diff options
Diffstat (limited to 'arch/sh')
-rw-r--r-- | arch/sh/boards/board-espt.c | 2 | ||||
-rw-r--r-- | arch/sh/boards/mach-ap325rxa/setup.c | 6 | ||||
-rw-r--r-- | arch/sh/boards/mach-ecovec24/setup.c | 6 | ||||
-rw-r--r-- | arch/sh/boards/mach-kfr2r09/lcd_wqvga.c | 16 | ||||
-rw-r--r-- | arch/sh/boards/mach-kfr2r09/setup.c | 7 | ||||
-rw-r--r-- | arch/sh/configs/ecovec24_defconfig | 2 | ||||
-rw-r--r-- | arch/sh/configs/se7724_defconfig | 2 | ||||
-rw-r--r-- | arch/sh/drivers/pci/pci.c | 2 | ||||
-rw-r--r-- | arch/sh/include/asm/Kbuild | 1 | ||||
-rw-r--r-- | arch/sh/include/asm/dma-mapping.h | 1 | ||||
-rw-r--r-- | arch/sh/include/asm/io.h | 2 | ||||
-rw-r--r-- | arch/sh/include/mach-kfr2r09/mach/kfr2r09.h | 6 | ||||
-rw-r--r-- | arch/sh/include/uapi/asm/ioctls.h | 3 | ||||
-rw-r--r-- | arch/sh/kernel/cpu/sh3/setup-sh7720.c | 6 | ||||
-rw-r--r-- | arch/sh/kernel/cpu/sh4a/setup-sh7757.c | 6 | ||||
-rw-r--r-- | arch/sh/kernel/cpu/sh4a/setup-sh7763.c | 6 | ||||
-rw-r--r-- | arch/sh/kernel/cpu/sh4a/setup-sh7786.c | 6 | ||||
-rw-r--r-- | arch/sh/mm/Kconfig | 1 | ||||
-rw-r--r-- | arch/sh/mm/fault.c | 19 | ||||
-rw-r--r-- | arch/sh/mm/mmap.c | 139 |
20 files changed, 71 insertions, 168 deletions
diff --git a/arch/sh/boards/board-espt.c b/arch/sh/boards/board-espt.c index 6cba0a7068bc..d71a0bcf8145 100644 --- a/arch/sh/boards/board-espt.c +++ b/arch/sh/boards/board-espt.c @@ -1,5 +1,5 @@ /* - * Data Technology Inc. ESPT-GIGA board suport + * Data Technology Inc. ESPT-GIGA board support * * Copyright (C) 2008, 2009 Renesas Solutions Corp. * Copyright (C) 2008, 2009 Nobuhiro Iwamatsu <iwamatsu.nobuhiro@renesas.com> diff --git a/arch/sh/boards/mach-ap325rxa/setup.c b/arch/sh/boards/mach-ap325rxa/setup.c index 9e963c1d1447..5620e33c18a0 100644 --- a/arch/sh/boards/mach-ap325rxa/setup.c +++ b/arch/sh/boards/mach-ap325rxa/setup.c @@ -179,11 +179,6 @@ static int ap320_wvga_set_brightness(int brightness) return 0; } -static int ap320_wvga_get_brightness(void) -{ - return gpio_get_value(GPIO_PTS3); -} - static void ap320_wvga_power_on(void) { msleep(100); @@ -232,7 +227,6 @@ static struct sh_mobile_lcdc_info lcdc_info = { .name = "sh_mobile_lcdc_bl", .max_brightness = 1, .set_brightness = ap320_wvga_set_brightness, - .get_brightness = ap320_wvga_get_brightness, }, } }; diff --git a/arch/sh/boards/mach-ecovec24/setup.c b/arch/sh/boards/mach-ecovec24/setup.c index 64559e8af14b..3fede4556c91 100644 --- a/arch/sh/boards/mach-ecovec24/setup.c +++ b/arch/sh/boards/mach-ecovec24/setup.c @@ -329,11 +329,6 @@ static int ecovec24_set_brightness(int brightness) return 0; } -static int ecovec24_get_brightness(void) -{ - return gpio_get_value(GPIO_PTR1); -} - static struct sh_mobile_lcdc_info lcdc_info = { .ch[0] = { .interface_type = RGB18, @@ -347,7 +342,6 @@ static struct sh_mobile_lcdc_info lcdc_info = { .name = "sh_mobile_lcdc_bl", .max_brightness = 1, .set_brightness = ecovec24_set_brightness, - .get_brightness = ecovec24_get_brightness, }, } }; diff --git a/arch/sh/boards/mach-kfr2r09/lcd_wqvga.c b/arch/sh/boards/mach-kfr2r09/lcd_wqvga.c index c148b36ecb65..c62050332629 100644 --- a/arch/sh/boards/mach-kfr2r09/lcd_wqvga.c +++ b/arch/sh/boards/mach-kfr2r09/lcd_wqvga.c @@ -283,7 +283,7 @@ void kfr2r09_lcd_start(void *sohandle, struct sh_mobile_lcdc_sys_bus_ops *so) #define MAIN_MLED4 0x40 #define MAIN_MSW 0x80 -static int kfr2r09_lcd_backlight(int on) +int kfr2r09_lcd_set_brightness(int brightness) { struct i2c_adapter *a; struct i2c_msg msg; @@ -295,7 +295,7 @@ static int kfr2r09_lcd_backlight(int on) return -ENODEV; buf[0] = 0x00; - if (on) + if (brightness) buf[1] = CTRL_CPSW | CTRL_C10 | CTRL_CKSW; else buf[1] = 0; @@ -309,7 +309,7 @@ static int kfr2r09_lcd_backlight(int on) return -ENODEV; buf[0] = 0x01; - if (on) + if (brightness) buf[1] = MAIN_MSW | MAIN_MLED4 | 0x0c; else buf[1] = 0; @@ -324,13 +324,3 @@ static int kfr2r09_lcd_backlight(int on) return 0; } - -void kfr2r09_lcd_on(void) -{ - kfr2r09_lcd_backlight(1); -} - -void kfr2r09_lcd_off(void) -{ - kfr2r09_lcd_backlight(0); -} diff --git a/arch/sh/boards/mach-kfr2r09/setup.c b/arch/sh/boards/mach-kfr2r09/setup.c index f2a4304fbe23..ab502f12ef57 100644 --- a/arch/sh/boards/mach-kfr2r09/setup.c +++ b/arch/sh/boards/mach-kfr2r09/setup.c @@ -158,8 +158,11 @@ static struct sh_mobile_lcdc_info kfr2r09_sh_lcdc_info = { .height = 58, .setup_sys = kfr2r09_lcd_setup, .start_transfer = kfr2r09_lcd_start, - .display_on = kfr2r09_lcd_on, - .display_off = kfr2r09_lcd_off, + }, + .bl_info = { + .name = "sh_mobile_lcdc_bl", + .max_brightness = 1, + .set_brightness = kfr2r09_lcd_set_brightness, }, .sys_bus_cfg = { .ldmt2r = 0x07010904, diff --git a/arch/sh/configs/ecovec24_defconfig b/arch/sh/configs/ecovec24_defconfig index 911e30c9abfd..c6c2becdc8ab 100644 --- a/arch/sh/configs/ecovec24_defconfig +++ b/arch/sh/configs/ecovec24_defconfig @@ -112,7 +112,7 @@ CONFIG_USB_MON=y CONFIG_USB_R8A66597_HCD=y CONFIG_USB_STORAGE=y CONFIG_USB_GADGET=y -CONFIG_USB_FILE_STORAGE=m +CONFIG_USB_MASS_STORAGE=m CONFIG_MMC=y CONFIG_MMC_SPI=y CONFIG_MMC_SDHI=y diff --git a/arch/sh/configs/se7724_defconfig b/arch/sh/configs/se7724_defconfig index ed35093e3758..1faa788aecae 100644 --- a/arch/sh/configs/se7724_defconfig +++ b/arch/sh/configs/se7724_defconfig @@ -109,7 +109,7 @@ CONFIG_USB_STORAGE=y CONFIG_USB_GADGET=y CONFIG_USB_ETH=m CONFIG_USB_GADGETFS=m -CONFIG_USB_FILE_STORAGE=m +CONFIG_USB_MASS_STORAGE=m CONFIG_USB_G_SERIAL=m CONFIG_MMC=y CONFIG_MMC_SPI=y diff --git a/arch/sh/drivers/pci/pci.c b/arch/sh/drivers/pci/pci.c index a7e078f2e2e4..81e5dafed3e4 100644 --- a/arch/sh/drivers/pci/pci.c +++ b/arch/sh/drivers/pci/pci.c @@ -319,7 +319,5 @@ EXPORT_SYMBOL(pci_iounmap); #endif /* CONFIG_GENERIC_IOMAP */ -#ifdef CONFIG_HOTPLUG EXPORT_SYMBOL(PCIBIOS_MIN_IO); EXPORT_SYMBOL(PCIBIOS_MIN_MEM); -#endif diff --git a/arch/sh/include/asm/Kbuild b/arch/sh/include/asm/Kbuild index 29f83beeef7a..280bea9e5e2b 100644 --- a/arch/sh/include/asm/Kbuild +++ b/arch/sh/include/asm/Kbuild @@ -31,5 +31,6 @@ generic-y += socket.h generic-y += statfs.h generic-y += termbits.h generic-y += termios.h +generic-y += trace_clock.h generic-y += ucontext.h generic-y += xor.h diff --git a/arch/sh/include/asm/dma-mapping.h b/arch/sh/include/asm/dma-mapping.h index 8bd965e00a15..b437f2c780b8 100644 --- a/arch/sh/include/asm/dma-mapping.h +++ b/arch/sh/include/asm/dma-mapping.h @@ -46,6 +46,7 @@ static inline int dma_mapping_error(struct device *dev, dma_addr_t dma_addr) { struct dma_map_ops *ops = get_dma_ops(dev); + debug_dma_mapping_error(dev, dma_addr); if (ops->mapping_error) return ops->mapping_error(dev, dma_addr); diff --git a/arch/sh/include/asm/io.h b/arch/sh/include/asm/io.h index 73a23f4617a3..629db2ad7916 100644 --- a/arch/sh/include/asm/io.h +++ b/arch/sh/include/asm/io.h @@ -382,7 +382,7 @@ static inline int iounmap_fixed(void __iomem *addr) { return -EINVAL; } #define xlate_dev_kmem_ptr(p) p #define ARCH_HAS_VALID_PHYS_ADDR_RANGE -int valid_phys_addr_range(unsigned long addr, size_t size); +int valid_phys_addr_range(phys_addr_t addr, size_t size); int valid_mmap_phys_addr_range(unsigned long pfn, size_t size); #endif /* __KERNEL__ */ diff --git a/arch/sh/include/mach-kfr2r09/mach/kfr2r09.h b/arch/sh/include/mach-kfr2r09/mach/kfr2r09.h index ba3d93d333f8..c20c9e5f5eab 100644 --- a/arch/sh/include/mach-kfr2r09/mach/kfr2r09.h +++ b/arch/sh/include/mach-kfr2r09/mach/kfr2r09.h @@ -4,15 +4,13 @@ #include <video/sh_mobile_lcdc.h> #if defined(CONFIG_FB_SH_MOBILE_LCDC) || defined(CONFIG_FB_SH_MOBILE_LCDC_MODULE) -void kfr2r09_lcd_on(void); -void kfr2r09_lcd_off(void); +int kfr2r09_lcd_set_brightness(int brightness); int kfr2r09_lcd_setup(void *sys_ops_handle, struct sh_mobile_lcdc_sys_bus_ops *sys_ops); void kfr2r09_lcd_start(void *sys_ops_handle, struct sh_mobile_lcdc_sys_bus_ops *sys_ops); #else -static void kfr2r09_lcd_on(void) {} -static void kfr2r09_lcd_off(void) {} +static int kfr2r09_lcd_set_brightness(int brightness) {} static int kfr2r09_lcd_setup(void *sys_ops_handle, struct sh_mobile_lcdc_sys_bus_ops *sys_ops) { diff --git a/arch/sh/include/uapi/asm/ioctls.h b/arch/sh/include/uapi/asm/ioctls.h index a6769f352bf6..342241079760 100644 --- a/arch/sh/include/uapi/asm/ioctls.h +++ b/arch/sh/include/uapi/asm/ioctls.h @@ -88,6 +88,9 @@ #define TIOCGDEV _IOR('T',0x32, unsigned int) /* Get primary device node of /dev/console */ #define TIOCSIG _IOW('T',0x36, int) /* Generate signal on Pty slave */ #define TIOCVHANGUP _IO('T', 0x37) +#define TIOCGPKT _IOR('T', 0x38, int) /* Get packet mode state */ +#define TIOCGPTLCK _IOR('T', 0x39, int) /* Get Pty lock state */ +#define TIOCGEXCL _IOR('T', 0x40, int) /* Get exclusive mode state */ #define TIOCSERCONFIG _IO('T', 83) /* 0x5453 */ #define TIOCSERGWILD _IOR('T', 84, int) /* 0x5454 */ diff --git a/arch/sh/kernel/cpu/sh3/setup-sh7720.c b/arch/sh/kernel/cpu/sh3/setup-sh7720.c index 0c2f1b2c2e19..42d991f632b1 100644 --- a/arch/sh/kernel/cpu/sh3/setup-sh7720.c +++ b/arch/sh/kernel/cpu/sh3/setup-sh7720.c @@ -20,6 +20,7 @@ #include <linux/serial_sci.h> #include <linux/sh_timer.h> #include <linux/sh_intc.h> +#include <linux/usb/ohci_pdriver.h> #include <asm/rtc.h> #include <cpu/serial.h> @@ -103,12 +104,15 @@ static struct resource usb_ohci_resources[] = { static u64 usb_ohci_dma_mask = 0xffffffffUL; +static struct usb_ohci_pdata usb_ohci_pdata; + static struct platform_device usb_ohci_device = { - .name = "sh_ohci", + .name = "ohci-platform", .id = -1, .dev = { .dma_mask = &usb_ohci_dma_mask, .coherent_dma_mask = 0xffffffff, + .platform_data = &usb_ohci_pdata, }, .num_resources = ARRAY_SIZE(usb_ohci_resources), .resource = usb_ohci_resources, diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7757.c b/arch/sh/kernel/cpu/sh4a/setup-sh7757.c index 4a2f357f4df8..9079a0f9ea9b 100644 --- a/arch/sh/kernel/cpu/sh4a/setup-sh7757.c +++ b/arch/sh/kernel/cpu/sh4a/setup-sh7757.c @@ -19,6 +19,7 @@ #include <linux/sh_timer.h> #include <linux/sh_dma.h> #include <linux/sh_intc.h> +#include <linux/usb/ohci_pdriver.h> #include <cpu/dma-register.h> #include <cpu/sh7757.h> @@ -750,12 +751,15 @@ static struct resource usb_ohci_resources[] = { }, }; +static struct usb_ohci_pdata usb_ohci_pdata; + static struct platform_device usb_ohci_device = { - .name = "sh_ohci", + .name = "ohci-platform", .id = -1, .dev = { .dma_mask = &usb_ohci_device.dev.coherent_dma_mask, .coherent_dma_mask = DMA_BIT_MASK(32), + .platform_data = &usb_ohci_pdata, }, .num_resources = ARRAY_SIZE(usb_ohci_resources), .resource = usb_ohci_resources, diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7763.c b/arch/sh/kernel/cpu/sh4a/setup-sh7763.c index bd0a8fbe610f..1686acaaf45a 100644 --- a/arch/sh/kernel/cpu/sh4a/setup-sh7763.c +++ b/arch/sh/kernel/cpu/sh4a/setup-sh7763.c @@ -16,6 +16,7 @@ #include <linux/sh_intc.h> #include <linux/io.h> #include <linux/serial_sci.h> +#include <linux/usb/ohci_pdriver.h> static struct plat_sci_port scif0_platform_data = { .mapbase = 0xffe00000, @@ -106,12 +107,15 @@ static struct resource usb_ohci_resources[] = { static u64 usb_ohci_dma_mask = 0xffffffffUL; +static struct usb_ohci_pdata usb_ohci_pdata; + static struct platform_device usb_ohci_device = { - .name = "sh_ohci", + .name = "ohci-platform", .id = -1, .dev = { .dma_mask = &usb_ohci_dma_mask, .coherent_dma_mask = 0xffffffff, + .platform_data = &usb_ohci_pdata, }, .num_resources = ARRAY_SIZE(usb_ohci_resources), .resource = usb_ohci_resources, diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7786.c b/arch/sh/kernel/cpu/sh4a/setup-sh7786.c index 2e6952f87848..ab52d4d4484d 100644 --- a/arch/sh/kernel/cpu/sh4a/setup-sh7786.c +++ b/arch/sh/kernel/cpu/sh4a/setup-sh7786.c @@ -23,6 +23,7 @@ #include <linux/sh_timer.h> #include <linux/sh_dma.h> #include <linux/sh_intc.h> +#include <linux/usb/ohci_pdriver.h> #include <cpu/dma-register.h> #include <asm/mmzone.h> @@ -583,12 +584,15 @@ static struct resource usb_ohci_resources[] = { }, }; +static struct usb_ohci_pdata usb_ohci_pdata; + static struct platform_device usb_ohci_device = { - .name = "sh_ohci", + .name = "ohci-platform", .id = -1, .dev = { .dma_mask = &usb_ohci_device.dev.coherent_dma_mask, .coherent_dma_mask = DMA_BIT_MASK(32), + .platform_data = &usb_ohci_pdata, }, .num_resources = ARRAY_SIZE(usb_ohci_resources), .resource = usb_ohci_resources, diff --git a/arch/sh/mm/Kconfig b/arch/sh/mm/Kconfig index cb8f9920f4dd..0f7c852f355c 100644 --- a/arch/sh/mm/Kconfig +++ b/arch/sh/mm/Kconfig @@ -111,6 +111,7 @@ config VSYSCALL config NUMA bool "Non Uniform Memory Access (NUMA) Support" depends on MMU && SYS_SUPPORTS_NUMA && EXPERIMENTAL + select ARCH_WANT_NUMA_VARIABLE_LOCALITY default n help Some SH systems have many various memories scattered around diff --git