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arch/arm/mach-davinci/sram.c: use gen_pool_dma_alloc() to sram.c 

Since gen_pool_dma_alloc() is introduced, we implement it to simplify code.

Signed-off-by: Nicolin Chen <b42378@freescale.com>
Cc: Sekhar Nori <nsekhar@ti.com>
Cc: Kevin Hilman <khilman@deeprootsystems.com>
Cc: Russell King <linux@arm.linux.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Nicolin Chen 2013-11-12 15:09:54 -08:00 committed by Linus Torvalds
parent 684f0d3d14
commit 66f119695b
1 changed files with 1 additions and 8 deletions
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9
arch/arm/mach-davinci/sram.c
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@ -25,7 +25,6 @@ struct gen_pool *sram_get_gen_pool(void)
void *sram_alloc(size_t len, dma_addr_t *dma)
{
unsigned long vaddr;
dma_addr_t dma_base = davinci_soc_info.sram_dma;
if (dma)
@ -33,13 +32,7 @@ void *sram_alloc(size_t len, dma_addr_t *dma)
if (!sram_pool || (dma && !dma_base))
return NULL;
vaddr = gen_pool_alloc(sram_pool, len);
if (!vaddr)
return NULL;
if (dma)
*dma = gen_pool_virt_to_phys(sram_pool, vaddr);
return (void *)vaddr;
return gen_pool_dma_alloc(sram_pool, len, dma);
}
EXPORT_SYMBOL(sram_alloc);