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-rw-r--r--arch/mips/Kconfig7
-rw-r--r--arch/mips/alchemy/devboards/db1200.c14
-rw-r--r--arch/mips/alchemy/devboards/db1300.c14
-rw-r--r--arch/mips/alchemy/devboards/db1550.c14
-rw-r--r--arch/mips/boot/dts/ingenic/jz4740.dtsi15
-rw-r--r--arch/mips/boot/dts/ingenic/jz4770.dtsi30
-rw-r--r--arch/mips/boot/dts/ingenic/jz4780.dtsi3
-rw-r--r--arch/mips/boot/dts/mscc/ocelot.dtsi19
-rw-r--r--arch/mips/include/asm/Kbuild1
-rw-r--r--arch/mips/include/asm/compat.h28
-rw-r--r--arch/mips/include/asm/device.h19
-rw-r--r--arch/mips/include/asm/dma-coherence.h6
-rw-r--r--arch/mips/include/asm/dma-mapping.h4
-rw-r--r--arch/mips/include/asm/kvm_host.h1
-rw-r--r--arch/mips/include/asm/mach-lantiq/xway/xway_dma.h1
-rw-r--r--arch/mips/include/asm/processor.h10
-rw-r--r--arch/mips/include/asm/unistd.h3
-rw-r--r--arch/mips/include/asm/vr41xx/giu.h8
-rw-r--r--arch/mips/include/uapi/asm/siginfo.h11
-rw-r--r--arch/mips/jazz/jazzdma.c7
-rw-r--r--arch/mips/kernel/binfmt_elfn32.c14
-rw-r--r--arch/mips/kernel/binfmt_elfo32.c14
-rw-r--r--arch/mips/kernel/process.c25
-rw-r--r--arch/mips/kernel/setup.c50
-rw-r--r--arch/mips/kernel/vdso.c38
-rw-r--r--arch/mips/kvm/mmu.c10
-rw-r--r--arch/mips/lantiq/xway/dma.c5
-rw-r--r--arch/mips/lantiq/xway/sysctrl.c14
-rw-r--r--arch/mips/lib/memset.S4
-rw-r--r--arch/mips/mm/c-r4k.c17
-rw-r--r--arch/mips/mm/dma-noncoherent.c79
-rw-r--r--arch/mips/netlogic/xlr/platform-flash.c7
-rw-r--r--arch/mips/pnx833x/common/platform.c8
-rw-r--r--arch/mips/rb532/devices.c10
34 files changed, 258 insertions, 252 deletions
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index 35511999156a..77c022e56e6e 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -1106,21 +1106,22 @@ config ARCH_SUPPORTS_UPROBES
bool
config DMA_MAYBE_COHERENT
+ select ARCH_HAS_DMA_COHERENCE_H
select DMA_NONCOHERENT
bool
config DMA_PERDEV_COHERENT
bool
- select DMA_MAYBE_COHERENT
+ select DMA_NONCOHERENT
config DMA_NONCOHERENT
bool
+ select ARCH_HAS_DMA_MMAP_PGPROT
select ARCH_HAS_SYNC_DMA_FOR_DEVICE
select ARCH_HAS_SYNC_DMA_FOR_CPU
select NEED_DMA_MAP_STATE
- select DMA_NONCOHERENT_MMAP
+ select ARCH_HAS_DMA_COHERENT_TO_PFN
select DMA_NONCOHERENT_CACHE_SYNC
- select DMA_NONCOHERENT_OPS
config SYS_HAS_EARLY_PRINTK
bool
diff --git a/arch/mips/alchemy/devboards/db1200.c b/arch/mips/alchemy/devboards/db1200.c
index da7663770425..4bf02f96ab7f 100644
--- a/arch/mips/alchemy/devboards/db1200.c
+++ b/arch/mips/alchemy/devboards/db1200.c
@@ -29,8 +29,7 @@
#include <linux/leds.h>
#include <linux/mmc/host.h>
#include <linux/mtd/mtd.h>
-#include <linux/mtd/rawnand.h>
-#include <linux/mtd/partitions.h>
+#include <linux/mtd/platnand.h>
#include <linux/platform_device.h>
#include <linux/serial_8250.h>
#include <linux/spi/spi.h>
@@ -197,11 +196,10 @@ static struct i2c_board_info db1200_i2c_devs[] __initdata = {
/**********************************************************************/
-static void au1200_nand_cmd_ctrl(struct mtd_info *mtd, int cmd,
+static void au1200_nand_cmd_ctrl(struct nand_chip *this, int cmd,
unsigned int ctrl)
{
- struct nand_chip *this = mtd_to_nand(mtd);
- unsigned long ioaddr = (unsigned long)this->IO_ADDR_W;
+ unsigned long ioaddr = (unsigned long)this->legacy.IO_ADDR_W;
ioaddr &= 0xffffff00;
@@ -213,14 +211,14 @@ static void au1200_nand_cmd_ctrl(struct mtd_info *mtd, int cmd,
/* assume we want to r/w real data by default */
ioaddr += MEM_STNAND_DATA;
}
- this->IO_ADDR_R = this->IO_ADDR_W = (void __iomem *)ioaddr;
+ this->legacy.IO_ADDR_R = this->legacy.IO_ADDR_W = (void __iomem *)ioaddr;
if (cmd != NAND_CMD_NONE) {
- __raw_writeb(cmd, this->IO_ADDR_W);
+ __raw_writeb(cmd, this->legacy.IO_ADDR_W);
wmb();
}
}
-static int au1200_nand_device_ready(struct mtd_info *mtd)
+static int au1200_nand_device_ready(struct nand_chip *this)
{
return alchemy_rdsmem(AU1000_MEM_STSTAT) & 1;
}
diff --git a/arch/mips/alchemy/devboards/db1300.c b/arch/mips/alchemy/devboards/db1300.c
index efb318e03e0a..ad7dd8e89598 100644
--- a/arch/mips/alchemy/devboards/db1300.c
+++ b/arch/mips/alchemy/devboards/db1300.c
@@ -19,8 +19,7 @@
#include <linux/mmc/host.h>
#include <linux/module.h>
#include <linux/mtd/mtd.h>
-#include <linux/mtd/rawnand.h>
-#include <linux/mtd/partitions.h>
+#include <linux/mtd/platnand.h>
#include <linux/platform_device.h>
#include <linux/smsc911x.h>
#include <linux/wm97xx.h>
@@ -149,11 +148,10 @@ static void __init db1300_gpio_config(void)
/**********************************************************************/
-static void au1300_nand_cmd_ctrl(struct mtd_info *mtd, int cmd,
+static void au1300_nand_cmd_ctrl(struct nand_chip *this, int cmd,
unsigned int ctrl)
{
- struct nand_chip *this = mtd_to_nand(mtd);
- unsigned long ioaddr = (unsigned long)this->IO_ADDR_W;
+ unsigned long ioaddr = (unsigned long)this->legacy.IO_ADDR_W;
ioaddr &= 0xffffff00;
@@ -165,14 +163,14 @@ static void au1300_nand_cmd_ctrl(struct mtd_info *mtd, int cmd,
/* assume we want to r/w real data by default */
ioaddr += MEM_STNAND_DATA;
}
- this->IO_ADDR_R = this->IO_ADDR_W = (void __iomem *)ioaddr;
+ this->legacy.IO_ADDR_R = this->legacy.IO_ADDR_W = (void __iomem *)ioaddr;
if (cmd != NAND_CMD_NONE) {
- __raw_writeb(cmd, this->IO_ADDR_W);
