[PATCH 33/51] drm/mcde: More devm_drm_dev_init

Daniel Vetter daniel.vetter at ffwll.ch
Thu Feb 27 18:15:04 UTC 2020


Auto-unwind ftw, now possible with the fixed drm_device related
management.

Aside, clk/regulator seem to be missing devm versions for a bunch of
functions, preventing a pile of these simpler drivers from outright
losing their ->remove hook.

Reviewed-by: Linus Walleij <linus.walleij at linaro.org>
Signed-off-by: Daniel Vetter <daniel.vetter at intel.com>
Cc: Linus Walleij <linus.walleij at linaro.org>
---
 drivers/gpu/drm/mcde/mcde_drv.c | 9 +++------
 1 file changed, 3 insertions(+), 6 deletions(-)

diff --git a/drivers/gpu/drm/mcde/mcde_drv.c b/drivers/gpu/drm/mcde/mcde_drv.c
index b8ca99995e51..3e92a44397cf 100644
--- a/drivers/gpu/drm/mcde/mcde_drv.c
+++ b/drivers/gpu/drm/mcde/mcde_drv.c
@@ -312,7 +312,7 @@ static int mcde_probe(struct platform_device *pdev)
 		return -ENOMEM;
 	mcde->dev = dev;
 
-	ret = drm_dev_init(&mcde->drm, &mcde_drm_driver, dev);
+	ret = devm_drm_dev_init(dev, &mcde->drm, &mcde_drm_driver);
 	if (ret) {
 		kfree(mcde);
 		return ret;
@@ -331,12 +331,12 @@ static int mcde_probe(struct platform_device *pdev)
 	if (IS_ERR(mcde->epod)) {
 		ret = PTR_ERR(mcde->epod);
 		dev_err(dev, "can't get EPOD regulator\n");
-		goto dev_unref;
+		return ret;
 	}
 	ret = regulator_enable(mcde->epod);
 	if (ret) {
 		dev_err(dev, "can't enable EPOD regulator\n");
-		goto dev_unref;
+		return ret;
 	}
 	mcde->vana = devm_regulator_get(dev, "vana");
 	if (IS_ERR(mcde->vana)) {
@@ -487,8 +487,6 @@ static int mcde_probe(struct platform_device *pdev)
 	regulator_disable(mcde->vana);
 regulator_epod_off:
 	regulator_disable(mcde->epod);
-dev_unref:
-	drm_dev_put(drm);
 	return ret;
 
 }
@@ -502,7 +500,6 @@ static int mcde_remove(struct platform_device *pdev)
 	clk_disable_unprepare(mcde->mcde_clk);
 	regulator_disable(mcde->vana);
 	regulator_disable(mcde->epod);
-	drm_dev_put(drm);
 
 	return 0;
 }
-- 
2.24.1



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