diff options
Diffstat (limited to 'drivers/cpufreq')
| -rw-r--r-- | drivers/cpufreq/powernow-k8.c | 21 |
1 files changed, 19 insertions, 2 deletions
diff --git a/drivers/cpufreq/powernow-k8.c b/drivers/cpufreq/powernow-k8.c index 056faf6af1a9..0234d0c6d68c 100644 --- a/drivers/cpufreq/powernow-k8.c +++ b/drivers/cpufreq/powernow-k8.c @@ -1249,6 +1249,24 @@ static struct cpufreq_driver cpufreq_amd64_driver = { .attr = powernow_k8_attr, }; +static void __request_acpi_cpufreq(void) +{ + const char *cur_drv, *drv = "acpi-cpufreq"; + + cur_drv = cpufreq_get_current_driver(); + if (!cur_drv) + goto request; + + if (strncmp(cur_drv, drv, min_t(size_t, strlen(cur_drv), strlen(drv)))) + pr_warn(PFX "WTF driver: %s\n", cur_drv); + + return; + + request: + pr_warn(PFX "This CPU is not supported anymore, using acpi-cpufreq instead.\n"); + request_module(drv); +} + /* driver entry point for init */ static int __cpuinit powernowk8_init(void) { @@ -1256,8 +1274,7 @@ static int __cpuinit powernowk8_init(void) int rv; if (static_cpu_has(X86_FEATURE_HW_PSTATE)) { - pr_warn(PFX "this CPU is not supported anymore, using acpi-cpufreq instead.\n"); - request_module("acpi-cpufreq"); + __request_acpi_cpufreq(); return -ENODEV; } |