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authorRussell King <rmk+kernel@arm.linux.org.uk>2011-06-21 19:29:30 +0400
committerRussell King <rmk+kernel@arm.linux.org.uk>2011-06-24 11:48:45 +0400
commita9503d2185bbc28e498c435a07f24986c48b5cbe (patch)
tree86987b72ceccea710fa67085f51c6083a9fc672e /arch/arm/mach-pxa/pxa27x.c
parent372c0ac8aca7655b6a8920b10bf9563402ac19d8 (diff)
downloadlinux-a9503d2185bbc28e498c435a07f24986c48b5cbe.tar.xz
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/pxa27x.c')
-rw-r--r--arch/arm/mach-pxa/pxa27x.c11
1 files changed, 10 insertions, 1 deletions
diff --git a/arch/arm/mach-pxa/pxa27x.c b/arch/arm/mach-pxa/pxa27x.c
index 2fecbec58d88..824379d43758 100644
--- a/arch/arm/mach-pxa/pxa27x.c
+++ b/arch/arm/mach-pxa/pxa27x.c
@@ -284,6 +284,11 @@ void pxa27x_cpu_pm_restore(unsigned long *sleep_save)
void pxa27x_cpu_pm_enter(suspend_state_t state)
{
extern void pxa_cpu_standby(void);
+#ifndef CONFIG_IWMMXT
+ u64 acc0;
+
+ asm volatile("mra %Q0, %R0, acc0" : "=r" (acc0));
+#endif
/* ensure voltage-change sequencer not initiated, which hangs */
PCFR &= ~PCFR_FVC;
@@ -299,7 +304,11 @@ void pxa27x_cpu_pm_enter(suspend_state_t state)
pxa_cpu_standby();
break;
case PM_SUSPEND_MEM:
- pxa27x_cpu_suspend(pwrmode, PLAT_PHYS_OFFSET - PAGE_OFFSET);
+ cpu_suspend(0, PHYS_OFFSET - PAGE_OFFSET, pwrmode,
+ pxa27x_finish_suspend);
+#ifndef CONFIG_IWMMXT
+ asm volatile("mar acc0, %Q0, %R0" : "=r" (acc0));
+#endif
break;
}
}