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 <[email protected]> Cc: Sekhar Nori <[email protected]> Cc: Kevin Hilman <[email protected]> Cc: Russell King <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
niw · Nov 13, 2013 · 66f1196 · 66f1196
1 parent 684f0d3
commit 66f1196
Showing 1 changed file with 1 addition and 8 deletions.
diff --git a/arch/arm/mach-davinci/sram.c b/arch/arm/mach-davinci/sram.c
@@ -25,21 +25,14 @@ 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)
 		*dma = 0;
 	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);