diff options
| author | Corentin Labbe <clabbe.montjoie@gmail.com> | 2017-09-20 10:24:02 +0300 |
|---|---|---|
| committer | Vinod Koul <vinod.koul@intel.com> | 2017-09-21 20:23:38 +0300 |
| commit | 8f3b00347bf075fb457f90ce76573615f567e7bc (patch) | |
| tree | 915fc32bcc39cd8d9472d256b5ab919cee063925 /drivers/dma/sun6i-dma.c | |
| parent | 2bd6bf03f4c1c59381d62c61d03f6cc3fe71f66e (diff) | |
| download | linux-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/sun6i-dma.c')
| -rw-r--r-- | drivers/dma/sun6i-dma.c | 6 |
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); |