Re: [RFC PATCH v2 04/11] OMAP2+: use control module mfd driver in omap_type

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* Konstantin Baydarov <kbaidarov@xxxxxxxxxxxxx> [120618 04:36]:
> OMAP system control module can be probed early, then
> omap_type is safe to use its APIs.
> 
> TODO: add support for other omap versions
> 
> Signed-off-by: Konstantin Baydarov <kbaidarov@xxxxxxxxxxxxx>
> 
> ---
>  arch/arm/mach-omap2/id.c |    5 ++++-
>  1 file changed, 4 insertions(+), 1 deletion(-)
> 
> Index: linux-2.6/arch/arm/mach-omap2/id.c
> ===================================================================
> --- linux-2.6.orig/arch/arm/mach-omap2/id.c
> +++ linux-2.6/arch/arm/mach-omap2/id.c
> @@ -18,6 +18,7 @@
>  #include <linux/kernel.h>
>  #include <linux/init.h>
>  #include <linux/io.h>
> +#include <linux/mfd/omap_control.h>
>  
>  #include <asm/cputype.h>
>  
> @@ -38,6 +39,8 @@ unsigned int omap_rev(void)
>  }
>  EXPORT_SYMBOL(omap_rev);
>  
> +u32 omap_control_readl(u16 offset);
> +
>  int omap_type(void)
>  {
>  	u32 val = 0;
> @@ -49,7 +52,7 @@ int omap_type(void)
>  	} else if (cpu_is_omap34xx()) {
>  		val = omap_ctrl_readl(OMAP343X_CONTROL_STATUS);
>  	} else if (cpu_is_omap44xx()) {
> -		val = omap_ctrl_readl(OMAP4_CTRL_MODULE_CORE_STATUS);
> +		val = omap_control_readl(OMAP4_CTRL_MODULE_CORE_STATUS);

Please just set up a function in the ctrl module core to return the
status so you can get rid of omap_control_readl here.

Tony


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