From patchwork Wed Sep 12 21:29:38 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sakari Ailus X-Patchwork-Id: 10598409 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id E5ED014F9 for ; Wed, 12 Sep 2018 21:31:18 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id D5A752ACA2 for ; Wed, 12 Sep 2018 21:31:18 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id CA1412ACAF; Wed, 12 Sep 2018 21:31:18 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.2 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 80BD12ACA2 for ; Wed, 12 Sep 2018 21:31:18 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id E95866E5C8; Wed, 12 Sep 2018 21:30:11 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from hillosipuli.retiisi.org.uk (hillosipuli.retiisi.org.uk [IPv6:2001:1bc8:1a6:d3d5::81:2]) by gabe.freedesktop.org (Postfix) with ESMTPS id 3D4DA6E4F3 for ; Wed, 12 Sep 2018 21:29:51 +0000 (UTC) Received: from lanttu.localdomain (lanttu-e.localdomain [192.168.1.64]) by hillosipuli.retiisi.org.uk (Postfix) with ESMTP id 4250F634CA1; Thu, 13 Sep 2018 00:29:44 +0300 (EEST) From: Sakari Ailus To: linux-media@vger.kernel.org Subject: [PATCH v3 19/23] v4l: fwnode: Print bus type Date: Thu, 13 Sep 2018 00:29:38 +0300 Message-Id: <20180912212942.19641-20-sakari.ailus@linux.intel.com> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20180912212942.19641-1-sakari.ailus@linux.intel.com> References: <20180912212942.19641-1-sakari.ailus@linux.intel.com> X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, jacopo@jmondi.org, dri-devel@lists.freedesktop.org, slongerbeam@gmail.com, niklas.soderlund@ragnatech.se MIME-Version: 1.0 Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" X-Virus-Scanned: ClamAV using ClamSMTP Print bus type either as set by the driver or as parsed from the bus-type property, as well as the guessed V4L2 media bus type. Signed-off-by: Sakari Ailus Tested-by: Steve Longerbeam --- drivers/media/v4l2-core/v4l2-fwnode.c | 38 +++++++++++++++++++++++++++++++++++ 1 file changed, 38 insertions(+) diff --git a/drivers/media/v4l2-core/v4l2-fwnode.c b/drivers/media/v4l2-core/v4l2-fwnode.c index 4b588418074a..48fb90660c6b 100644 --- a/drivers/media/v4l2-core/v4l2-fwnode.c +++ b/drivers/media/v4l2-core/v4l2-fwnode.c @@ -99,6 +99,36 @@ v4l2_fwnode_bus_type_to_mbus(enum v4l2_fwnode_bus_type type) return conv ? conv->mbus_type : V4L2_MBUS_UNKNOWN; } +static const char * +v4l2_fwnode_bus_type_to_string(enum v4l2_fwnode_bus_type type) +{ + const struct v4l2_fwnode_bus_conv *conv = + get_v4l2_fwnode_bus_conv_by_fwnode_bus(type); + + return conv ? conv->name : "not found"; +} + +static const struct v4l2_fwnode_bus_conv * +get_v4l2_fwnode_bus_conv_by_mbus(enum v4l2_mbus_type type) +{ + unsigned int i; + + for (i = 0; i < ARRAY_SIZE(busses); i++) + if (busses[i].mbus_type == type) + return &busses[i]; + + return NULL; +} + +static const char * +v4l2_fwnode_mbus_type_to_string(enum v4l2_mbus_type type) +{ + const struct v4l2_fwnode_bus_conv *conv = + get_v4l2_fwnode_bus_conv_by_mbus(type); + + return conv ? conv->name : "not found"; +} + static int v4l2_fwnode_endpoint_parse_csi2_bus(struct fwnode_handle *fwnode, struct v4l2_fwnode_endpoint *vep, enum v4l2_mbus_type bus_type) @@ -398,6 +428,10 @@ static int __v4l2_fwnode_endpoint_parse(struct fwnode_handle *fwnode, memset(&vep->base, 0, sizeof(vep->base)); fwnode_property_read_u32(fwnode, "bus-type", &bus_type); + pr_debug("fwnode video bus type %s (%u), mbus type %s (%u)\n", + v4l2_fwnode_bus_type_to_string(bus_type), bus_type, + v4l2_fwnode_mbus_type_to_string(vep->bus_type), + vep->bus_type); mbus_type = v4l2_fwnode_bus_type_to_mbus(bus_type); @@ -412,6 +446,10 @@ static int __v4l2_fwnode_endpoint_parse(struct fwnode_handle *fwnode, v4l2_fwnode_endpoint_parse_parallel_bus( fwnode, vep, V4L2_MBUS_UNKNOWN); + pr_debug("assuming media bus type %s (%u)\n", + v4l2_fwnode_mbus_type_to_string(vep->bus_type), + vep->bus_type); + break; case V4L2_MBUS_CCP2: case V4L2_MBUS_CSI1: