diff options
| author | Anson Huang <b20788@freescale.com> | 2012-10-09 11:04:42 -0400 |
|---|---|---|
| committer | Ranjani Vaidyanathan <ra5478@freescale.com> | 2012-10-08 18:45:46 -0500 |
| commit | ea2d0606fb7e7b3ed162e95736b8f78a986b4235 (patch) | |
| tree | ad14ddcef34b18d48c54cafcae1ab6b14421971b | |
| parent | d2018669be5c67a1c5907c2c5cb57b6567b7ecc4 (diff) | |
ENGR00227425 mx6sl: Need to save all registers before calling C function
Different linker may use r12, we should save/restore all
registers(r0-r12) before calling C function to prevent
these registers from corruption in C code.
Signed-off-by: Anson Huang <b20788@freescale.com>
| -rw-r--r-- | arch/arm/mach-mx6/mx6_suspend.S | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/arm/mach-mx6/mx6_suspend.S b/arch/arm/mach-mx6/mx6_suspend.S index a39eb94cfecd..e8fd2b259aae 100644 --- a/arch/arm/mach-mx6/mx6_suspend.S +++ b/arch/arm/mach-mx6/mx6_suspend.S @@ -1531,11 +1531,11 @@ restore control register to enable cache #endif mov r8, lr - push {r0} + push {r0-r12} /* Set up the per-CPU stacks */ bl cpu_init - pop {r0} + pop {r0-r12} /* * Restore the MMU table entry that was modified for |