From patchwork Wed Sep 27 19:37:33 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Uwe_Kleine-K=C3=B6nig?= X-Patchwork-Id: 1840406 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=2620:137:e000::1:20; helo=out1.vger.email; envelope-from=linux-tegra-owner@vger.kernel.org; receiver=patchwork.ozlabs.org) Received: from out1.vger.email (out1.vger.email [IPv6:2620:137:e000::1:20]) by legolas.ozlabs.org (Postfix) with ESMTP id 4Rwn2k2hF1z1ynX for ; Thu, 28 Sep 2023 05:38:06 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229761AbjI0TiD (ORCPT ); Wed, 27 Sep 2023 15:38:03 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58870 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229796AbjI0TiC (ORCPT ); Wed, 27 Sep 2023 15:38:02 -0400 Received: from metis.whiteo.stw.pengutronix.de (metis.whiteo.stw.pengutronix.de [IPv6:2a0a:edc0:2:b01:1d::104]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 699D0121 for ; Wed, 27 Sep 2023 12:38:01 -0700 (PDT) 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 1qlaM1-0002a1-Tt; Wed, 27 Sep 2023 21:37:49 +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 1qlaM0-009Pat-VH; Wed, 27 Sep 2023 21:37:48 +0200 Received: from ukl by ptz.office.stw.pengutronix.de with local (Exim 4.94.2) (envelope-from ) id 1qlaM0-005Rh8-Lj; Wed, 27 Sep 2023 21:37:48 +0200 From: =?utf-8?q?Uwe_Kleine-K=C3=B6nig?= To: "Rafael J. Wysocki" , Daniel Lezcano Cc: Amit Kucheria , Zhang Rui , Thierry Reding , Jonathan Hunter , =?utf-8?q?Niklas_S=C3=B6derlund?= , Jernej Skrabec , Johan Hovold , linux-pm@vger.kernel.org, linux-tegra@vger.kernel.org, kernel@pengutronix.de Subject: [PATCH 28/31] thermal: soctherm: Convert to platform remove callback returning void Date: Wed, 27 Sep 2023 21:37:33 +0200 Message-Id: <20230927193736.2236447-29-u.kleine-koenig@pengutronix.de> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20230927193736.2236447-1-u.kleine-koenig@pengutronix.de> References: <20230927193736.2236447-1-u.kleine-koenig@pengutronix.de> MIME-Version: 1.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=1900; i=u.kleine-koenig@pengutronix.de; h=from:subject; bh=uHVcHD4muj48wU7dFB0AW5fmvDkHoBh8EbeZlIdklcc=; b=owEBbQGS/pANAwAKAY+A+1h9Ev5OAcsmYgBlFIR4xNQwDwkSqNP7b56y0F7eEi1bDNdpRSghz NJgZg2wpVmJATMEAAEKAB0WIQQ/gaxpOnoeWYmt/tOPgPtYfRL+TgUCZRSEeAAKCRCPgPtYfRL+ TrFmB/9BVMH7cwlUzWiCs3E/AO0ZbkTeUc/Hba5ZmDaXAk2Gj9mL3vN/R3YTC2VmBxrbvEuNUei kwt8uqP6X20RpF1gt5v1/oZj6xad5EOV/r714xDPOXGWvA6HmUUc+HtAkceK/BfuIlnkV+4aUPw CSiAjZ4rcS9z0l95D6PgMRk5jbkpeWe+cG/e8DlQUOybEqpR6wCbC1URj6tPNaVdCG10A1m/qGb Z3X57BFZKwjfnqnZNBq4UwZPytqYO3X5odTjnuIlYgluIJXiu50i0btXQw34wjWgYj6CJwYP3oq UeOAIgS3ys5F0M/585zfX281+ZdiUBelwLlVZhQFIFpf8p7Z X-Developer-Key: i=u.kleine-koenig@pengutronix.de; a=openpgp; fpr=0D2511F322BFAB1C1580266BE2DCDD9132669BD6 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-tegra@vger.kernel.org X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_BLOCKED,SPF_HELO_NONE,SPF_PASS autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-tegra@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-König --- drivers/thermal/tegra/soctherm.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/drivers/thermal/tegra/soctherm.c b/drivers/thermal/tegra/soctherm.c index ea66cba09e56..e7fe8683bfc5 100644 --- a/drivers/thermal/tegra/soctherm.c +++ b/drivers/thermal/tegra/soctherm.c @@ -2219,15 +2219,13 @@ static int tegra_soctherm_probe(struct platform_device *pdev) return err; } -static int tegra_soctherm_remove(struct platform_device *pdev) +static void tegra_soctherm_remove(struct platform_device *pdev) { struct tegra_soctherm *tegra = platform_get_drvdata(pdev); debugfs_remove_recursive(tegra->debugfs_dir); soctherm_clk_enable(pdev, false); - - return 0; } static int __maybe_unused soctherm_suspend(struct device *dev) @@ -2274,7 +2272,7 @@ static SIMPLE_DEV_PM_OPS(tegra_soctherm_pm, soctherm_suspend, soctherm_resume); static struct platform_driver tegra_soctherm_driver = { .probe = tegra_soctherm_probe, - .remove = tegra_soctherm_remove, + .remove_new = tegra_soctherm_remove, .driver = { .name = "tegra_soctherm", .pm = &tegra_soctherm_pm, From patchwork Wed Sep 27 19:37:34 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Uwe_Kleine-K=C3=B6nig?