+ __raw_writeb(cmd, this->legacy.IO_ADDR_W);
wmb();
}
}
-static int au1300_nand_device_ready(struct mtd_info *mtd)
+static int au1300_nand_device_ready(struct nand_chip *this)
{
return alchemy_rdsmem(AU1000_MEM_STSTAT) & 1;
}
diff --git a/arch/mips/alchemy/devboards/db1550.c b/arch/mips/alchemy/devboards/db1550.c
index 7d3dfaa10231..7700ad0b93b4 100644
--- a/arch/mips/alchemy/devboards/db1550.c
+++ b/arch/mips/alchemy/devboards/db1550.c
@@ -13,8 +13,7 @@
#include <linux/io.h>
#include <linux/interrupt.h>
#include <linux/mtd/mtd.h>
-#include <linux/mtd/rawnand.h>
-#include <linux/mtd/partitions.h>
+#include <linux/mtd/platnand.h>
#include <linux/platform_device.h>
#include <linux/pm.h>
#include <linux/spi/spi.h>
@@ -126,11 +125,10 @@ static struct i2c_board_info db1550_i2c_devs[] __initdata = {
/**********************************************************************/
-static void au1550_nand_cmd_ctrl(struct mtd_info *mtd, int cmd,
+static void au1550_nand_cmd_ctrl(struct nand_chip *this, int cmd,
unsigned int ctrl)
{
- struct nand_chip *this = mtd_to_nand(mtd);
- unsigned long ioaddr = (unsigned long)this->IO_ADDR_W;
+ unsigned long ioaddr = (unsigned long)this->legacy.IO_ADDR_W;
ioaddr &= 0xffffff00;
@@ -142,14 +140,14 @@ static void au1550_nand_cmd_ctrl(struct mtd_info *mtd, int cmd,
/* assume we want to r/w real data by default */
ioaddr += MEM_STNAND_DATA;
}
- this->IO_ADDR_R = this->IO_ADDR_W = (void __iomem *)ioaddr;
+ this->legacy.IO_ADDR_R = this->legacy.IO_ADDR_W = (void __iomem *)ioaddr;
if (cmd != NAND_CMD_NONE) {
- __raw_writeb(cmd, this->IO_ADDR_W);
+ __raw_writeb(cmd, this->legacy.IO_ADDR_W);
wmb();
}
}
-static int au1550_nand_device_ready(struct mtd_info *mtd)
+static int au1550_nand_device_ready(struct nand_chip *this)
{
return alchemy_rdsmem(AU1000_MEM_STSTAT) & 1;
}
diff --git a/arch/mips/boot/dts/ingenic/jz4740.dtsi b/arch/mips/boot/dts/ingenic/jz4740.dtsi
index 26c6b561d6f7..6fb16fd24035 100644
--- a/arch/mips/boot/dts/ingenic/jz4740.dtsi
+++ b/arch/mips/boot/dts/ingenic/jz4740.dtsi
@@ -154,6 +154,21 @@
clock-names = "baud", "module";
};
+ dmac: dma-controller@13020000 {
+ compatible = "ingenic,jz4740-dma";
+ reg = <0x13020000 0xbc
+ 0x13020300 0x14>;
+ #dma-cells = <2>;
+
+ interrupt-parent = <&intc>;
+ interrupts = <29>;
+
+ clocks = <&cgu JZ4740_CLK_DMA>;
+
+ /* Disable dmac until we have something that uses it */
+ status = "disabled";
+ };
+
uhc: uhc@13030000 {
compatible = "ingenic,jz4740-ohci", "generic-ohci";
reg = <0x13030000 0x1000>;
diff --git a/arch/mips/boot/dts/ingenic/jz4770.dtsi b/arch/mips/boot/dts/ingenic/jz4770.dtsi
index 7c2804f3f5f1..49ede6c14ff3 100644
--- a/arch/mips/boot/dts/ingenic/jz4770.dtsi
+++ b/arch/mips/boot/dts/ingenic/jz4770.dtsi
@@ -196,6 +196,36 @@
status = "disabled";
};
+ dmac0: dma-controller@13420000 {
+ compatible = "ingenic,jz4770-dma";
+ reg = <0x13420000 0xC0
+ 0x13420300 0x20>;
+
+ #dma-cells = <1>;
+
+ clocks = <&cgu JZ4770_CLK_DMA>;
+ interrupt-parent = <&intc>;
+ interrupts = <24>;
+
+ /* Disable dmac0 until we have something that uses it */
+ status = "disabled";
+ };
+
+ dmac1: dma-controller@13420100 {
+ compatible = "ingenic,jz4770-dma";
+ reg = <0x13420100 0xC0
+ 0x13420400 0x20>;
+
+ #dma-cells = <1>;
+
+ clocks = <&cgu JZ4770_CLK_DMA>;
+ interrupt-parent = <&intc>;
+ interrupts = <23>;
+
+ /* Disable dmac1 until we have something that uses it */
+ status = "disabled";
+ };
+
uhc: uhc@13430000 {
compatible = "generic-ohci";
reg = <0x13430000 0x1000>;
diff --git a/arch/mips/boot/dts/ingenic/jz4780.dtsi b/arch/mips/boot/dts/ingenic/jz4780.dtsi
index ce93d57f1b4d..b03cdec56de9 100644
--- a/arch/mips/boot/dts/ingenic/jz4780.dtsi
+++ b/arch/mips/boot/dts/ingenic/jz4780.dtsi
@@ -266,7 +266,8 @@
dma: dma@13420000 {
compatible = "ingenic,jz4780-dma";
- reg = <0x13420000 0x10000>;
+ reg = <0x13420000 0x400
+ 0x13421000 0x40>;
#dma-cells = <2>;
interrupt-parent = <&intc>;
diff --git a/arch/mips/boot/dts/mscc/ocelot.dtsi b/arch/mips/boot/dts/mscc/ocelot.dtsi
index f7eb612b46ba..8ce317c5b9ed 100644
--- a/arch/mips/boot/dts/mscc/ocelot.dtsi
+++ b/arch/mips/boot/dts/mscc/ocelot.dtsi
@@ -107,7 +107,6 @@
reg = <0x1010000 0x10000>,
<0x1030000 0x10000>,
<0x1080000 0x100>,
- <0x10d0000 0x10000>,
<0x11e0000 0x100>,
<0x11f0000 0x100>,
<0x1200000 0x100>,
@@ -121,10 +120,10 @@
<0x1280000 0x100>,
<0x1800000 0x80000>,
<0x1880000 0x10000>;
- reg-names = "sys", "rew", "qs", "hsio", "port0",
- "port1", "port2", "port3", "port4", "port5",
- "port6", "port7", "port8", "port9", "port10",
- "qsys", "ana";
+ reg-names = "sys", "rew", "qs", "port0", "port1",
+ "port2", "port3", "port4", "port5", "port6",
+ "port7", "port8", "port9", "port10", "qsys",
+ "ana";
interrupts = <21 22>;
interrupt-names = "xtr", "inj";
@@ -231,5 +230,15 @@
pinctrl-0 = <&miim1>;
status = "disabled";
};
+
+ hsio: syscon@10d0000 {
+ compatible = "mscc,ocelot-hsio", "syscon", "simple-mfd";
+ reg = <0x10d0000 0x10000>;
+
+ serdes: serdes {
+ compatible = "mscc,vsc7514-serdes";
+ #phy-cells = <2>;
+ };
+ };
};
};
diff --git a/arch/mips/include/asm/Kbuild b/arch/mips/include/asm/Kbuild
index 58351e48421e..9a81e72119da 100644
--- a/arch/mips/include/asm/Kbuild
+++ b/arch/mips/include/asm/Kbuild
@@ -1,6 +1,7 @@
