diff options
| author | Varun Wadekar <vwadekar@nvidia.com> | 2011-12-06 17:30:03 +0530 |
|---|---|---|
| committer | Varun Wadekar <vwadekar@nvidia.com> | 2011-12-14 11:08:28 +0530 |
| commit | f05a661e2247076a0c0e5a09ee8c4397b0de855e (patch) | |
| tree | fee4ad41cbb53d97c3e446abd9efc4d968a700db /arch/arm/mach-tegra/sleep.S | |
| parent | c6f030eb7950f70a838f00e342ab72e895284263 (diff) | |
arm: tegra: pm: preserve r4 - r11 across a suspend
Make cpu_suspend()..return function preserve r4 to r11 across a suspend
cycle. This is in preparation of relieving platform support code from
this task.
Original commit: 5fa94c812c0001ac7c3d8868e956ec514734a352
Bug 911002
Change-Id: If33c32ba7de449288eac8f83cb0898ba77a46333
Acked-by: Frank Hofmann <frank.hofmann@tomtom.com>
Tested-by: Kevin Hilman <khilman@ti.com>
Acked-by: Jean Pihet <j-pihet@ti.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Mayuresh Kulkarni <mkulkarni@nvidia.com>
Signed-off-by: Varun Wadekar <vwadekar@nvidia.com>
Diffstat (limited to 'arch/arm/mach-tegra/sleep.S')
| -rw-r--r-- | arch/arm/mach-tegra/sleep.S | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/arm/mach-tegra/sleep.S b/arch/arm/mach-tegra/sleep.S index e129c571d52c..38e5f69a3437 100644 --- a/arch/arm/mach-tegra/sleep.S +++ b/arch/arm/mach-tegra/sleep.S @@ -202,12 +202,13 @@ tegra_phys_sleep_sp: * r3 = virtual return function * Output: * sp is decremented to allocate space for CPU state on stack - * r0-r3,r8-r10,lr corrupted + * r0-r3,ip,lr corrupted */ .align L1_CACHE_SHIFT ENTRY(tegra_cpu_suspend) #if USE_TEGRA_CPU_SUSPEND stmfd sp!, {r3} + stmfd sp!, {r4 - r11} mov r9, lr #ifdef MULTI_CPU mov32 r10, processor |