diff options
| author | Grant Likely <grant.likely@secretlab.ca> | 2012-02-22 18:36:17 -0700 |
|---|---|---|
| committer | Grant Likely <grant.likely@secretlab.ca> | 2012-02-22 18:36:17 -0700 |
| commit | daefd89efc279b142bbb054577c2d706da211723 (patch) | |
| tree | 2298056232548f6f22d7bbff2662a2bbf64520de /arch/x86/kernel/microcode_amd.c | |
| parent | 6e33aceda2d82126e9d08a39e21a15be0dd00a6c (diff) | |
| parent | f86bcc302a8c570dd0f5a50097a6af96a0e717c2 (diff) | |
Merge branch 'for_3.4/gpio/runtime-pm-cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-omap-pm into gpio/next
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 fe86493f3ed..ac0417be913 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; } |