Messages in this thread Patch in this message | | | From | Santosh Shilimkar <> | Subject | [PATCH v3 7/7] ARM: dma: use phys_addr_t in __dma_page_[cpu_to_dev/dev_to_cpu] | Date | Thu, 24 Apr 2014 11:30:07 -0400 |
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On a 32 bit ARM architecture with LPAE extension physical addresses cannot fit into unsigned long variable.
So fix it by using phys_addr_t instead of unsigned long.
Cc: Nicolas Pitre <nicolas.pitre@linaro.org> Cc: Russell King - ARM Linux <linux@arm.linux.org.uk> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Will Deacon <will.deacon@arm.com> Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com> --- arch/arm/mm/dma-mapping.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/arch/arm/mm/dma-mapping.c b/arch/arm/mm/dma-mapping.c index f62aa06..5260f43 100644 --- a/arch/arm/mm/dma-mapping.c +++ b/arch/arm/mm/dma-mapping.c @@ -885,7 +885,7 @@ static void dma_cache_maint_page(struct page *page, unsigned long offset, static void __dma_page_cpu_to_dev(struct page *page, unsigned long off, size_t size, enum dma_data_direction dir) { - unsigned long paddr; + phys_addr_t paddr; dma_cache_maint_page(page, off, size, dir, dmac_map_area); @@ -901,7 +901,7 @@ static void __dma_page_cpu_to_dev(struct page *page, unsigned long off, static void __dma_page_dev_to_cpu(struct page *page, unsigned long off, size_t size, enum dma_data_direction dir) { - unsigned long paddr = page_to_phys(page) + off; + phys_addr_t paddr = page_to_phys(page) + off; /* FIXME: non-speculating: not required */ /* don't bother invalidating if DMA to device */ -- 1.7.9.5
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