arm_dma_limit stores physical address of maximal address accessible by DMA, so the phys_addr_t type makes much more sence for it instead of u32. This patch fixes the following build warning:
arch/arm/mm/init.c:380: warning: comparison of distinct pointer types lacks a cast
Reported-by: Russell King linux@arm.linux.org.uk Signed-off-by: Marek Szyprowski m.szyprowski@samsung.com --- arch/arm/mm/init.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/arch/arm/mm/init.c b/arch/arm/mm/init.c index 8f5813b..39f2a86 100644 --- a/arch/arm/mm/init.c +++ b/arch/arm/mm/init.c @@ -211,7 +211,7 @@ EXPORT_SYMBOL(arm_dma_zone_size); * allocations. This must be the smallest DMA mask in the system, * so a successful GFP_DMA allocation will always satisfy this. */ -u32 arm_dma_limit; +phys_addr_t arm_dma_limit;
static void __init arm_adjust_dma_zone(unsigned long *size, unsigned long *hole, unsigned long dma_size)