, src_val, asi); } @@ -328,7 +328,7 @@ asmlinkage void kernel_unaligned_trap(struct pt_regs *regs, unsigned int insn) case ASI_SNFL: asi &= ~0x08; break; - }; + } switch (dir) { case load: reg_addr = fetch_reg_addr(((insn>>25)&0x1f), regs); @@ -351,7 +351,7 @@ asmlinkage void kernel_unaligned_trap(struct pt_regs *regs, unsigned int insn) default: BUG(); break; - }; + } *reg_addr = val_in; } break; diff --git a/arch/sparc/kernel/us2e_cpufreq.c b/arch/sparc/kernel/us2e_cpufreq.c index 531d54fc9829..489fc15f3194 100644 --- a/arch/sparc/kernel/us2e_cpufreq.c +++ b/arch/sparc/kernel/us2e_cpufreq.c @@ -176,7 +176,7 @@ static unsigned long index_to_estar_mode(unsigned int index) default: BUG(); - }; + } } static unsigned long index_to_divisor(unsigned int index) @@ -199,7 +199,7 @@ static unsigned long index_to_divisor(unsigned int index) default: BUG(); - }; + } } static unsigned long estar_to_divisor(unsigned long estar) @@ -224,7 +224,7 @@ static unsigned long estar_to_divisor(unsigned long estar) break; default: BUG(); - }; + } return ret; } diff --git a/arch/sparc/kernel/us3_cpufreq.c b/arch/sparc/kernel/us3_cpufreq.c index 9a8ceb700833..eb1624b931d9 100644 --- a/arch/sparc/kernel/us3_cpufreq.c +++ b/arch/sparc/kernel/us3_cpufreq.c @@ -71,7 +71,7 @@ static unsigned long get_current_freq(unsigned int cpu, unsigned long safari_cfg break; default: BUG(); - }; + } return ret; } @@ -125,7 +125,7 @@ static void us3_set_cpu_divider_index(unsigned int cpu, unsigned int index) default: BUG(); - }; + } reg = read_safari_cfg(); diff --git a/arch/sparc/kernel/viohs.c b/arch/sparc/kernel/viohs.c index aa6ac70d4fd5..29348ea139c3 100644 --- a/arch/sparc/kernel/viohs.c +++ b/arch/sparc/kernel/viohs.c @@ -363,7 +363,7 @@ static int process_ver(struct vio_driver_state *vio, struct vio_ver_info *pkt) default: return handshake_failure(vio); - }; + } } static int process_attr(struct vio_driver_state *vio, void *pkt) diff --git a/arch/sparc/kernel/visemul.c b/arch/sparc/kernel/visemul.c index 9dfd2ebcb157..36357717d691 100644 --- a/arch/sparc/kernel/visemul.c +++ b/arch/sparc/kernel/visemul.c @@ -334,7 +334,7 @@ static void edge(struct pt_regs *regs, unsigned int insn, unsigned int opf) left = edge32_tab_l[(rs1 >> 2) & 0x1].left; right = edge32_tab_l[(rs2 >> 2) & 0x1].right; break; - }; + } if ((rs1 & ~0x7UL) == (rs2 & ~0x7UL)) rd_val = right & left; @@ -360,7 +360,7 @@ static void edge(struct pt_regs *regs, unsigned int insn, unsigned int opf) tstate = regs->tstate & ~(TSTATE_XCC | TSTATE_ICC); regs->tstate = tstate | (ccr << 32UL); } - }; + } } static void array(struct pt_regs *regs, unsigned int insn, unsigned int opf) @@ -392,7 +392,7 @@ static void array(struct pt_regs *regs, unsigned int insn, unsigned int opf) case ARRAY32_OPF: rd_val <<= 2; - }; + } store_reg(regs, rd_val, RD(insn)); } @@ -577,7 +577,7 @@ static void pformat(struct pt_regs *regs, unsigned int insn, unsigned int opf) *fpd_regaddr(f, RD(insn)) = rd_val; break; } - }; + } } static void pmul(struct pt_regs *regs, unsigned int insn, unsigned int opf) @@ -693,7 +693,7 @@ static void pmul(struct pt_regs *regs, unsigned int insn, unsigned int opf) *fpd_regaddr(f, RD(insn)) = rd_val; break; } - }; + } } static void pcmp(struct pt_regs *regs, unsigned int insn, unsigned int opf) @@ -786,7 +786,7 @@ static void pcmp(struct pt_regs *regs, unsigned int insn, unsigned int opf) rd_val |= 1 << i; } break; - }; + } maybe_flush_windows(0, 0, RD(insn), 0); store_reg(regs, rd_val, RD(insn)); @@ -885,7 +885,7 @@ int vis_emul(struct pt_regs *regs, unsigned int insn) case BSHUFFLE_OPF: bshuffle(regs, insn); break; - }; + } regs->tpc = regs->tnpc; regs->tnpc += 4; diff --git a/arch/sparc/mm/fault_32.c b/arch/sparc/mm/fault_32.c index b10ac4d62378..7543ddbdadb2 100644 --- a/arch/sparc/mm/fault_32.c +++ b/arch/sparc/mm/fault_32.c @@ -135,7 +135,7 @@ asmlinkage int lookup_fault(unsigned long pc, unsigned long ret_pc, default: break; - }; + } memset(®s, 0, sizeof (regs)); regs.pc = pc; diff --git a/arch/sparc/mm/init_32.c b/arch/sparc/mm/init_32.c index ca217327e8d2..7b00de61c5f1 100644 --- a/arch/sparc/mm/init_32.c +++ b/arch/sparc/mm/init_32.c @@ -340,7 +340,7 @@ void __init paging_init(void) prom_printf("paging_init: sparc_cpu_model = %d\n", sparc_cpu_model); prom_printf("paging_init: Halting...