# MIPS headers
generic-(CONFIG_GENERIC_CSUM) += checksum.h
generic-y += current.h
+generic-y += device.h
generic-y += dma-contiguous.h
generic-y += emergency-restart.h
generic-y += export.h
diff --git a/arch/mips/include/asm/compat.h b/arch/mips/include/asm/compat.h
index 78675f19440f..c99166eadbde 100644
--- a/arch/mips/include/asm/compat.h
+++ b/arch/mips/include/asm/compat.h
@@ -9,43 +9,25 @@
#include <asm/page.h>
#include <asm/ptrace.h>
+#include <asm-generic/compat.h>
+
#define COMPAT_USER_HZ 100
#define COMPAT_UTS_MACHINE "mips\0\0\0"
-typedef u32 compat_size_t;
-typedef s32 compat_ssize_t;
-typedef s32 compat_clock_t;
-typedef s32 compat_suseconds_t;
-
-typedef s32 compat_pid_t;
typedef s32 __compat_uid_t;
typedef s32 __compat_gid_t;
typedef __compat_uid_t __compat_uid32_t;
typedef __compat_gid_t __compat_gid32_t;
typedef u32 compat_mode_t;
-typedef u32 compat_ino_t;
typedef u32 compat_dev_t;
-typedef s32 compat_off_t;
-typedef s64 compat_loff_t;
typedef u32 compat_nlink_t;
typedef s32 compat_ipc_pid_t;
-typedef s32 compat_daddr_t;
typedef s32 compat_caddr_t;
typedef struct {
s32 val[2];
} compat_fsid_t;
-typedef s32 compat_timer_t;
-typedef s32 compat_key_t;
-
-typedef s16 compat_short_t;
-typedef s32 compat_int_t;
-typedef s32 compat_long_t;
typedef s64 compat_s64;
-typedef u16 compat_ushort_t;
-typedef u32 compat_uint_t;
-typedef u32 compat_ulong_t;
typedef u64 compat_u64;
-typedef u32 compat_uptr_t;
struct compat_stat {
compat_dev_t st_dev;
@@ -59,11 +41,11 @@ struct compat_stat {
s32 st_pad2[2];
compat_off_t st_size;
s32 st_pad3;
- compat_time_t st_atime;
+ old_time32_t st_atime;
s32 st_atime_nsec;
- compat_time_t st_mtime;
+ old_time32_t st_mtime;
s32 st_mtime_nsec;
- compat_time_t st_ctime;
+ old_time32_t st_ctime;
s32 st_ctime_nsec;
s32 st_blksize;
s32 st_blocks;
diff --git a/arch/mips/include/asm/device.h b/arch/mips/include/asm/device.h
deleted file mode 100644
index 6aa796f1081a..000000000000
--- a/arch/mips/include/asm/device.h
+++ /dev/null
@@ -1,19 +0,0 @@
-/*
- * Arch specific extensions to struct device
- *
- * This file is released under the GPLv2
- */
-#ifndef _ASM_MIPS_DEVICE_H
-#define _ASM_MIPS_DEVICE_H
-
-struct dev_archdata {
-#ifdef CONFIG_DMA_PERDEV_COHERENT
- /* Non-zero if DMA is coherent with CPU caches */
- bool dma_coherent;
-#endif
-};
-
-struct pdev_archdata {
-};
-
-#endif /* _ASM_MIPS_DEVICE_H*/
diff --git a/arch/mips/include/asm/dma-coherence.h b/arch/mips/include/asm/dma-coherence.h
index 8eda48748ed5..5eaa1fcc878a 100644
--- a/arch/mips/include/asm/dma-coherence.h
+++ b/arch/mips/include/asm/dma-coherence.h
@@ -20,6 +20,12 @@ enum coherent_io_user_state {
#elif defined(CONFIG_DMA_MAYBE_COHERENT)
extern enum coherent_io_user_state coherentio;
extern int hw_coherentio;
+
+static inline bool dev_is_dma_coherent(struct device *dev)
+{
+ return coherentio == IO_COHERENCE_ENABLED ||
+ (coherentio == IO_COHERENCE_DEFAULT && hw_coherentio);
+}
#else
#ifdef CONFIG_DMA_NONCOHERENT
#define coherentio IO_COHERENCE_DISABLED
diff --git a/arch/mips/include/asm/dma-mapping.h b/arch/mips/include/asm/dma-mapping.h
index e81c4e97ff1a..b4c477eb46ce 100644
--- a/arch/mips/include/asm/dma-mapping.h
+++ b/arch/mips/include/asm/dma-mapping.h
@@ -12,8 +12,6 @@ static inline const struct dma_map_ops *get_arch_dma_ops(struct bus_type *bus)
return &jazz_dma_ops;
#elif defined(CONFIG_SWIOTLB)
return &swiotlb_dma_ops;
-#elif defined(CONFIG_DMA_NONCOHERENT_OPS)
- return &dma_noncoherent_ops;
#else
return &dma_direct_ops;
#endif
@@ -25,7 +23,7 @@ static inline void arch_setup_dma_ops(struct device *dev, u64 dma_base,
bool coherent)
{
#ifdef CONFIG_DMA_PERDEV_COHERENT
- dev->archdata.dma_coherent = coherent;
+ dev->dma_coherent = coherent;
#endif
}
diff --git a/arch/mips/include/asm/kvm_host.h b/arch/mips/include/asm/kvm_host.h
index a9af1d2dcd69..2c1c53d12179 100644
--- a/arch/mips/include/asm/kvm_host.h
+++ b/arch/mips/include/asm/kvm_host.h
@@ -931,7 +931,6 @@ enum kvm_mips_fault_result kvm_trap_emul_gva_fault(struct kvm_vcpu *vcpu,
bool write);
#define KVM_ARCH_WANT_MMU_NOTIFIER
-int kvm_unmap_hva(struct kvm *kvm, unsigned long hva);
int kvm_unmap_hva_range(struct kvm *kvm,
unsigned long start, unsigned long end);
void kvm_set_spte_hva(struct kvm *kvm, unsigned long hva, pte_t pte);
diff --git a/arch/mips/include/asm/mach-lantiq/xway/xway_dma.h b/arch/mips/include/asm/mach-lantiq/xway/xway_dma.h
index 4901833498f7..8441b2698e64 100644
--- a/arch/mips/include/asm/mach-lantiq/xway/xway_dma.h
+++ b/arch/mips/include/asm/mach-lantiq/xway/xway_dma.h
@@ -40,6 +40,7 @@ struct ltq_dma_channel {
int desc; /* the current descriptor */
struct ltq_dma_desc *desc_base; /* the descriptor base */
int phys; /* physical addr */
+ struct device *dev;
};
enum {
diff --git a/arch/mips/include/asm/processor.h b/arch/mips/include/asm/processor.h
index b2fa62922d88..49d6046ca1d0 100644
--- a/arch/mips/include/asm/processor.h
+++ b/arch/mips/include/asm/processor.h
@@ -13,6 +13,7 @@
#include <linux/atomic.h>
#include <linux/cpumask.h>
+#include <linux/sizes.h>
#include <linux/threads.h>
#include <asm/cachectl.h>
@@ -80,11 +81,10 @@ extern unsigned int vced_count, vcei_count;
#endif
-/*
- * One page above the stack is used for branch delay slot "emulation".
