From patchwork Thu Sep 14 18:16:36 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Laurent Pinchart X-Patchwork-Id: 722843 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 75EA1EEAA5D for ; Thu, 14 Sep 2023 18:17:36 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S241331AbjINSRj (ORCPT ); Thu, 14 Sep 2023 14:17:39 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50590 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S241334AbjINSRi (ORCPT ); Thu, 14 Sep 2023 14:17:38 -0400 Received: from perceval.ideasonboard.com (perceval.ideasonboard.com [IPv6:2001:4b98:dc2:55:216:3eff:fef7:d647]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3F6371FFD for ; Thu, 14 Sep 2023 11:17:34 -0700 (PDT) Received: from pendragon.ideasonboard.com (213-243-189-158.bb.dnainternet.fi [213.243.189.158]) by perceval.ideasonboard.com (Postfix) with ESMTPSA id 4438E31B9; Thu, 14 Sep 2023 20:16:00 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com; s=mail; t=1694715360; bh=gWC0aV0UYmJ9KfVJ0zjnSdHlepXy8kimFMCXE67KNK4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=k1x/R+X+h0o+inUJk7RT7V8egru4y+TBhebaJ92kkLpDa2qQA1v2jW7ocXFrCd8zb wGZZ7izpgJtmyZwLvRXeiyHpZl+3de9alidjrHGyeMTOFWn8jMAMIpJ8WOsVJWCEov ySoS694VXDLliUtLyQEosBN4ryai/egnbhY/hAcU= From: Laurent Pinchart To: linux-media@vger.kernel.org Cc: Sakari Ailus , "Paul J. Murphy" , Daniele Alessandrelli Subject: [PATCH 29/57] media: i2c: ov9282: Drop check for reentrant .s_stream() Date: Thu, 14 Sep 2023 21:16:36 +0300 Message-ID: <20230914181704.4811-30-laurent.pinchart@ideasonboard.com> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20230914181704.4811-1-laurent.pinchart@ideasonboard.com> References: <20230914181704.4811-1-laurent.pinchart@ideasonboard.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org The subdev .s_stream() operation shall not be called to start streaming on an already started subdev, or stop streaming on a stopped subdev. Remove the check that guards against that condition. The streaming field of the driver's private structure is now unused, drop it as well. Signed-off-by: Laurent Pinchart --- drivers/media/i2c/ov9282.c | 9 --------- 1 file changed, 9 deletions(-) diff --git a/drivers/media/i2c/ov9282.c b/drivers/media/i2c/ov9282.c index 068c7449f50e..bf6dfce1b5dd 100644 --- a/drivers/media/i2c/ov9282.c +++ b/drivers/media/i2c/ov9282.c @@ -165,7 +165,6 @@ struct ov9282_mode { * @cur_mode: Pointer to current selected sensor mode * @code: Mbus code currently selected * @mutex: Mutex for serializing sensor controls - * @streaming: Flag indicating streaming state */ struct ov9282 { struct device *dev; @@ -188,7 +187,6 @@ struct ov9282 { const struct ov9282_mode *cur_mode; u32 code; struct mutex mutex; - bool streaming; }; static const s64 link_freq[] = { @@ -1037,11 +1035,6 @@ static int ov9282_set_stream(struct v4l2_subdev *sd, int enable) mutex_lock(&ov9282->mutex); - if (ov9282->streaming == enable) { - mutex_unlock(&ov9282->mutex); - return 0; - } - if (enable) { ret = pm_runtime_resume_and_get(ov9282->dev); if (ret) @@ -1055,8 +1048,6 @@ static int ov9282_set_stream(struct v4l2_subdev *sd, int enable) pm_runtime_put(ov9282->dev); } - ov9282->streaming = enable; - mutex_unlock(&ov9282->mutex); return 0;