[3/3] ASoC: SPEAr: Convert to use devm_ioremap_resource

Commit Message

Axel Lin Aug. 24, 2015, 8:52 a.m. UTC

Use devm_ioremap_resource() instead of open code.

Signed-off-by: Axel Lin <[e-mail]>
---
 sound/soc/spear/spdif_in.c | 20 +++++---------------
 1 file changed, 5 insertions(+), 15 deletions(-)

Patch

diff --git a/sound/soc/spear/spdif_in.c b/sound/soc/spear/spdif_in.c
index a402860..977a078 100644
--- a/sound/soc/spear/spdif_in.c
+++ b/sound/soc/spear/spdif_in.c
@@ -203,35 +203,25 @@  static int spdif_in_probe(struct platform_device *pdev)
 	struct spdif_in_dev *host;
 	struct spear_spdif_platform_data *pdata;
 	struct resource *res, *res_fifo;
+	void __iomem *io_base;
 	int ret;
 
 	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	if (!res)
-		return -EINVAL;
+	io_base = devm_ioremap_resource(&pdev->dev, res);
+	if (IS_ERR(io_base))
+		return PTR_ERR(io_base);
 
 	res_fifo = platform_get_resource(pdev, IORESOURCE_IO, 0);
 	if (!res_fifo)
 		return -EINVAL;
 
-	if (!devm_request_mem_region(&pdev->dev, res->start,
-				resource_size(res), pdev->name)) {
-		dev_warn(&pdev->dev, "Failed to get memory resourse\n");
-		return -ENOENT;
-	}
-
 	host = devm_kzalloc(&pdev->dev, sizeof(*host), GFP_KERNEL);
 	if (!host) {
 		dev_warn(&pdev->dev, "kzalloc fail\n");
 		return -ENOMEM;
 	}
 
-	host->io_base = devm_ioremap(&pdev->dev, res->start,
-				resource_size(res));
-	if (!host->io_base) {
-		dev_warn(&pdev->dev, "ioremap failed\n");
-		return -ENOMEM;
-	}
-
+	host->io_base = io_base;
 	host->irq = platform_get_irq(pdev, 0);
 	if (host->irq < 0)
 		return -EINVAL;