linux-kernel - [PATCH 16/39] drm: renesas: shmobile: Convert to use devm_request

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Date:   Thu, 22 Jun 2023 11:21:28 +0200
From:   Geert Uytterhoeven <geert+renesas@...der.be>
To:     Laurent Pinchart <laurent.pinchart@...asonboard.com>,
        Kieran Bingham <kieran.bingham+renesas@...asonboard.com>,
        David Airlie <airlied@...il.com>,
        Daniel Vetter <daniel@...ll.ch>,
        Thomas Zimmermann <tzimmermann@...e.de>,
        Magnus Damm <magnus.damm@...il.com>
Cc:     dri-devel@...ts.freedesktop.org, linux-renesas-soc@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Geert Uytterhoeven <geert+renesas@...der.be>
Subject: [PATCH 16/39] drm: renesas: shmobile: Convert to use devm_request_irq()

Convert to managed IRQ handling, to simplify cleanup.

Signed-off-by: Geert Uytterhoeven <geert+renesas@...der.be>
---
 drivers/gpu/drm/renesas/shmobile/shmob_drm_drv.c | 9 +++------
 1 file changed, 3 insertions(+), 6 deletions(-)

diff --git a/drivers/gpu/drm/renesas/shmobile/shmob_drm_drv.c b/drivers/gpu/drm/renesas/shmobile/shmob_drm_drv.c
index 50fca18282c5cb5e..ece9aedde9b662d4 100644
--- a/drivers/gpu/drm/renesas/shmobile/shmob_drm_drv.c
+++ b/drivers/gpu/drm/renesas/shmobile/shmob_drm_drv.c
@@ -169,7 +169,6 @@ static int shmob_drm_remove(struct platform_device *pdev)
 
 	drm_dev_unregister(ddev);
 	drm_kms_helper_poll_fini(ddev);
-	free_irq(sdev->irq, ddev);
 	drm_dev_put(ddev);
 
 	return 0;
@@ -252,8 +251,8 @@ static int shmob_drm_probe(struct platform_device *pdev)
 		goto err_modeset_cleanup;
 	sdev->irq = ret;
 
-	ret = request_irq(sdev->irq, shmob_drm_irq, 0, ddev->driver->name,
-			  ddev);
+	ret = devm_request_irq(&pdev->dev, sdev->irq, shmob_drm_irq, 0,
+			       ddev->driver->name, ddev);
 	if (ret < 0) {
 		dev_err(&pdev->dev, "failed to install IRQ handler\n");
 		goto err_modeset_cleanup;
@@ -265,14 +264,12 @@ static int shmob_drm_probe(struct platform_device *pdev)
 	 */
 	ret = drm_dev_register(ddev, 0);
 	if (ret < 0)
-		goto err_irq_uninstall;
+		goto err_modeset_cleanup;
 
 	drm_fbdev_generic_setup(ddev, 16);
 
 	return 0;
 
-err_irq_uninstall:
-	free_irq(sdev->irq, ddev);
 err_modeset_cleanup:
 	drm_kms_helper_poll_fini(ddev);
 err_free_drm_dev:
-- 
2.34.1