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| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-09-17 04:17:25 +0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-09-17 04:17:25 +0400 |
| commit | 6a2a2cdd57d11ee3117539b846a45df6efbd35b1 (patch) | |
| tree | b6ab218810666a75d6612bde4d4a224118c0834c /arch/arm/mach-omap2/sleep44xx.S | |
| parent | 8e360ec82322358056786e651322085af3ef6960 (diff) | |
| parent | 5698bd757d55b1bb87edd1a9744ab09c142abfc2 (diff) | |
| download | linux-6a2a2cdd57d11ee3117539b846a45df6efbd35b1.tar.xz | |
Merge 3.6-rc6 into staging-next
This pulls in the staging tree fixes in 3.6-rc6 into our branch to resolve the
merge issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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 9f6b83d1b193..91e71d8f46f0 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) /* |