x86: Add debugging when cpu_common_init() fails
Add a debug() at this point to help figure out what is wrong.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
diff --git a/arch/x86/cpu/ivybridge/cpu.c b/arch/x86/cpu/ivybridge/cpu.c
index 0f93905..85e361a 100644
--- a/arch/x86/cpu/ivybridge/cpu.c
+++ b/arch/x86/cpu/ivybridge/cpu.c
@@ -146,8 +146,10 @@
}
ret = cpu_common_init();
- if (ret)
+ if (ret) {
+ debug("%s: cpu_common_init() failed\n", __func__);
return ret;
+ }
/* Check PM1_STS[15] to see if we are waking from Sx */
pm1_sts = inw(DEFAULT_PMBASE + PM1_STS);