\n"); prom_halt(); - }; + } /* Initialize the protection map with non-constant, MMU dependent values. */ protection_map[0] = PAGE_NONE; diff --git a/arch/sparc/mm/init_64.c b/arch/sparc/mm/init_64.c index e10cd03fab80..3fd8e18bed80 100644 --- a/arch/sparc/mm/init_64.c +++ b/arch/sparc/mm/init_64.c @@ -1625,7 +1625,7 @@ static void __init sun4v_ktsb_init(void) ktsb_descr[0].pgsz_idx = HV_PGSZ_IDX_4MB; ktsb_descr[0].pgsz_mask = HV_PGSZ_MASK_4MB; break; - }; + } ktsb_descr[0].assoc = 1; ktsb_descr[0].num_ttes = KERNEL_TSB_NENTRIES; @@ -2266,7 +2266,7 @@ unsigned long pte_sz_bits(unsigned long sz) return _PAGE_SZ512K_4V; case 4 * 1024 * 1024: return _PAGE_SZ4MB_4V; - }; + } } else { switch (sz) { case 8 * 1024: @@ -2278,7 +2278,7 @@ unsigned long pte_sz_bits(unsigned long sz) return _PAGE_SZ512K_4U; case 4 * 1024 * 1024: return _PAGE_SZ4MB_4U; - }; + } } } diff --git a/arch/sparc/mm/srmmu.c b/arch/sparc/mm/srmmu.c index fe09fd8be695..cbef74e793b8 100644 --- a/arch/sparc/mm/srmmu.c +++ b/arch/sparc/mm/srmmu.c @@ -1665,7 +1665,7 @@ static void __init init_swift(void) default: srmmu_modtype = Swift_ok; break; - }; + } BTFIXUPSET_CALL(flush_cache_all, swift_flush_cache_all, BTFIXUPCALL_NORM); BTFIXUPSET_CALL(flush_cache_mm, swift_flush_cache_mm, BTFIXUPCALL_NORM); @@ -2069,7 +2069,7 @@ static void __init get_srmmu_type(void) /* Some other Cypress revision, assume a 605. */ init_cypress_605(mod_rev); break; - }; + } return; } diff --git a/arch/sparc/mm/sun4c.c b/arch/sparc/mm/sun4c.c index a2350b5e68aa..1cf4f198709a 100644 --- a/arch/sparc/mm/sun4c.c +++ b/arch/sparc/mm/sun4c.c @@ -318,7 +318,7 @@ void __init sun4c_probe_vac(void) prom_printf("probe_vac: Didn't expect vac-linesize of %d, halting\n", sun4c_vacinfo.linesize); prom_halt(); - }; + } sun4c_flush_all(); sun4c_enable_vac(); @@ -364,7 +364,7 @@ static void __init patch_kernel_fault_handler(void) prom_printf("Unhandled number of segmaps: %d\n", num_segmaps); prom_halt(); - }; + } switch (num_contexts) { case 8: /* Default, nothing to do. */ @@ -377,7 +377,7 @@ static void __init patch_kernel_fault_handler(void) prom_printf("Unhandled number of contexts: %d\n", num_contexts); prom_halt(); - }; + } if (sun4c_vacinfo.do_hwflushes != 0) { PATCH_INSN(vac_hwflush_patch1_on, vac_hwflush_patch1); @@ -394,7 +394,7 @@ static void __init patch_kernel_fault_handler(void) prom_printf("Impossible VAC linesize %d, halting...\n", sun4c_vacinfo.linesize); prom_halt(); - }; + } } } diff --git a/arch/sparc/mm/tsb.c b/arch/sparc/mm/tsb.c index 948461513499..a5f51b22fcbe 100644 --- a/arch/sparc/mm/tsb.c +++ b/arch/sparc/mm/tsb.c @@ -180,7 +180,7 @@ static void setup_tsb_params(struct mm_struct *mm, unsigned long tsb_idx, unsign printk(KERN_ERR "TSB[%s:%d]: Impossible TSB size %lu, killing process.\n", current->comm, current->pid, tsb_bytes); do_exit(SIGSEGV); - }; + } tte |= pte_sz_bits(page_sz); if (tlb_type == cheetah_plus || tlb_type == hypervisor) { @@ -215,7 +215,7 @@ static void setup_tsb_params(struct mm_struct *mm, unsigned long tsb_idx, unsign #endif default: BUG(); - }; + } hp->assoc = 1; hp->num_ttes = tsb_bytes / 16; hp->ctx_idx = 0; @@ -230,7 +230,7 @@ static void setup_tsb_params(struct mm_struct *mm, unsigned long tsb_idx, unsign #endif default: BUG(); - }; + } hp->tsb_base = tsb_paddr; hp->resv = 0; } diff --git a/arch/sparc/prom/console_32.c b/arch/sparc/prom/console_32.c index b05e3db5fa63..a00f47b16c10 100644 --- a/arch/sparc/prom/console_32.c +++ b/arch/sparc/prom/console_32.c @@ -38,7 +38,7 @@ static int prom_nbputchar(const char *buf) break; default: break; - }; + } restore_current(); spin_unlock_irqrestore(&prom_lock, flags); return i; /* Ugh, we could spin forever on unsupported proms ;( */ diff --git a/arch/sparc/prom/init_32.c b/arch/sparc/prom/init_32.c index 0a601b300639..26c64cea3c9c 100644 --- a/arch/sparc/prom/init_32.c +++ b/arch/sparc/prom/init_32.c @@ -53,7 +53,7 @@ void __init prom_init(struct linux_romvec *rp) romvec->pv_romvers); prom_halt(); break; - }; + } prom_rev = romvec->pv_plugin_revision; prom_prev = romvec->pv_printrev; diff --git a/arch/sparc/prom/mp.c b/arch/sparc/prom/mp.c index 97c44c9ddbc8..0da8256cf76f 100644 --- a/arch/sparc/prom/mp.c +++ b/arch/sparc/prom/mp.c @@ -35,7 +35,7 @@ prom_startcpu(int cpunode, struct linux_prom_registers *ctable_reg, int ctx, cha case PROM_V3: ret = (*(romvec->v3_cpustart))(cpunode, (int) ctable_reg, ctx, pc); break; - }; + } restore_current(); spin_unlock_irqrestore(&prom_lock, flags); diff --git a/arch/unicore32/Kconfig b/arch/unicore32/Kconfig index d3a303246c9f..e57dcce9bfda 100644 --- a/arch/unicore32/Kconfig +++ b/arch/unicore32/Kconfig @@ -231,10 +231,6 @@ config PUV3_PWM help Enable support for NB0916 PWM controllers -config PUV3_RTC - tristate "PKUnity v3 RTC Support" - depends on !ARCH_FPGA - if PUV3_NB0916 menu "PKUnity NetBook-0916 Features" diff --git a/arch/unicore32/Makefile b/arch/unicore32/Makefile index 76a8beec7d03..6af4bc415f2b 100644 --- a/arch/unicore32/Makefile +++ b/arch/unicore32/Makefile @@ -40,42 +40,10 @@ core-y += arch/unicore32/mm/ libs-y += arch/unicore32/lib/ -ASM_GENERATED_DIR := $(srctree)/arch/unicore32/include/generated -LINUXINCLUDE += -I$(ASM_GENERATED_DIR) - -ASM_GENERIC_HEADERS := atomic.h auxvec.h -ASM_GENERIC_HEADERS += bitsperlong.h bug.h bugs.h -ASM_GENERIC_HEADERS += cputime.h current.h -ASM_GENERIC_HEADERS += device.h div64.h -ASM_GENERIC_HEADERS += emergency-restart.h errno.h -ASM_GENERIC_HEADERS += fb.h fcntl.h ftrace.h futex.h -ASM_GENERIC_HEADERS += hardirq.h hw_irq.h -ASM_GENERIC_HEADERS += ioctl.h ioctls.h ipcbuf.h irq_regs.h -ASM_GENERIC_HEADERS += kdebug.h kmap_types.h -ASM_GENERIC_HEADERS += local.h -ASM_GENERIC_HEADERS += mman.h module.h msgbuf.h -ASM_GENERIC_HEADERS += param.h parport.h percpu.h poll.h posix_types.h -ASM_GENERIC_HEADERS += resource.h -ASM_GENERIC_HEADERS += scatterlist.h sections.h segment.h sembuf.h serial.h -ASM_GENERIC_HEADERS += setup.h shmbuf.h shmparam.h -ASM_GENERIC_HEADERS += siginfo.h signal.h sizes.h -ASM_GENERIC_HEADERS += socket.h sockios.h stat.h statfs.h swab.h syscalls.h -ASM_GENERIC_HEADERS += termbits.h termios.h topology.h types.h -ASM_GENERIC_HEADERS += ucontext.h unaligned.h user.h -ASM_GENERIC_HEADERS += vga.h -ASM_GENERIC_HEADERS += xor.h - -archprepare: -ifneq ($(ASM_GENERATED_DIR), $(wildcard $(ASM_GENERATED_DIR))) - $(Q)mkdir -p $(ASM_GENERATED_DIR)/asm - $(Q)$(foreach a, $(ASM_GENERIC_HEADERS), \ - echo '#include <asm-generic/$a>' \ - > $(ASM_GENERATED_DIR)/asm/$a; ) -endif - boot := arch/unicore32/boot -# Default target when executing plain make +# Default defconfig and target when executing plain make +KBUILD_DEFCONFIG := $(ARCH)_defconfig KBUILD_IMAGE := zImage all: $(KBUILD_IMAGE) @@ -83,8 +51,6 @@ all: $(KBUILD_IMAGE) zImage Image uImage: vmlinux $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@ -MRPROPER_DIRS += $(ASM_GENERATED_DIR) - archclean: $(Q)$(MAKE) $(clean)=$(boot) diff --git a/arch/unicore32/boot/compressed/Makefile b/arch/unicore32/boot/compressed/Makefile index 95373428cb3d..b0954a2d23cf 100644 --- a/arch/unicore32/boot/compressed/Makefile +++ b/arch/unicore32/boot/compressed/Makefile @@ -59,7 +59,7 @@ $(obj)/vmlinux: $(obj)/vmlinux.lds $(obj)/head.o $(obj)/piggy.o \ # We now have a PIC decompressor implementation. Decompressors running # from RAM should not define ZTEXTADDR. Decompressors running directly # from ROM or Flash must define ZTEXTADDR (preferably via the config) -ZTEXTADDR := 0 +ZTEXTADDR := 0x03000000 ZBSSADDR := ALIGN(4) SEDFLAGS_lds = s/TEXT_START/$(ZTEXTADDR)/;s/BSS_START/$(ZBSSADDR)/ diff --git a/arch/unicore32/configs/debug_defconfig b/arch/unicore32/configs/unicore32_defconfig index b5fbde9f1cb2..c9dd3198b6f7 100644 --- a/arch/unicore32/configs/debug_defconfig +++ b/arch/unicore32/configs/unicore32_defconfig @@ -1,6 +1,6 @@ ### General setup CONFIG_EXPERIMENTAL=y -CONFIG_LOCALVERSION="-debug" +CONFIG_LOCALVERSION="-unicore32" CONFIG_SWAP=y CONFIG_SYSVIPC=y CONFIG_POSIX_MQUEUE=y @@ -64,7 +64,6 @@ CONFIG_I2C_BATTERY_BQ27200=n CONFIG_I2C_EEPROM_AT24=n CONFIG_LCD_BACKLIGHT=n -CONFIG_PUV3_RTC=y CONFIG_PUV3_UMAL=y CONFIG_PUV3_MUSB=n CONFIG_PUV3_AC97=n @@ -167,8 +166,9 @@ CONFIG_LEDS_TRIGGER_IDE_DISK=y CONFIG_LEDS_TRIGGER_HEARTBEAT=y # Real Time Clock -CONFIG_RTC_LIB=m -CONFIG_RTC_CLASS=m +CONFIG_RTC_LIB=y +CONFIG_RTC_CLASS=y +CONFIG_RTC_DRV_PUV3=y ### File systems CONFIG_EXT2_FS=m diff --git a/arch/unicore32/include/asm/Kbuild b/arch/unicore32/include/asm/Kbuild index b200fdaca44d..ca113d6999c5 100644 --- a/arch/unicore32/include/asm/Kbuild +++ b/arch/unicore32/include/asm/Kbuild @@ -1,2 +1,61 @@ include include/asm-generic/Kbuild.asm +generic-y += atomic.h +generic-y += auxvec.h +generic-y += bitsperlong.h +generic-y += bug.h +generic-y += bugs.h +generic-y += cputime.h +generic-y += current.h +generic-y += device.h +generic-y += div64.h +generic-y += emergency-restart.h +generic-y += errno.h +generic-y += fb.h +generic-y += fcntl.h +generic-y += ftrace.h +generic-y += futex.h +generic-y += hardirq.h +generic-y += hw_irq.h +generic-y += ioctl.h +generic-y += ioctls.h +generic-y += ipcbuf.h +generic-y += irq_regs.h +generic-y += kdebug.h +generic-y += kmap_types.h +generic-y += local.h +generic-y += mman.h +generic-y += module.h +generic-y += msgbuf.h +generic-y += param.h +generic-y += parport.h +generic-y += percpu.h +generic-y += poll.h +generic-y += posix_types.h +generic-y += resource.h +generic-y += scatterlist.h +generic-y += sections.h +generic-y += segment.h +generic-y += sembuf.h +generic-y += serial.h +generic-y += setup.h +generic-y += shmbuf.h +generic-y += shmparam.h +generic-y += siginfo.h +generic-y += signal.h +generic-y += sizes.h +generic-y += socket.h +generic-y += sockios.h +generic-y += stat.h +generic-y += statfs.h +generic-y += swab.h +generic-y += syscalls.h +generic-y += termbits.h +generic-y += termios.h +generic-y += topology.h +generic-y += types.h +generic-y += ucontext.h +generic-y += unaligned.h +generic-y += user.h +generic-y += vga.h +generic-y += xor.h diff --git a/arch/unicore32/kernel/Makefile b/arch/unicore32/kernel/Makefile index ec23a2fb2f50..aeb0f181568e 100644 --- a/arch/unicore32/kernel/Makefile +++ b/arch/unicore32/kernel/Makefile @@ -16,7 +16,6 @@ obj-$(CONFIG_UNICORE_FPU_F64) += fpu-ucf64.o obj-$(CONFIG_ARCH_PUV3) += clock.o irq.o time.o obj-$(CONFIG_PUV3_GPIO) += gpio.o -obj-$(CONFIG_PUV3_RTC) += rtc.o obj-$(CONFIG_PUV3_PWM) += pwm.o obj-$(CONFIG_PUV3_PM) += pm.o sleep.o obj-$(CONFIG_HIBERNATION) += hibernate.o hibernate_asm.o diff --git a/arch/unicore32/kernel/vmlinux.lds.S b/arch/unicore32/kernel/vmlinux.lds.S index 9bf7f7af52c5..77e407e49a63 100644 --- a/arch/unicore32/kernel/vmlinux.lds.S +++ b/arch/unicore32/kernel/vmlinux.lds.S @@ -30,7 +30,7 @@ SECTIONS