From patchwork Mon Apr 6 22:57:32 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sakari Ailus X-Patchwork-Id: 6166261 Return-Path: X-Original-To: patchwork-linux-media@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 837BF9F2EC for ; Mon, 6 Apr 2015 22:59:21 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id A2338202F8 for ; Mon, 6 Apr 2015 22:59:20 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id B83B5202EC for ; Mon, 6 Apr 2015 22:59:19 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752814AbbDFW7L (ORCPT ); Mon, 6 Apr 2015 18:59:11 -0400 Received: from nblzone-211-213.nblnetworks.fi ([83.145.211.213]:37706 "EHLO hillosipuli.retiisi.org.uk" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1752809AbbDFW7E (ORCPT ); Mon, 6 Apr 2015 18:59:04 -0400 Received: from lanttu.localdomain (lanttu.localdomain [192.168.5.64]) by hillosipuli.retiisi.org.uk (Postfix) with ESMTP id 02CA1600A2; Tue, 7 Apr 2015 01:59:00 +0300 (EEST) From: Sakari Ailus To: linux-media@vger.kernel.org Cc: g.liakhovetski@gmx.de, laurent.pinchart@ideasonboard.com, s.nawrocki@samsung.com Subject: [PATCH v3 4/4] smiapp: Use v4l2_of_alloc_parse_endpoint() Date: Tue, 7 Apr 2015 01:57:32 +0300 Message-Id: <1428361053-20411-5-git-send-email-sakari.ailus@iki.fi> X-Mailer: git-send-email 1.7.10.4 In-Reply-To: <1428361053-20411-1-git-send-email-sakari.ailus@iki.fi> References: <1428361053-20411-1-git-send-email-sakari.ailus@iki.fi> Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, T_RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Instead of parsing the link-frequencies property in the driver, let v4l2_of_alloc_parse_endpoint() do it. Signed-off-by: Sakari Ailus Acked-by: Laurent Pinchart --- drivers/media/i2c/smiapp/smiapp-core.c | 40 ++++++++++++++++---------------- 1 file changed, 20 insertions(+), 20 deletions(-) diff --git a/drivers/media/i2c/smiapp/smiapp-core.c b/drivers/media/i2c/smiapp/smiapp-core.c index 557f25d..4a2e8d3 100644 --- a/drivers/media/i2c/smiapp/smiapp-core.c +++ b/drivers/media/i2c/smiapp/smiapp-core.c @@ -2975,9 +2975,9 @@ static int smiapp_resume(struct device *dev) static struct smiapp_platform_data *smiapp_get_pdata(struct device *dev) { struct smiapp_platform_data *pdata; - struct v4l2_of_endpoint bus_cfg; + struct v4l2_of_endpoint *bus_cfg; struct device_node *ep; - uint32_t asize; + int i; int rval; if (!dev->of_node) @@ -2987,13 +2987,17 @@ static struct smiapp_platform_data *smiapp_get_pdata(struct device *dev) if (!ep) return NULL; + bus_cfg = v4l2_of_alloc_parse_endpoint(ep); + if (IS_ERR(bus_cfg)) { + rval = PTR_ERR(bus_cfg); + goto out_err; + } + pdata = devm_kzalloc(dev, sizeof(*pdata), GFP_KERNEL); if (!pdata) goto out_err; - v4l2_of_parse_endpoint(ep, &bus_cfg); - - switch (bus_cfg.bus_type) { + switch (bus_cfg->bus_type) { case V4L2_MBUS_CSI2: pdata->csi_signalling_mode = SMIAPP_CSI_SIGNALLING_MODE_CSI2; break; @@ -3002,7 +3006,7 @@ static struct smiapp_platform_data *smiapp_get_pdata(struct device *dev) goto out_err; } - pdata->lanes = bus_cfg.bus.mipi_csi2.num_data_lanes; + pdata->lanes = bus_cfg->bus.mipi_csi2.num_data_lanes; dev_dbg(dev, "lanes %u\n", pdata->lanes); /* xshutdown GPIO is optional */ @@ -3022,34 +3026,30 @@ static struct smiapp_platform_data *smiapp_get_pdata(struct device *dev) dev_dbg(dev, "reset %d, nvm %d, clk %d, csi %d\n", pdata->xshutdown, pdata->nvm_size, pdata->ext_clk, pdata->csi_signalling_mode); - rval = of_get_property(ep, "link-frequencies", &asize) ? 0 : -ENOENT; - if (rval) { - dev_warn(dev, "can't get link-frequencies array size\n"); + if (!bus_cfg->nr_of_link_frequencies) { + dev_warn(dev, "no link frequencies defined\n"); goto out_err; } - pdata->op_sys_clock = devm_kzalloc(dev, asize, GFP_KERNEL); + pdata->op_sys_clock = devm_kcalloc( + dev, bus_cfg->nr_of_link_frequencies + 1 /* guardian */, + sizeof(*pdata->op_sys_clock), GFP_KERNEL); if (!pdata->op_sys_clock) { rval = -ENOMEM; goto out_err; } - asize /= sizeof(*pdata->op_sys_clock); - rval = of_property_read_u64_array( - ep, "link-frequencies", pdata->op_sys_clock, asize); - if (rval) { - dev_warn(dev, "can't get link-frequencies\n"); - goto out_err; + for (i = 0; i < bus_cfg->nr_of_link_frequencies; i++) { + pdata->op_sys_clock[i] = bus_cfg->link_frequencies[i]; + dev_dbg(dev, "freq %d: %lld\n", i, pdata->op_sys_clock[i]); } - for (; asize > 0; asize--) - dev_dbg(dev, "freq %d: %lld\n", asize - 1, - pdata->op_sys_clock[asize - 1]); - + v4l2_of_free_endpoint(bus_cfg); of_node_put(ep); return pdata; out_err: + v4l2_of_free_endpoint(bus_cfg); of_node_put(ep); return NULL; }