From patchwork Mon Sep 21 16:23:31 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Krzysztof Kozlowski X-Patchwork-Id: 11790457 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 96CC3139A for ; Mon, 21 Sep 2020 16:25:46 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 7D700235FD for ; Mon, 21 Sep 2020 16:25:46 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1600705546; bh=CtYBPbVten33sCuQfFP5p1PnqEsTO7rjdlT1qICCAJg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=sVUjG4QxDDRi2a2xV0/xryGdbIUzR3FTGtW5VQcS1sJKIWJnTtxFnoLEE24xmdflD OelVIgFG1KaOLa5oIAQfyR7P9ypqCyTP2CFy/gdaCIp8cJAr8NM6rIYu+diNFugAPq gnM7yGu5+bQEapRtPJuGMB1JCSwauzQQLB2ePquQ= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728406AbgIUQZm (ORCPT ); Mon, 21 Sep 2020 12:25:42 -0400 Received: from mail.kernel.org ([198.145.29.99]:52552 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726795AbgIUQZm (ORCPT ); Mon, 21 Sep 2020 12:25:42 -0400 Received: from localhost.localdomain (unknown [194.230.155.191]) (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 19AAA2371F; Mon, 21 Sep 2020 16:25:33 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1600705541; bh=CtYBPbVten33sCuQfFP5p1PnqEsTO7rjdlT1qICCAJg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Bv7vGtJ+8GxJglu9r5P0ssYHuYQwYxQCM+j0bwOV7JckZbIoglK6LMwEhi61FrtAU ThttEYbgXiH/BszWjqsxzTZzCuY9HRBfiJcRoi7NvqzXOwXrXp4cc5uNM+SXVfGrjR IRl+g4o9evSR8lcCD1twVxDpxIs4996XysMryeT8= From: Krzysztof Kozlowski To: Pavel Machek , Sakari Ailus , Mauro Carvalho Chehab , Lars-Peter Clausen , Tianshu Qiu , Dongchun Zhu , Shawn Tu , Ricardo Ribalda , Dave Stevenson , Manivannan Sadhasivam , Bingbu Cao , Rui Miguel Silva , Shunqian Zheng , Chiranjeevi Rapolu , Hyungwoo Yang , Wenyou Yang , Hans Verkuil , Marco Felsch , linux-media@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Krzysztof Kozlowski Subject: [PATCH 14/25] media: i2c: hi556: simplify getting state container Date: Mon, 21 Sep 2020 18:23:31 +0200 Message-Id: <20200921162342.7348-14-krzk@kernel.org> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200921162342.7348-1-krzk@kernel.org> References: <20200921162342.7348-1-krzk@kernel.org> 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 --- drivers/media/i2c/hi556.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/drivers/media/i2c/hi556.c b/drivers/media/i2c/hi556.c index c66cd1446c0f..c74736845d7a 100644 --- a/drivers/media/i2c/hi556.c +++ b/drivers/media/i2c/hi556.c @@ -839,8 +839,7 @@ static int hi556_set_stream(struct v4l2_subdev *sd, int enable) static int __maybe_unused hi556_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 hi556 *hi556 = to_hi556(sd); mutex_lock(&hi556->mutex); @@ -854,8 +853,7 @@ static int __maybe_unused hi556_suspend(struct device *dev) static int __maybe_unused hi556_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 hi556 *hi556 = to_hi556(sd); int ret;