summaryrefslogtreecommitdiff
path: root/drivers/dma
diff options
context:
space:
mode:
authorCorentin Labbe <clabbe.montjoie@gmail.com>2017-09-20 10:24:02 +0300
committerVinod Koul <vinod.koul@intel.com>2017-09-21 20:23:38 +0300
commit8f3b00347bf075fb457f90ce76573615f567e7bc (patch)
tree915fc32bcc39cd8d9472d256b5ab919cee063925 /drivers/dma
parent2bd6bf03f4c1c59381d62c61d03f6cc3fe71f66e (diff)
downloadlinux-8f3b00347bf075fb457f90ce76573615f567e7bc.tar.xz
dmaengine: sun6i: use of_device_get_match_data
The usage of of_device_get_match_data reduce the code size a bit. Furthermore, it prevents an improbable dereference when of_match_device() return NULL. Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com> Signed-off-by: Corentin Labbe <clabbe.montjoie@gmail.com> Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Diffstat (limited to 'drivers/dma')
-rw-r--r--drivers/dma/sun6i-dma.c6
1 files changed, 2 insertions, 4 deletions
diff --git a/drivers/dma/sun6i-dma.c b/drivers/dma/sun6i-dma.c
index bcd496edc70f..584f4e82a9be 100644
--- a/drivers/dma/sun6i-dma.c
+++ b/drivers/dma/sun6i-dma.c
@@ -1064,7 +1064,6 @@ MODULE_DEVICE_TABLE(of, sun6i_dma_match);
static int sun6i_dma_probe(struct platform_device *pdev)
{
- const struct of_device_id *device;
struct sun6i_dma_dev *sdc;
struct resource *res;
int ret, i;
@@ -1073,10 +1072,9 @@ static int sun6i_dma_probe(struct platform_device *pdev)
if (!sdc)
return -ENOMEM;
- device = of_match_device(sun6i_dma_match, &pdev->dev);
- if (!device)
+ sdc->cfg = of_device_get_match_data(&pdev->dev);
+ if (!sdc->cfg)
return -ENODEV;
- sdc->cfg = device->data;
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
sdc->base = devm_ioremap_resource(&pdev->dev, res);