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authorRussell King <rmk+kernel@arm.linux.org.uk>2011-06-21 16:29:30 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2011-06-24 08:48:45 +0100
commita9503d2185bbc28e498c435a07f24986c48b5cbe (patch)
tree86987b72ceccea710fa67085f51c6083a9fc672e /arch/arm/mach-pxa/pxa3xx.c
parent372c0ac8aca7655b6a8920b10bf9563402ac19d8 (diff)
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ARM: pm: pxa: move cpu_suspend into C code
We don't need a veneer for cpu_suspend, it can be called directly from C code now. Move it into the PXA CPU suspend functions, along with the accumulator register saving/restoring. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/mach-pxa/pxa3xx.c')
-rw-r--r--arch/arm/mach-pxa/pxa3xx.c13
1 files changed, 11 insertions, 2 deletions
diff --git a/arch/arm/mach-pxa/pxa3xx.c b/arch/arm/mach-pxa/pxa3xx.c
index 8521d7d6f1da..220fd8c15dab 100644
--- a/arch/arm/mach-pxa/pxa3xx.c
+++ b/arch/arm/mach-pxa/pxa3xx.c
@@ -141,8 +141,13 @@ static void pxa3xx_cpu_pm_suspend(void)
{
volatile unsigned long *p = (volatile void *)0xc0000000;
unsigned long saved_data = *p;
+#ifndef CONFIG_IWMMXT
+ u64 acc0;
- extern void pxa3xx_cpu_suspend(long);
+ asm volatile("mra %Q0, %R0, acc0" : "=r" (acc0));
+#endif
+
+ extern void pxa3xx_finish_suspend(unsigned long);
/* resuming from D2 requires the HSIO2/BOOT/TPM clocks enabled */
CKENA |= (1 << CKEN_BOOT) | (1 << CKEN_TPM);
@@ -162,11 +167,15 @@ static void pxa3xx_cpu_pm_suspend(void)
/* overwrite with the resume address */
*p = virt_to_phys(cpu_resume);
- pxa3xx_cpu_suspend(PLAT_PHYS_OFFSET - PAGE_OFFSET);
+ cpu_suspend(0, PHYS_OFFSET - PAGE_OFFSET, 0, pxa3xx_finish_suspend);
*p = saved_data;
AD3ER = 0;
+
+#ifndef CONFIG_IWMMXT
+ asm volatile("mar acc0, %Q0, %R0" : "=r" (acc0));
+#endif
}
static void pxa3xx_cpu_pm_enter(suspend_state_t state)