[PATCH v2 2/2] drm/dcss: request memory region

[Philipp Stanner <pstanner@redhat.com>]

The driver's memory regions are currently just ioremap()ed, but not
reserved through a request. That's not a bug, but having the request is
a little more robust.

Implement the region-request through the corresponding managed
devres-function.

Signed-off-by: Philipp Stanner <pstanner@redhat.com>
---
 drivers/gpu/drm/imx/dcss/dcss-dev.c | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/imx/dcss/dcss-dev.c b/drivers/gpu/drm/imx/dcss/dcss-dev.c
index 4f3af0dfb344..63dbb8d9c1b0 100644
--- a/drivers/gpu/drm/imx/dcss/dcss-dev.c
+++ b/drivers/gpu/drm/imx/dcss/dcss-dev.c
@@ -177,10 +177,11 @@ struct dcss_dev *dcss_dev_create(struct device *dev, bool hdmi_output)
 		return ERR_PTR(-ENODEV);
 	}
 
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	if (!res) {
-		dev_err(dev, "cannot get memory resource\n");
-		return ERR_PTR(-EINVAL);
+	res = devm_platform_get_and_request_resource(pdev, IORESOURCE_MEM, 
+						     0, "dcss");
+	if (IS_ERR(res)) {
+		dev_err(dev, "cannot get / request memory resource\n");
+		return res;
 	}
 
 	dcss = kzalloc(sizeof(*dcss), GFP_KERNEL);
-- 
2.43.0