From: Borislav Petkov <borislav.petkov@xxxxxxx>
_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.
Cc: Thomas Renninger <trenn@xxxxxxx>
Cc: Mark Langsdorf <mark.langsdorf@xxxxxxx>
Signed-off-by: Borislav Petkov <borislav.petkov@xxxxxxx>
---
arch/x86/kernel/cpu/cpufreq/powernow-k8.c | 11 +++++++----
1 files changed, 7 insertions(+), 4 deletions(-)
diff --git a/arch/x86/kernel/cpu/cpufreq/powernow-k8.c b/arch/x86/kernel/cpu/cpufreq/powernow-k8.c
index 491977b..d2e53ac 100644
--- a/arch/x86/kernel/cpu/cpufreq/powernow-k8.c
+++ b/arch/x86/kernel/cpu/cpufreq/powernow-k8.c
@@ -1247,12 +1247,15 @@ static void __cpuinit powernowk8_cpu_init_on_cpu(void *_init_on_cpu)
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 */
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 init_on_cpu init_on_cpu;
int rc;
@@ -1280,7 +1283,7 @@ static int __cpuinit powernowk8_cpu_init(struct cpufreq_policy *pol)
* an UP version, and is deprecated by AMD.
*/
if (num_online_cpus() != 1) {
- printk_once(ACPI_PSS_BIOS_BUG_MSG);
+ printk_once(missing_pss_msg);
goto err_out;
}
if (pol->cpu != 0) {
--
1.7.3.1.50.g1e633
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