From patchwork Thu Jul 27 05:42:31 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Sakari Ailus X-Patchwork-Id: 13328840 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 5A611C001E0 for ; Thu, 27 Jul 2023 05:47:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232422AbjG0FrL (ORCPT ); Thu, 27 Jul 2023 01:47:11 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35128 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232418AbjG0Fqx (ORCPT ); Thu, 27 Jul 2023 01:46:53 -0400 Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B163630FE for ; Wed, 26 Jul 2023 22:46:10 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1690436770; x=1721972770; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=nDP2pWkFvqv209E19OSGvS70VbS3sJ3yXaA814k+3uU=; b=Uyu8UzpMXQ8e7Mc0/3p7DzOrozMAxRGUelTRNgCVF13MtwdObalgJmit 6NSIW78q+GCYXEwllBEcAgHeam2b7z28aj/FnKm4RHdfJlQM3fyCVUhku 7nEwrX2cn3DVJ+UAU7lmPMWbNXDMXvq4PdtnAEuYaR83dnnJu3K+dS+5P zf9S+Nd0I2xVw841GcM0UOSXY8hkn/iND/jmUTUb4+1sorlg2XXZvij3w KjjVG41LynvP11iHOBnLpOT3D5PxlKWEcm3e6UmCQOR3vmNQssFv6jThZ CxMPTwL+HdjaddOC7rG8TKLowS7QXnv7ByeglI/fhJJF1/41q+RhUlLhc g==; X-IronPort-AV: E=McAfee;i="6600,9927,10783"; a="399150509" X-IronPort-AV: E=Sophos;i="6.01,234,1684825200"; d="scan'208";a="399150509" Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by fmsmga101.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 26 Jul 2023 22:44:38 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10783"; a="840584042" X-IronPort-AV: E=Sophos;i="6.01,234,1684825200"; d="scan'208";a="840584042" Received: from turnipsi.fi.intel.com (HELO kekkonen.fi.intel.com) ([10.237.72.44]) by fmsmga002-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 26 Jul 2023 22:44:30 -0700 Received: from punajuuri.localdomain (punajuuri.localdomain [192.168.240.130]) by kekkonen.fi.intel.com (Postfix) with ESMTP id B4EB4120B86; Thu, 27 Jul 2023 08:44:18 +0300 (EEST) Received: from sailus by punajuuri.localdomain with local (Exim 4.96) (envelope-from ) id 1qOtmD-004xrH-33; Thu, 27 Jul 2023 08:43:05 +0300 From: Sakari Ailus To: linux-media@vger.kernel.org Cc: laurent.pinchart@ideasonboard.com, Philipp Zabel , hverkuil@xs4all.nl, Francesco Dolcini , aishwarya.kothari@toradex.com, Robert Foss , Todor Tomov , Hyun Kwon , bingbu.cao@intel.com, niklas.soderlund@ragnatech.se, Kieran Bingham , Benjamin Mugnier , Sylvain Petinot , Eugen Hristev , Nicolas Ferre , Maxime Ripard , Rui Miguel Silva , Fabio Estevam , Bryan O'Donoghue , Sylwester Nawrocki , Dafna Hirschfeld , Hugues Fruchet , Yong Deng , Paul Kocialkowski , "Lad, Prabhakar" , Benoit Parrot , Steve Longerbeam , Thierry Reding , Jonathan Hunter , Sowjanya Komatineni , Marco Felsch Subject: [PATCH v6 14/38] media: v4l: async: Make V4L2 async match information a struct Date: Thu, 27 Jul 2023 08:42:31 +0300 Message-Id: <20230727054255.1183255-15-sakari.ailus@linux.intel.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230727054255.1183255-1-sakari.ailus@linux.intel.com> References: <20230727054255.1183255-1-sakari.ailus@linux.intel.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org Make V4L2 async match information a struct, making it easier to use it elsewhere outside the scope of struct v4l2_async_subdev. Also remove an obsolete comment --- none of these fields are supposed to be touched by drivers. Signed-off-by: Sakari Ailus Tested-by: Philipp Zabel # imx6qp Tested-by: Niklas Söderlund # rcar + adv746x Reviewed-by: Laurent Pinchart Tested-by: Aishwarya Kothari # Apalis i.MX6Q with TC358743 Tested-by: Lad Prabhakar # Renesas RZ/G2L SMARC --- drivers/media/v4l2-core/v4l2-async.c | 18 ++++++------ include/media/v4l2-async.h | 41 ++++++++++++++++------------ 2 files changed, 32 insertions(+), 27 deletions(-) diff --git a/drivers/media/v4l2-core/v4l2-async.c b/drivers/media/v4l2-core/v4l2-async.c index 925ab5571cd4..5aa8ab83eb8d 100644 --- a/drivers/media/v4l2-core/v4l2-async.c +++ b/drivers/media/v4l2-core/v4l2-async.c @@ -212,7 +212,7 @@ v4l2_async_find_match(struct v4l2_async_notifier *notifier, list_for_each_entry(asd, ¬ifier->waiting, list) { /* bus_type has been verified valid before */ - switch (asd->match_type) { + switch (asd->match.type) { case V4L2_ASYNC_MATCH_I2C: match = match_i2c; break; @@ -237,10 +237,10 @@ v4l2_async_find_match(struct