From 4cc00f0611c4b491f6dd1f6a5582d24a41f12769 Mon Sep 17 00:00:00 2001
From: Simon Glass <sjg@chromium.org>
Date: Mon, 25 Jul 2016 18:58:59 -0600
Subject: [PATCH] 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>
---
arch/x86/cpu/ivybridge/cpu.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/arch/x86/cpu/ivybridge/cpu.c b/arch/x86/cpu/ivybridge/cpu.c
index 0f9390517f..85e361a58f 100644
--- a/arch/x86/cpu/ivybridge/cpu.c
+++ b/arch/x86/cpu/ivybridge/cpu.c
@@ -146,8 +146,10 @@ int print_cpuinfo(void)
}
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);
--
2.39.5