From patchwork Sat Nov 4 21:15:15 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: 13445620 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 5F2E6C001B0 for ; Sat, 4 Nov 2023 21:15:49 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230043AbjKDVPu (ORCPT ); Sat, 4 Nov 2023 17:15:50 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39980 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229999AbjKDVPs (ORCPT ); Sat, 4 Nov 2023 17:15:48 -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 97DE0D67 for ; Sat, 4 Nov 2023 14:15:44 -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 1qzNzb-000802-2R; Sat, 04 Nov 2023 22:15:43 +0100 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 1qzNza-006e1i-JH; Sat, 04 Nov 2023 22:15:42 +0100 Received: from ukl by ptz.office.stw.pengutronix.de with local (Exim 4.94.2) (envelope-from ) id 1qzNza-00D1bZ-AD; Sat, 04 Nov 2023 22:15:42 +0100 From: =?utf-8?q?Uwe_Kleine-K=C3=B6nig?= To: Sebastian Reichel Cc: linux-pm@vger.kernel.org, kernel@pengutronix.de Subject: [PATCH 13/14] power: reset: syscon-poweroff: Convert to platform remove callback returning void Date: Sat, 4 Nov 2023 22:15:15 +0100 Message-ID: <20231104211501.3676352-29-u.kleine-koenig@pengutronix.de> X-Mailer: git-send-email 2.42.0 In-Reply-To: <20231104211501.3676352-16-u.kleine-koenig@pengutronix.de> References: <20231104211501.3676352-16-u.kleine-koenig@pengutronix.de> MIME-Version: 1.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=1837; i=u.kleine-koenig@pengutronix.de; h=from:subject; bh=srRqgDebF7NkrOrBEc9PnJLcBA/1azi3DtczUI+cGTw=; b=owEBbQGS/pANAwAKAY+A+1h9Ev5OAcsmYgBlRrRkIeQItkrku7yG36o8Rfme+j3461bxs0FJK w1vMYVmHXqJATMEAAEKAB0WIQQ/gaxpOnoeWYmt/tOPgPtYfRL+TgUCZUa0ZAAKCRCPgPtYfRL+ TndSB/9iy+G/v7/Oy+555IMKLtO1ma5A2MCa1Wx/gczjeGo5m//5aVYYpXbJ5Z7npTyTQbGD0MS +XoBrxI5lp4fEOTnEtXRXJ/7t09MsAxTWWauFY+005Za9lOkjb1TdJsKt9vPZKkjmWVmNsofVJ0 kQLSYB3fQjf0yFmOD/qOGiU4IT41uVqfaT/chnEyIvvqB50xmafd2nr+GsGEkS2dcRs/hfFfIf+ dt+QUJEdgHKX5HHEY5W6w02W6b+hhX4DLsF6O2hNg+y4gH6harITIumIr6+DR3YCYSU2Sm7eeoo sCYoTtDA0U7MDHnXJbo/9FTTurZkvwv0Z2NrZ3h7y6tHItST 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-pm@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pm@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/power/reset/syscon-poweroff.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/drivers/power/reset/syscon-poweroff.c b/drivers/power/reset/syscon-poweroff.c index c3aab7f59345..1b2ce7734260 100644 --- a/drivers/power/reset/syscon-poweroff.c +++ b/drivers/power/reset/syscon-poweroff.c @@ -76,12 +76,10 @@ static int syscon_poweroff_probe(struct platform_device *pdev) return 0; } -static int syscon_poweroff_remove(struct platform_device *pdev) +static void syscon_poweroff_remove(struct platform_device *pdev) { if (pm_power_off == syscon_poweroff) pm_power_off = NULL; - - return 0; } static const struct of_device_id syscon_poweroff_of_match[] = { @@ -91,7 +89,7 @@ static const struct of_device_id syscon_poweroff_of_match[] = { static struct platform_driver syscon_poweroff_driver = { .probe = syscon_poweroff_probe, - .remove = syscon_poweroff_remove, + .remove_new = syscon_poweroff_remove, .driver = { .name = "syscon-poweroff", .of_match_table = syscon_poweroff_of_match,