diff mbox series

[v3,2/5] drm/msm/dp: Use devres for ioremap()

Message ID 20211001174400.981707-3-bjorn.andersson@linaro.org
State Accepted
Commit 17b019e3b0045113a36ddada2abc3dfc1a153ebb
Headers show
Series None | expand

Commit Message

Bjorn Andersson Oct. 1, 2021, 5:43 p.m. UTC 
The non-devres version of ioremap is used, which requires manual
cleanup. But the code paths leading here is mixed with other devres
users, so rely on this for ioremap as well to simplify the code.

Reviewed-by: Abhinav Kumar <abhinavk@codeaurora.org>

Reviewed-by: Stephen Boyd <swboyd@chromium.org>

Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>

---

Changes since v2:
- None

 drivers/gpu/drm/msm/dp/dp_parser.c | 29 ++++-------------------------
 1 file changed, 4 insertions(+), 25 deletions(-)

-- 
2.29.2
diff mbox series

Patch

diff --git a/drivers/gpu/drm/msm/dp/dp_parser.c b/drivers/gpu/drm/msm/dp/dp_parser.c
index 0519dd3ac3c3..c064ced78278 100644
--- a/drivers/gpu/drm/msm/dp/dp_parser.c
+++ b/drivers/gpu/drm/msm/dp/dp_parser.c
@@ -32,7 +32,7 @@  static int msm_dss_ioremap(struct platform_device *pdev,
 	}
 
 	io_data->len = (u32)resource_size(res);
-	io_data->base = ioremap(res->start, io_data->len);
+	io_data->base = devm_ioremap(&pdev->dev, res->start, io_data->len);
 	if (!io_data->base) {
 		DRM_ERROR("%pS->%s: ioremap failed\n",
 			__builtin_return_address(0), __func__);
@@ -42,22 +42,6 @@  static int msm_dss_ioremap(struct platform_device *pdev,
 	return 0;
 }
 
-static void msm_dss_iounmap(struct dss_io_data *io_data)
-{
-	if (io_data->base) {
-		iounmap(io_data->base);
-		io_data->base = NULL;
-	}
-	io_data->len = 0;
-}
-
-static void dp_parser_unmap_io_resources(struct dp_parser *parser)
-{
-	struct dp_io *io = &parser->io;
-
-	msm_dss_iounmap(&io->dp_controller);
-}
-
 static int dp_parser_ctrl_res(struct dp_parser *parser)
 {
 	int rc = 0;
@@ -67,19 +51,14 @@  static int dp_parser_ctrl_res(struct dp_parser *parser)
 	rc = msm_dss_ioremap(pdev, &io->dp_controller);
 	if (rc) {
 		DRM_ERROR("unable to remap dp io resources, rc=%d\n", rc);
-		goto err;
+		return rc;
 	}
 
 	io->phy = devm_phy_get(&pdev->dev, "dp");
-	if (IS_ERR(io->phy)) {
-		rc = PTR_ERR(io->phy);
-		goto err;
-	}
+	if (IS_ERR(io->phy))
+		return PTR_ERR(io->phy);
 
 	return 0;
-err:
-	dp_parser_unmap_io_resources(parser);
-	return rc;
 }
 
 static int dp_parser_misc(struct dp_parser *parser)