Re: [PATCH V3 10/14] ARM: mxs: add clk_prepare/clk_unprepare

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> Signed-off-by: Richard Zhao <richard.zhao@xxxxxxxxxx>
> ---
>  arch/arm/mach-mxs/system.c |    2 +-
>  arch/arm/mach-mxs/timer.c  |    2 +-
>  2 files changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/arch/arm/mach-mxs/system.c b/arch/arm/mach-mxs/system.c
> index 20ec3bd..9760a12 100644
> --- a/arch/arm/mach-mxs/system.c
> +++ b/arch/arm/mach-mxs/system.c
> @@ -66,7 +66,7 @@ static int __init mxs_arch_reset_init(void)
> 
>  	clk = clk_get_sys("rtc", NULL);
>  	if (!IS_ERR(clk))
> -		clk_enable(clk);
> +		clk_prepare_enable(clk);
> 
>  	return 0;
>  }
> diff --git a/arch/arm/mach-mxs/timer.c b/arch/arm/mach-mxs/timer.c
> index cace0d2..564a632 100644
> --- a/arch/arm/mach-mxs/timer.c
> +++ b/arch/arm/mach-mxs/timer.c
> @@ -245,7 +245,7 @@ static int __init mxs_clocksource_init(struct clk
> *timer_clk)
> 
>  void __init mxs_timer_init(struct clk *timer_clk, int irq)
>  {
> -	clk_enable(timer_clk);
> +	clk_prepare_enable(timer_clk);
> 
>  	/*
>  	 * Initialize timers to a known state

Hi Richard,

I just came across this, will this also help solve the mxs problem with mutex 
lock begin done in atomic context in clk_enable/disable()?

M
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