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[RESEND,5/8] uio: uio_pruss: use gen_pool_dma_alloc() to allocate sram memory

Message ID f26a7fd466d22aaaeae9cf32d3c4c43c333e0b35.1383306365.git.b42378@freescale.com (mailing list archive)
State New, archived
Headers show

Commit Message

Nicolin Chen Nov. 1, 2013, 11:48 a.m. UTC 
Since gen_pool_dma_alloc() is introduced, we implement it to simplify code.

Signed-off-by: Nicolin Chen <b42378@freescale.com>
---
 drivers/uio/uio_pruss.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

Comments

Greg KH Dec. 9, 2013, 1:39 a.m. UTC | #1 
On Fri, Nov 01, 2013 at 07:48:18PM +0800, Nicolin Chen wrote:
> Since gen_pool_dma_alloc() is introduced, we implement it to simplify code.
> 
> Signed-off-by: Nicolin Chen <b42378@freescale.com>
> ---

Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff mbox

Patch

diff --git a/drivers/uio/uio_pruss.c b/drivers/uio/uio_pruss.c
index f519da9..96c4a19 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,