HEAD_TEXT_SECTION INIT_TEXT_SECTION(PAGE_SIZE) INIT_DATA_SECTION(16) - PERCPU(L1_CACHE_BYTES, PAGE_SIZE) + PERCPU_SECTION(L1_CACHE_BYTES) __init_end = .; _stext = .; diff --git a/arch/x86/kernel/process_32.c b/arch/x86/kernel/process_32.c index 8d128783af47..a3d0dc59067b 100644 --- a/arch/x86/kernel/process_32.c +++ b/arch/x86/kernel/process_32.c @@ -245,7 +245,6 @@ start_thread(struct pt_regs *regs, unsigned long new_ip, unsigned long new_sp) { set_user_gs(regs, 0); regs->fs = 0; - set_fs(USER_DS); regs->ds = __USER_DS; regs->es = __USER_DS; regs->ss = __USER_DS; diff --git a/arch/x86/kernel/process_64.c b/arch/x86/kernel/process_64.c index 6c9dd922ac0d..ca6f7ab8df33 100644 --- a/arch/x86/kernel/process_64.c +++ b/arch/x86/kernel/process_64.c @@ -338,7 +338,6 @@ start_thread_common(struct pt_regs *regs, unsigned long new_ip, regs->cs = _cs; regs->ss = _ss; regs->flags = X86_EFLAGS_IF; - set_fs(USER_DS); /* * Free the old FP and other extended state */ diff --git a/drivers/ata/libata-eh.c b/drivers/ata/libata-eh.c index dfb6e9d3d759..7f099d6e4e0b 100644 --- a/drivers/ata/libata-eh.c +++ b/drivers/ata/libata-eh.c @@ -2802,10 +2802,11 @@ int ata_eh_reset(struct ata_link *link, int classify, } /* - * Some controllers can't be frozen very well and may set - * spuruious error conditions during reset. Clear accumulated - * error information. As reset is the final recovery action, - * nothing is lost by doing this. + * Some controllers can't be frozen very well and may set spurious + * error conditions during reset. Clear accumulated error + * information and re-thaw the port if frozen. As reset is the + * final recovery action and we cross check link onlineness against + * device classification later, no hotplug event is lost by this. */ spin_lock_irqsave(link->ap->lock, flags); memset(&link->eh_info, 0, sizeof(link->eh_info)); @@ -2814,6 +2815,9 @@ int ata_eh_reset(struct ata_link *link, int classify, ap->pflags &= ~ATA_PFLAG_EH_PENDING; spin_unlock_irqrestore(link->ap->lock, flags); + if (ap->pflags & ATA_PFLAG_FROZEN) + ata_eh_thaw_port(ap); + /* * Make sure onlineness and classification result correspond. * Hotplug could have happened during reset and some diff --git a/drivers/firmware/iscsi_ibft_find.c b/drivers/firmware/iscsi_ibft_find.c index f032e446fc11..bfe723266fd8 100644 --- a/drivers/firmware/iscsi_ibft_find.c +++ b/drivers/firmware/iscsi_ibft_find.c @@ -108,7 +108,9 @@ done: */ unsigned long __init find_ibft_region(unsigned long *sizep) { +#ifdef CONFIG_ACPI int i; +#endif ibft_addr = NULL; #ifdef CONFIG_ACPI diff --git a/drivers/media/video/cx23885/cx23885-cards.c b/drivers/media/video/cx23885/cx23885-cards.c index 2354336862cf..934185cca758 100644 --- a/drivers/media/video/cx23885/cx23885-cards.c +++ b/drivers/media/video/cx23885/cx23885-cards.c @@ -25,8 +25,8 @@ #include <linux/delay.h> #include <media/cx25840.h> #include <linux/firmware.h> -#include <staging/altera.h> +#include "../../../staging/altera-stapl/altera.h" #include "cx23885.h" #include "tuner-xc2028.h" #include "netup-init.h" diff --git a/drivers/pci/Makefile b/drivers/pci/Makefile index c85f744270a5..094308e41be5 100644 --- a/drivers/pci/Makefile +++ b/drivers/pci/Makefile @@ -51,6 +51,7 @@ obj-$(CONFIG_X86_VISWS) += setup-irq.o obj-$(CONFIG_MN10300) += setup-bus.o obj-$(CONFIG_MICROBLAZE) += setup-bus.o obj-$(CONFIG_TILE) += setup-bus.o setup-irq.o +obj-$(CONFIG_SPARC_LEON) += setup-bus.o setup-irq.o # # ACPI Related PCI FW Functions diff --git a/drivers/rtc/Kconfig b/drivers/rtc/Kconfig index f822e13dc04b..ce2aabf5c550 100644 --- a/drivers/rtc/Kconfig +++ b/drivers/rtc/Kconfig @@ -1051,4 +1051,13 @@ config RTC_DRV_TILE Enable support for the Linux driver side of the Tilera hypervisor's real-time clock interface. +config RTC_DRV_PUV3 + tristate "PKUnity v3 RTC support" + depends on ARCH_PUV3 + help + This enables support for the RTC in the PKUnity-v3 SoCs. + + This drive can also be built as a module. If so, the module + will be called rtc-puv3. + endif # RTC_CLASS diff --git a/drivers/rtc/Makefile b/drivers/rtc/Makefile index 213d725f16d4..0ffefe877bfa 100644 --- a/drivers/rtc/Makefile +++ b/drivers/rtc/Makefile @@ -78,6 +78,7 @@ obj-$(CONFIG_RTC_DRV_PCF50633) += rtc-pcf50633.o obj-$(CONFIG_RTC_DRV_PL030) += rtc-pl030.o obj-$(CONFIG_RTC_DRV_PL031) += rtc-pl031.o obj-$(CONFIG_RTC_DRV_PS3) += rtc-ps3.o +obj-$(CONFIG_RTC_DRV_PUV3) += rtc-puv3.o obj-$(CONFIG_RTC_DRV_PXA) += rtc-pxa.o obj-$(CONFIG_RTC_DRV_R9701) += rtc-r9701.o obj-$(CONFIG_RTC_DRV_RP5C01) += rtc-rp5c01.o diff --git a/arch/unicore32/kernel/rtc.c b/drivers/rtc/rtc-puv3.c index 8cad70b3302c..46f14b82f3ab 100644 --- a/arch/unicore32/kernel/rtc.c +++ b/drivers/rtc/rtc-puv3.c @@ -1,7 +1,5 @@ /* - * linux/arch/unicore32/kernel/rtc.c - * - * Code specific to PKUnity SoC and UniCore ISA + * RTC driver code specific to PKUnity SoC and UniCore ISA * * Maintained by GUAN Xue-tao <gxt@mprc.pku.edu.cn> * Copyright (C) 2001-2010 Guan Xuetao @@ -36,7 +34,6 @@ static int puv3_rtc_tickno = IRQ_RTC; static