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authorOlof Johansson <olof@lixom.net>2012-05-26 13:30:41 -0700
committerOlof Johansson <olof@lixom.net>2012-05-26 13:30:41 -0700
commit67e7ebc21ff5a5bbcb10c9a980896f0e253bcd40 (patch)
treef12706b80194f48aad3a1bd70ae9215d48875591 /arch/arm
parent516fb7a22a5347dc6db731369c365ed1f9b64632 (diff)
parentc533f32e1ac440b8840159f89ece8c9cca2422b5 (diff)
downloadop-kernel-dev-67e7ebc21ff5a5bbcb10c9a980896f0e253bcd40.zip
op-kernel-dev-67e7ebc21ff5a5bbcb10c9a980896f0e253bcd40.tar.gz
Merge branch 'vexpress-v3.4' of git://git.linaro.org/people/pawelmoll/linux into late/soc
A few device tree updates and an include file fix for versatile. * 'vexpress-v3.4' of git://git.linaro.org/people/pawelmoll/linux: ARM: vexpress: Remove twice included header files ARM: vexpress: Device Tree updates + update to 3.4 Signed-off-by: Olof Johansson <olof@lixom.net>
Diffstat (limited to 'arch/arm')
-rw-r--r--arch/arm/boot/dts/vexpress-v2p-ca15-tc1.dts13
-rw-r--r--arch/arm/boot/dts/vexpress-v2p-ca5s.dts13
-rw-r--r--arch/arm/boot/dts/vexpress-v2p-ca9.dts9
-rw-r--r--arch/arm/mach-prima2/irq.c6
-rw-r--r--arch/arm/mach-tegra/flowctrl.c4
-rw-r--r--arch/arm/mach-vexpress/v2m.c2
-rw-r--r--arch/arm/mm/fault.c4
-rw-r--r--arch/arm/mm/mmu.c3
-rw-r--r--arch/arm/vfp/vfpmodule.c24
9 files changed, 47 insertions, 31 deletions
diff --git a/arch/arm/boot/dts/vexpress-v2p-ca15-tc1.dts b/arch/arm/boot/dts/vexpress-v2p-ca15-tc1.dts
index 941b161..7e1091d 100644
--- a/arch/arm/boot/dts/vexpress-v2p-ca15-tc1.dts
+++ b/arch/arm/boot/dts/vexpress-v2p-ca15-tc1.dts
@@ -73,7 +73,10 @@
#address-cells = <0>;
interrupt-controller;
reg = <0x2c001000 0x1000>,
- <0x2c002000 0x100>;
+ <0x2c002000 0x1000>,
+ <0x2c004000 0x2000>,
+ <0x2c006000 0x2000>;
+ interrupts = <1 9 0xf04>;
};
memory-controller@7ffd0000 {
@@ -93,6 +96,14 @@
<0 91 4>;
};
+ timer {
+ compatible = "arm,armv7-timer";
+ interrupts = <1 13 0xf08>,
+ <1 14 0xf08>,
+ <1 11 0xf08>,
+ <1 10 0xf08>;
+ };
+
pmu {
compatible = "arm,cortex-a15-pmu", "arm,cortex-a9-pmu";
interrupts = <0 68 4>,
diff --git a/arch/arm/boot/dts/vexpress-v2p-ca5s.dts b/arch/arm/boot/dts/vexpress-v2p-ca5s.dts
index 6905e66d..18917a0 100644
--- a/arch/arm/boot/dts/vexpress-v2p-ca5s.dts
+++ b/arch/arm/boot/dts/vexpress-v2p-ca5s.dts
@@ -77,13 +77,18 @@
timer@2c000600 {
compatible = "arm,cortex-a5-twd-timer";
- reg = <0x2c000600 0x38>;
- interrupts = <1 2 0x304>,
- <1 3 0x304>;
+ reg = <0x2c000600 0x20>;
+ interrupts = <1 13 0x304>;
+ };
+
+ watchdog@2c000620 {
+ compatible = "arm,cortex-a5-twd-wdt";
+ reg = <0x2c000620 0x20>;
+ interrupts = <1 14 0x304>;
};
gic: interrupt-controller@2c001000 {
- compatible = "arm,corex-a5-gic", "arm,cortex-a9-gic";
+ compatible = "arm,cortex-a5-gic", "arm,cortex-a9-gic";
#interrupt-cells = <3>;
#address-cells = <0>;
interrupt-controller;
