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drivers/uio/uio_pruss.c: use gen_pool_dma_alloc() to allocate sram memory

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

Signed-off-by: Nicolin Chen <b42378@freescale.com>
Cc: "Hans J. Koch" <hjk@hansjkoch.de>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Nicolin Chen 11 years ago
parent
commit
288342e9cc
1 changed files with 2 additions and 4 deletions
  1. 2 4
      drivers/uio/uio_pruss.c

+ 2 - 4
drivers/uio/uio_pruss.c

@@ -158,14 +158,12 @@ static int pruss_probe(struct platform_device *dev)
 	if (pdata->sram_pool) {
 		gdev->sram_pool = pdata->sram_pool;
 		gdev->sram_vaddr =
-			gen_pool_alloc(gdev->sram_pool, sram_pool_sz);
+			(unsigned long)gen_pool_dma_alloc(gdev->sram_pool,
+					sram_pool_sz, &gdev->sram_paddr);
 		if (!gdev->sram_vaddr) {
 			dev_err(&dev->dev, "Could not allocate SRAM pool\n");
 			goto out_free;
 		}
-		gdev->sram_paddr =
-			gen_pool_virt_to_phys(gdev->sram_pool,
-					      gdev->sram_vaddr);
 	}
 
 	gdev->ddr_vaddr = dma_alloc_coherent(&dev->dev, extram_pool_sz,