diff options
| author | Olof Johansson <olof@lixom.net> | 2012-09-11 23:22:25 -0700 |
|---|---|---|
| committer | Olof Johansson <olof@lixom.net> | 2012-09-11 23:22:25 -0700 |
| commit | f46e374c1ea7fafce70a838f09fbd67de3e4d49f (patch) | |
| tree | e191e5316bdb8558bd3e2b0981c715bedd225ca7 /arch/arm/mach-omap2/sleep44xx.S | |
| parent | a4d3621e0d3ecf191961dc9214e4a378a7186780 (diff) | |
| parent | eb8ca943bae2b84c3fc14dfd7a908cb334465fef (diff) | |
Merge branch 'boards' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into next/boards
* 'boards' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas:
ARM: shmobile: marzen: enable thermal sensor
ARM: shmobile: marzen: fixup regulator id for smsc911x
ARM: shmobile: marzen: add SDHI0 support
+ sync to 3.6-rc4
Diffstat (limited to 'arch/arm/mach-omap2/sleep44xx.S')
| -rw-r--r-- | arch/arm/mach-omap2/sleep44xx.S | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/arch/arm/mach-omap2/sleep44xx.S b/arch/arm/mach-omap2/sleep44xx.S index 9f6b83d1b19..91e71d8f46f 100644 --- a/arch/arm/mach-omap2/sleep44xx.S +++ b/arch/arm/mach-omap2/sleep44xx.S @@ -56,9 +56,13 @@ ppa_por_params: * The restore function pointer is stored at CPUx_WAKEUP_NS_PA_ADDR_OFFSET. * It returns to the caller for CPU INACTIVE and ON power states or in case * CPU failed to transition to targeted OFF/DORMANT state. + * + * omap4_finish_suspend() calls v7_flush_dcache_all() which doesn't save + * stack frame and it expects the caller to take care of it. Hence the entire + * stack frame is saved to avoid possible stack corruption. */ ENTRY(omap4_finish_suspend) - stmfd sp!, {lr} + stmfd sp!, {r4-r12, lr} cmp r0, #0x0 beq do_WFI @ No lowpower state, jump to WFI @@ -226,7 +230,7 @@ scu_gp_clear: skip_scu_gp_clear: isb dsb - ldmfd sp!, {pc} + ldmfd sp!, {r4-r12, pc} ENDPROC(omap4_finish_suspend) /* |