From patchwork Wed Mar 18 00:25:05 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Laurent Pinchart X-Patchwork-Id: 210575 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=-9.9 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU, HEADER_FROM_DIFFERENT_DOMAINS, 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 88829C5ACDC for ; Wed, 18 Mar 2020 00:25:26 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 5A2A62073E for ; Wed, 18 Mar 2020 00:25:26 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=ideasonboard.com header.i=@ideasonboard.com header.b="cJKrazMR" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727179AbgCRAZY (ORCPT ); Tue, 17 Mar 2020 20:25:24 -0400 Received: from perceval.ideasonboard.com ([213.167.242.64]:59890 "EHLO perceval.ideasonboard.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727041AbgCRAZY (ORCPT ); Tue, 17 Mar 2020 20:25:24 -0400 Received: from pendragon.bb.dnainternet.fi (81-175-216-236.bb.dnainternet.fi [81.175.216.236]) by perceval.ideasonboard.com (Postfix) with ESMTPSA id DA15DD9B; Wed, 18 Mar 2020 01:25:21 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com; s=mail; t=1584491122; bh=AsZOXmDiLbgJ/+2+f7+NZq7I0JLo+kXl55wBUTjt9KA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=cJKrazMRm9ZUkdvhwBkjY5LXNQOTni+shhTGKPPrLfldDIP7mMzxap8G0qxidqgG7 eLrr5x5OK4PPk965PenoycxUNERV2fKyvvvpjwoRH2pO0SLMxyY8kw8aoFGYBgEybj p74FT9xdb+jBJ2oG2uFwj9d56w6m3JNLasPyGe1A= From: Laurent Pinchart To: linux-media@vger.kernel.org Cc: Sakari Ailus , Jacopo Mondi , =?utf-8?q?Niklas_S=C3=B6derlund?= , Kieran Bingham , Lad Prabhakar , linux-renesas-soc@vger.kernel.org Subject: [PATCH v2 2/4] media: v4l2-async: Pass notifier pointer to match functions Date: Wed, 18 Mar 2020 02:25:05 +0200 Message-Id: <20200318002507.30336-3-laurent.pinchart+renesas@ideasonboard.com> X-Mailer: git-send-email 2.24.1 In-Reply-To: <20200318002507.30336-1-laurent.pinchart+renesas@ideasonboard.com> References: <20200318002507.30336-1-laurent.pinchart+renesas@ideasonboard.com> MIME-Version: 1.0 Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org The notifier is useful to match functions to access information about the device matching a subdev. This will be used to print messages using the correct struct device and driver name. Signed-off-by: Laurent Pinchart --- drivers/media/v4l2-core/v4l2-async.c | 18 +++++++++++------- 1 file changed, 11 insertions(+), 7 deletions(-) diff --git a/drivers/media/v4l2-core/v4l2-async.c b/drivers/media/v4l2-core/v4l2-async.c index 995e5464cba7..224b39a7aeb1 100644 --- a/drivers/media/v4l2-core/v4l2-async.c +++ b/drivers/media/v4l2-core/v4l2-async.c @@ -50,7 +50,8 @@ static int v4l2_async_notifier_call_complete(struct v4l2_async_notifier *n) return n->ops->complete(n); } -static bool match_i2c(struct v4l2_subdev *sd, struct v4l2_async_subdev *asd) +static bool match_i2c(struct v4l2_async_notifier *notifier, + struct v4l2_subdev *sd, struct v4l2_async_subdev *asd) { #if IS_ENABLED(CONFIG_I2C) struct i2c_client *client = i2c_verify_client(sd->dev); @@ -63,13 +64,14 @@ static bool match_i2c(struct v4l2_subdev *sd, struct v4l2_async_subdev *asd) #endif } -static bool match_devname(struct v4l2_subdev *sd, - struct v4l2_async_subdev *asd) +static bool match_devname(struct v4l2_async_notifier *notifier, + struct v4l2_subdev *sd, struct v4l2_async_subdev *asd) { return !strcmp(asd->match.device_name, dev_name(sd->dev)); } -static bool match_fwnode(struct v4l2_subdev *sd, struct v4l2_async_subdev *asd) +static bool match_fwnode(struct v4l2_async_notifier *notifier, + struct v4l2_subdev *sd, struct v4l2_async_subdev *asd) { struct fwnode_handle *other_fwnode; struct fwnode_handle *dev_fwnode; @@ -114,7 +116,8 @@ static bool match_fwnode(struct v4l2_subdev *sd, struct v4l2_async_subdev *asd) return dev_fwnode == other_fwnode; } -static bool match_custom(struct v4l2_subdev *sd, struct v4l2_async_subdev *asd) +static bool match_custom(struct v4l2_async_notifier *notifier, + struct v4l2_subdev *sd, struct v4l2_async_subdev *asd) { if (!asd->match.custom.match) /* Match always */ @@ -131,7 +134,8 @@ static struct v4l2_async_subdev * v4l2_async_find_match(struct v4l2_async_notifier *notifier, struct v4l2_subdev *sd) { - bool (*match)(struct v4l2_subdev *sd, struct v4l2_async_subdev *asd); + bool (*match)(struct v4l2_async_notifier *notifier, + struct v4l2_subdev *sd, struct v4l2_async_subdev *asd); struct v4l2_async_subdev *asd; list_for_each_entry(asd, ¬ifier->waiting, list) { @@ -156,7 +160,7 @@ v4l2_async_find_match(struct v4l2_async_notifier *notifier, } /* match cannot be NULL here */ - if (match(sd, asd)) + if (match(notifier, sd, asd)) return asd; }