From patchwork Sat Aug 29 06:47:26 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Krzysztof Kozlowski X-Patchwork-Id: 257313 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-14.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 925D2C433E7 for ; Sat, 29 Aug 2020 06:49:12 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 69BBF214D8 for ; Sat, 29 Aug 2020 06:49:12 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1598683752; bh=4Lu3EJuJBkPkkhNm8cEkffiFcH6Q42bc9rp03XpBrfM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=exnBKj7e/49YOv9tDIrqRtsfP6ZFYSOguM7hZNwcQjoc6MYAT8nVxOglCeCjVZ+XT VGlYGonLr5VhZAyHjHkCV6GiyjNwrl095iSiSdEbhEF5wploBwhyEiVOAKKiZ1S2q0 /DhURkKsSGLInLpkm0t8/Pa1db/T3nzMMuvSlr5o= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727939AbgH2GtI (ORCPT ); Sat, 29 Aug 2020 02:49:08 -0400 Received: from mail.kernel.org ([198.145.29.99]:42904 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727935AbgH2GtF (ORCPT ); Sat, 29 Aug 2020 02:49:05 -0400 Received: from localhost.localdomain (unknown [194.230.155.216]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id D3B3820E65; Sat, 29 Aug 2020 06:49:01 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1598683744; bh=4Lu3EJuJBkPkkhNm8cEkffiFcH6Q42bc9rp03XpBrfM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=2q5UJCJTz4MbOA8HJ/KI2YbH8ixBYNWTU5cscPWHOwBazmyqOMEXvAJA/TxjhKgCc dcJSIcEFEFv2wOtJLH1DrUOpfmGGfdCCzR7rTAP/4bqEVf4iq8xpZCegelD2iVSsM7 wejsuCcOP7LOR8iIyXVxYXrH/DNE/16YWdxioG8c= From: Krzysztof Kozlowski To: Jonathan Cameron , Lars-Peter Clausen , Peter Meerwald-Stadler , Peter Rosin , Michael Hennerich , Marek Vasut , Tomasz Duszynski , linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, linux-amlogic@lists.infradead.org, linux-stm32@st-md-mailman.stormreply.com Cc: Andy Shevchenko , Krzysztof Kozlowski Subject: [PATCH v3 18/18] iio: multiplexer: iio-mux: Simplify with dev_err_probe() Date: Sat, 29 Aug 2020 08:47:26 +0200 Message-Id: <20200829064726.26268-18-krzk@kernel.org> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200829064726.26268-1-krzk@kernel.org> References: <20200829064726.26268-1-krzk@kernel.org> Sender: linux-samsung-soc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-samsung-soc@vger.kernel.org Common pattern of handling deferred probe can be simplified with dev_err_probe(). Less code and also it prints the error value. Signed-off-by: Krzysztof Kozlowski Reviewed-by: Andy Shevchenko Acked-by: Peter Rosin --- Changes since v2: 1. Wrap dev_err_probe() lines at 80 character --- drivers/iio/multiplexer/iio-mux.c | 8 +++----- 1 file changed, 3 insertions(+), 5 deletions(-) diff --git a/drivers/iio/multiplexer/iio-mux.c b/drivers/iio/multiplexer/iio-mux.c index 6910218fdb00..d54ae5cbe51b 100644 --- a/drivers/iio/multiplexer/iio-mux.c +++ b/drivers/iio/multiplexer/iio-mux.c @@ -354,11 +354,9 @@ static int mux_probe(struct platform_device *pdev) return -ENODEV; parent = devm_iio_channel_get(dev, "parent"); - if (IS_ERR(parent)) { - if (PTR_ERR(parent) != -EPROBE_DEFER) - dev_err(dev, "failed to get parent channel\n"); - return PTR_ERR(parent); - } + if (IS_ERR(parent)) + return dev_err_probe(dev, PTR_ERR(parent), + "failed to get parent channel\n"); sizeof_ext_info = iio_get_channel_ext_info_count(parent); if (sizeof_ext_info) {