From patchwork Sun Jun 7 16:30:25 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andrey Konovalov X-Patchwork-Id: 11591801 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id D3489618 for ; Sun, 7 Jun 2020 16:33:26 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id ACB0E2067B for ; Sun, 7 Jun 2020 16:33:26 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="X9kuEHrB"; dkim=fail reason="signature verification failed" (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="JhsWDMxQ" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org ACB0E2067B Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linaro.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:MIME-Version:Cc:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id:References: In-Reply-To:Message-Id:Date:Subject:To:From:Reply-To:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Owner; bh=D2y1Np60bXQdt/twQMmjxntJPUTL54LS1FncJmfUI1c=; b=X9kuEHrBq5nRUcJyQj2zPkBO5W zOJbBM1fpg4qK+P6cdOU9FNbDcmnur4eHMkwM8ZcQ2vcTeoucs85LsrQZ3IGCpx4oP2TefGdUHPGT tXc9tepdJ/6gqPwwNHVvaPRpMTgvs2fttZA3ap1gjfeNfzPX2taQRS/LuHxxOrDLmSPSut3lMNyVG WyB12v40BX3++a11zAy5smtx3Wi0+6jfSYcItMl4kjwnp1g7bTLDdYhgfmIBpZ35+TkNYacM19VvI CO2DH2h/FA2aGmli9apS2MATkTnbA42f4nMvhviO4Iy1MLlEpSzyYs6D9p2ivvyR3W7n5w5ypeWmZ TyJgTw/A==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1jhyEb-0000oT-Gg; Sun, 07 Jun 2020 16:33:21 +0000 Received: from mail-lj1-x241.google.com ([2a00:1450:4864:20::241]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1jhyCU-0007D9-Ml for linux-arm-kernel@lists.infradead.org; Sun, 07 Jun 2020 16:31:13 +0000 Received: by mail-lj1-x241.google.com with SMTP id e4so17532533ljn.4 for ; Sun, 07 Jun 2020 09:31:10 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=dfWTJRln/wUkUezGYMWTWyc7bZ4R2M6yJEVL+/18MoU=; b=JhsWDMxQZ1/NcZTwhhTdjBGtnXX8mULfjvyeevpeheQhRviLws+dfkfdQQLxDVl7XV kQYSxeIEb3bwXQcd/xxgN7wftXcZhFuWXw1Y3/OSDttBaHgtpHvyJSBjkBxv/NvRCzZY OQzXZmRokwALTD+miJSukeoL7BDilVnyKmxe++oZBGg1yJ0sB3YJFTw4X8/2iPRCg2sp WvLs6+AEZkY6J2r9jYaLN7UlJuLa7EeEMYBmXiyu65TTLJ7elaktN3aXkEB/JbnBCCRv 5gZxFwmw4m1zYZke5l3KcAJ3+E8603d/UBkq2Wh+JRaGFvyVu4nVqHm/7crlEN3x2i43 d85A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=dfWTJRln/wUkUezGYMWTWyc7bZ4R2M6yJEVL+/18MoU=; b=gZc7ow2Jk5DS8Nn0byckWlV/NZX/OKE55hu+cd2C+fVBbXDQ9TA+zQZRMnLydbbCK9 wPlgMnJ/WM8lRt0Lqw8NwstpR/h3twGI7jopghLQ89JFlJU1kKczX1giYTrbv0zeSTXi vqaz64Pb7OlAgpZ1XmKCNq+UGlEeOGs3rTPny2fLXssh7IpquLFWH7FWjLGrTHq1CPel 1iJpRi36mTRbO81uKmuDqkwlkPM8DpFUrtqZ8kFjmC1AhAh16xXuCP3Us23Y4920pcIR eauiWpS9Ri5GFD9dT3RT2HSXSvWb8M1uZwRzysKunEQLguRArHl2wGsUq/u6j8uYfsdl o2IQ== X-Gm-Message-State: AOAM532h4gOLgdjwE1JgPb+f/Ybf85+fOpEh3IS/pP9R7NJXhChGJLeO /2HybAoQ4N79lT34h7gEm2hakQ== X-Google-Smtp-Source: ABdhPJy7RVt9fRqw1XY48kyWG2iJArPS9Cv81DF9HQ1xCb1mlZVeQ5/Ic48+BpzKbmrWsyCDcUCcpw== X-Received: by 2002:a2e:7303:: with SMTP id o3mr9826431ljc.100.1591547469072; Sun, 07 Jun 2020 09:31:09 -0700 (PDT) Received: from localhost.localdomain (37-144-159-139.broadband.corbina.ru. [37.144.159.139]) by smtp.googlemail.com with ESMTPSA id l7sm1726511ljj.55.2020.06.07.09.31.08 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 07 Jun 2020 09:31:08 -0700 (PDT) From: Andrey Konovalov To: mchehab@kernel.org, sakari.ailus@iki.fi, manivannan.sadhasivam@linaro.org Subject: [PATCH v4 10/10] media: i2c: imx290: set bus_type before calling v4l2_fwnode_endpoint_alloc_parse() Date: Sun, 7 Jun 2020 19:30:25 +0300 Message-Id: <20200607163025.8409-11-andrey.konovalov@linaro.org> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200607163025.8409-1-andrey.konovalov@linaro.org> References: <20200607163025.8409-1-andrey.konovalov@linaro.org> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200607_093110_917873_F1264231 X-CRM114-Status: GOOD ( 19.17 ) X-Spam-Score: -0.2 (/) X-Spam-Report: SpamAssassin version 3.4.4 on bombadil.infradead.org summary: Content analysis details: (-0.2 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at https://www.dnswl.org/, no trust [2a00:1450:4864:20:0:0:0:241 listed in] [list.dnswl.org] 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record -0.0 SPF_PASS SPF: sender matches SPF record -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, c.barrett@framos.com, linux-kernel@vger.kernel.org, a.brela@framos.com, peter.griffin@linaro.org, Andrey