From nobody Fri Sep 20 01:27:56 2024 Received: from metis.whiteo.stw.pengutronix.de (metis.whiteo.stw.pengutronix.de [185.203.201.7]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 22408153BCA for ; Tue, 9 Apr 2024 17:03:15 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=185.203.201.7 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1712682196; cv=none; b=Gdb9NiDmOvOoVffb1+xfUMh/6aZ6Yat4DyourUcPweapupjRlrf20bvaBa91UNhRdlXF50gVOC0s0jesc/s3xCT/aFUDPbuL7HxgVyT+7wsg8KyA8K+yOyGd81BZPflbUuR0aF297s8WNFsTo0mSdjRdkIWnKgfvAfLnKhbjXIA= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1712682196; c=relaxed/simple; bh=ABndG8JIksgn48cHu77uEqYHzKk3gEHosBYrXk4plOk=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=igc6hPYCKT928XTpZ2YW+rKbqvgxcDYF6y9L8bjaz+sW6QxxGHOJSE0qZEmcFsDrwggqZPojrIv3VNQFQHo+XcOPfLgScJqHTIUr9i32GFHOTCRbsid5W2j5WPupLLZ90l8OLUrrWh2qlDXVPo2UsgicnBF0ny7gPV60r8jH4sE= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=pengutronix.de; spf=pass smtp.mailfrom=pengutronix.de; arc=none smtp.client-ip=185.203.201.7 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=pengutronix.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=pengutronix.de Received: from drehscheibe.grey.stw.pengutronix.de ([2a0a:edc0:0:c01:1d::a2]) by metis.whiteo.stw.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1ruEsE-0003vV-DQ; Tue, 09 Apr 2024 19:03:06 +0200 Received: from [2a0a:edc0:0:900:1d::77] (helo=ptz.office.stw.pengutronix.de) by drehscheibe.grey.stw.pengutronix.de with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1ruEsC-00BKyA-Jo; Tue, 09 Apr 2024 19:03:04 +0200 Received: from ukl by ptz.office.stw.pengutronix.de with local (Exim 4.96) (envelope-from ) id 1ruEsC-00H4tU-1i; Tue, 09 Apr 2024 19:03:04 +0200 From: =?UTF-8?q?Uwe=20Kleine-K=C3=B6nig?= To: David Airlie , Daniel Vetter Cc: Frank Binns , Matt Coster , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org Subject: [PATCH 1/4] drm/imagination: Convert to platform remove callback returning void Date: Tue, 9 Apr 2024 19:02:48 +0200 Message-ID: <4cf10e420863f40a268f26b9bdb0c4b53dbf3406.1712681770.git.u.kleine-koenig@pengutronix.de> X-Mailer: git-send-email 2.43.0 In-Reply-To: References: Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" X-Developer-Signature: v=1; a=openpgp-sha256; l=1930; i=u.kleine-koenig@pengutronix.de; h=from:subject:message-id; bh=ABndG8JIksgn48cHu77uEqYHzKk3gEHosBYrXk4plOk=; b=owEBbQGS/pANAwAKAY+A+1h9Ev5OAcsmYgBmFXS5X1/FCHSCExcxL8LS22tGseaxbhq9NOL98 FBKiUipqg+JATMEAAEKAB0WIQQ/gaxpOnoeWYmt/tOPgPtYfRL+TgUCZhV0uQAKCRCPgPtYfRL+ TjLgB/9k5p+S6KQ0pkU977hoEldzuUg+zcI+5nFrOVDWJGuHprzAZbbgprrZPcfAnruCB+7DGEd mEgiOBQyoxufd92gxPAbBhctNrqsloBJ07VFrqLJHrRzrd+ICnfQTV9HxDM4VWHbtEC8wcWqJZV YtiUks7oIkqszeSeXgkR81+L2H+BdeYZSnjlOdiAga2XIN//JlFPUUOWNhxdwYFxbEiSKVtFKzY m6/zSwgO7XwGJszab7LafKaui5qyjF5H7unKO3M5KoPFtXCLcu/QAjsyQZAondPwNrxBvjTgw9D mNkJlSYwn81/LTudj46UUA1bnSyD4c+ypRCdZaDVorl4sSgD X-Developer-Key: i=u.kleine-koenig@pengutronix.de; a=openpgp; fpr=0D2511F322BFAB1C1580266BE2DCDD9132669BD6 Content-Transfer-Encoding: quoted-printable X-SA-Exim-Connect-IP: 2a0a:edc0:0:c01:1d::a2 X-SA-Exim-Mail-From: ukl@pengutronix.de X-SA-Exim-Scanned: No (on metis.whiteo.stw.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: linux-kernel@vger.kernel.org The .remove() callback for a platform driver returns an int which makes many driver authors wrongly assume it's possible to do error handling by returning an error code. However the value returned is ignored (apart from emitting a warning) and this typically results in resource leaks. To improve here there is a quest to make the remove callback return void. In the first step of this quest all drivers are converted to .remove_new(), which already returns void. Eventually after all drivers are converted, .remove_new() will be renamed to .remove(). Trivially convert this driver from always returning zero in the remove callback to the void returning variant. Signed-off-by: Uwe Kleine-K=C3=B6nig Acked-by: Matt Coster Reviewed-by: Matt Coster --- drivers/gpu/drm/imagination/pvr_drv.c | 7 ++----- 1 file changed, 2 insertions(+), 5 deletions(-) diff --git a/drivers/gpu/drm/imagination/pvr_drv.c b/drivers/gpu/drm/imagin= ation/pvr_drv.c index 5c3b2d58d766..1a0cb7aa9cea 100644 --- a/drivers/gpu/drm/imagination/pvr_drv.c +++ b/drivers/gpu/drm/imagination/pvr_drv.c @@ -1451,8 +1451,7 @@ pvr_probe(struct platform_device *plat_dev) return err; } =20 -static int -pvr_remove(struct platform_device *plat_dev) +static void pvr_remove(struct platform_device *plat_dev) { struct drm_device *drm_dev =3D platform_get_drvdata(plat_dev); struct pvr_device *pvr_dev =3D to_pvr_device(drm_dev); @@ -1469,8 +1468,6 @@ pvr_remove(struct platform_device *plat_dev) pvr_watchdog_fini(pvr_dev); pvr_queue_device_fini(pvr_dev); pvr_context_device_fini(pvr_dev); - - return 0; } =20 static const struct of_device_id dt_match[] =3D { @@ -1485,7 +1482,7 @@ static const struct dev_pm_ops pvr_pm_ops =3D { =20 static struct platform_driver pvr_driver =3D { .probe =3D pvr_probe, - .remove =3D pvr_remove, + .remove_new =3D pvr_remove, .driver =3D { .name =3D PVR_DRIVER_NAME, .pm =3D &pvr_pm_ops, --=20 2.43.0