From patchwork Wed Nov 18 20:27:14 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Krzysztof Kozlowski X-Patchwork-Id: 11915795 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=-19.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham 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 95568C64E69 for ; Wed, 18 Nov 2020 20:27:40 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 3711521D1A for ; Wed, 18 Nov 2020 20:27:40 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="KRcBF5IX" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727011AbgKRU11 (ORCPT ); Wed, 18 Nov 2020 15:27:27 -0500 Received: from mail.kernel.org ([198.145.29.99]:48272 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726397AbgKRU10 (ORCPT ); Wed, 18 Nov 2020 15:27:26 -0500 Received: from localhost.localdomain (adsl-84-226-167-205.adslplus.ch [84.226.167.205]) (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 A8CCB21D1A; Wed, 18 Nov 2020 20:27:23 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1605731245; bh=zWUF7gy1Qf1dX62rn0FAOk2xbwwQdbfUgsxvI5Sklh4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=KRcBF5IXReP3/8RuXXB2P1nmbuncdDahslf9q3PtUMZvVyuaGyBPH3++du6sEDCig FcLjaDA1LhvZWQAToMkV6ML4ahBHnI2zSrG5KIRTfv2br3sXrfavcZ+3H7l2mZ+rC+ M9UGOh26klSuwqIgQ+HtcWU6ijd6XYan7RTdlUIc= From: Krzysztof Kozlowski To: Sakari Ailus , Mauro Carvalho Chehab , Rob Herring , linux-media@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Cc: Krzysztof Kozlowski Subject: [PATCH v6 3/4] media: i2c: imx258: simplify getting state container Date: Wed, 18 Nov 2020 21:27:14 +0100 Message-Id: <20201118202715.6692-3-krzk@kernel.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20201118202715.6692-1-krzk@kernel.org> References: <20201118202715.6692-1-krzk@kernel.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org The pointer to 'struct v4l2_subdev' is stored in drvdata via v4l2_i2c_subdev_init() so there is no point of a dance like: struct i2c_client *client = to_i2c_client(struct device *dev) struct v4l2_subdev *sd = i2c_get_clientdata(client); This allows to remove local variable 'client' and few pointer dereferences. Signed-off-by: Krzysztof Kozlowski --- Changes since v3: 1. None Changes since v2: 1. New patch --- drivers/media/i2c/imx258.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/drivers/media/i2c/imx258.c b/drivers/media/i2c/imx258.c index ba7f29622974..505981e02cff 100644 --- a/drivers/media/i2c/imx258.c +++ b/drivers/media/i2c/imx258.c @@ -1018,8 +1018,7 @@ static int imx258_set_stream(struct v4l2_subdev *sd, int enable) static int __maybe_unused imx258_suspend(struct device *dev) { - struct i2c_client *client = to_i2c_client(dev); - struct v4l2_subdev *sd = i2c_get_clientdata(client); + struct v4l2_subdev *sd = dev_get_drvdata(dev); struct imx258 *imx258 = to_imx258(sd); if (imx258->streaming) @@ -1030,8 +1029,7 @@ static int __maybe_unused imx258_suspend(struct device *dev) static int __maybe_unused imx258_resume(struct device *dev) { - struct i2c_client *client = to_i2c_client(dev); - struct v4l2_subdev *sd = i2c_get_clientdata(client); + struct v4l2_subdev *sd = dev_get_drvdata(dev); struct imx258 *imx258 = to_imx258(sd); int ret;