Konovalov , linux-arm-kernel@lists.infradead.org, linux-media@vger.kernel.org MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org The bus_type field of v4l2_fwnode_endpoint structure passed as the argument to v4l2_fwnode_endpoint_alloc_parse() function must be initiaized. Set it to V4L2_MBUS_CSI2_DPHY, and check for -ENXIO which is returned when the requested media bus type doesn't match the fwnode. Also remove v4l2_fwnode_endpoint field from struct imx290 as it is only needed in the probe function: use the local variable for this purpose. Signed-off-by: Andrey Konovalov --- drivers/media/i2c/imx290.c | 38 +++++++++++++++++++------------------- 1 file changed, 19 insertions(+), 19 deletions(-) diff --git a/drivers/media/i2c/imx290.c b/drivers/media/i2c/imx290.c index 02001c1b0dfc..9c97830164e9 100644 --- a/drivers/media/i2c/imx290.c +++ b/drivers/media/i2c/imx290.c @@ -70,7 +70,6 @@ struct imx290 { u8 bpp; struct v4l2_subdev sd; - struct v4l2_fwnode_endpoint ep; struct media_pad pad; struct v4l2_mbus_framefmt current_format; const struct imx290_mode *current_mode; @@ -914,17 +913,18 @@ static const struct media_entity_operations imx290_subdev_entity_ops = { * of MIPI data lanes are mentioned in the device tree, or the value of the * first missing frequency otherwise. */ -static s64 imx290_check_link_freqs(const struct imx290 *imx290) +static s64 imx290_check_link_freqs(const struct imx290 *imx290, + const struct v4l2_fwnode_endpoint *ep) { int i, j; const s64 *freqs = imx290_link_freqs_ptr(imx290); int freqs_count = imx290_link_freqs_num(imx290); for (i = 0; i < freqs_count; i++) { - for (j = 0; j < imx290->ep.nr_of_link_frequencies; j++) - if (freqs[i] == imx290->ep.link_frequencies[j]) + for (j = 0; j < ep->nr_of_link_frequencies; j++) + if (freqs[i] == ep->link_frequencies[j]) break; - if (j == imx290->ep.nr_of_link_frequencies) + if (j == ep->nr_of_link_frequencies) return freqs[i]; } return 0; @@ -934,6 +934,10 @@ static int imx290_probe(struct i2c_client *client) { struct device *dev = &client->dev; struct fwnode_handle *endpoint; + /* Only CSI2 is supported for now: */ + struct v4l2_fwnode_endpoint ep = { + .bus_type = V4L2_MBUS_CSI2_DPHY + }; struct imx290 *imx290; u32 xclk_freq; s64 fq; @@ -956,15 +960,18 @@ static int imx290_probe(struct i2c_client *client) return -EINVAL; } - ret = v4l2_fwnode_endpoint_alloc_parse(endpoint, &imx290->ep); + ret = v4l2_fwnode_endpoint_alloc_parse(endpoint, &ep); fwnode_handle_put(endpoint); - if (ret) { + if (ret == -ENXIO) { + dev_err(dev, "Unsupported bus type, should be CSI2\n"); + goto free_err; + } else if (ret) { dev_err(dev, "Parsing endpoint node failed\n"); goto free_err; } /* Get number of data lanes */ - imx290->nlanes = imx290->ep.bus.mipi_csi2.num_data_lanes; + imx290->nlanes = ep.bus.mipi_csi2.num_data_lanes; if (imx290->nlanes != 2 && imx290->nlanes != 4) { dev_err(dev, "Invalid data lanes: %d\n", imx290->nlanes); ret = -EINVAL; @@ -973,27 +980,20 @@ static int imx290_probe(struct i2c_client *client) dev_dbg(dev, "Using %u data lanes\n", imx290->nlanes); - if (!imx290->ep.nr_of_link_frequencies) { + if (!ep.nr_of_link_frequencies) { dev_err(dev, "link-frequency property not found in DT\n"); ret = -EINVAL; goto free_err; } /* Check that link frequences for all the modes are in device tree */ - fq = imx290_check_link_freqs(imx290); + fq = imx290_check_link_freqs(imx290, &ep); if (fq) { dev_err(dev, "Link frequency of %lld is not supported\n", fq); ret = -EINVAL; goto free_err; } - /* Only CSI2 is supported for now */ - if (imx290->ep.bus_type != V4L2_MBUS_CSI2_DPHY) { - dev_err(dev, "Unsupported bus type, should be CSI2\n"); - ret = -EINVAL; - goto free_err; - } - /* get system clock (xclk) */ imx290->xclk = devm_clk_get(dev, "xclk"); if (IS_ERR(imx290->xclk)) { @@ -1108,7 +1108,7 @@ static int imx290_probe(struct i2c_client *client) pm_runtime_enable(dev); pm_runtime_idle(dev); - v4l2_fwnode_endpoint_free(&imx290->ep); + v4l2_fwnode_endpoint_free(&ep); return 0; @@ -1118,7 +1118,7 @@ static int imx290_probe(struct i2c_client *client) v4l2_ctrl_handler_free(&imx290->ctrls); mutex_destroy(&imx290->lock); free_err: - v4l2_fwnode_endpoint_free(&imx290->ep); + v4l2_fwnode_endpoint_free(&ep); return ret; }