From mboxrd@z Thu Jan 1 00:00:00 1970 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 05E81CE79CF for ; Wed, 20 Sep 2023 12:14:14 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235323AbjITMOR (ORCPT ); Wed, 20 Sep 2023 08:14:17 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52298 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235534AbjITMOR (ORCPT ); Wed, 20 Sep 2023 08:14:17 -0400 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7A8C712D for ; Wed, 20 Sep 2023 05:14:05 -0700 (PDT) Received: by smtp.kernel.org (Postfix) with ESMTPSA id E0D19C433CA; Wed, 20 Sep 2023 12:14:04 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1695212045; bh=xqY5PIW+NikDi3FYczTKvqHA+0YBXcU0OTnTKXtpFs0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=ob79P9HXaIXSWHfJzSSmP9oDLc2Sha5nojGUPd+eFW7tsnbN9J/HkKVkvVzgp1m6d HwEIFw7dvlxxqZWdDAeB1swpSNxCOQxE7oS8eRF+3oLXq5G3v6OK7WzcICUhWtS/w4 8VLxH4bnXcz6tmNXD0jvrt5y4VZ2vy6nKHg8mVbA= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Marco Felsch , Hans Verkuil , Mauro Carvalho Chehab , Sasha Levin Subject: [PATCH 4.19 131/273] media: v4l2-fwnode: simplify v4l2_fwnode_parse_link Date: Wed, 20 Sep 2023 13:29:31 +0200 Message-ID: <20230920112850.563551395@linuxfoundation.org> X-Mailer: git-send-email 2.42.0 In-Reply-To: <20230920112846.440597133@linuxfoundation.org> References: <20230920112846.440597133@linuxfoundation.org> User-Agent: quilt/0.67 X-stable: review X-Patchwork-Hint: ignore MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org 4.19-stable review patch. If anyone has any objections, please let me know. ------------------ From: Marco Felsch [ Upstream commit 507a0ba93aa1cf2837d2abc4ab0cbad3c29409d3 ] This helper was introduced before those helpers where awailable. Convert it to cleanup the code and improbe readability. Signed-off-by: Marco Felsch Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab Stable-dep-of: d7b13edd4cb4 ("media: v4l2-core: Fix a potential resource leak in v4l2_fwnode_parse_link()") Signed-off-by: Sasha Levin --- drivers/media/v4l2-core/v4l2-fwnode.c | 25 +++++++++---------------- 1 file changed, 9 insertions(+), 16 deletions(-) diff --git a/drivers/media/v4l2-core/v4l2-fwnode.c b/drivers/media/v4l2-core/v4l2-fwnode.c index 158548443fa7c..14530fddbef47 100644 --- a/drivers/media/v4l2-core/v4l2-fwnode.c +++ b/drivers/media/v4l2-core/v4l2-fwnode.c @@ -279,33 +279,26 @@ struct v4l2_fwnode_endpoint *v4l2_fwnode_endpoint_alloc_parse( } EXPORT_SYMBOL_GPL(v4l2_fwnode_endpoint_alloc_parse); -int v4l2_fwnode_parse_link(struct fwnode_handle *__fwnode, +int v4l2_fwnode_parse_link(struct fwnode_handle *fwnode, struct v4l2_fwnode_link *link) { - const char *port_prop = "reg"; - struct fwnode_handle *fwnode; + struct fwnode_endpoint fwep; memset(link, 0, sizeof(*link)); - fwnode = fwnode_get_parent(__fwnode); - fwnode_property_read_u32(fwnode, port_prop, &link->local_port); - fwnode = fwnode_get_next_parent(fwnode); - if (is_of_node(fwnode) && of_node_name_eq(to_of_node(fwnode), "ports")) - fwnode = fwnode_get_next_parent(fwnode); - link->local_node = fwnode; + fwnode_graph_parse_endpoint(fwnode, &fwep); + link->local_port = fwep.port; + link->local_node = fwnode_graph_get_port_parent(fwnode); - fwnode = fwnode_graph_get_remote_endpoint(__fwnode); + fwnode = fwnode_graph_get_remote_endpoint(fwnode); if (!fwnode) { fwnode_handle_put(fwnode); return -ENOLINK; } - fwnode = fwnode_get_parent(fwnode); - fwnode_property_read_u32(fwnode, port_prop, &link->remote_port); - fwnode = fwnode_get_next_parent(fwnode); - if (is_of_node(fwnode) && of_node_name_eq(to_of_node(fwnode), "ports")) - fwnode = fwnode_get_next_parent(fwnode); - link->remote_node = fwnode; + fwnode_graph_parse_endpoint(fwnode, &fwep); + link->remote_port = fwep.port; + link->remote_node = fwnode_graph_get_port_parent(fwnode); return 0; } -- 2.40.1