a/arch/sh/mm/fault.c b/arch/sh/mm/fault.c index cbbdcad8fcb3..1f49c28affa9 100644 --- a/arch/sh/mm/fault.c +++ b/arch/sh/mm/fault.c @@ -301,17 +301,6 @@ bad_area_access_error(struct pt_regs *regs, unsigned long error_code, __bad_area(regs, error_code, address, SEGV_ACCERR); } -static void out_of_memory(void) -{ - /* - * We ran out of memory, call the OOM killer, and return the userspace - * (which will retry the fault, or kill us if we got oom-killed): - */ - up_read(¤t->mm->mmap_sem); - - pagefault_out_of_memory(); -} - static void do_sigbus(struct pt_regs *regs, unsigned long error_code, unsigned long address) { @@ -353,8 +342,14 @@ mm_fault_error(struct pt_regs *regs, unsigned long error_code, no_context(regs, error_code, address); return 1; } + up_read(¤t->mm->mmap_sem); - out_of_memory(); + /* + * We ran out of memory, call the OOM killer, and return the + * userspace (which will retry the fault, or kill us if we got + * oom-killed): + */ + pagefault_out_of_memory(); } else { if (fault & VM_FAULT_SIGBUS) do_sigbus(regs, error_code, address); diff --git a/arch/sh/mm/mmap.c b/arch/sh/mm/mmap.c index afeb710ec5c3..6777177807c2 100644 --- a/arch/sh/mm/mmap.c +++ b/arch/sh/mm/mmap.c @@ -30,25 +30,13 @@ static inline unsigned long COLOUR_ALIGN(unsigned long addr, return base + off; } -static inline unsigned long COLOUR_ALIGN_DOWN(unsigned long addr, - unsigned long pgoff) -{ - unsigned long base = addr & ~shm_align_mask; - unsigned long off = (pgoff << PAGE_SHIFT) & shm_align_mask; - - if (base + off <= addr) - return base + off; - - return base - off; -} - unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr, unsigned long len, unsigned long pgoff, unsigned long flags) { struct mm_struct *mm = current->mm; struct vm_area_struct *vma; - unsigned long start_addr; int do_colour_align; + struct vm_unmapped_area_info info; if (flags & MAP_FIXED) { /* We do not accept a shared mapping if it would violate @@ -79,47 +67,13 @@ unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr, return addr; } - if (len > mm->cached_hole_size) { - start_addr = addr = mm->free_area_cache; - } else { - mm->cached_hole_size = 0; - start_addr = addr = TASK_UNMAPPED_BASE; - } - -full_search: - if (do_colour_align) - addr = COLOUR_ALIGN(addr, pgoff); - else - addr = PAGE_ALIGN(mm->free_area_cache); - - for (vma = find_vma(mm, addr); ; vma = vma->vm_next) { - /* At this point: (!vma || addr < vma->vm_end). */ - if (unlikely(TASK_SIZE - len < addr)) { - /* - * Start a new search - just in case we missed - * some holes. - */ - if (start_addr != TASK_UNMAPPED_BASE) { - start_addr = addr = TASK_UNMAPPED_BASE; - mm->cached_hole_size = 0; - goto full_search; - } - return -ENOMEM; - } - if (likely(!vma || addr + len <= vma->vm_start)) { - /* - * Remember the place where we stopped the search: - */ - mm->free_area_cache = addr + len; - return addr; - } - if (addr + mm->cached_hole_size < vma->vm_start) - mm->cached_hole_size = vma->vm_start - addr; - - addr = vma->vm_end; - if (do_colour_align) - addr = COLOUR_ALIGN(addr, pgoff); - } + info.flags = 0; + info.length = len; + info.low_limit = TASK_UNMAPPED_BASE; + info.high_limit = TASK_SIZE; + info.align_mask = do_colour_align ? (PAGE_MASK & shm_align_mask) : 0; + info.align_offset = pgoff << PAGE_SHIFT; + return vm_unmapped_area(&info); } unsigned long @@ -131,6 +85,7 @@ arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0, struct mm_struct *mm = current->mm; unsigned long addr = addr0; int do_colour_align; + struct vm_unmapped_area_info info; if (flags & MAP_FIXED) { /* We do not accept a shared mapping if it would violate @@ -162,73 +117,27 @@ arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0, return addr; } - /* check if free_area_cache is useful for us */ - if (len <= mm->cached_hole_size) { - mm->cached_hole_size = 0; - mm->free_area_cache = mm->mmap_base; - } - - /* either no address requested or can't fit in requested address hole */ - addr = mm->free_area_cache; - if (do_colour_align) { - unsigned long base = COLOUR_ALIGN_DOWN(addr-len, pgoff); + info.flags = VM_UNMAPPED_AREA_TOPDOWN; + info.length = len; + info.low_limit = PAGE_SIZE; + info.high_limit = mm->mmap_base; + info.align_mask = do_colour_align ? (PAGE_MASK & shm_align_mask) : 0; + info.align_offset = pgoff << PAGE_SHIFT; + addr = vm_unmapped_area(&info); - addr = base + len; - } - - /* make sure it can fit in the remaining address space */ - if (likely(addr > len)) { - vma = find_vma(mm, addr-len); - if (!vma || addr <= vma->vm_start) { - /* remember the address as a hint for next time */ - return (mm->free_area_cache = addr-len); - } - } - - if (unlikely(mm->mmap_base < len)) - goto bottomup; - - addr = mm->mmap_base-len; - if (do_colour_align) - addr = COLOUR_ALIGN_DOWN(addr, pgoff); - - do { - /* - * Lookup failure means no vma is above this address, - * else if new region fits below vma->vm_start, - * return with success: - */ - vma = find_vma(mm, addr); - if (likely(!vma || addr+len <= vma->vm_start)) { - /* remember the address as a hint for next time */ - return (mm->free_area_cache = addr); - } - - /* remember the largest hole we saw so far */ - if (addr + mm->cached_hole_size < vma->vm_start) - mm->cached_hole_size = vma->vm_start - addr; - - /* try just below the current vma->vm_start */ - addr = vma->vm_start-len; - if (do_colour_align) - addr = COLOUR_ALIGN_DOWN(addr, pgoff); - } while (likely(len < vma->vm_start)); - -bottomup: /* * A failed mmap() very likely causes application failure, * so fall back to the bottom-up function here. This scenario * can happen with large stack limits and large mmap() * allocations. */ - mm->cached_hole_size = ~0UL; - mm->free_area_cache = TASK_UNMAPPED_BASE; - addr = arch_get_unmapped_area(filp, addr0, len, pgoff, flags); - /* - * Restore the topdown base: - */ - mm->free_area_cache = mm->mmap_base; - mm->cached_hole_size = ~0UL; + if (addr & ~PAGE_MASK) { + VM_BUG_ON(addr != -ENOMEM); + info.flags = 0; + info.low_limit = TASK_UNMAPPED_BASE; + info.high_limit = TASK_SIZE; + addr = vm_unmapped_area(&info); + } return addr; } @@ -238,7 +147,7 @@ bottomup: * You really shouldn't be using read() or write() on /dev/mem. This * might go away in the future. */ -int valid_phys_addr_range(unsigned long addr, size_t count) +int valid_phys_addr_range(phys_addr_t addr, size_t count) { if (addr < __MEMORY_START) return 0; |