| Message ID | 1397917972-6293-8-git-send-email-santosh.shilimkar@ti.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
(Adding few CC's) On Saturday 19 April 2014 10:32 AM, Santosh Shilimkar wrote: > 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. > > 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 */ >
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 */
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. Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com> --- arch/arm/mm/dma-mapping.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)