- * See dsemul.c for details.
- */
-#define STACK_TOP ((TASK_SIZE & PAGE_MASK) - PAGE_SIZE)
+#define VDSO_RANDOMIZE_SIZE (TASK_IS_32BIT_ADDR ? SZ_1M : SZ_256M)
+
+extern unsigned long mips_stack_top(void);
+#define STACK_TOP mips_stack_top()
/*
* This decides where the kernel will search for a free chunk of vm
diff --git a/arch/mips/include/asm/unistd.h b/arch/mips/include/asm/unistd.h
index 3c09450908aa..c68b8ae3efcb 100644
--- a/arch/mips/include/asm/unistd.h
+++ b/arch/mips/include/asm/unistd.h
@@ -24,16 +24,17 @@
#ifndef __ASSEMBLY__
+#define __ARCH_WANT_NEW_STAT
#define __ARCH_WANT_OLD_READDIR
#define __ARCH_WANT_SYS_ALARM
#define __ARCH_WANT_SYS_GETHOSTNAME
#define __ARCH_WANT_SYS_IPC
#define __ARCH_WANT_SYS_PAUSE
#define __ARCH_WANT_SYS_UTIME
+#define __ARCH_WANT_SYS_UTIME32
#define __ARCH_WANT_SYS_WAITPID
#define __ARCH_WANT_SYS_SOCKETCALL
#define __ARCH_WANT_SYS_GETPGRP
-#define __ARCH_WANT_SYS_LLSEEK
#define __ARCH_WANT_SYS_NICE
#define __ARCH_WANT_SYS_OLD_UNAME
#define __ARCH_WANT_SYS_OLDUMOUNT
diff --git a/arch/mips/include/asm/vr41xx/giu.h b/arch/mips/include/asm/vr41xx/giu.h
index 6a90bc1d916b..ecda4cf300de 100644
--- a/arch/mips/include/asm/vr41xx/giu.h
+++ b/arch/mips/include/asm/vr41xx/giu.h
@@ -51,12 +51,4 @@ typedef enum {
extern void vr41xx_set_irq_level(unsigned int pin, irq_level_t level);
-typedef enum {
- GPIO_PULL_DOWN,
- GPIO_PULL_UP,
- GPIO_PULL_DISABLE,
-} gpio_pull_t;
-
-extern int vr41xx_gpio_pullupdown(unsigned int pin, gpio_pull_t pull);
-
#endif /* __NEC_VR41XX_GIU_H */
diff --git a/arch/mips/include/uapi/asm/siginfo.h b/arch/mips/include/uapi/asm/siginfo.h
index 262504bd59a5..c34c7eef0a1c 100644
--- a/arch/mips/include/uapi/asm/siginfo.h
+++ b/arch/mips/include/uapi/asm/siginfo.h
@@ -14,17 +14,6 @@
#define __ARCH_SIGEV_PREAMBLE_SIZE (sizeof(long) + 2*sizeof(int))
#undef __ARCH_SI_TRAPNO /* exception code needs to fill this ... */
-/*
- * Careful to keep union _sifields from shifting ...
- */
-#if _MIPS_SZLONG == 32
-#define __ARCH_SI_PREAMBLE_SIZE (3 * sizeof(int))
-#elif _MIPS_SZLONG == 64
-#define __ARCH_SI_PREAMBLE_SIZE (4 * sizeof(int))
-#else
-#error _MIPS_SZLONG neither 32 nor 64
-#endif
-
#define __ARCH_HAS_SWAPPED_SIGINFO
#include <asm-generic/siginfo.h>
diff --git a/arch/mips/jazz/jazzdma.c b/arch/mips/jazz/jazzdma.c
index d31bc2f01208..0a0aaf39fd16 100644
--- a/arch/mips/jazz/jazzdma.c
+++ b/arch/mips/jazz/jazzdma.c
@@ -564,13 +564,13 @@ static void *jazz_dma_alloc(struct device *dev, size_t size,
{
void *ret;
- ret = dma_direct_alloc(dev, size, dma_handle, gfp, attrs);
+ ret = dma_direct_alloc_pages(dev, size, dma_handle, gfp, attrs);
if (!ret)
return NULL;
*dma_handle = vdma_alloc(virt_to_phys(ret), size);
if (*dma_handle == VDMA_ERROR) {
- dma_direct_free(dev, size, ret, *dma_handle, attrs);
+ dma_direct_free_pages(dev, size, ret, *dma_handle, attrs);
return NULL;
}
@@ -587,7 +587,7 @@ static void jazz_dma_free(struct device *dev, size_t size, void *vaddr,
vdma_free(dma_handle);
if (!(attrs & DMA_ATTR_NON_CONSISTENT))
vaddr = (void *)CAC_ADDR((unsigned long)vaddr);
- return dma_direct_free(dev, size, vaddr, dma_handle, attrs);
+ dma_direct_free_pages(dev, size, vaddr, dma_handle, attrs);
}
static dma_addr_t jazz_dma_map_page(struct device *dev, struct page *page,
@@ -682,7 +682,6 @@ static int jazz_dma_mapping_error(struct device *dev, dma_addr_t dma_addr)
const struct dma_map_ops jazz_dma_ops = {
.alloc = jazz_dma_alloc,
.free = jazz_dma_free,
- .mmap = arch_dma_mmap,
.map_page = jazz_dma_map_page,
.unmap_page = jazz_dma_unmap_page,
.map_sg = jazz_dma_map_sg,
diff --git a/arch/mips/kernel/binfmt_elfn32.c b/arch/mips/kernel/binfmt_elfn32.c
index 89b234844534..7a12763d553a 100644
--- a/arch/mips/kernel/binfmt_elfn32.c
+++ b/arch/mips/kernel/binfmt_elfn32.c
@@ -54,10 +54,10 @@ struct elf_prstatus32
pid_t pr_ppid;
pid_t pr_pgrp;
pid_t pr_sid;
- struct compat_timeval pr_utime; /* User time */
- struct compat_timeval pr_stime; /* System time */
- struct compat_timeval pr_cutime;/* Cumulative user time */
- struct compat_timeval pr_cstime;/* Cumulative system time */
+ struct old_timeval32 pr_utime; /* User time */
+ struct old_timeval32 pr_stime; /* System time */
+ struct old_timeval32 pr_cutime;/* Cumulative user time */
+ struct old_timeval32 pr_cstime;/* Cumulative system time */
elf_gregset_t pr_reg; /* GP registers */
int pr_fpvalid; /* True if math co-processor being used. */
};
@@ -81,9 +81,9 @@ struct elf_prpsinfo32
#define elf_caddr_t u32
#define init_elf_binfmt init_elfn32_binfmt
-#define jiffies_to_timeval jiffies_to_compat_timeval
+#define jiffies_to_timeval jiffies_to_old_timeval32
static __inline__ void
-jiffies_to_compat_timeval(unsigned long jiffies, struct compat_timeval *value)
+jiffies_to_old_timeval32(unsigned long jiffies, struct old_timeval32 *value)
{
/*
* Convert jiffies to nanoseconds and separate with