DEFINE_SPINLOCK(puv3_rtc_pie_lock); /* IRQ Handlers */ - static irqreturn_t puv3_rtc_alarmirq(int irq, void *id) { struct rtc_device *rdev = id; @@ -89,7 +86,6 @@ static int puv3_rtc_setpie(struct device *dev, int enabled) } /* Time read/write */ - static int puv3_rtc_gettime(struct device *dev, struct rtc_time *rtc_tm) { rtc_time_to_tm(readl(RTC_RCNR), rtc_tm); @@ -196,7 +192,6 @@ static void puv3_rtc_release(struct device *dev) struct rtc_device *rtc_dev = platform_get_drvdata(pdev); /* do not clear AIE here, it may be needed for wake */ - puv3_rtc_setpie(dev, 0); free_irq(puv3_rtc_alarmno, rtc_dev); free_irq(puv3_rtc_tickno, rtc_dev); @@ -218,7 +213,6 @@ static void puv3_rtc_enable(struct platform_device *pdev, int en) writel(readl(RTC_RTSR) & ~RTC_RTSR_HZE, RTC_RTSR); } else { /* re-enable the device, and check it is ok */ - if ((readl(RTC_RTSR) & RTC_RTSR_HZE) == 0) { dev_info(&pdev->dev, "rtc disabled, re-enabling\n"); writel(readl(RTC_RTSR) | RTC_RTSR_HZE, RTC_RTSR); @@ -251,7 +245,6 @@ static int puv3_rtc_probe(struct platform_device *pdev) pr_debug("%s: probe=%p\n", __func__, pdev); /* find the IRQs */ - puv3_rtc_tickno = platform_get_irq(pdev, 1); if (puv3_rtc_tickno < 0) { dev_err(&pdev->dev, "no irq for rtc tick\n"); @@ -268,7 +261,6 @@ static int puv3_rtc_probe(struct platform_device *pdev) puv3_rtc_tickno, puv3_rtc_alarmno); /* get the memory region */ - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); if (res == NULL) { dev_err(&pdev->dev, "failed to get memory region resource\n"); @@ -288,7 +280,6 @@ static int puv3_rtc_probe(struct platform_device *pdev) puv3_rtc_enable(pdev, 1); /* register RTC and exit */ - rtc = rtc_device_register("pkunity", &pdev->dev, &puv3_rtcops, THIS_MODULE); @@ -315,8 +306,6 @@ static int puv3_rtc_probe(struct platform_device *pdev) #ifdef CONFIG_PM -/* RTC Power management control */ - static int ticnt_save; static int puv3_rtc_suspend(struct platform_device *pdev, pm_message_t state) @@ -368,4 +357,3 @@ module_exit(puv3_rtc_exit); MODULE_DESCRIPTION("RTC Driver for the PKUnity v3 chip"); MODULE_AUTHOR("Hu Dongliang"); MODULE_LICENSE("GPL v2"); - diff --git a/drivers/staging/Kconfig b/drivers/staging/Kconfig index dfc16f955eb8..196284dc2f36 100644 --- a/drivers/staging/Kconfig +++ b/drivers/staging/Kconfig @@ -24,23 +24,6 @@ menuconfig STAGING if STAGING -config STAGING_EXCLUDE_BUILD - bool "Exclude Staging drivers from being built" if STAGING - default y - ---help--- - Are you sure you really want to build the staging drivers? - They taint your kernel, don't live up to the normal Linux - kernel quality standards, are a bit crufty around the edges, - and might go off and kick your dog when you aren't paying - attention. - - Say N here to be able to select and build the Staging drivers. - This option is primarily here to prevent them from being built - when selecting 'make allyesconfg' and 'make allmodconfig' so - don't be all that put off, your dog will be just fine. - -if !STAGING_EXCLUDE_BUILD - source "drivers/staging/tty/Kconfig" source "drivers/staging/generic_serial/Kconfig" @@ -177,5 +160,4 @@ source "drivers/staging/mei/Kconfig" source "drivers/staging/nvec/Kconfig" -endif # !STAGING_EXCLUDE_BUILD endif # STAGING diff --git a/drivers/staging/altera-stapl/altera-jtag.c b/drivers/staging/altera-stapl/altera-jtag.c index 876308858b82..8b1620b1b2d0 100644 --- a/drivers/staging/altera-stapl/altera-jtag.c +++ b/drivers/staging/altera-stapl/altera-jtag.c @@ -26,7 +26,7 @@ #include <linux/delay.h> #include <linux/firmware.h> #include <linux/slab.h> -#include <staging/altera.h> +#include "altera.h" #include "altera-exprt.h" #include "altera-jtag.h" diff --git a/drivers/staging/altera-stapl/altera.c b/drivers/staging/altera-stapl/altera.c index 05aad351b120..9cd5e76880c0 100644 --- a/drivers/staging/altera-stapl/altera.c +++ b/drivers/staging/altera-stapl/altera.c @@ -28,7 +28,7 @@ #include <linux/string.h> #include <linux/firmware.h> #include <linux/slab.h> -#include <staging/altera.h> +#include "altera.h" #include "altera-exprt.h" #include "altera-jtag.h" diff --git a/include/staging/altera.h b/drivers/staging/altera-stapl/altera.h index 94c0c6181daf..94c0c6181daf 100644 --- a/include/staging/altera.h +++ b/drivers/staging/altera-stapl/altera.h diff --git a/drivers/staging/ath6kl/Kconfig b/drivers/staging/ath6kl/Kconfig index 1f15e1fb1ab2..afd6cc16a2b8 100644 --- a/drivers/staging/ath6kl/Kconfig +++ b/drivers/staging/ath6kl/Kconfig @@ -1,6 +1,7 @@ config ATH6K_LEGACY tristate "Atheros AR6003 support (non mac80211)" depends on MMC && WLAN + depends on CFG80211 select WIRELESS_EXT select WEXT_PRIV help diff --git a/drivers/staging/ath6kl/os/linux/cfg80211.c b/drivers/staging/ath6kl/os/linux/cfg80211.c index 77dfb4070c1d..d3a774dbb7e8 100644 --- a/drivers/staging/ath6kl/os/linux/cfg80211.c +++ b/drivers/staging/ath6kl/os/linux/cfg80211.c @@ -870,7 +870,8 @@ ar6k_cfg80211_scanComplete_event(struct ar6_softc *ar, int status) if(ar->scan_request) { /* Translate data to cfg80211 mgmt