diff --git a/arch/arm/boot/dts/vexpress-v2p-ca9.dts b/arch/arm/boot/dts/vexpress-v2p-ca9.dts
index da77869..3f0c736 100644
--- a/arch/arm/boot/dts/vexpress-v2p-ca9.dts
+++ b/arch/arm/boot/dts/vexpress-v2p-ca9.dts
@@ -105,8 +105,13 @@
timer@1e000600 {
compatible = "arm,cortex-a9-twd-timer";
reg = <0x1e000600 0x20>;
- interrupts = <1 2 0xf04>,
- <1 3 0xf04>;
+ interrupts = <1 13 0xf04>;
+ };
+
+ watchdog@1e000620 {
+ compatible = "arm,cortex-a9-twd-wdt";
+ reg = <0x1e000620 0x20>;
+ interrupts = <1 14 0xf04>;
};
gic: interrupt-controller@1e001000 {
diff --git a/arch/arm/mach-prima2/irq.c b/arch/arm/mach-prima2/irq.c
index 37c2de9..a7b9415 100644
--- a/arch/arm/mach-prima2/irq.c
+++ b/arch/arm/mach-prima2/irq.c
@@ -42,7 +42,8 @@ sirfsoc_alloc_gc(void __iomem *base, unsigned int irq_start, unsigned int num)
static __init void sirfsoc_irq_init(void)
{
sirfsoc_alloc_gc(sirfsoc_intc_base, 0, 32);
- sirfsoc_alloc_gc(sirfsoc_intc_base + 4, 32, SIRFSOC_INTENAL_IRQ_END - 32);
+ sirfsoc_alloc_gc(sirfsoc_intc_base + 4, 32,
+ SIRFSOC_INTENAL_IRQ_END + 1 - 32);
writel_relaxed(0, sirfsoc_intc_base + SIRFSOC_INT_RISC_LEVEL0);
writel_relaxed(0, sirfsoc_intc_base + SIRFSOC_INT_RISC_LEVEL1);
@@ -68,7 +69,8 @@ void __init sirfsoc_of_irq_init(void)
if (!sirfsoc_intc_base)
panic("unable to map intc cpu registers\n");
- irq_domain_add_legacy(np, 32, 0, 0, &irq_domain_simple_ops, NULL);
+ irq_domain_add_legacy(np, SIRFSOC_INTENAL_IRQ_END + 1, 0, 0,
+ &irq_domain_simple_ops, NULL);
of_node_put(np);
diff --git a/arch/arm/mach-tegra/flowctrl.c b/arch/arm/mach-tegra/flowctrl.c
index fef66a7..f07488e 100644
--- a/arch/arm/mach-tegra/flowctrl.c
+++ b/arch/arm/mach-tegra/flowctrl.c
@@ -53,10 +53,10 @@ static void flowctrl_update(u8 offset, u32 value)
void flowctrl_write_cpu_csr(unsigned int cpuid, u32 value)
{
- return flowctrl_update(flowctrl_offset_halt_cpu[cpuid], value);
+ return flowctrl_update(flowctrl_offset_cpu_csr[cpuid], value);
}
void flowctrl_write_cpu_halt(unsigned int cpuid, u32 value)
{
- return flowctrl_update(flowctrl_offset_cpu_csr[cpuid], value);
+ return flowctrl_update(flowctrl_offset_halt_cpu[cpuid], value);
}
diff --git a/arch/arm/mach-vexpress/v2m.c b/arch/arm/mach-vexpress/v2m.c
index 47cdcca..e769ab6 100644
--- a/arch/arm/mach-vexpress/v2m.c
+++ b/arch/arm/mach-vexpress/v2m.c
@@ -14,7 +14,6 @@
#include <linux/ata_platform.h>
#include <linux/smsc911x.h>
#include <linux/spinlock.h>
-#include <linux/device.h>
#include <linux/usb/isp1760.h>
#include <linux/clkdev.h>
#include <linux/mtd/physmap.h>
@@ -29,7 +28,6 @@
#include <asm/hardware/gic.h>
#include <asm/hardware/timer-sp.h>
#include <asm/hardware/sp810.h>
-#include <asm/hardware/gic.h>
#include <mach/ct-ca9x4.h>
#include <mach/motherboard.h>
diff --git a/arch/arm/mm/fault.c b/arch/arm/mm/fault.c
index f074675..5bb4835 100644
--- a/arch/arm/mm/fault.c
