From patchwork Tue Aug 8 01:29:54 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Liao Chang X-Patchwork-Id: 711665 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 4BCDAC001DB for ; Tue, 8 Aug 2023 01:30:44 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231286AbjHHBal (ORCPT ); Mon, 7 Aug 2023 21:30:41 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58970 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231195AbjHHBae (ORCPT ); Mon, 7 Aug 2023 21:30:34 -0400 Received: from szxga01-in.huawei.com (szxga01-in.huawei.com [45.249.212.187]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 192AD19A1; Mon, 7 Aug 2023 18:30:31 -0700 (PDT) Received: from kwepemi500012.china.huawei.com (unknown [172.30.72.57]) by szxga01-in.huawei.com (SkyGuard) with ESMTP id 4RKbFW0rgWzrSMJ; Tue, 8 Aug 2023 09:29:19 +0800 (CST) Received: from huawei.com (10.67.174.53) by kwepemi500012.china.huawei.com (7.221.188.12) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.27; Tue, 8 Aug 2023 09:30:28 +0800 From: Liao Chang To: , , , , , , , , , , , , , , , , , CC: , , , , Subject: [PATCH v3 9/9] i2c: synquacer: Use dev_err_probe in probe function Date: Tue, 8 Aug 2023 09:29:54 +0800 Message-ID: <20230808012954.1643834-10-liaochang1@huawei.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230808012954.1643834-1-liaochang1@huawei.com> References: <20230808012954.1643834-1-liaochang1@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.67.174.53] X-ClientProxiedBy: dggems706-chm.china.huawei.com (10.3.19.183) To kwepemi500012.china.huawei.com (7.221.188.12) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org Use the dev_err_probe function instead of dev_err in the probe function so that the printed messge includes the return value and also handles -EPROBE_DEFER nicely. Signed-off-by: Liao Chang Reviewed-by: Andi Shyti --- drivers/i2c/busses/i2c-synquacer.c | 28 ++++++++++------------------ 1 file changed, 10 insertions(+), 18 deletions(-) diff --git a/drivers/i2c/busses/i2c-synquacer.c b/drivers/i2c/busses/i2c-synquacer.c index 4cc196ca8f6d..bbea521b05dd 100644 --- a/drivers/i2c/busses/i2c-synquacer.c +++ b/drivers/i2c/busses/i2c-synquacer.c @@ -557,20 +557,16 @@ static int synquacer_i2c_probe(struct platform_device *pdev) dev_dbg(&pdev->dev, "clock source %p\n", i2c->pclk); ret = clk_prepare_enable(i2c->pclk); - if (ret) { - dev_err(&pdev->dev, "failed to enable clock (%d)\n", - ret); - return ret; - } + if (ret) + return dev_err_probe(&pdev->dev, ret, "failed to enable clock\n"); i2c->pclkrate = clk_get_rate(i2c->pclk); } if (i2c->pclkrate < SYNQUACER_I2C_MIN_CLK_RATE || - i2c->pclkrate > SYNQUACER_I2C_MAX_CLK_RATE) { - dev_err(&pdev->dev, "PCLK missing or out of range (%d)\n", - i2c->pclkrate); - return -EINVAL; - } + i2c->pclkrate > SYNQUACER_I2C_MAX_CLK_RATE) + return dev_err_probe(&pdev->dev, -EINVAL, + "PCLK missing or out of range (%d)\n", + i2c->pclkrate); i2c->base = devm_platform_ioremap_resource(pdev, 0); if (IS_ERR(i2c->base)) @@ -582,10 +578,8 @@ static int synquacer_i2c_probe(struct platform_device *pdev) ret = devm_request_irq(&pdev->dev, i2c->irq, synquacer_i2c_isr, 0, dev_name(&pdev->dev), i2c); - if (ret < 0) { - dev_err(&pdev->dev, "cannot claim IRQ %d\n", i2c->irq); - return ret; - } + if (ret < 0) + return dev_err_probe(&pdev->dev, ret, "cannot claim IRQ %d\n", i2c->irq); i2c->state = STATE_IDLE; i2c->dev = &pdev->dev; @@ -605,10 +599,8 @@ static int synquacer_i2c_probe(struct platform_device *pdev) synquacer_i2c_hw_init(i2c); ret = i2c_add_numbered_adapter(&i2c->adapter); - if (ret) { - dev_err(&pdev->dev, "failed to add bus to i2c core\n"); - return ret; - } + if (ret) + return dev_err_probe(&pdev->dev, ret, "failed to add bus to i2c core\n"); platform_set_drvdata(pdev, i2c);