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-rw-r--r--arch/arm/common/amba.c6
-rw-r--r--arch/arm/kernel/calls.S8
-rw-r--r--arch/arm/kernel/entry-armv.S49
-rw-r--r--arch/arm/kernel/entry-common.S20
-rw-r--r--arch/arm/kernel/module.c2
-rw-r--r--arch/arm/kernel/ptrace.c9
-rw-r--r--arch/arm/mach-pxa/akita-ioexp.c7
-rw-r--r--arch/arm/mach-pxa/mainstone.c21
-rw-r--r--arch/arm/mach-pxa/pm.c9
-rw-r--r--arch/arm/mach-pxa/pxa27x.c6
10 files changed, 104 insertions, 33 deletions
diff --git a/arch/arm/common/amba.c b/arch/arm/common/amba.c
index e101311..c95ec9e 100644
--- a/arch/arm/common/amba.c
+++ b/arch/arm/common/amba.c
@@ -45,7 +45,7 @@ static int amba_match(struct device *dev, struct device_driver *drv)
}
#ifdef CONFIG_HOTPLUG
-static int amba_hotplug(struct device *dev, char **envp, int nr_env, char *buf, int bufsz)
+static int amba_uevent(struct device *dev, char **envp, int nr_env, char *buf, int bufsz)
{
struct amba_device *pcdev = to_amba_device(dev);
@@ -58,7 +58,7 @@ static int amba_hotplug(struct device *dev, char **envp, int nr_env, char *buf,
return 0;
}
#else
-#define amba_hotplug NULL
+#define amba_uevent NULL
#endif
static int amba_suspend(struct device *dev, pm_message_t state)
@@ -88,7 +88,7 @@ static int amba_resume(struct device *dev)
static struct bus_type amba_bustype = {
.name = "amba",
.match = amba_match,
- .hotplug = amba_hotplug,
+ .uevent = amba_uevent,
.suspend = amba_suspend,
.resume = amba_resume,
};
diff --git a/arch/arm/kernel/calls.S b/arch/arm/kernel/calls.S
index 2ad4aa2..55076a7 100644
--- a/arch/arm/kernel/calls.S
+++ b/arch/arm/kernel/calls.S
@@ -131,7 +131,7 @@ __syscall_start:
.long sys_wait4
/* 115 */ .long sys_swapoff
.long sys_sysinfo
- .long sys_ipc_wrapper
+ .long sys_ipc
.long sys_fsync
.long sys_sigreturn_wrapper
/* 120 */ .long sys_clone_wrapper
@@ -254,7 +254,7 @@ __syscall_start:
.long sys_fremovexattr
.long sys_tkill
.long sys_sendfile64
-/* 240 */ .long sys_futex_wrapper
+/* 240 */ .long sys_futex
.long sys_sched_setaffinity
.long sys_sched_getaffinity
.long sys_io_setup
@@ -284,7 +284,7 @@ __syscall_start:
.long sys_fstatfs64
.long sys_tgkill
.long sys_utimes
-/* 270 */ .long sys_arm_fadvise64_64_wrapper
+/* 270 */ .long sys_arm_fadvise64_64
.long sys_pciconfig_iobase
.long sys_pciconfig_read
.long sys_pciconfig_write
@@ -333,7 +333,7 @@ __syscall_start:
.long sys_inotify_init
.long sys_inotify_add_watch
.long sys_inotify_rm_watch
- .long sys_mbind_wrapper
+ .long sys_mbind
/* 320 */ .long sys_get_mempolicy
.long sys_set_mempolicy
__syscall_end:
diff --git a/arch/arm/kernel/entry-armv.S b/arch/arm/kernel/entry-armv.S
index d9fb819..2a8d27e 100644
--- a/arch/arm/kernel/entry-armv.S
+++ b/arch/arm/kernel/entry-armv.S
@@ -614,6 +614,47 @@ __kuser_helper_start:
/*
* Reference prototype:
*
+ * void __kernel_memory_barrier(void)
+ *
+ * Input:
+ *
+ * lr = return address
+ *
+ * Output:
+ *
+ * none
+ *
+ * Clobbered:
+ *
+ * the Z flag might be lost
+ *
+ * Definition and user space usage example:
+ *
+ * typedef void (__kernel_dmb_t)(void);
+ * #define __kernel_dmb (*(__kernel_dmb_t *)0xffff0fa0)
+ *
+ * Apply any needed memory barrier to preserve consistency with data modified
+ * manually and __kuser_cmpxchg usage.
+ *
+ * This could be used as follows:
+ *
+ * #define __kernel_dmb() \
+ * asm volatile ( "mov r0, #0xffff0fff; mov lr, pc; sub pc, r0, #95" \
+ * : : : "lr","cc" )
+ */
+
+__kuser_memory_barrier: @ 0xffff0fa0
+
+#if __LINUX_ARM_ARCH__ >= 6 && defined(CONFIG_SMP)
+ mcr p15, 0, r0, c7, c10, 5 @ dmb
+#endif
+ mov pc, lr
+
+ .align 5
+
+/*
+ * Reference prototype:
+ *
* int __kernel_cmpxchg(int oldval, int newval, int *ptr)
*
* Input:
@@ -642,6 +683,8 @@ __kuser_helper_start:
* The C flag is also set if *ptr was changed to allow for assembly
* optimization in the calling code.
