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>

1 files changed, 2 insertions, 4 deletions

diff --git a/drivers/uio/uio_pruss.c b/drivers/uio/uio_pruss.c
index f519da9034b7..96c4a19b1918 100644
--- a/drivers/uio/uio_pruss.c
+++ b/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,