[PATCH v3 3/3] ARM:i.MX: fix the compile warnings in clock-mx51-mx53.c

Sascha Hauer s.hauer at pengutronix.de
Thu Nov 3 02:44:26 EDT 2011


On Wed, Nov 02, 2011 at 07:03:56PM +0800, Jason Liu wrote:
> arch/arm/mach-mx5/clock-mx51-mx53.c: In function 'clk_get_freq_dt':
> arch/arm/mach-mx5/clock-mx51-mx53.c:1640: warning: unused variable 'np'
> arch/arm/mach-mx5/clock-mx51-mx53.c: In function 'mx53_clocks_init_dt':
> arch/arm/mach-mx5/clock-mx51-mx53.c:1673: warning: 'ckil' is used uninitialized in this function
> arch/arm/mach-mx5/clock-mx51-mx53.c:1673: warning: 'osc' is used uninitialized in this function
> arch/arm/mach-mx5/clock-mx51-mx53.c:1673: warning: 'ckih1' is used uninitialized in this function
> arch/arm/mach-mx5/clock-mx51-mx53.c:1673: warning: 'ckih2' is used uninitialized in this function
> arch/arm/mach-mx5/clock-mx51-mx53.c: In function 'mx51_clocks_init_dt':
> arch/arm/mach-mx5/clock-mx51-mx53.c:1665: warning: 'ckil' is used uninitialized in this function
> arch/arm/mach-mx5/clock-mx51-mx53.c:1665: warning: 'osc' is used uninitialized in this function
> arch/arm/mach-mx5/clock-mx51-mx53.c:1665: warning: 'ckih1' is used uninitialized in this function
> arch/arm/mach-mx5/clock-mx51-mx53.c:1665: warning: 'ckih2' is used uninitialized in this function

You only get this warning because you have put the code in
clk_get_freq_dt into #ifdef CONFIG_OF in the last patch. Instead please
put the whole block including clk_get_freq_dt, mx51_clocks_init_dt and
mx53_clocks_init_dt into #ifdef CONFIG_OF.

Sascha

> 
> Signed-off-by: Jason Liu <jason.hui at linaro.org>
> ---
>  arch/arm/mach-mx5/clock-mx51-mx53.c |    2 ++
>  1 files changed, 2 insertions(+), 0 deletions(-)
> 
> diff --git a/arch/arm/mach-mx5/clock-mx51-mx53.c b/arch/arm/mach-mx5/clock-mx51-mx53.c
> index 7c373b83..e352a5a 100644
> --- a/arch/arm/mach-mx5/clock-mx51-mx53.c
> +++ b/arch/arm/mach-mx5/clock-mx51-mx53.c
> @@ -1662,6 +1662,7 @@ int __init mx51_clocks_init_dt(void)
>  {
>  	unsigned long ckil, osc, ckih1, ckih2;
>  
> +	ckil = osc = ckih1 = ckih2 = 0;
>  	clk_get_freq_dt(&ckil, &osc, &ckih1, &ckih2);
>  	return mx51_clocks_init(ckil, osc, ckih1, ckih2);
>  }
> @@ -1670,6 +1671,7 @@ int __init mx53_clocks_init_dt(void)
>  {
>  	unsigned long ckil, osc, ckih1, ckih2;
>  
> +	ckil = osc = ckih1 = ckih2 = 0;
>  	clk_get_freq_dt(&ckil, &osc, &ckih1, &ckih2);
>  	return mx53_clocks_init(ckil, osc, ckih1, ckih2);
>  }
> -- 
> 1.7.4.1
> 
> 
> 

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