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authorLinus Torvalds <torvalds@woody.linux-foundation.org>2007-06-07 17:02:29 -0700
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-06-07 17:02:29 -0700
commitc52ecdab06ff3b4d0f8914951eb74dc8b049f51c (patch)
tree291a55adb3be3fec45dcc6affa72d9d1244ba42a /arch
parentdc315011312f04433e0fdd34b6a3dde4bfde1e48 (diff)
parentc0f85a82484c25d23b44a87a35daddb2b276b4aa (diff)
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Merge master.kernel.org:/home/rmk/linux-2.6-arm
* master.kernel.org:/home/rmk/linux-2.6-arm: [ARM] pxa: fix pxa27x keyboard driver [ARM] Fix 4417/1: Serial: Fix AMBA drivers locking [ARM] 4421/1: AT91: Value of _KEY fields. [ARM] Solve buggy smp_processor_id() usage [ARM] 4422/1: Fix default value handling in gpio_direction_output (PXA) [ARM] 4419/1: AT91: SAM9 USB clocks check for suspending [ARM] 4418/1: AT91: Number of programmable clocks differs [ARM] 4392/2: Do not corrupt the SP register in compressed/head.S
Diffstat (limited to 'arch')
-rw-r--r--arch/arm/boot/compressed/head.S5
-rw-r--r--arch/arm/mach-at91/clock.c5
-rw-r--r--arch/arm/mach-at91/pm.c11
-rw-r--r--arch/arm/oprofile/op_model_mpcore.c2
4 files changed, 11 insertions, 12 deletions
diff --git a/arch/arm/boot/compressed/head.S b/arch/arm/boot/compressed/head.S
index 2568d311be21..23348e9561b9 100644
--- a/arch/arm/boot/compressed/head.S
+++ b/arch/arm/boot/compressed/head.S
@@ -247,7 +247,7 @@ not_relocated: mov r0, #0
mov r3, r7
bl decompress_kernel
- add r0, r0, #127
+ add r0, r0, #127 + 128 @ alignment + stack
bic r0, r0, #127 @ align the kernel length
/*
* r0 = decompressed kernel length
@@ -269,6 +269,7 @@ not_relocated: mov r0, #0
stmia r1!, {r9 - r14}
cmp r2, r3
blo 1b
+ add sp, r1, #128 @ relocate the stack
bl cache_clean_flush
add pc, r5, r0 @ call relocation code
@@ -476,6 +477,7 @@ __common_mmu_cache_on:
*/
.align 5
reloc_start: add r9, r5, r0
+ sub r9, r9, #128 @ do not copy the stack
debug_reloc_start
mov r1, r4
1:
@@ -486,6 +488,7 @@ reloc_start: add r9, r5, r0
cmp r5, r9
blo 1b
+ add sp, r1, #128 @ relocate the stack
debug_reloc_end
call_kernel: bl cache_clean_flush
diff --git a/arch/arm/mach-at91/clock.c b/arch/arm/mach-at91/clock.c
index 06c9a0507d0d..848efb2a4ebf 100644
--- a/arch/arm/mach-at91/clock.c
+++ b/arch/arm/mach-at91/clock.c
@@ -364,19 +364,14 @@ static int at91_clk_show(struct seq_file *s, void *unused)
{
u32 scsr, pcsr, sr;
struct clk *clk;
- unsigned i;
seq_printf(s, "SCSR = %8x\n", scsr = at91_sys_read(AT91_PMC_SCSR));
seq_printf(s, "PCSR = %8x\n", pcsr = at91_sys_read(AT91_PMC_PCSR));
-
seq_printf(s, "MOR = %8x\n", at91_sys_read(AT91_CKGR_MOR));
seq_printf(s, "MCFR = %8x\n", at91_sys_read(AT91_CKGR_MCFR));
seq_printf(s, "PLLA = %8x\n", at91_sys_read(AT91_CKGR_PLLAR));
seq_printf(s, "PLLB = %8x\n", at91_sys_read(AT91_CKGR_PLLBR));
-
seq_printf(s, "MCKR = %8x\n", at91_sys_read(AT91_PMC_MCKR));
- for (i = 0; i < 4; i++)
- seq_printf(s, "PCK%d = %8x\n", i, at91_sys_read(AT91_PMC_PCKR(i)));
seq_printf(s, "SR = %8x\n", sr = at91_sys_read(AT91_PMC_SR));
seq_printf(s, "\n");
diff --git a/arch/arm/mach-at91/pm.c b/arch/arm/mach-at91/pm.c
index ff8db29e989e..47ff676aca5f 100644
--- a/arch/arm/mach-at91/pm.c
+++ b/arch/arm/mach-at91/pm.c
@@ -76,12 +76,11 @@ static int at91_pm_verify_clocks(void)
pr_debug("AT91: PM - Suspend-to-RAM with USB still active\n");
return 0;
}
- } else if (cpu_is_at91sam9260()) {
-#warning "Check SAM9260 USB clocks"
- } else if (cpu_is_at91sam9261()) {
-#warning "Check SAM9261 USB clocks"
- } else if (cpu_is_at91sam9263()) {
-#warning "Check SAM9263 USB clocks"
+ } else if (cpu_is_at91sam9260() || cpu_is_at91sam9261() || cpu_is_at91sam9263()) {
+ if ((scsr & (AT91SAM926x_PMC_UHP | AT91SAM926x_PMC_UDP)) != 0) {
+ pr_debug("AT91: PM - Suspend-to-RAM with USB still active\n");
+ return 0;
+ }
}
#ifdef CONFIG_AT91_PROGRAMMABLE_CLOCKS
diff --git a/arch/arm/oprofile/op_model_mpcore.c b/arch/arm/oprofile/op_model_mpcore.c
index 7791da791f5f..75bae067922d 100644
--- a/arch/arm/oprofile/op_model_mpcore.c
+++ b/arch/arm/oprofile/op_model_mpcore.c
@@ -200,8 +200,10 @@ static int em_call_function(int (*fn)(void))
data.fn = fn;
data.ret = 0;
+ preempt_disable();
smp_call_function(em_func, &data, 1, 1);
em_func(&data);
+ preempt_enable();
return data.ret;
}