diff --git a/[refs] b/[refs] index b77058a87c6f..001ed1c2117c 100644 --- a/[refs] +++ b/[refs] @@ -1,2 +1,2 @@ --- -refs/heads/master: e0e29fd74c3c8bd2ef83bbaa73d528d58a944610 +refs/heads/master: 5b6e3eb576e8ad03264d46982afed77bdc6323a3 diff --git a/trunk/arch/arm/mach-omap2/sleep44xx.S b/trunk/arch/arm/mach-omap2/sleep44xx.S index 9f6b83d1b193..91e71d8f46f0 100644 --- a/trunk/arch/arm/mach-omap2/sleep44xx.S +++ b/trunk/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) /*