format */ - wmi_iterate_nodes(ar->arWmi, ar6k_cfg80211_scan_node, ar->wdev->wiphy); + if (ar->arWmi) + wmi_iterate_nodes(ar->arWmi, ar6k_cfg80211_scan_node, ar->wdev->wiphy); cfg80211_scan_done(ar->scan_request, ((status & A_ECANCELED) || (status & A_EBUSY)) ? true : false); diff --git a/drivers/staging/brcm80211/brcmfmac/wl_iw.c b/drivers/staging/brcm80211/brcmfmac/wl_iw.c index 929ceaf363be..15e1b05ca92d 100644 --- a/drivers/staging/brcm80211/brcmfmac/wl_iw.c +++ b/drivers/staging/brcm80211/brcmfmac/wl_iw.c @@ -64,8 +64,6 @@ wl_iw_extra_params_t g_wl_iw_params; extern bool wl_iw_conn_status_str(u32 event_type, u32 status, u32 reason, char *stringBuf, uint buflen); -uint wl_msg_level = WL_ERROR_VAL; - #define MAX_WLIW_IOCTL_LEN 1024 #ifdef CONFIG_WIRELESS_EXT diff --git a/drivers/staging/gma500/psb_drv.c b/drivers/staging/gma500/psb_drv.c index 1c45c11a774e..aa87b1b6a44a 100644 --- a/drivers/staging/gma500/psb_drv.c +++ b/drivers/staging/gma500/psb_drv.c @@ -542,6 +542,8 @@ static int psb_driver_load(struct drm_device *dev, unsigned long chipset) unsigned long irqflags; int ret = -ENOMEM; uint32_t tt_pages; + struct drm_connector *connector; + struct psb_intel_output *psb_intel_output; dev_priv = kzalloc(sizeof(*dev_priv), GFP_KERNEL); if (dev_priv == NULL) @@ -663,7 +665,18 @@ static int psb_driver_load(struct drm_device *dev, unsigned long chipset) drm_kms_helper_poll_init(dev); } - ret = psb_backlight_init(dev); + /* Only add backlight support if we have LVDS output */ + list_for_each_entry(connector, &dev->mode_config.connector_list, + head) { + psb_intel_output = to_psb_intel_output(connector); + + switch (psb_intel_output->type) { + case INTEL_OUTPUT_LVDS: + ret = psb_backlight_init(dev); + break; + } + } + if (ret) return ret; #if 0 diff --git a/drivers/staging/gma500/psb_fb.c b/drivers/staging/gma500/psb_fb.c index 99c03a2e06bd..084c36bbfe86 100644 --- a/drivers/staging/gma500/psb_fb.c +++ b/drivers/staging/gma500/psb_fb.c @@ -441,6 +441,16 @@ static int psbfb_create(struct psb_fbdev *fbdev, info->screen_size = size; memset(info->screen_base, 0, size); + if (dev_priv->pg->stolen_size) { + info->apertures = alloc_apertures(1); + if (!info->apertures) { + ret = -ENOMEM; + goto out_err0; + } + info->apertures->ranges[0].base = dev->mode_config.fb_base; + info->apertures->ranges[0].size = dev_priv->pg->stolen_size; + } + drm_fb_helper_fill_fix(info, fb->pitch, fb->depth); drm_fb_helper_fill_var(info, &fbdev->psb_fb_helper, sizes->fb_width, sizes->fb_height); diff --git a/drivers/staging/gma500/psb_intel_bios.c b/drivers/staging/gma500/psb_intel_bios.c index 48ac8ba7f40b..417965da5e24 100644 --- a/drivers/staging/gma500/psb_intel_bios.c +++ b/drivers/staging/gma500/psb_intel_bios.c @@ -154,10 +154,15 @@ static void parse_lfp_panel_data(struct drm_psb_private *dev_priv, fill_detail_timing_data(panel_fixed_mode, dvo_timing); - dev_priv->lfp_lvds_vbt_mode = panel_fixed_mode; - - DRM_DEBUG("Found panel mode in BIOS VBT tables:\n"); - drm_mode_debug_printmodeline(panel_fixed_mode); + if (panel_fixed_mode->htotal > 0 && panel_fixed_mode->vtotal > 0) { + dev_priv->lfp_lvds_vbt_mode = panel_fixed_mode; + DRM_DEBUG("Found panel mode in BIOS VBT tables:\n"); + drm_mode_debug_printmodeline(panel_fixed_mode); + } else { + DRM_DEBUG("Ignoring bogus LVDS VBT mode.\n"); + dev_priv->lvds_vbt = 0; + kfree(panel_fixed_mode); + } return; } diff --git a/drivers/staging/iio/dac/max517.c b/drivers/staging/iio/dac/max517.c index 881768df47a6..2fe34d21b6aa 100644 --- a/drivers/staging/iio/dac/max517.c +++ b/drivers/staging/iio/dac/max517.c @@ -195,7 +195,7 @@ static const struct iio_info max517_info = { }; static const struct iio_info max518_info = { - .attrs = &max517_attribute_group, + .attrs = &max518_attribute_group, .driver_module = THIS_MODULE, }; diff --git a/drivers/staging/iio/imu/adis16400_ring.c b/drivers/staging/iio/imu/adis16400_ring.c index 2589a7e167e4..3612373ddede 100644 --- a/drivers/staging/iio/imu/adis16400_ring.c +++ b/drivers/staging/iio/imu/adis16400_ring.c @@ -137,13 +137,13 @@ static irqreturn_t adis16400_trigger_handler(int irq, void *p) if (st->variant->flags & ADIS16400_NO_BURST) { ret = adis16350_spi_read_all(&indio_dev->dev, st->rx); if (ret < 0) - return ret; + goto err; for (; i < ring->scan_count; i++) data[i] = *(s16 *)(st->rx + i*2); } else { ret = adis16400_spi_read_burst(&indio_dev->dev, st->rx); if (ret < 0) - return ret; + goto err; for (; i < indio_dev->ring->scan_count; i++) { j = __ffs(mask); mask &= ~(1 << j); @@ -158,9 +158,13 @@ static irqreturn_t adis16400_trigger_handler(int irq, void *p) ring->access->store_to(indio_dev->ring, (u8 *) data, pf->timestamp); iio_trigger_notify_done(indio_dev->trig); - kfree(data); + kfree(data); return IRQ_HANDLED; + +err: + kfree(data); + return ret; } void adis16400_unconfigure_ring(struct iio_dev *indio_dev) diff --git a/drivers/staging/iio/industrialio-trigger.c b/drivers/staging/iio/industrialio-trigger.c index 615902333fb0..d504aa251ced 100644 --- a/drivers/staging/iio/industrialio-trigger.c +++ b/drivers/staging/iio/industrialio-trigger.c @@ -294,6 +294,7 @@ struct iio_poll_func pf->h = h; pf->thread = thread; pf->type = type; + pf->private_data = private; return pf; } diff --git a/drivers/staging/mei/init.c b/drivers/staging/mei/init.c index 2818851c0761..d1ffa32cd141 100644 --- a/drivers/staging/mei/init.c +++ b/drivers/staging/mei/init.c @@ -205,10 +205,10 @@ int mei_hw_init(struct mei_device *dev) "host_hw_state = 0x%08x, me_hw_state = 0x%08x.