提交 56835e6c 编写于 作者: B Borislav Petkov 提交者: Rafael J. Wysocki

cpufreq / powernow-k8: Fixup missing _PSS objects message

_PSS objects can also be missing if Cool'N'Quiet is disabled in the
BIOS. Add that to the FW_BUG message for the user to try before updating
her BIOS. Fix formatting while at it.
Acked-by: NMark Langsdorf <mark.langsdorf@amd.com>
Signed-off-by: NBorislav Petkov <borislav.petkov@amd.com>
Signed-off-by: NRafael J. Wysocki <rjw@sisk.pl>
上级 2d175069
...@@ -1265,12 +1265,15 @@ static void __cpuinit powernowk8_cpu_init_on_cpu(void *_init_on_cpu) ...@@ -1265,12 +1265,15 @@ static void __cpuinit powernowk8_cpu_init_on_cpu(void *_init_on_cpu)
init_on_cpu->rc = 0; init_on_cpu->rc = 0;
} }
static const char missing_pss_msg[] =
KERN_ERR
FW_BUG PFX "No compatible ACPI _PSS objects found.\n"
FW_BUG PFX "First, make sure Cool'N'Quiet is enabled in the BIOS.\n"
FW_BUG PFX "If that doesn't help, try upgrading your BIOS.\n";
/* per CPU init entry point to the driver */ /* per CPU init entry point to the driver */
static int __cpuinit powernowk8_cpu_init(struct cpufreq_policy *pol) static int __cpuinit powernowk8_cpu_init(struct cpufreq_policy *pol)
{ {
static const char ACPI_PSS_BIOS_BUG_MSG[] =
KERN_ERR FW_BUG PFX "No compatible ACPI _PSS objects found.\n"
FW_BUG PFX "Try again with latest BIOS.\n";
struct powernow_k8_data *data; struct powernow_k8_data *data;
struct init_on_cpu init_on_cpu; struct init_on_cpu init_on_cpu;
int rc; int rc;
...@@ -1298,7 +1301,7 @@ static int __cpuinit powernowk8_cpu_init(struct cpufreq_policy *pol) ...@@ -1298,7 +1301,7 @@ static int __cpuinit powernowk8_cpu_init(struct cpufreq_policy *pol)
* an UP version, and is deprecated by AMD. * an UP version, and is deprecated by AMD.
*/ */
if (num_online_cpus() != 1) { if (num_online_cpus() != 1) {
printk_once(ACPI_PSS_BIOS_BUG_MSG); printk_once(missing_pss_msg);
goto err_out; goto err_out;
} }
if (pol->cpu != 0) { if (pol->cpu != 0) {
......
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