[PATCH] thermal: st: Use devm_platform_ioremap_resource() in st_mmap_regmap_init()

[Markus Elfring]

From: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
Date: Wed, 18 Sep 2019 21:32:14 +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@xxxxxxxxxxxxxxxxxxxxx>
---
 drivers/thermal/st/st_thermal_memmap.c | 9 +--------
 1 file changed, 1 insertion(+), 8 deletions(-)

diff --git a/drivers/thermal/st/st_thermal_memmap.c b/drivers/thermal/st/st_thermal_memmap.c
index a824b78dabf8..d8ff46abd8eb 100644
--- a/drivers/thermal/st/st_thermal_memmap.c
+++ b/drivers/thermal/st/st_thermal_memmap.c
@@ -121,15 +121,8 @@ static int st_mmap_regmap_init(struct st_thermal_sensor *sensor)
 {
 	struct device *dev = sensor->dev;
 	struct platform_device *pdev = to_platform_device(dev);
-	struct resource *res;

-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	if (!res) {
-		dev_err(dev, "no memory resources defined\n");
-		return -ENODEV;
-	}
-
-	sensor->mmio_base = devm_ioremap_resource(dev, res);
+	sensor->mmio_base = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(sensor->mmio_base)) {
 		dev_err(dev, "failed to remap IO\n");
 		return PTR_ERR(sensor->mmio_base);
--
2.23.0