dmaengine: zx: Use devm_platform_ioremap_resource() in zx_dma_probe()

Simplify this function implementation by using a known wrapper function.

This issue was detected by using the Coccinelle software.

Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Acked-by: Shawn Guo <shawnguo@kernel.org>
Link: https://lore.kernel.org/r/85de79fa-1ca5-a1e5-0296-9e8a2066f134@web.de
Signed-off-by: Vinod Koul <vkoul@kernel.org>

diff --git a/drivers/dma/zx_dma.c b/drivers/dma/zx_dma.c
index 9f4436f7c9149621b6b0db6e308456bbdaff950d..6b457e683e70817833715478e3299081324dc062 100644 (file)
--- a/drivers/dma/zx_dma.c
+++ b/drivers/dma/zx_dma.c
@@ -754,18 +754,13 @@ static struct dma_chan *zx_of_dma_simple_xlate(struct of_phandle_args *dma_spec,
 static int zx_dma_probe(struct platform_device *op)
 {
        struct zx_dma_dev *d;
-       struct resource *iores;
        int i, ret = 0;
 
-       iores = platform_get_resource(op, IORESOURCE_MEM, 0);
-       if (!iores)
-               return -EINVAL;
-
        d = devm_kzalloc(&op->dev, sizeof(*d), GFP_KERNEL);
        if (!d)
                return -ENOMEM;
 
-       d->base = devm_ioremap_resource(&op->dev, iores);
+       d->base = devm_platform_ioremap_resource(op, 0);
        if (IS_ERR(d->base))
                return PTR_ERR(d->base);