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To:     dmaengine@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
        Dan Williams <dan.j.williams@intel.com>,
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From:   Markus Elfring <Markus.Elfring@web.de>
Subject: [PATCH] dmaengine: zx: Use devm_platform_ioremap_resource() in
 zx_dma_probe()
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Date:   Sun, 22 Sep 2019 14:37:13 +0200
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From: Markus Elfring <elfring@users.sourceforge.net>
Date: Sun, 22 Sep 2019 14:32:12 +0200

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>
=2D--
 drivers/dma/zx_dma.c | 7 +------
 1 file changed, 1 insertion(+), 6 deletions(-)

diff --git a/drivers/dma/zx_dma.c b/drivers/dma/zx_dma.c
index 9f4436f7c914..6b457e683e70 100644
=2D-- 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(struc=
t 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 =3D 0;

-	iores =3D platform_get_resource(op, IORESOURCE_MEM, 0);
-	if (!iores)
-		return -EINVAL;
-
 	d =3D devm_kzalloc(&op->dev, sizeof(*d), GFP_KERNEL);
 	if (!d)
 		return -ENOMEM;

-	d->base =3D devm_ioremap_resource(&op->dev, iores);
+	d->base =3D devm_platform_ioremap_resource(op, 0);
 	if (IS_ERR(d->base))
 		return PTR_ERR(d->base);

=2D-
2.23.0