= X-Patchwork-Id: 1840405 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=2620:137:e000::1:20; helo=out1.vger.email; envelope-from=linux-tegra-owner@vger.kernel.org; receiver=patchwork.ozlabs.org) Received: from out1.vger.email (out1.vger.email [IPv6:2620:137:e000::1:20]) by legolas.ozlabs.org (Postfix) with ESMTP id 4Rwn2l0Rtzz1ypS for ; Thu, 28 Sep 2023 05:38:07 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229730AbjI0TiE (ORCPT ); Wed, 27 Sep 2023 15:38:04 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58916 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229803AbjI0TiD (ORCPT ); Wed, 27 Sep 2023 15:38:03 -0400 Received: from metis.whiteo.stw.pengutronix.de (metis.whiteo.stw.pengutronix.de [IPv6:2a0a:edc0:2:b01:1d::104]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id CCEEB10A for ; Wed, 27 Sep 2023 12:38:02 -0700 (PDT) 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 1qlaM2-0002ap-Cm; Wed, 27 Sep 2023 21:37:50 +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 1qlaM1-009Pax-6L; Wed, 27 Sep 2023 21:37:49 +0200 Received: from ukl by ptz.office.stw.pengutronix.de with local (Exim 4.94.2) (envelope-from ) id 1qlaM0-005RhC-TP; Wed, 27 Sep 2023 21:37:48 +0200 From: =?utf-8?q?Uwe_Kleine-K=C3=B6nig?= To: "Rafael J. Wysocki" , Daniel Lezcano Cc: Amit Kucheria , Zhang Rui , Thierry Reding , Jonathan Hunter , Mikko Perttunen , =?utf-8?q?Niklas_S=C3=B6derlund?= , linux-pm@vger.kernel.org, linux-tegra@vger.kernel.org, kernel@pengutronix.de Subject: [PATCH 29/31] thermal: tegra-bpmp: Convert to platform remove callback returning void Date: Wed, 27 Sep 2023 21:37:34 +0200 Message-Id: <20230927193736.2236447-30-u.kleine-koenig@pengutronix.de> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20230927193736.2236447-1-u.kleine-koenig@pengutronix.de> References: <20230927193736.2236447-1-u.kleine-koenig@pengutronix.de> MIME-Version: 1.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=1947; i=u.kleine-koenig@pengutronix.de; h=from:subject; bh=uEYsqiyECnkROUq/Po2gsxShXIZII6cGT6ve6yNHOlk=; b=owEBbQGS/pANAwAKAY+A+1h9Ev5OAcsmYgBlFIR5jAoz2/2cVtNLE6PxnscgzP4lySOjpuW1V aW7xT1ZueaJATMEAAEKAB0WIQQ/gaxpOnoeWYmt/tOPgPtYfRL+TgUCZRSEeQAKCRCPgPtYfRL+ TtZ0CAC74IEUoSwVq/Ks3db/0DD2TWq0bgbzKgbw2WqF19YhX9MzBKahBEmgsf3lX/1jM/A75th pwJeUhKrCxYGPckO1lbvvex9Mro5Hj8r0NT4PG1YDVlRw/bDyw3tsuOhJUhZoQFkl9OsPbTjcYi weIlYb7VZlSEwRyuX5mdY8JtJsE8ekxwliKLm3WPLRVtllbKV3d84o8AyMz78qXbfQQNgAy7ekJ O2+xEvnHZMfYJo69u9hZDHaK1udS3DV/vHnMktIvVOW7vdU24W7sQrLF5117fjVUHN0t5iwyIL3 1D9+x+5Q6dariRrlzGvF6swswbUFw8a9dshpcUrb2pWrd8HN X-Developer-Key: i=u.kleine-koenig@pengutronix.de; a=openpgp; fpr=0D2511F322BFAB1C1580266BE2DCDD9132669BD6 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-tegra@vger.kernel.org X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_BLOCKED,SPF_HELO_NONE,SPF_PASS autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-tegra@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-König --- drivers/thermal/tegra/tegra-bpmp-thermal.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/drivers/thermal/tegra/tegra-bpmp-thermal.c b/drivers/thermal/tegra/tegra-bpmp-thermal.c index 4ffc3bb3bf35..72ce14c980cd 100644 --- a/drivers/thermal/tegra/tegra-bpmp-thermal.c +++ b/drivers/thermal/tegra/tegra-bpmp-thermal.c @@ -300,13 +300,11 @@ static int tegra_bpmp_thermal_probe(struct platform_device *pdev) return 0; } -static int tegra_bpmp_thermal_remove(struct platform_device *pdev) +static void tegra_bpmp_thermal_remove(struct platform_device *pdev) { struct tegra_bpmp_thermal *tegra = platform_get_drvdata(pdev); tegra_bpmp_free_mrq(tegra->bpmp, MRQ_THERMAL, tegra); - - return 0; } static const struct of_device_id tegra_bpmp_thermal_of_match[] = { @@ -317,7 +315,7 @@ MODULE_DEVICE_TABLE(of, tegra_bpmp_thermal_of_match); static struct platform_driver tegra_bpmp_thermal_driver = { .probe = tegra_bpmp_thermal_probe, - .remove = tegra_bpmp_thermal_remove, + .remove_new = tegra_bpmp_thermal_remove, .driver = { .name = "tegra-bpmp-thermal", .of_match_table = tegra_bpmp_thermal_of_match,