Re: [PATCH] Hexagon: Use resource_size function

From: rkuo
Date: Wed Nov 09 2011 - 00:33:53 EST


> From: Thomas Meyer <thomas@xxxxxxxx>
>
> Use resource_size function on resource object
> instead of explicit computation.
>
> The semantic patch that makes this change is available
> in scripts/coccinelle/api/resource_size.cocci.
>
> More information about semantic patching is available at
> http://coccinelle.lip6.fr/
>
> Signed-off-by: Thomas Meyer <thomas@xxxxxxxx>
> ---
>
> diff -u -p a/arch/hexagon/kernel/time.c b/arch/hexagon/kernel/time.c
> --- a/arch/hexagon/kernel/time.c 2011-11-07 19:37:21.719553477 +0100
> +++ b/arch/hexagon/kernel/time.c 2011-11-08 12:21:17.722176538 +0100
> @@ -200,12 +200,10 @@ void __init time_init_deferred(void)
> resource = rtos_timer_device.resource;
>
> /* ioremap here means this has to run later, after paging init */
> - rtos_timer = ioremap(resource->start, resource->end
> - - resource->start + 1);
> + rtos_timer = ioremap(resource->start, resource_size(resource));
>
> if (!rtos_timer) {
> - release_mem_region(resource->start, resource->end
> - - resource->start + 1);
> + release_mem_region(resource->start, resource_size(resource));
> }
> clocksource_register_khz(&hexagon_clocksource, pcycle_freq_mhz * 1000);
>
>
>
>

I don't have much to add about the form of the patch; David
noticed more than I did, but as far as content, it looks good
and I will have this patch applied to my tree. Thanks!



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