+++ b/arch/arm/mm/fault.c
@@ -247,7 +247,9 @@ good_area:
return handle_mm_fault(mm, vma, addr & PAGE_MASK, flags);
check_stack:
- if (vma->vm_flags & VM_GROWSDOWN && !expand_stack(vma, addr))
+ /* Don't allow expansion below FIRST_USER_ADDRESS */
+ if (vma->vm_flags & VM_GROWSDOWN &&
+ addr >= FIRST_USER_ADDRESS && !expand_stack(vma, addr))
goto good_area;
out:
return fault;
diff --git a/arch/arm/mm/mmu.c b/arch/arm/mm/mmu.c
index 2c7cf2f..aa78de8 100644
--- a/arch/arm/mm/mmu.c
+++ b/arch/arm/mm/mmu.c
@@ -489,7 +489,8 @@ static void __init build_mem_type_table(void)
*/
for (i = 0; i < ARRAY_SIZE(mem_types); i++) {
mem_types[i].prot_pte |= PTE_EXT_AF;
- mem_types[i].prot_sect |= PMD_SECT_AF;
+ if (mem_types[i].prot_sect)
+ mem_types[i].prot_sect |= PMD_SECT_AF;
}
kern_pgprot |= PTE_EXT_AF;
vecs_pgprot |= PTE_EXT_AF;
diff --git a/arch/arm/vfp/vfpmodule.c b/arch/arm/vfp/vfpmodule.c
index bc683b8..b0197b2 100644
--- a/arch/arm/vfp/vfpmodule.c
+++ b/arch/arm/vfp/vfpmodule.c
@@ -11,6 +11,7 @@
#include <linux/types.h>
#include <linux/cpu.h>
#include <linux/cpu_pm.h>
+#include <linux/hardirq.h>
#include <linux/kernel.h>
#include <linux/notifier.h>
#include <linux/signal.h>
@@ -432,7 +433,10 @@ void VFP_bounce(u32 trigger, u32 fpexc, struct pt_regs *regs)
static void vfp_enable(void *unused)
{
- u32 access = get_copro_access();
+ u32 access;
+
+ BUG_ON(preemptible());
+ access = get_copro_access();
/*
* Enable full access to VFP (cp10 and cp11)
@@ -573,12 +577,6 @@ int vfp_preserve_user_clear_hwstate(struct user_vfp __user *ufp,
* entry.
*/
hwstate->fpscr &= ~(FPSCR_LENGTH_MASK | FPSCR_STRIDE_MASK);
-
- /*
- * Disable VFP in the hwstate so that we can detect if it gets
- * used.
- */
- hwstate->fpexc &= ~FPEXC_EN;
return 0;
}
@@ -591,12 +589,8 @@ int vfp_restore_user_hwstate(struct user_vfp __user *ufp,
unsigned long fpexc;
int err = 0;
- /*
- * If VFP has been used, then disable it to avoid corrupting
- * the new thread state.
- */
- if (hwstate->fpexc & FPEXC_EN)
- vfp_flush_hwstate(thread);
+ /* Disable VFP to avoid corrupting the new thread state. */
+ vfp_flush_hwstate(thread);
/*
* Copy the floating point registers. There can be unused
@@ -657,7 +651,7 @@ static int __init vfp_init(void)
unsigned int cpu_arch = cpu_architecture();
if (cpu_arch >= CPU_ARCH_ARMv6)
- vfp_enable(NULL);
+ on_each_cpu(vfp_enable, NULL, 1);
/*
* First check that there is a VFP that we can use.
@@ -678,8 +672,6 @@ static int __init vfp_init(void)
} else {
hotcpu_notifier(vfp_hotplug, 0);
- smp_call_function(vfp_enable, NULL, 1);
-
VFP_arch = (vfpsid & FPSID_ARCH_MASK) >> FPSID_ARCH_BIT; /* Extract the architecture version */
printk("implementor %02x architecture %d part %02x variant %x rev %x\n",
(vfpsid & FPSID_IMPLEMENTER_MASK) >> FPSID_IMPLEMENTER_BIT,
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