From patchwork Wed Jul 7 16:28:33 2021 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: 1501905 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=23.128.96.18; helo=vger.kernel.org; envelope-from=linux-pwm-owner@vger.kernel.org; receiver=) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by ozlabs.org (Postfix) with ESMTP id 4GKlls4nGBz9sRK for ; Thu, 8 Jul 2021 02:50:17 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230334AbhGGQw4 (ORCPT ); Wed, 7 Jul 2021 12:52:56 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44112 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230327AbhGGQww (ORCPT ); Wed, 7 Jul 2021 12:52:52 -0400 Received: from metis.ext.pengutronix.de (metis.ext.pengutronix.de [IPv6:2001:67c:670:201:290:27ff:fe1d:cc33]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 41CB4C061766 for ; Wed, 7 Jul 2021 09:50:09 -0700 (PDT) Received: from drehscheibe.grey.stw.pengutronix.de ([2a0a:edc0:0:c01:1d::a2]) by metis.ext.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1m1AkQ-0007Bp-LR; Wed, 07 Jul 2021 18:50:06 +0200 Received: from [2a0a:edc0:0:900:1d::77] (helo=ptz.office.stw.pengutronix.de) by drehscheibe.grey.stw.pengutronix.de with esmtp (Exim 4.92) (envelope-from ) id 1m1AkP-0002f6-Ie; Wed, 07 Jul 2021 18:50:05 +0200 Received: from ukl by ptz.office.stw.pengutronix.de with local (Exim 4.92) (envelope-from ) id 1m1APn-0006K4-Hf; Wed, 07 Jul 2021 18:28:47 +0200 From: =?utf-8?q?Uwe_Kleine-K=C3=B6nig?= To: Thierry Reding , Lee Jones Cc: linux-pwm@vger.kernel.org, kernel@pengutronix.de Subject: [PATCH 45/47] pwm: sifive: Don't check the return code of pwmchip_remove() Date: Wed, 7 Jul 2021 18:28:33 +0200 Message-Id: <20210707162835.1772882-46-u.kleine-koenig@pengutronix.de> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210707162835.1772882-1-u.kleine-koenig@pengutronix.de> References: <20210707162835.1772882-1-u.kleine-koenig@pengutronix.de> MIME-Version: 1.0 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.ext.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: linux-pwm@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pwm@vger.kernel.org pwmchip_remove() returns always 0. Don't use the value to make it possible to eventually change the function to return void. Also the driver core ignores the return value of pwm_sifive_remove(). Signed-off-by: Uwe Kleine-König --- drivers/pwm/pwm-sifive.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/pwm/pwm-sifive.c b/drivers/pwm/pwm-sifive.c index 420edc4aa94a..253c4a17d255 100644 --- a/drivers/pwm/pwm-sifive.c +++ b/drivers/pwm/pwm-sifive.c @@ -291,7 +291,7 @@ static int pwm_sifive_remove(struct platform_device *dev) struct pwm_sifive_ddata *ddata = platform_get_drvdata(dev); bool is_enabled = false; struct pwm_device *pwm; - int ret, ch; + int ch; for (ch = 0; ch < ddata->chip.npwm; ch++) { pwm = &ddata->chip.pwms[ch]; @@ -304,10 +304,10 @@ static int pwm_sifive_remove(struct platform_device *dev) clk_disable(ddata->clk); clk_disable_unprepare(ddata->clk); - ret = pwmchip_remove(&ddata->chip); + pwmchip_remove(&ddata->chip); clk_notifier_unregister(ddata->clk, &ddata->notifier); - return ret; + return 0; } static const struct of_device_id pwm_sifive_of_match[] = {