[PATCH 2/8] ARM: davinci: use gen_pool_dma_alloc() to sram.c

Nicolin Chen b42378 at freescale.com
Fri Nov 1 07:36:00 EDT 2013


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

Signed-off-by: Nicolin Chen <b42378 at freescale.com>
---
 arch/arm/mach-davinci/sram.c | 9 +--------
 1 file changed, 1 insertion(+), 8 deletions(-)

diff --git a/arch/arm/mach-davinci/sram.c b/arch/arm/mach-davinci/sram.c
index f18928b..8540ddd 100644
--- a/arch/arm/mach-davinci/sram.c
+++ b/arch/arm/mach-davinci/sram.c
@@ -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);
-- 
1.8.4





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