v4l2_async_notifier *notifier, static bool asd_equal(struct v4l2_async_subdev *asd_x, struct v4l2_async_subdev *asd_y) { - if (asd_x->match_type != asd_y->match_type) + if (asd_x->match.type != asd_y->match.type) return false; - switch (asd_x->match_type) { + switch (asd_x->match.type) { case V4L2_ASYNC_MATCH_I2C: return asd_x->match.i2c.adapter_id == asd_y->match.i2c.adapter_id && @@ -554,7 +554,7 @@ static int v4l2_async_nf_asd_valid(struct v4l2_async_notifier *notifier, { struct device *dev = notifier_dev(notifier); - switch (asd->match_type) { + switch (asd->match.type) { case V4L2_ASYNC_MATCH_I2C: case V4L2_ASYNC_MATCH_FWNODE: if (v4l2_async_nf_has_async_subdev(notifier, asd, skip_self)) { @@ -564,7 +564,7 @@ static int v4l2_async_nf_asd_valid(struct v4l2_async_notifier *notifier, break; default: dev_err(dev, "v4l2-async: Invalid match type %u on %p\n", - asd->match_type, asd); + asd->match.type, asd); return -EINVAL; } @@ -690,7 +690,7 @@ static void __v4l2_async_nf_cleanup(struct v4l2_async_notifier *notifier) return; list_for_each_entry_safe(asd, tmp, ¬ifier->asd_list, asd_list) { - switch (asd->match_type) { + switch (asd->match.type) { case V4L2_ASYNC_MATCH_FWNODE: fwnode_handle_put(asd->match.fwnode); break; @@ -745,7 +745,7 @@ __v4l2_async_nf_add_fwnode(struct v4l2_async_notifier *notifier, if (!asd) return ERR_PTR(-ENOMEM); - asd->match_type = V4L2_ASYNC_MATCH_FWNODE; + asd->match.type = V4L2_ASYNC_MATCH_FWNODE; asd->match.fwnode = fwnode_handle_get(fwnode); ret = __v4l2_async_nf_add_subdev(notifier, asd); @@ -792,7 +792,7 @@ __v4l2_async_nf_add_i2c(struct v4l2_async_notifier *notifier, int adapter_id, if (!asd) return ERR_PTR(-ENOMEM); - asd->match_type = V4L2_ASYNC_MATCH_I2C; + asd->match.type = V4L2_ASYNC_MATCH_I2C; asd->match.i2c.adapter_id = adapter_id; asd->match.i2c.address = address; @@ -905,7 +905,7 @@ EXPORT_SYMBOL(v4l2_async_unregister_subdev); static void print_waiting_subdev(struct seq_file *s, struct v4l2_async_subdev *asd) { - switch (asd->match_type) { + switch (asd->match.type) { case V4L2_ASYNC_MATCH_I2C: seq_printf(s, " [i2c] dev=%d-%04x\n", asd->match.i2c.adapter_id, asd->match.i2c.address); diff --git a/include/media/v4l2-async.h b/include/media/v4l2-async.h index 2c9baa3c9266..d347ef32f4ec 100644 --- a/include/media/v4l2-async.h +++ b/include/media/v4l2-async.h @@ -34,23 +34,37 @@ enum v4l2_async_match_type { }; /** - * struct v4l2_async_subdev - sub-device descriptor, as known to a bridge + * struct v4l2_async_match_desc - async sub-device match information * - * @match_type: type of match that will be used - * @match: union of per-bus type matching data sets - * @match.fwnode: - * pointer to &struct fwnode_handle to be matched. + * @type: type of match that will be used + * @fwnode: pointer to &struct fwnode_handle to be matched. * Used if @match_type is %V4L2_ASYNC_MATCH_FWNODE. - * @match.i2c: embedded struct with I2C parameters to be matched. + * @i2c: embedded struct with I2C parameters to be matched. * Both @match.i2c.adapter_id and @match.i2c.address * should be matched. * Used if @match_type is %V4L2_ASYNC_MATCH_I2C. - * @match.i2c.adapter_id: + * @i2c.adapter_id: * I2C adapter ID to be matched. * Used if @match_type is %V4L2_ASYNC_MATCH_I2C. - * @match.i2c.address: + * @i2c.address: * I2C address to be matched. * Used if @match_type is %V4L2_ASYNC_MATCH_I2C. + */ +struct v4l2_async_match_desc { + enum v4l2_async_match_type type; + union { + struct fwnode_handle *fwnode; + struct { + int adapter_id; + unsigned short address; + } i2c; + }; +}; + +/** + * struct v4l2_async_subdev - sub-device descriptor, as known to a bridge + * + * @match: struct of match type and per-bus type matching data sets * @asd_list: used to add struct v4l2_async_subdev objects to the * master notifier @asd_list * @list: used to link struct v4l2_async_subdev objects, waiting to be @@ -61,16 +75,7 @@ enum v4l2_async_match_type { * v4l2_async_subdev as its first member. */ struct v4l2_async_subdev { - enum v4l2_async_match_type match_type; - union { - struct fwnode_handle *fwnode; - struct { - int adapter_id; - unsigned short address; - } i2c; - } match; - - /* v4l2-async core private: not to be used by drivers */ + struct v4l2_async_match_desc match; struct list_head list; struct list_head asd_list; };