linux-kernel - Re: [PATCH 1/2] PPC: powernv: remove redundant cpuidle_idle

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Date:	Thu, 06 Feb 2014 21:26:43 +0530
From:	Preeti U Murthy <preeti@...ux.vnet.ibm.com>
To:	Nicolas Pitre <nicolas.pitre@...aro.org>
CC:	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>,
	Peter Zijlstra <peterz@...radead.org>,
	"Rafael J. Wysocki" <rjw@...ysocki.net>,
	Daniel Lezcano <daniel.lezcano@...aro.org>,
	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	linuxppc-dev@...ts.ozlabs.org, linux-pm@...r.kernel.org,
	linaro-kernel@...ts.linaro.org
Subject: Re: [PATCH 1/2] PPC: powernv: remove redundant cpuidle_idle_call()

On 02/06/2014 07:46 PM, Nicolas Pitre wrote:
> The core idle loop now takes care of it.
> 
> Signed-off-by: Nicolas Pitre <nico@...aro.org>
> ---
>  arch/powerpc/platforms/powernv/setup.c | 13 +------------
>  1 file changed, 1 insertion(+), 12 deletions(-)
> 
> diff --git a/arch/powerpc/platforms/powernv/setup.c b/arch/powerpc/platforms/powernv/setup.c
> index 21166f65c9..a932feb290 100644
> --- a/arch/powerpc/platforms/powernv/setup.c
> +++ b/arch/powerpc/platforms/powernv/setup.c
> @@ -26,7 +26,6 @@
>  #include <linux/of_fdt.h>
>  #include <linux/interrupt.h>
>  #include <linux/bug.h>
> -#include <linux/cpuidle.h>
> 
>  #include <asm/machdep.h>
>  #include <asm/firmware.h>
> @@ -217,16 +216,6 @@ static int __init pnv_probe(void)
>  	return 1;
>  }
> 
> -void powernv_idle(void)
> -{
> -	/* Hook to cpuidle framework if available, else
> -	 * call on default platform idle code
> -	 */
> -	if (cpuidle_idle_call()) {
> -		power7_idle();
> -	}
> -}
> -
>  define_machine(powernv) {
>  	.name			= "PowerNV",
>  	.probe			= pnv_probe,
> @@ -236,7 +225,7 @@ define_machine(powernv) {
>  	.show_cpuinfo		= pnv_show_cpuinfo,
>  	.progress		= pnv_progress,
>  	.machine_shutdown	= pnv_shutdown,
> -	.power_save             = powernv_idle,
> +	.power_save             = power7_idle,
>  	.calibrate_decr		= generic_calibrate_decr,
>  #ifdef CONFIG_KEXEC
>  	.kexec_cpu_down		= pnv_kexec_cpu_down,
> 

Reviewed-by: Preeti U Murthy <preeti@...ux.vnet.ibm.com>

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