@@ -101,6 +101,6 @@ jiffies_to_compat_timeval(unsigned long jiffies, struct compat_timeval *value)
#define TASK_SIZE TASK_SIZE32
#undef ns_to_timeval
-#define ns_to_timeval ns_to_compat_timeval
+#define ns_to_timeval ns_to_old_timeval32
#include "../../../fs/binfmt_elf.c"
diff --git a/arch/mips/kernel/binfmt_elfo32.c b/arch/mips/kernel/binfmt_elfo32.c
index a88c59db3d48..e6db06a1d31a 100644
--- a/arch/mips/kernel/binfmt_elfo32.c
+++ b/arch/mips/kernel/binfmt_elfo32.c
@@ -59,10 +59,10 @@ struct elf_prstatus32
pid_t pr_ppid;
pid_t pr_pgrp;
pid_t pr_sid;
- struct compat_timeval pr_utime; /* User time */
- struct compat_timeval pr_stime; /* System time */
- struct compat_timeval pr_cutime;/* Cumulative user time */
- struct compat_timeval pr_cstime;/* Cumulative system time */
+ struct old_timeval32 pr_utime; /* User time */
+ struct old_timeval32 pr_stime; /* System time */
+ struct old_timeval32 pr_cutime;/* Cumulative user time */
+ struct old_timeval32 pr_cstime;/* Cumulative system time */
elf_gregset_t pr_reg; /* GP registers */
int pr_fpvalid; /* True if math co-processor being used. */
};
@@ -86,9 +86,9 @@ struct elf_prpsinfo32
#define elf_caddr_t u32
#define init_elf_binfmt init_elf32_binfmt
-#define jiffies_to_timeval jiffies_to_compat_timeval
+#define jiffies_to_timeval jiffies_to_old_timeval32
static inline void
-jiffies_to_compat_timeval(unsigned long jiffies, struct compat_timeval *value)
+jiffies_to_old_timeval32(unsigned long jiffies, struct old_timeval32 *value)
{
/*
* Convert jiffies to nanoseconds and separate with
@@ -104,6 +104,6 @@ jiffies_to_compat_timeval(unsigned long jiffies, struct compat_timeval *value)
#define TASK_SIZE TASK_SIZE32
#undef ns_to_timeval
-#define ns_to_timeval ns_to_compat_timeval
+#define ns_to_timeval ns_to_old_timeval32
#include "../../../fs/binfmt_elf.c"
diff --git a/arch/mips/kernel/process.c b/arch/mips/kernel/process.c
index 8fc69891e117..d4f7fd4550e1 100644
--- a/arch/mips/kernel/process.c
+++ b/arch/mips/kernel/process.c
@@ -32,6 +32,7 @@
#include <linux/nmi.h>
#include <linux/cpu.h>
+#include <asm/abi.h>
#include <asm/asm.h>
#include <asm/bootinfo.h>
#include <asm/cpu.h>
@@ -39,6 +40,7 @@
#include <asm/dsp.h>
#include <asm/fpu.h>
#include <asm/irq.h>
+#include <asm/mips-cps.h>
#include <asm/msa.h>
#include <asm/pgtable.h>
#include <asm/mipsregs.h>
@@ -645,6 +647,29 @@ out:
return pc;
}
+unsigned long mips_stack_top(void)
+{
+ unsigned long top = TASK_SIZE & PAGE_MASK;
+
+ /* One page for branch delay slot "emulation" */
+ top -= PAGE_SIZE;
+
+ /* Space for the VDSO, data page & GIC user page */
+ top -= PAGE_ALIGN(current->thread.abi->vdso->size);
+ top -= PAGE_SIZE;
+ top -= mips_gic_present() ? PAGE_SIZE : 0;
+
+ /* Space for cache colour alignment */
+ if (cpu_has_dc_aliases)
+ top -= shm_align_mask + 1;
+
+ /* Space to randomize the VDSO base */
+ if (current->flags & PF_RANDOMIZE)
+ top -= VDSO_RANDOMIZE_SIZE;
+
+ return top;
+}
+
/*
* Don't forget that the stack pointer must be aligned on a 8 bytes
* boundary for 32-bits ABI and 16 bytes for 64-bits ABI.
diff --git a/arch/mips/kernel/setup.c b/arch/mips/kernel/setup.c
index c71d1eb7da59..e64b9e8bb002 100644
--- a/arch/mips/kernel/setup.c
+++ b/arch/mips/kernel/setup.c
@@ -846,6 +846,34 @@ static void __init arch_mem_init(char **cmdline_p)
struct memblock_region *reg;
extern void plat_mem_setup(void);
+ /*
+ * Initialize boot_command_line to an innocuous but non-empty string in
+ * order to prevent early_init_dt_scan_chosen() from copying
+ * CONFIG_CMDLINE into it without our knowledge. We handle
+ * CONFIG_CMDLINE ourselves below & don't want to duplicate its
+ * content because repeating arguments can be problematic.
+ */
+ strlcpy(boot_command_line, " ", COMMAND_LINE_SIZE);
+
+ /* call board setup routine */
+ plat_mem_setup();
+
+ /*
+ * Make sure all kernel memory is in the maps. The "UP" and
+ * "DOWN" are opposite for initdata since if it crosses over
+ * into another memory section you don't want that to be
+ * freed when the initdata is freed.
+ */
+ arch_mem_addpart(PFN_DOWN(__pa_symbol(&_text)) << PAGE_SHIFT,
+ PFN_UP(__pa_symbol(&_edata)) << PAGE_SHIFT,
+ BOOT_MEM_RAM);
+ arch_mem_addpart(PFN_UP(__pa_symbol(&__init_begin)) << PAGE_SHIFT,
+ PFN_DOWN(__pa_symbol(&__init_end)) << PAGE_SHIFT,
+ BOOT_MEM_INIT_RAM);
+
+ pr_info("Determined physical RAM map:\n");
+ print_memory_map();
+
#if defined(CONFIG_CMDLINE_BOOL) && defined(CONFIG_CMDLINE_OVERRIDE)
strlcpy(boot_command_line, builtin_cmdline, COMMAND_LINE_SIZE);
#else
@@ -873,26 +901,6 @@ static void __init arch_mem_init(char **cmdline_p)
}
#endif
#endif
-
- /* call board setup routine */
- plat_mem_setup();
-
- /*
- * Make sure all kernel memory is in the maps. The "UP" and
- * "DOWN" are opposite for initdata since if it crosses over
- * into another memory section you don't want that to be
- * freed when the initdata is freed.
