On Wednesday, July 18, 2012, Borislav Petkov wrote:
> 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 while at it.
>
> Acked-by: Mark Langsdorf <mark.langsdorf@xxxxxxx>
> Signed-off-by: Borislav Petkov <borislav.petkov@xxxxxxx>
I will take this, but it's kind of too late for v3.6.
Thanks,
Rafael
> ---
> drivers/cpufreq/powernow-k8.c | 11 +++++++----
> 1 file changed, 7 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/cpufreq/powernow-k8.c b/drivers/cpufreq/powernow-k8.c
> index c0e816468e30..33f17c4a1342 100644
> --- a/drivers/cpufreq/powernow-k8.c
> +++ b/drivers/cpufreq/powernow-k8.c
> @@ -1265,12 +1265,15 @@ 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;
> @@ -1298,7 +1301,7 @@ 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) {
>
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