[PATCH] ARM: shmobile: Remove __init from rcar_gen2_read_mode_pins()

Laurent Pinchart laurent.pinchart at ideasonboard.com
Mon Feb 17 05:59:32 EST 2014


Hi Magnus,

Thank you for the patch.

On Monday 17 February 2014 15:35:10 Magnus Damm wrote:
> From: Magnus Damm <damm at opensource.se>
> 
> Remove __init from rcar_gen2_read_mode_pins() to allow
> it to be used after boot. For instance the R-Car Gen2
> MD21 check is needed even in the case of CPU Hotplug.
> 
> Signed-off-by: Magnus Damm <damm at opensource.se>
> ---
> 
>  Written against renesas-devel-v3.14-rc2-20140213
> 
>  arch/arm/mach-shmobile/setup-rcar-gen2.c |    2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> --- 0001/arch/arm/mach-shmobile/setup-rcar-gen2.c
> +++ work/arch/arm/mach-shmobile/setup-rcar-gen2.c	2014-02-17
> 15:02:48.000000000 +0900 @@ -28,7 +28,7 @@
> 
>  #define MODEMR 0xe6160060
> 
> -u32 __init rcar_gen2_read_mode_pins(void)
> +u32 rcar_gen2_read_mode_pins(void)
>  {
>  	void __iomem *modemr = ioremap_nocache(MODEMR, 4);
>  	u32 mode;

Should we read the value once at boot time and cache it ?

-- 
Regards,

Laurent Pinchart




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