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author | Takashi Iwai <tiwai@suse.de> | 2012-03-18 18:22:37 +0100 |
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committer | Takashi Iwai <tiwai@suse.de> | 2012-03-18 18:22:37 +0100 |
commit | cb3f2adc03ab055b19c677a6283523861fafebdd (patch) | |
tree | 59cfb6800f0635a4aec16c8e0da619f27e51ee79 /arch/x86/kernel/microcode_amd.c | |
parent | 44c76a960a62fcc46cbcaa0a22a34e666a729329 (diff) | |
parent | 828006de1bddf83b6ecf03ec459c15f7c7c22db7 (diff) | |
download | op-kernel-dev-cb3f2adc03ab055b19c677a6283523861fafebdd.zip op-kernel-dev-cb3f2adc03ab055b19c677a6283523861fafebdd.tar.gz |
Merge branch 'topic/asoc' into for-linus
Diffstat (limited to 'arch/x86/kernel/microcode_amd.c')
-rw-r--r-- | arch/x86/kernel/microcode_amd.c | 24 |
1 files changed, 22 insertions, 2 deletions
diff --git a/arch/x86/kernel/microcode_amd.c b/arch/x86/kernel/microcode_amd.c index fe86493..ac0417b 100644 --- a/arch/x86/kernel/microcode_amd.c +++ b/arch/x86/kernel/microcode_amd.c @@ -311,13 +311,33 @@ out: return state; } +/* + * AMD microcode firmware naming convention, up to family 15h they are in + * the legacy file: + * + * amd-ucode/microcode_amd.bin + * + * This legacy file is always smaller than 2K in size. + * + * Starting at family 15h they are in family specific firmware files: + * + * amd-ucode/microcode_amd_fam15h.bin + * amd-ucode/microcode_amd_fam16h.bin + * ... + * + * These might be larger than 2K. + */ static enum ucode_state request_microcode_amd(int cpu, struct device *device) { - const char *fw_name = "amd-ucode/microcode_amd.bin"; + char fw_name[36] = "amd-ucode/microcode_amd.bin"; const struct firmware *fw; enum ucode_state ret = UCODE_NFOUND; + struct cpuinfo_x86 *c = &cpu_data(cpu); + + if (c->x86 >= 0x15) + snprintf(fw_name, sizeof(fw_name), "amd-ucode/microcode_amd_fam%.2xh.bin", c->x86); - if (request_firmware(&fw, fw_name, device)) { + if (request_firmware(&fw, (const char *)fw_name, device)) { pr_err("failed to load file %s\n", fw_name); goto out; } |