- */
- arch_mem_addpart(PFN_DOWN(__pa_symbol(&_text)) << PAGE_SHIFT,
- PFN_UP(__pa_symbol(&_edata)) << PAGE_SHIFT,
- BOOT_MEM_RAM);
- arch_mem_addpart(PFN_UP(__pa_symbol(&__init_begin)) << PAGE_SHIFT,
- PFN_DOWN(__pa_symbol(&__init_end)) << PAGE_SHIFT,
- BOOT_MEM_INIT_RAM);
-
- pr_info("Determined physical RAM map:\n");
- print_memory_map();
-
strlcpy(command_line, boot_command_line, COMMAND_LINE_SIZE);
*cmdline_p = command_line;
@@ -1067,7 +1075,7 @@ static int __init debugfs_mips(void)
arch_initcall(debugfs_mips);
#endif
-#if defined(CONFIG_DMA_MAYBE_COHERENT) && !defined(CONFIG_DMA_PERDEV_COHERENT)
+#ifdef CONFIG_DMA_MAYBE_COHERENT
/* User defined DMA coherency from command line. */
enum coherent_io_user_state coherentio = IO_COHERENCE_DEFAULT;
EXPORT_SYMBOL_GPL(coherentio);
diff --git a/arch/mips/kernel/vdso.c b/arch/mips/kernel/vdso.c
index 019035d7225c..48a9c6b90e07 100644
--- a/arch/mips/kernel/vdso.c
+++ b/arch/mips/kernel/vdso.c
@@ -13,13 +13,16 @@
#include <linux/err.h>
#include <linux/init.h>
#include <linux/ioport.h>
+#include <linux/kernel.h>
#include <linux/mm.h>
+#include <linux/random.h>
#include <linux/sched.h>
#include <linux/slab.h>
#include <linux/timekeeper_internal.h>
#include <asm/abi.h>
#include <asm/mips-cps.h>
+#include <asm/page.h>
#include <asm/vdso.h>
/* Kernel-provided data used by the VDSO. */
@@ -95,6 +98,21 @@ void update_vsyscall_tz(void)
}
}
+static unsigned long vdso_base(void)
+{
+ unsigned long base;
+
+ /* Skip the delay slot emulation page */
+ base = STACK_TOP + PAGE_SIZE;
+
+ if (current->flags & PF_RANDOMIZE) {
+ base += get_random_int() & (VDSO_RANDOMIZE_SIZE - 1);
+ base = PAGE_ALIGN(base);
+ }
+
+ return base;
+}
+
int arch_setup_additional_pages(struct linux_binprm *bprm, int uses_interp)
{
struct mips_vdso_image *image = current->thread.abi->vdso;
@@ -128,12 +146,30 @@ int arch_setup_additional_pages(struct linux_binprm *bprm, int uses_interp)
vvar_size = gic_size + PAGE_SIZE;
size = vvar_size + image->size;
- base = get_unmapped_area(NULL, 0, size, 0, 0);
+ /*
+ * Find a region that's large enough for us to perform the
+ * colour-matching alignment below.
+ */
+ if (cpu_has_dc_aliases)
+ size += shm_align_mask + 1;
+
+ base = get_unmapped_area(NULL, vdso_base(), size, 0, 0);
if (IS_ERR_VALUE(base)) {
ret = base;
goto out;
}
+ /*
+ * If we suffer from dcache aliasing, ensure that the VDSO data page
+ * mapping is coloured the same as the kernel's mapping of that memory.
+ * This ensures that when the kernel updates the VDSO data userland
+ * will observe it without requiring cache invalidations.
+ */
+ if (cpu_has_dc_aliases) {
+ base = __ALIGN_MASK(base, shm_align_mask);
+ base += ((unsigned long)&vdso_data - gic_size) & shm_align_mask;
+ }
+
data_addr = base + gic_size;
vdso_addr = data_addr + PAGE_SIZE;
diff --git a/arch/mips/kvm/mmu.c b/arch/mips/kvm/mmu.c
index ee64db032793..d8dcdb350405 100644
--- a/arch/mips/kvm/mmu.c
+++ b/arch/mips/kvm/mmu.c
@@ -512,16 +512,6 @@ static int kvm_unmap_hva_handler(struct kvm *kvm, gfn_t gfn, gfn_t gfn_end,
return 1;
}
-int kvm_unmap_hva(struct kvm *kvm, unsigned long hva)
-{
- unsigned long end = hva + PAGE_SIZE;
-
- handle_hva_to_gpa(kvm, hva, end, &kvm_unmap_hva_handler, NULL);
-
- kvm_mips_callbacks->flush_shadow_all(kvm);
- return 0;
-}
-
int kvm_unmap_hva_range(struct kvm *kvm, unsigned long start, unsigned long end)
{
handle_hva_to_gpa(kvm, start, end, &kvm_unmap_hva_handler, NULL);
diff --git a/arch/mips/lantiq/xway/dma.c b/arch/mips/lantiq/xway/dma.c
index 4b9fbb6744ad..982859f2b2a3 100644
--- a/arch/mips/lantiq/xway/dma.c
+++ b/arch/mips/lantiq/xway/dma.c
@@ -106,7 +106,6 @@ ltq_dma_open(struct ltq_dma_channel *ch)
spin_lock_irqsave(&ltq_dma_lock, flag);
ltq_dma_w32(ch->nr, LTQ_DMA_CS);
ltq_dma_w32_mask(0, DMA_CHAN_ON, LTQ_DMA_CCTRL);
- ltq_dma_w32_mask(0, 1 << ch->nr, LTQ_DMA_IRNEN);
spin_unlock_irqrestore(&ltq_dma_lock, flag);
}
EXPORT_SYMBOL_GPL(ltq_dma_open);
@@ -130,7 +129,7 @@ ltq_dma_alloc(struct ltq_dma_channel *ch)
unsigned long flags;
ch->desc = 0;
- ch->desc_base = dma_zalloc_coherent(NULL,
+ ch->desc_base = dma_zalloc_coherent(ch->dev,
LTQ_DESC_NUM * LTQ_DESC_SIZE,
&ch->phys, GFP_ATOMIC);
@@ -182,7 +181,7 @@ ltq_dma_free(struct ltq_dma_channel *ch)
if (!ch->desc_base)
return;
ltq_dma_close(ch);
- dma_free_coherent(NULL, LTQ_DESC_NUM * LTQ_DESC_SIZE,
+ dma_free_coherent(ch->dev, LTQ_DESC_NUM * LTQ_DESC_SIZE,
ch->desc_base, ch->phys);
}
EXPORT_SYMBOL_GPL(ltq_dma_free);
diff --git a/arch/mips/lantiq/xway/sysctrl.c b/arch/mips/lantiq/xway/sysctrl.c
index e0af39b33e28..fe25c99089b7 100644
--- a/arch/mips/lantiq/xway/sysctrl.c
+++ b/arch/mips/lantiq/xway/sysctrl.c
@@ -505,7 +505,7 @@ void __init ltq_soc_init(void)
clkdev_add_pmu("1a800000.pcie", "msi", 1, 1, PMU1_PCIE2_MSI);
clkdev_add_pmu("1a800000.pcie", "pdi", 1, 1, PMU1_PCIE2_PDI);
clkdev_add_pmu("1a800000.pcie", "ctl", 1, 1, PMU1_PCIE2_CTL);
- clkdev_add_pmu("1e108000.eth", NULL, 0, 0, PMU_SWITCH | PMU_PPE_DP);
+ clkdev_add_pmu("1e10b308.eth", NULL, 0, 0, PMU_SWITCH | PMU_PPE_DP);