\n", dev->host_hw_state, dev->me_hw_state); - if (!(dev->host_hw_state & H_RDY) != H_RDY) + if (!(dev->host_hw_state & H_RDY)) dev_dbg(&dev->pdev->dev, "host turn off H_RDY.\n"); - if (!(dev->me_hw_state & ME_RDY_HRA) != ME_RDY_HRA) + if (!(dev->me_hw_state & ME_RDY_HRA)) dev_dbg(&dev->pdev->dev, "ME turn off ME_RDY.\n"); printk(KERN_ERR "mei: link layer initialization failed.\n"); diff --git a/drivers/staging/olpc_dcon/Kconfig b/drivers/staging/olpc_dcon/Kconfig index b05306766870..fe40e0b6f675 100644 --- a/drivers/staging/olpc_dcon/Kconfig +++ b/drivers/staging/olpc_dcon/Kconfig @@ -2,6 +2,7 @@ config FB_OLPC_DCON tristate "One Laptop Per Child Display CONtroller support" depends on OLPC && FB select I2C + select BACKLIGHT_CLASS_DEVICE ---help--- Add support for the OLPC XO DCON controller. This controller is only available on OLPC platforms. Unless you have one of these diff --git a/drivers/staging/rts_pstor/sd.c b/drivers/staging/rts_pstor/sd.c index bddb0312b31e..cdae497d5467 100644 --- a/drivers/staging/rts_pstor/sd.c +++ b/drivers/staging/rts_pstor/sd.c @@ -2328,7 +2328,7 @@ Switch_Fail: retval = sd_send_cmd_get_rsp(chip, IO_SEND_OP_COND, 0, SD_RSP_TYPE_R4, rsp, 5); if (retval == STATUS_SUCCESS) { - int func_num = (rsp[1] >> 4) && 0x07; + int func_num = (rsp[1] >> 4) & 0x07; if (func_num) { RTSX_DEBUGP("SD_IO card (Function number: %d)!\n", func_num); chip->sd_io = 1; diff --git a/drivers/staging/usbip/stub_dev.c b/drivers/staging/usbip/stub_dev.c index 6e99ec87fee0..8cbea42b69bc 100644 --- a/drivers/staging/usbip/stub_dev.c +++ b/drivers/staging/usbip/stub_dev.c @@ -26,6 +26,8 @@ static int stub_probe(struct usb_interface *interface, const struct usb_device_id *id); static void stub_disconnect(struct usb_interface *interface); +static int stub_pre_reset(struct usb_interface *interface); +static int stub_post_reset(struct usb_interface *interface); /* * Define device IDs here if you want to explicitly limit exportable devices. @@ -59,6 +61,8 @@ struct usb_driver stub_driver = { .probe = stub_probe, .disconnect = stub_disconnect, .id_table = stub_table, + .pre_reset = stub_pre_reset, + .post_reset = stub_post_reset, }; /* @@ -541,3 +545,20 @@ static void stub_disconnect(struct usb_interface *interface) del_match_busid((char *)udev_busid); } } + +/* + * Presence of pre_reset and post_reset prevents the driver from being unbound + * when the device is being reset + */ + +int stub_pre_reset(struct usb_interface *interface) +{ + dev_dbg(&interface->dev, "pre_reset\n"); + return 0; +} + +int stub_post_reset(struct usb_interface *interface) +{ + dev_dbg(&interface->dev, "post_reset\n"); + return 0; +} diff --git a/drivers/staging/usbip/stub_rx.c b/drivers/staging/usbip/stub_rx.c index a5c1fa1f0430..bc57844600b9 100644 --- a/drivers/staging/usbip/stub_rx.c +++ b/drivers/staging/usbip/stub_rx.c @@ -175,16 +175,18 @@ static int tweak_reset_device_cmd(struct urb *urb) dev_info(&urb->dev->dev, "usb_queue_reset_device\n"); /* - * usb_lock_device_for_reset caused a deadlock: it causes the driver - * to unbind. In the shutdown the rx thread is signalled to shut down - * but this thread is pending in the usb_lock_device_for_reset. - * - * Instead queue the reset. - * - * Unfortunatly an existing usbip connection will be dropped due to - * driver unbinding. + * With the implementation of pre_reset and post_reset the driver no + * longer unbinds. This allows the use of synchronous reset. */ - usb_queue_reset_device(sdev->interface); + + if (usb_lock_device_for_reset(sdev->udev, sdev->interface)<0) + { + dev_err(&urb->dev->dev, "could not obtain lock to reset device\n"); + return 0; + } + usb_reset_device(sdev->udev); + usb_unlock_device(sdev->udev); + return 0; } diff --git a/drivers/xen/swiotlb-xen.c b/drivers/xen/swiotlb-xen.c index 65ea21a97492..6e8c15a23201 100644 --- a/drivers/xen/swiotlb-xen.c +++ b/drivers/xen/swiotlb-xen.c @@ -147,9 +147,15 @@ void __init xen_swiotlb_init(int verbose) { unsigned long bytes; int rc; - - xen_io_tlb_nslabs = (64 * 1024 * 1024 >> IO_TLB_SHIFT); - xen_io_tlb_nslabs = ALIGN(xen_io_tlb_nslabs, IO_TLB_SEGSIZE); + unsigned long nr_tbl; + + nr_tbl = swioltb_nr_tbl(); + if (nr_tbl) + xen_io_tlb_nslabs = nr_tbl; + else { + xen_io_tlb_nslabs = (64 * 1024 * 1024 >> IO_TLB_SHIFT); + xen_io_tlb_nslabs = ALIGN(xen_io_tlb_nslabs, IO_TLB_SEGSIZE); + } bytes = xen_io_tlb_nslabs << IO_TLB_SHIFT; diff --git a/fs/exec.c b/fs/exec.c index ea5f748906a8..97e0d52d72fd 100644 --- a/fs/exec.c +++ b/fs/exec.c @@ -1093,6 +1093,7 @@ int