From patchwork Tue Mar 7 06:56:03 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: 13163004 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 963E9C678D4 for ; Tue, 7 Mar 2023 08:18:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230019AbjCGISD (ORCPT ); Tue, 7 Mar 2023 03:18:03 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53534 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230106AbjCGIR4 (ORCPT ); Tue, 7 Mar 2023 03:17:56 -0500 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 7A8284FF34 for ; Tue, 7 Mar 2023 00:17:43 -0800 (PST) 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 1pZSVk-0003g3-F5; Tue, 07 Mar 2023 09:17:28 +0100 Received: from [2a0a:edc0:0:900:1d::77] (helo=ptz.office.stw.pengutronix.de) by drehscheibe.grey.stw.pengutronix.de with esmtp (Exim 4.94.2) (envelope-from ) id 1pZRF5-002Q7K-GG; Tue, 07 Mar 2023 07:56:11 +0100 Received: from ukl by ptz.office.stw.pengutronix.de with local (Exim 4.94.2) (envelope-from ) id 1pZRF4-002uCh-KT; Tue, 07 Mar 2023 07:56:10 +0100 From: =?utf-8?q?Uwe_Kleine-K=C3=B6nig?= To: Krzysztof Kozlowski , Wim Van Sebroeck , Guenter Roeck Cc: Alim Akhtar , linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, linux-watchdog@vger.kernel.org, linux-kernel@vger.kernel.org, kernel@pengutronix.de Subject: [PATCH v2 2/2] watchdog: s3c2410_wdt: Simplify using dev_err_probe() Date: Tue, 7 Mar 2023 07:56:03 +0100 Message-Id: <20230307065603.2253054-3-u.kleine-koenig@pengutronix.de> X-Mailer: git-send-email 2.39.1 In-Reply-To: <20230307065603.2253054-1-u.kleine-koenig@pengutronix.de> References: <20230307065603.2253054-1-u.kleine-koenig@pengutronix.de> MIME-Version: 1.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=2952; i=u.kleine-koenig@pengutronix.de; h=from:subject; bh=SPTADogXAYTaKc+C78RKrrt7xUHnzCo6ao7xCudFxtA=; b=owEBbQGS/pANAwAKAcH8FHityuwJAcsmYgBkBt/9TgrXqvneQq8BrEXsLFVQzyVJH8K0F3nGq Km8agAZpKqJATMEAAEKAB0WIQR+cioWkBis/z50pAvB/BR4rcrsCQUCZAbf/QAKCRDB/BR4rcrs CT+rB/0akvpL8yOXpGcUlsq2sQ4ODnKHZohwUCZxgzMAFJaXYYx+LolOaUIeX6lIaLOb8UqkscH EL49wR/amDpifqzJt8EMkomj+MtPyK0G5lEoUqGQERtPAdnSUO+pZZ5+7d2jscyqHIjX0Sgt6s9 HRZtF9agfhV1MQC5ad4mliPQwVhNYSKQY0INXrdjFjfLYvJQZ11KGjc7V0CaUCofAR+lxcIJdmP DNUSWE5pC/zJa3jjythRIdvI1m5twkxV9xNv5pDa4BEJKzy62NP9aRVN5OpIIQNTjEohNHR3nIy I3bMg7o/Nu+dHB62pqIz1mkJrfgjht/aahKNB8ItncGBxvB+ 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.ext.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: linux-watchdog@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-watchdog@vger.kernel.org Make use of dev_err_probe() also for error paths that don't have to handle -EPROBE_DEFER. While the code handing -EPROBE_DEFER isn't used for these error paths, it still simpler as it cares for pretty printing the error code and usually needs one code line less as it combines message emitting and error returning. This also unifies the format of the error messages. Signed-off-by: Uwe Kleine-König Reviewed-by: Guenter Roeck --- drivers/watchdog/s3c2410_wdt.c | 29 ++++++++++------------------- 1 file changed, 10 insertions(+), 19 deletions(-) diff --git a/drivers/watchdog/s3c2410_wdt.c b/drivers/watchdog/s3c2410_wdt.c index f3de8ef499c3..e14d6d9050ce 100644 --- a/drivers/watchdog/s3c2410_wdt.c +++ b/drivers/watchdog/s3c2410_wdt.c @@ -601,10 +601,8 @@ s3c2410_get_wdt_drv_data(struct platform_device *pdev, struct s3c2410_wdt *wdt) err = of_property_read_u32(dev->of_node, "samsung,cluster-index", &index); - if (err) { - dev_err(dev, "failed to get cluster index\n"); - return -EINVAL; - } + if (err) + return dev_err_probe(dev, -EINVAL, "failed to get cluster index\n"); switch (index) { case 0: @@ -615,8 +613,7 @@ s3c2410_get_wdt_drv_data(struct platform_device *pdev, struct s3c2410_wdt *wdt) &drv_data_exynosautov9_cl1; break; default: - dev_err(dev, "wrong cluster index: %u\n", index); - return -EINVAL; + return dev_err_probe(dev, -EINVAL, "wrong cluster index: %u\n", index); } } #endif @@ -653,10 +650,8 @@ static int s3c2410wdt_probe(struct platform_device *pdev) if (wdt->drv_data->quirks & QUIRKS_HAVE_PMUREG) { wdt->pmureg = syscon_regmap_lookup_by_phandle(dev->of_node, "samsung,syscon-phandle"); - if (IS_ERR(wdt->pmureg)) { - dev_err(dev, "syscon regmap lookup failed.\n"); - return PTR_ERR(wdt->pmureg); - } + if (IS_ERR(wdt->pmureg)) + return dev_err_probe(dev, PTR_ERR(wdt->pmureg), "syscon regmap lookup failed.\n"); } wdt_irq = platform_get_irq(pdev, 0); @@ -694,21 +689,17 @@ static int s3c2410wdt_probe(struct platform_device *pdev) if (ret) { ret = s3c2410wdt_set_heartbeat(&wdt->wdt_device, S3C2410_WATCHDOG_DEFAULT_TIME); - if (ret == 0) { + if (ret == 0) dev_warn(dev, "tmr_margin value out of range, default %d used\n", S3C2410_WATCHDOG_DEFAULT_TIME); - } else { - dev_err(dev, "failed to use default timeout\n"); - return ret; - } + else + return dev_err_probe(dev, ret, "failed to use default timeout\n"); } ret = devm_request_irq(dev, wdt_irq, s3c2410wdt_irq, 0, pdev->name, pdev); - if (ret != 0) { - dev_err(dev, "failed to install irq (%d)\n", ret); - return ret; - } + if (ret != 0) + return dev_err_probe(dev, ret, "failed to install irq (%d)\n", ret); watchdog_set_nowayout(&wdt->wdt_device, nowayout); watchdog_set_restart_priority(&wdt->wdt_device, 128);