*
+ * Note: this routine already includes memory barriers as needed.
+ *
* For example, a user space atomic_add implementation could look like this:
*
* #define atomic_add(ptr, val) \
@@ -698,10 +741,16 @@ __kuser_cmpxchg: @ 0xffff0fc0
#else
+#ifdef CONFIG_SMP
+ mcr p15, 0, r0, c7, c10, 5 @ dmb
+#endif
ldrex r3, [r2]
subs r3, r3, r0
strexeq r3, r1, [r2]
rsbs r0, r3, #0
+#ifdef CONFIG_SMP
+ mcr p15, 0, r0, c7, c10, 5 @ dmb
+#endif
mov pc, lr
#endif
diff --git a/arch/arm/kernel/entry-common.S b/arch/arm/kernel/entry-common.S
index f7f18307..e2b4299 100644
--- a/arch/arm/kernel/entry-common.S
+++ b/arch/arm/kernel/entry-common.S
@@ -145,7 +145,7 @@ ENTRY(vector_swi)
#endif
enable_irq
- str r4, [sp, #-S_OFF]! @ push fifth arg
+ stmdb sp!, {r4, r5} @ push fifth and sixth args
get_thread_info tsk
ldr ip, [tsk, #TI_FLAGS] @ check for syscall tracing
@@ -204,7 +204,7 @@ ENTRY(sys_call_table)
* Special system call wrappers
*/
@ r0 = syscall number
-@ r5 = syscall table
+@ r8 = syscall table
.type sys_syscall, #function
sys_syscall:
eor scno, r0, #__NR_SYSCALL_BASE
@@ -255,22 +255,6 @@ sys_sigaltstack_wrapper:
ldr r2, [sp, #S_OFF + S_SP]
b do_sigaltstack
-sys_futex_wrapper:
- str r5, [sp, #4] @ push sixth arg
- b sys_futex
-
-sys_arm_fadvise64_64_wrapper:
- str r5, [sp, #4] @ push r5 to stack
- b sys_arm_fadvise64_64
-
-sys_mbind_wrapper:
- str r5, [sp, #4]
- b sys_mbind
-
-sys_ipc_wrapper:
- str r5, [sp, #4] @ push sixth arg
- b sys_ipc
-
/*
* Note: off_4k (r5) is always units of 4K. If we can't do the requested
* offset, we return EINVAL.
diff --git a/arch/arm/kernel/module.c b/arch/arm/kernel/module.c
index 6055e14..055bf5d 100644
--- a/arch/arm/kernel/module.c
+++ b/arch/arm/kernel/module.c
@@ -101,6 +101,8 @@ apply_relocate(Elf32_Shdr *sechdrs, const char *strtab, unsigned int symindex,
break;
case R_ARM_PC24:
+ case R_ARM_CALL:
+ case R_ARM_JUMP24:
offset = (*(u32 *)loc & 0x00ffffff) << 2;
if (offset & 0x02000000)
offset -= 0x04000000;
diff --git a/arch/arm/kernel/ptrace.c b/arch/arm/kernel/ptrace.c
index 9a340e7..2b84f78 100644
--- a/arch/arm/kernel/ptrace.c
+++ b/arch/arm/kernel/ptrace.c
@@ -242,6 +242,15 @@ get_branch_address(struct task_struct *child, unsigned long pc, unsigned long in
*/
long aluop1, aluop2, ccbit;
+ if ((insn & 0x0fffffd0) == 0x012fff10) {
+ /*
+ * bx or blx
+ */
+ alt = get_user_reg(child, insn & 15);
+ break;
+ }
+
+
if ((insn & 0xf000) != 0xf000)
break;
diff --git a/arch/arm/mach-pxa/akita-ioexp.c b/arch/arm/mach-pxa/akita-ioexp.c
index f6d73cc..1b39874 100644
--- a/arch/arm/mach-pxa/akita-ioexp.c
+++ b/arch/arm/mach-pxa/akita-ioexp.c
@@ -124,17 +124,16 @@ static int max7310_detach_client(struct i2c_client *client)
}
static struct i2c_driver max7310_i2c_driver = {
- .owner = THIS_MODULE,
- .name = "akita-max7310",
+ .driver = {
+ .name = "akita-max7310",
+ },
.id = I2C_DRIVERID_AKITAIOEXP,
- .flags = I2C_DF_NOTIFY,
.attach_adapter = max7310_attach_adapter,
.detach_client = max7310_detach_client,
};
static struct i2c_client max7310_template = {
name: "akita-max7310",
- flags: I2C_CLIENT_ALLOW_USE,