flush_old_exec(struct linux_binprm * bprm) bprm->mm = NULL; /* We're using it now */ + set_fs(USER_DS); current->flags &= ~(PF_RANDOMIZE | PF_KTHREAD); flush_thread(); current->personality &= ~bprm->per_clear; @@ -1357,10 +1358,6 @@ int search_binary_handler(struct linux_binprm *bprm,struct pt_regs *regs) if (retval) return retval; - /* kernel module loader fixup */ - /* so we don't try to load run modprobe in kernel space. */ - set_fs(USER_DS); - retval = audit_bprm(bprm); if (retval) return retval; diff --git a/include/linux/seqlock.h b/include/linux/seqlock.h index e9811892844f..c6db9fb33c44 100644 --- a/include/linux/seqlock.h +++ b/include/linux/seqlock.h @@ -28,6 +28,7 @@ #include <linux/spinlock.h> #include <linux/preempt.h> +#include <asm/processor.h> typedef struct { unsigned sequence; diff --git a/include/linux/swiotlb.h b/include/linux/swiotlb.h index 8c0e349f4a6c..445702c60d04 100644 --- a/include/linux/swiotlb.h +++ b/include/linux/swiotlb.h @@ -24,6 +24,7 @@ extern int swiotlb_force; extern void swiotlb_init(int verbose); extern void swiotlb_init_with_tbl(char *tlb, unsigned long nslabs, int verbose); +extern unsigned long swioltb_nr_tbl(void); /* * Enumeration for sync targets diff --git a/lib/swiotlb.c b/lib/swiotlb.c index 93ca08b8a451..99093b396145 100644 --- a/lib/swiotlb.c +++ b/lib/swiotlb.c @@ -110,6 +110,11 @@ setup_io_tlb_npages(char *str) __setup("swiotlb=", setup_io_tlb_npages); /* make io_tlb_overflow tunable too? */ +unsigned long swioltb_nr_tbl(void) +{ + return io_tlb_nslabs; +} + /* Note that this doesn't work with highmem page */ static dma_addr_t swiotlb_virt_to_bus(struct device *hwdev, volatile void *address) diff --git a/lib/vsprintf.c b/lib/vsprintf.c index c11205688fb4..4365df31a1d5 100644 --- a/lib/vsprintf.c +++ b/lib/vsprintf.c @@ -666,6 +666,8 @@ char *ip6_compressed_string(char *p, const char *addr) colonpos = i; } } + if (longest == 1) /* don't compress a single 0 */ + colonpos = -1; /* emit address */ for (i = 0; i < range; i++) { @@ -826,7 +828,7 @@ int kptr_restrict __read_mostly; * IPv4 uses dot-separated decimal with leading 0's (010.123.045.006) * - '[Ii]4[hnbl]' IPv4 addresses in host, network, big or little endian order * - 'I6c' for IPv6 addresses printed as specified by - * http://tools.ietf.org/html/draft-ietf-6man-text-addr-representation-00 + * http://tools.ietf.org/html/rfc5952 * - 'U' For a 16 byte UUID/GUID, it prints the UUID/GUID in the form * "xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx" * Options for %pU are: diff --git a/scripts/Makefile.asm-generic b/scripts/Makefile.asm-generic index 490122c3e2aa..40caf3c26cd5 100644 --- a/scripts/Makefile.asm-generic +++ b/scripts/Makefile.asm-generic @@ -17,6 +17,7 @@ quiet_cmd_wrap = WRAP $@ cmd_wrap = echo "\#include <asm-generic/$*.h>" >$@ all: $(patsubst %, $(obj)/%, $(generic-y)) + @: $(obj)/%.h: $(call cmd,wrap) diff --git a/scripts/depmod.sh b/scripts/depmod.sh new file mode 100755 index 000000000000..3b029cba2baf --- /dev/null +++ b/scripts/depmod.sh @@ -0,0 +1,48 @@ +#!/bin/sh +# +# A depmod wrapper used by the toplevel Makefile + +if test $# -ne 2; then + echo "Usage: $0 /sbin/depmod <kernelrelease>" >&2 + exit 1 +fi +DEPMOD=$1 +KERNELRELEASE=$2 + +if ! "$DEPMOD" -V 2>/dev/null | grep -q module-init-tools; then + echo "Warning: you may need to install module-init-tools" >&2 + echo "See http://www.codemonkey.org.uk/docs/post-halloween-2.6.txt" >&2 + sleep 1 +fi + +if ! test -r System.map -a -x "$DEPMOD"; then + exit 0 +fi +# older versions of depmod require the version string to start with three +# numbers, so we cheat with a symlink here +depmod_hack_needed=true +mkdir -p .tmp_depmod/lib/modules/$KERNELRELEASE +if "$DEPMOD" -b .tmp_depmod $KERNELRELEASE 2>/dev/null; then + if test -e .tmp_depmod/lib/modules/$KERNELRELEASE/modules.dep -o \ + -e .tmp_depmod/lib/modules/$KERNELRELEASE/modules.dep.bin; then + depmod_hack_needed=false + fi +fi +if $depmod_hack_needed; then + symlink="$INSTALL_MOD_PATH/lib/modules/99.98.$KERNELRELEASE" + ln -s "$KERNELRELEASE" "$symlink" + KERNELRELEASE=99.98.$KERNELRELEASE +fi + +set -- -ae -F System.map +if test -n "$INSTALL_MOD_PATH"; then + set -- "$@" -b "$INSTALL_MOD_PATH" +fi +"$DEPMOD" "$@" "$KERNELRELEASE" +ret=$? + +if $depmod_hack_needed; then + rm -f "$symlink" +fi + +exit $ret diff --git a/tools/perf/util/PERF-VERSION-GEN b/tools/perf/util/PERF-VERSION-GEN index 26d4d3fd6deb..9c5fb4d93824 100755 --- a/tools/perf/util/PERF-VERSION-GEN +++ b/tools/perf/util/PERF-VERSION-GEN @@ -23,12 +23,7 @@ if test -d ../../.git -o -f ../../.git && then VN=$(echo "$VN" | sed -e 's/-/./g'); else - eval $(grep '^VERSION[[:space:]]*=' ../../Makefile|tr -d ' ') - eval $(grep '^PATCHLEVEL[[:space:]]*=' ../../Makefile|tr -d ' ') - eval $(grep '^SUBLEVEL[[:space:]]*=' ../../Makefile|tr -d ' ') - eval $(grep '^EXTRAVERSION[[:space:]]*=' ../../Makefile|tr -d ' ') - - VN="${VERSION}.${PATCHLEVEL}.${SUBLEVEL}${EXTRAVERSION}" + VN=$(make -sC ../.. kernelversion) fi VN=$(expr "$VN" : v*'\(.*\)') |