diff options
| author | Varun Wadekar <vwadekar@nvidia.com> | 2011-12-06 17:30:03 +0530 |
|---|---|---|
| committer | Dan Willemsen <dwillemsen@nvidia.com> | 2012-03-22 23:49:27 -0700 |
| commit | 8cff9c82526b2ee1275e4526ee64bc6e923b0984 (patch) | |
| tree | 4428edf7b1bbbe9cad084c530683c41bb31db58c /arch/arm/mach-tegra/sleep.S | |
| parent | 39dc9e7c3b98a7909a427aa29303b387ffba7e18 (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>
Rebase-Id: R79c9865c168b8fde6a02b1ddce1bd98400e19161
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 2dab27ce7180..135853100aeb 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 |