[U-Boot] [PATCH 03/30] x86: Add debugging when cpu_common_init() fails

Simon Glass sjg at chromium.org
Tue Jul 26 02:58:59 CEST 2016


Add a debug() at this point to help figure out what is wrong.

Signed-off-by: Simon Glass <sjg at chromium.org>
---

 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 0f93905..85e361a 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);
-- 
2.8.0.rc3.226.g39d4020



More information about the U-Boot mailing list