clkdev_add_pmu("1da00000.usif", "NULL", 1, 0, PMU_USIF);
clkdev_add_pmu("1e103100.deu", NULL, 1, 0, PMU_DEU);
} else if (of_machine_is_compatible("lantiq,ar10")) {
@@ -513,11 +513,11 @@ void __init ltq_soc_init(void)
ltq_ar10_fpi_hz(), ltq_ar10_pp32_hz());
clkdev_add_pmu("1e101000.usb", "otg", 1, 0, PMU_USB0);
clkdev_add_pmu("1e106000.usb", "otg", 1, 0, PMU_USB1);
- clkdev_add_pmu("1e108000.eth", NULL, 0, 0, PMU_SWITCH |
+ clkdev_add_pmu("1e10b308.eth", NULL, 0, 0, PMU_SWITCH |
PMU_PPE_DP | PMU_PPE_TC);
clkdev_add_pmu("1da00000.usif", "NULL", 1, 0, PMU_USIF);
- clkdev_add_pmu("1f203020.gphy", NULL, 1, 0, PMU_GPHY);
- clkdev_add_pmu("1f203068.gphy", NULL, 1, 0, PMU_GPHY);
+ clkdev_add_pmu("1e108000.gswip", "gphy0", 0, 0, PMU_GPHY);
+ clkdev_add_pmu("1e108000.gswip", "gphy1", 0, 0, PMU_GPHY);
clkdev_add_pmu("1e103100.deu", NULL, 1, 0, PMU_DEU);
clkdev_add_pmu("1e116000.mei", "afe", 1, 2, PMU_ANALOG_DSL_AFE);
clkdev_add_pmu("1e116000.mei", "dfe", 1, 0, PMU_DFE);
@@ -536,12 +536,12 @@ void __init ltq_soc_init(void)
clkdev_add_pmu(NULL, "ahb", 1, 0, PMU_AHBM | PMU_AHBS);
clkdev_add_pmu("1da00000.usif", "NULL", 1, 0, PMU_USIF);
- clkdev_add_pmu("1e108000.eth", NULL, 0, 0,
+ clkdev_add_pmu("1e10b308.eth", NULL, 0, 0,
PMU_SWITCH | PMU_PPE_DPLUS | PMU_PPE_DPLUM |
PMU_PPE_EMA | PMU_PPE_TC | PMU_PPE_SLL01 |
PMU_PPE_QSB | PMU_PPE_TOP);
- clkdev_add_pmu("1f203020.gphy", NULL, 0, 0, PMU_GPHY);
- clkdev_add_pmu("1f203068.gphy", NULL, 0, 0, PMU_GPHY);
+ clkdev_add_pmu("1e108000.gswip", "gphy0", 0, 0, PMU_GPHY);
+ clkdev_add_pmu("1e108000.gswip", "gphy1", 0, 0, PMU_GPHY);
clkdev_add_pmu("1e103000.sdio", NULL, 1, 0, PMU_SDIO);
clkdev_add_pmu("1e103100.deu", NULL, 1, 0, PMU_DEU);
clkdev_add_pmu("1e116000.mei", "dfe", 1, 0, PMU_DFE);
diff --git a/arch/mips/lib/memset.S b/arch/mips/lib/memset.S
index 3a6f34ef5ffc..069acec3df9f 100644
--- a/arch/mips/lib/memset.S
+++ b/arch/mips/lib/memset.S
@@ -280,9 +280,11 @@
* unset_bytes = end_addr - current_addr + 1
* a2 = t1 - a0 + 1
*/
+ .set reorder
PTR_SUBU a2, t1, a0
+ PTR_ADDIU a2, 1
jr ra
- PTR_ADDIU a2, 1
+ .set noreorder
.endm
diff --git a/arch/mips/mm/c-r4k.c b/arch/mips/mm/c-r4k.c
index a9ef057c79fe..05bd77727fb9 100644
--- a/arch/mips/mm/c-r4k.c
+++ b/arch/mips/mm/c-r4k.c
@@ -1955,22 +1955,21 @@ void r4k_cache_init(void)
__flush_icache_user_range = r4k_flush_icache_user_range;
__local_flush_icache_user_range = local_r4k_flush_icache_user_range;
-#if defined(CONFIG_DMA_NONCOHERENT) || defined(CONFIG_DMA_MAYBE_COHERENT)
-# if defined(CONFIG_DMA_PERDEV_COHERENT)
- if (0) {
-# else
- if ((coherentio == IO_COHERENCE_ENABLED) ||
- ((coherentio == IO_COHERENCE_DEFAULT) && hw_coherentio)) {
-# endif
+#ifdef CONFIG_DMA_NONCOHERENT
+#ifdef CONFIG_DMA_MAYBE_COHERENT
+ if (coherentio == IO_COHERENCE_ENABLED ||
+ (coherentio == IO_COHERENCE_DEFAULT && hw_coherentio)) {
_dma_cache_wback_inv = (void *)cache_noop;
_dma_cache_wback = (void *)cache_noop;
_dma_cache_inv = (void *)cache_noop;
- } else {
+ } else
+#endif /* CONFIG_DMA_MAYBE_COHERENT */
+ {
_dma_cache_wback_inv = r4k_dma_cache_wback_inv;
_dma_cache_wback = r4k_dma_cache_wback_inv;
_dma_cache_inv = r4k_dma_cache_inv;
}
-#endif
+#endif /* CONFIG_DMA_NONCOHERENT */
build_clear_page();
build_copy_page();
diff --git a/arch/mips/mm/dma-noncoherent.c b/arch/mips/mm/dma-noncoherent.c
index 2aca1236af36..e6c9485cadcf 100644
--- a/arch/mips/mm/dma-noncoherent.c
+++ b/arch/mips/mm/dma-noncoherent.c
@@ -14,26 +14,6 @@
#include <asm/dma-coherence.h>
#include <asm/io.h>
-#ifdef CONFIG_DMA_PERDEV_COHERENT
-static inline int dev_is_coherent(struct device *dev)
-{
- return dev->archdata.dma_coherent;
-}
-#else
-static inline int dev_is_coherent(struct device *dev)
-{
- switch (coherentio) {
- default:
- case IO_COHERENCE_DEFAULT:
- return hw_coherentio;
- case IO_COHERENCE_ENABLED:
- return 1;
- case IO_COHERENCE_DISABLED:
- return 0;
- }
-}
-#endif /* CONFIG_DMA_PERDEV_COHERENT */
-
/*
* The affected CPUs below in 'cpu_needs_post_dma_flush()' can speculatively
* fill random cachelines with stale data at any time, requiring an extra
@@ -49,9 +29,6 @@ static inline int dev_is_coherent(struct device *dev)
*/
static inline bool cpu_needs_post_dma_flush(struct device *dev)
{
- if (dev_is_coherent(dev))
- return false;
-
switch (boot_cpu_type()) {
case CPU_R10000:
case CPU_R12000:
@@ -72,11 +49,8 @@ void *arch_dma_alloc(struct device *dev, size_t size,
{
void *ret;
- ret = dma_direct_alloc(dev, size, dma_handle, gfp, attrs);
- if (!ret)
- return NULL;
-
- if (!dev_is_coherent(dev) && !(attrs & DMA_ATTR_NON_CONSISTENT)) {
+ ret = dma_direct_alloc_pages(dev, size, dma_handle, gfp, attrs);
+ if (!ret && !(attrs & DMA_ATTR_NON_CONSISTENT)) {
dma_cache_wback_inv((unsigned long) ret, size);
ret = (void *)UNCAC_ADDR(ret);
}
@@ -87,43 +61,24 @@ void *arch_dma_alloc(struct device *dev, size_t size,
void arch_dma_free(struct device *dev, size_t size, void *cpu_addr,
dma_addr_t dma_addr, unsigned long attrs)
{
- if (!(attrs & DMA_ATTR_NON_CONSISTENT) && !dev_is_coherent(dev))
+ if (!(attrs & DMA_ATTR_NON_CONSISTENT))
