On Thu, Aug 16, 2012 at 5:31 AM, Ralf Baechle ralf@linux-mips.org wrote:
On Sat, Aug 11, 2012 at 05:32:18PM +0800, Huacai Chen wrote:
Subject: [PATCH V5 13/18] drm: Define SAREA_MAX for Loongson (PageSize = 16KB).
But your code doesn't define it just for Loongsson as the log message claims but rather for all MIPS.
diff --git a/include/drm/drm_sarea.h b/include/drm/drm_sarea.h index ee5389d..1d1a858 100644 --- a/include/drm/drm_sarea.h +++ b/include/drm/drm_sarea.h @@ -37,6 +37,8 @@ /* SAREA area needs to be at least a page */ #if defined(__alpha__) #define SAREA_MAX 0x2000U +#elif defined(__mips__) +#define SAREA_MAX 0x4000U
How about replacing this whole #ifdef mess with something like:
#include <linux/kernel.h> #include <asm/page.h>
/* Intel 830M driver needs at least 8k SAREA */ #define SAREA_MAX max(PAGE_SIZE, 0x2000U)
MIPS also uses 64K page size and your patch as posted would break with 64k pages.
Yes, I think this is better. Thank you.
Ralf