driver: &max7310_i2c_driver,
};
diff --git a/arch/arm/mach-pxa/mainstone.c b/arch/arm/mach-pxa/mainstone.c
index 07892f4..277498a 100644
--- a/arch/arm/mach-pxa/mainstone.c
+++ b/arch/arm/mach-pxa/mainstone.c
@@ -43,6 +43,7 @@
#include <asm/arch/pxafb.h>
#include <asm/arch/mmc.h>
#include <asm/arch/irda.h>
+#include <asm/arch/ohci.h>
#include "generic.h"
@@ -393,6 +394,25 @@ static struct platform_device *platform_devices[] __initdata = {
&mst_flash_device[1],
};
+static int mainstone_ohci_init(struct device *dev)
+{
+ /* setup Port1 GPIO pin. */
+ pxa_gpio_mode( 88 | GPIO_ALT_FN_1_IN); /* USBHPWR1 */
+ pxa_gpio_mode( 89 | GPIO_ALT_FN_2_OUT); /* USBHPEN1 */
+
+ /* Set the Power Control Polarity Low and Power Sense
+ Polarity Low to active low. */
+ UHCHR = (UHCHR | UHCHR_PCPL | UHCHR_PSPL) &
+ ~(UHCHR_SSEP1 | UHCHR_SSEP2 | UHCHR_SSEP3 | UHCHR_SSE);
+
+ return 0;
+}
+
+static struct pxaohci_platform_data mainstone_ohci_platform_data = {
+ .port_mode = PMM_PERPORT_MODE,
+ .init = mainstone_ohci_init,
+};
+
static void __init mainstone_init(void)
{
int SW7 = 0; /* FIXME: get from SCR (Mst doc section 3.2.1.1) */
@@ -424,6 +444,7 @@ static void __init mainstone_init(void)
pxa_set_mci_info(&mainstone_mci_platform_data);
pxa_set_ficp_info(&mainstone_ficp_platform_data);
+ pxa_set_ohci_info(&mainstone_ohci_platform_data);
}
diff --git a/arch/arm/mach-pxa/pm.c b/arch/arm/mach-pxa/pm.c
index f74b9af..852ea72 100644
--- a/arch/arm/mach-pxa/pm.c
+++ b/arch/arm/mach-pxa/pm.c
@@ -155,19 +155,20 @@ int pxa_pm_enter(suspend_state_t state)
PSPR = 0;
/* restore registers */
+ RESTORE_GPLEVEL(0); RESTORE_GPLEVEL(1); RESTORE_GPLEVEL(2);
+ RESTORE(GPDR0); RESTORE(GPDR1); RESTORE(GPDR2);
RESTORE(GAFR0_L); RESTORE(GAFR0_U);
RESTORE(GAFR1_L); RESTORE(GAFR1_U);
RESTORE(GAFR2_L); RESTORE(GAFR2_U);
- RESTORE_GPLEVEL(0); RESTORE_GPLEVEL(1); RESTORE_GPLEVEL(2);
- RESTORE(GPDR0); RESTORE(GPDR1); RESTORE(GPDR2);
RESTORE(GRER0); RESTORE(GRER1); RESTORE(GRER2);
RESTORE(GFER0); RESTORE(GFER1); RESTORE(GFER2);
RESTORE(PGSR0); RESTORE(PGSR1); RESTORE(PGSR2);
#ifdef CONFIG_PXA27x
RESTORE(MDREFR);
- RESTORE(GAFR3_L); RESTORE(GAFR3_U); RESTORE_GPLEVEL(3);
- RESTORE(GPDR3); RESTORE(GRER3); RESTORE(GFER3); RESTORE(PGSR3);
+ RESTORE_GPLEVEL(3); RESTORE(GPDR3);
+ RESTORE(GAFR3_L); RESTORE(GAFR3_U);
+ RESTORE(GRER3); RESTORE(GFER3); RESTORE(PGSR3);
RESTORE(PWER); RESTORE(PCFR); RESTORE(PRER);
RESTORE(PFER); RESTORE(PKWR);
#endif
diff --git a/arch/arm/mach-pxa/pxa27x.c b/arch/arm/mach-pxa/pxa27x.c
index c722a9a..b41b1ef 100644
--- a/arch/arm/mach-pxa/pxa27x.c
+++ b/arch/arm/mach-pxa/pxa27x.c
@@ -21,6 +21,7 @@
#include <asm/hardware.h>
#include <asm/irq.h>
#include <asm/arch/pxa-regs.h>
+#include <asm/arch/ohci.h>
#include "generic.h"
@@ -194,6 +195,11 @@ static struct platform_device ohci_device = {
.resource = pxa27x_ohci_resources,
};
+void __init pxa_set_ohci_info(struct pxaohci_platform_data *info)
+{
+ ohci_device.dev.platform_data = info;
+}
+
static struct platform_device *devices[] __initdata = {
&ohci_device,
};
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