cpu_addr = (void *)CAC_ADDR((unsigned long)cpu_addr);
- dma_direct_free(dev, size, cpu_addr, dma_addr, attrs);
+ dma_direct_free_pages(dev, size, cpu_addr, dma_addr, attrs);
}
-int arch_dma_mmap(struct device *dev, struct vm_area_struct *vma,
- void *cpu_addr, dma_addr_t dma_addr, size_t size,
- unsigned long attrs)
+long arch_dma_coherent_to_pfn(struct device *dev, void *cpu_addr,
+ dma_addr_t dma_addr)
{
- unsigned long user_count = vma_pages(vma);
- unsigned long count = PAGE_ALIGN(size) >> PAGE_SHIFT;
- unsigned long addr = (unsigned long)cpu_addr;
- unsigned long off = vma->vm_pgoff;
- unsigned long pfn;
- int ret = -ENXIO;
-
- if (!dev_is_coherent(dev))
- addr = CAC_ADDR(addr);
-
- pfn = page_to_pfn(virt_to_page((void *)addr));
+ unsigned long addr = CAC_ADDR((unsigned long)cpu_addr);
+ return page_to_pfn(virt_to_page((void *)addr));
+}
+pgprot_t arch_dma_mmap_pgprot(struct device *dev, pgprot_t prot,
+ unsigned long attrs)
+{
if (attrs & DMA_ATTR_WRITE_COMBINE)
- vma->vm_page_prot = pgprot_writecombine(vma->vm_page_prot);
- else
- vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
-
- if (dma_mmap_from_dev_coherent(dev, vma, cpu_addr, size, &ret))
- return ret;
-
- if (off < count && user_count <= (count - off)) {
- ret = remap_pfn_range(vma, vma->vm_start,
- pfn + off,
- user_count << PAGE_SHIFT,
- vma->vm_page_prot);
- }
-
- return ret;
+ return pgprot_writecombine(prot);
+ return pgprot_noncached(prot);
}
static inline void dma_sync_virt(void *addr, size_t size,
@@ -187,8 +142,7 @@ static inline void dma_sync_phys(phys_addr_t paddr, size_t size,
void arch_sync_dma_for_device(struct device *dev, phys_addr_t paddr,
size_t size, enum dma_data_direction dir)
{
- if (!dev_is_coherent(dev))
- dma_sync_phys(paddr, size, dir);
+ dma_sync_phys(paddr, size, dir);
}
void arch_sync_dma_for_cpu(struct device *dev, phys_addr_t paddr,
@@ -203,6 +157,5 @@ void arch_dma_cache_sync(struct device *dev, void *vaddr, size_t size,
{
BUG_ON(direction == DMA_NONE);
- if (!dev_is_coherent(dev))
- dma_sync_virt(vaddr, size, direction);
+ dma_sync_virt(vaddr, size, direction);
}
diff --git a/arch/mips/netlogic/xlr/platform-flash.c b/arch/mips/netlogic/xlr/platform-flash.c
index 4d1b4c003376..cf9162284b07 100644
--- a/arch/mips/netlogic/xlr/platform-flash.c
+++ b/arch/mips/netlogic/xlr/platform-flash.c
@@ -19,8 +19,7 @@
#include <linux/mtd/mtd.h>
#include <linux/mtd/physmap.h>
-#include <linux/mtd/rawnand.h>
-#include <linux/mtd/partitions.h>
+#include <linux/mtd/platnand.h>
#include <asm/netlogic/haldefs.h>
#include <asm/netlogic/xlr/iomap.h>
@@ -92,8 +91,8 @@ struct xlr_nand_flash_priv {
static struct xlr_nand_flash_priv nand_priv;
-static void xlr_nand_ctrl(struct mtd_info *mtd, int cmd,
- unsigned int ctrl)
+static void xlr_nand_ctrl(struct nand_chip *chip, int cmd,
+ unsigned int ctrl)
{
if (ctrl & NAND_CLE)
nlm_write_reg(nand_priv.flash_mmio,
diff --git a/arch/mips/pnx833x/common/platform.c b/arch/mips/pnx833x/common/platform.c
index a7a4e9f5146d..dafbf027fad0 100644
--- a/arch/mips/pnx833x/common/platform.c
+++ b/arch/mips/pnx833x/common/platform.c
@@ -30,8 +30,7 @@
#include <linux/resource.h>
#include <linux/serial.h>
#include <linux/serial_pnx8xxx.h>
-#include <linux/mtd/rawnand.h>
-#include <linux/mtd/partitions.h>
+#include <linux/mtd/platnand.h>
#include <irq.h>
#include <irq-mapping.h>
@@ -178,10 +177,9 @@ static struct platform_device pnx833x_sata_device = {
};
static void
-pnx833x_flash_nand_cmd_ctrl(struct mtd_info *mtd, int cmd, unsigned int ctrl)
+pnx833x_flash_nand_cmd_ctrl(struct nand_chip *this, int cmd, unsigned int ctrl)
{
- struct nand_chip *this = mtd_to_nand(mtd);
- unsigned long nandaddr = (unsigned long)this->IO_ADDR_W;
+ unsigned long nandaddr = (unsigned long)this->legacy.IO_ADDR_W;
if (cmd == NAND_CMD_NONE)
return;
diff --git a/arch/mips/rb532/devices.c b/arch/mips/rb532/devices.c
index 354d258396ff..2b23ad640f39 100644
--- a/arch/mips/rb532/devices.c
+++ b/arch/mips/rb532/devices.c
@@ -20,9 +20,8 @@
#include <linux/ctype.h>
#include <linux/string.h>
#include <linux/platform_device.h>
-#include <linux/mtd/rawnand.h>
+#include <linux/mtd/platnand.h>
#include <linux/mtd/mtd.h>
-#include <linux/mtd/partitions.h>
#include <linux/gpio.h>
#include <linux/gpio_keys.h>
#include <linux/input.h>
@@ -141,14 +140,13 @@ static struct platform_device cf_slot0 = {
};
/* Resources and device for NAND */
-static int rb532_dev_ready(struct mtd_info *mtd)
+static int rb532_dev_ready(struct nand_chip *chip)
{
return gpio_get_value(GPIO_RDY);
}
-static void rb532_cmd_ctrl(struct mtd_info *mtd, int cmd, unsigned int ctrl)
+static void rb532_cmd_ctrl(struct nand_chip *chip, int cmd, unsigned int ctrl)
{
- struct nand_chip *chip = mtd_to_nand(mtd);
unsigned char orbits, nandbits;
if (ctrl & NAND_CTRL_CHANGE) {
@@ -161,7 +159,7 @@ static void rb532_cmd_ctrl(struct mtd_info *mtd, int cmd, unsigned int ctrl)
set_latch_u5(orbits, nandbits);
}
if (cmd != NAND_CMD_NONE)
- writeb(cmd, chip->IO_ADDR_W);
+ writeb(cmd, chip->legacy.IO_ADDR_W);
}
static struct resource nand_slot0_res[] = {