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ARM: mm: fix type of the arm_dma_limit global variable
arm_dma_limit stores physical address of maximal address accessible by DMA, so the phys_addr_t type makes much more sense 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>
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2 changed files with 2 additions and 2 deletions
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@ -212,7 +212,7 @@ EXPORT_SYMBOL(arm_dma_zone_size);
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* allocations. This must be the smallest DMA mask in the system,
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* allocations. This must be the smallest DMA mask in the system,
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* so a successful GFP_DMA allocation will always satisfy this.
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* so a successful GFP_DMA allocation will always satisfy this.
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*/
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*/
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u32 arm_dma_limit;
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phys_addr_t arm_dma_limit;
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static void __init arm_adjust_dma_zone(unsigned long *size, unsigned long *hole,
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static void __init arm_adjust_dma_zone(unsigned long *size, unsigned long *hole,
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unsigned long dma_size)
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unsigned long dma_size)
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@ -62,7 +62,7 @@ extern void __flush_dcache_page(struct address_space *mapping, struct page *page
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#endif
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#endif
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#ifdef CONFIG_ZONE_DMA
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#ifdef CONFIG_ZONE_DMA
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extern u32 arm_dma_limit;
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extern phys_addr_t arm_dma_limit;
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#else
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#else
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#define arm_dma_limit ((u32)~0)
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#define arm_dma_limit ((u32)~0)
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#endif
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#endif
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