lkml.org 
[lkml]   [2013]   [Nov]   [6]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH V7 7/7] powernv/cpuidle: Enable idle powernv cpu to call into the cpuidle framework.
On 10/29/2013 12:02 PM, Deepthi Dharwar wrote:
> This patch enables idle cpu on the powernv platform to hook on to the cpuidle
> framework, if available, else call on to default idle platform
> code.
>
> Signed-off-by: Deepthi Dharwar <deepthi@linux.vnet.ibm.com>

Acked-by: Daniel Lezcano <daniel.lezcano@linaro.org>

> ---
> arch/powerpc/platforms/powernv/setup.c | 13 ++++++++++++-
> 1 file changed, 12 insertions(+), 1 deletion(-)
>
> diff --git a/arch/powerpc/platforms/powernv/setup.c b/arch/powerpc/platforms/powernv/setup.c
> index e239dcf..42a6ba0 100644
> --- a/arch/powerpc/platforms/powernv/setup.c
> +++ b/arch/powerpc/platforms/powernv/setup.c
> @@ -25,6 +25,7 @@
> #include <linux/of.h>
> #include <linux/interrupt.h>
> #include <linux/bug.h>
> +#include <linux/cpuidle.h>
>
> #include <asm/machdep.h>
> #include <asm/firmware.h>
> @@ -192,6 +193,16 @@ static void __init pnv_setup_machdep_rtas(void)
> }
> #endif /* CONFIG_PPC_POWERNV_RTAS */
>
> +void powernv_idle(void)
> +{
> + /* Hook to cpuidle framework if available, else
> + * call on default platform idle code
> + */
> + if (cpuidle_idle_call()) {
> + power7_idle();
> + }
> +}
> +
> static int __init pnv_probe(void)
> {
> unsigned long root = of_get_flat_dt_root();
> @@ -222,7 +233,7 @@ define_machine(powernv) {
> .show_cpuinfo = pnv_show_cpuinfo,
> .progress = pnv_progress,
> .machine_shutdown = pnv_shutdown,
> - .power_save = power7_idle,
> + .power_save = powernv_idle,
> .calibrate_decr = generic_calibrate_decr,
> #ifdef CONFIG_KEXEC
> .kexec_cpu_down = pnv_kexec_cpu_down,
>


--
<http://www.linaro.org/> Linaro.org │ Open source software for ARM SoCs

Follow Linaro: <http://www.facebook.com/pages/Linaro> Facebook |
<http://twitter.com/#!/linaroorg> Twitter |
<http://www.linaro.org/linaro-blog/> Blog

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2013-11-06 22:21    [W:0.441 / U:0.016 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site