linux-kernel - Re: [PATCH] ARM: imx: Fix imx5 idle logic bug

Open Source and information security mailing list archives

Date:	Tue, 17 Apr 2012 10:10:25 +0200
From:	Sascha Hauer <s.hauer@...gutronix.de>
To:	Robert Lee <rob.lee@...aro.org>
Cc:	kernel@...gutronix.de, shawn.guo@...aro.org,
	linaro-dev@...ts.linaro.org, linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org, patches@...aro.org
Subject: Re: [PATCH] ARM: imx: Fix imx5 idle logic bug

On Mon, Apr 16, 2012 at 06:37:48PM -0500, Robert Lee wrote:
> The imx5_idle() check of the tzic_eanble_wake() return value uses
> incorrect (inverted) logic causing all attempt to idle to fail.
> 

Does this have influence on current kernels or does this only trigger
with your cpuidle patches?

Sascha

> Signed-off-by: Robert Lee <rob.lee@...aro.org>
> ---
>  arch/arm/mach-imx/mm-imx5.c |    2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/arch/arm/mach-imx/mm-imx5.c b/arch/arm/mach-imx/mm-imx5.c
> index 05250ae..e10f391 100644
> --- a/arch/arm/mach-imx/mm-imx5.c
> +++ b/arch/arm/mach-imx/mm-imx5.c
> @@ -35,7 +35,7 @@ static void imx5_idle(void)
>  	}
>  	clk_enable(gpc_dvfs_clk);
>  	mx5_cpu_lp_set(WAIT_UNCLOCKED_POWER_OFF);
> -	if (tzic_enable_wake() != 0)
> +	if (!tzic_enable_wake())
>  		cpu_do_idle();
>  	clk_disable(gpc_dvfs_clk);
>  }
> -- 
> 1.7.10
> 
> 
> _______________________________________________
> linux-arm-kernel mailing list
> linux-arm-kernel@...ts.infradead.org
> http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
> 

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