[PATCH 3.2 054/185] x86/microcode/amd: Tone down printk(), don't treat a missing firmware file as an error

Ben Hutchings
2013-12-29T02:08:43Z

From: Thomas Renninger <trenn@suse.de>

commit 11f918d3e2d3861b6931e97b3aa778e4984935aa upstream.

Do it the same way as done in microcode_intel.c: use pr_debug()
for missing firmware files.

There seem to be CPUs out there for which no microcode update
has been submitted to kernel-firmware repo yet resulting in
scary sounding error messages in dmesg:

microcode: failed to load file amd-ucode/microcode_amd_fam16h.bin

Signed-off-by: Thomas Renninger <trenn@suse.de>
Acked-by: Borislav Petkov <bp@suse.de>
Link: http://lkml.kernel.org/r/1384274383-43510-1-git-send-email-trenn@suse.de
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
---
arch/x86/kernel/microcode_amd.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

--- a/arch/x86/kernel/microcode_amd.c
+++ b/arch/x86/kernel/microcode_amd.c
@@ -331,7 +331,7 @@ static enum ucode_state request_microcod
snprintf(fw_name, sizeof(fw_name), "amd-ucode/microcode_amd_fam%.2xh.bin", c->x86);

if (request_firmware(&fw, (const char *)fw_name, device)) {
- pr_err("failed to load file %s\n", fw_name);
+ pr_debug("failed to load file %s\n", fw_name);
goto out;
}