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 X-Spam-Level: X-Spam-Status: No, score=-9.9 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6CF82C433E0 for ; Sun, 24 May 2020 19:26:02 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 4A5F8208B3 for ; Sun, 24 May 2020 19:26:02 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="PQ6va+bB" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2388378AbgEXT0B (ORCPT ); Sun, 24 May 2020 15:26:01 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37606 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2388364AbgEXTZ7 (ORCPT ); Sun, 24 May 2020 15:25:59 -0400 Received: from mail-lj1-x242.google.com (mail-lj1-x242.google.com [IPv6:2a00:1450:4864:20::242]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 98EE7C08C5C0 for ; Sun, 24 May 2020 12:25:58 -0700 (PDT) Received: by mail-lj1-x242.google.com with SMTP id k5so18522293lji.11 for ; Sun, 24 May 2020 12:25:58 -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=gOEmyTIXLGf07K4H6sbyOUY42DeO+G/ARk34mfyH9Kc=; b=PQ6va+bBos8A51P/Wj2BBF99a+zevl/gbe2oENYX3N1gUZQyc+SEAF4KQmNBB8Zt/l K5OUnbR74VUvV8nH5Z+GlVFjwKIeGzd1J0hiUMFdkqM3R1O22CGCxzo365512pREm/qf X28f38wZULiPdFMf3318ypK07QQ275PpSiqUWzpKHKmLIlCjwSS2i9+opfMxaGn8Y0e7 bt6NDkScz+SyU+LxR/eWNCffvnRNGkW7gy7RDQSzK3ErA1yPI6ZoxmwCZ+G47Onr1LJl +wJzNRQZRGQ9Y4J62UeHaoWDEWiLUDx7Ob11nhwzE8NvaRKqSrM+EatW77eA2zlASbZo ywXA== 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=gOEmyTIXLGf07K4H6sbyOUY42DeO+G/ARk34mfyH9Kc=; b=cQwgYV0dpeY6H0vtVUEOFenMVsC3z1jMyQE4li1A1wXOcquGYE+xCn6C1JJlrlWSXx D/tfUzF+ugLB8+1xm99mGNUrE4vR/j+solVuURJI3bIRqkTlsy8rx1zq7JqGDjeStNDp r5gzSeDArFBtmVhA16b3bpSd7okvcytsLHCle1gVmZj9MyN+t9gSsVgInnukQYkQWRBj c1pmAPq8oBbI3tFqRvhgDmAurImjF+sZJeIJqQkfxw3zw5x/Ok2u0k6Ezy/BtI1QMK5y 8qXigp910Hi+QhsIj9rbDzo53JFoICqsxt/zsRvR/XJNCVaLpR8sZKSMgo72oeIbFuA5 5Skw== X-Gm-Message-State: AOAM5300yisXPVTDS94ngv18ahVFl1NnbmqYuQLQSOD4JgO7qVqsBAG7 0njq3aeM0p6nQmXfXRGkIOaIrBPI6p+6tw== X-Google-Smtp-Source: ABdhPJzTJjWtrQpvchNNsRDE9WSqRA6ghX1gFq3L/OgHr76p50AS89FmNt0BQKK9wQJuovOMHBKI+w== X-Received: by 2002:a2e:8e6c:: with SMTP id t12mr10024175ljk.376.1590348356964; Sun, 24 May 2020 12:25:56 -0700 (PDT) Received: from localhost.localdomain (37-144-159-139.broadband.corbina.ru. [37.144.159.139]) by smtp.googlemail.com with ESMTPSA id v10sm3878137lja.23.2020.05.24.12.25.55 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 24 May 2020 12:25:56 -0700 (PDT) From: Andrey Konovalov To: mchehab@kernel.org, sakari.ailus@iki.fi, manivannan.sadhasivam@linaro.org Cc: linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, c.barrett@framos.com, a.brela@framos.com, peter.griffin@linaro.org, Andrey Konovalov Subject: [PATCH v3 10/10] media: i2c: imx290: set bus_type before calling v4l2_fwnode_endpoint_alloc_parse() Date: Sun, 24 May 2020 22:25:05 +0300 Message-Id: <20200524192505.20682-11-andrey.konovalov@linaro.org> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200524192505.20682-1-andrey.konovalov@linaro.org> References: <20200524192505.20682-1-andrey.konovalov@linaro.org> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.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 | 27 +++++++++++++-------------- 1 file changed, 13 insertions(+), 14 deletions(-) diff --git a/drivers/media/i2c/imx290.c b/drivers/media/i2c/imx290.c index ee5c95cf64f3..05a3d897614e 100644 --- a/drivers/media/i2c/imx290.c +++ b/drivers/media/i2c/imx290.c @@ -74,7 +74,6 @@ 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; @@ -887,6 +886,10 @@ 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; int ret; @@ -908,15 +911,18 @@ 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; @@ -925,19 +931,12 @@ 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; } - /* 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)) { @@ -1063,7 +1062,7 @@ 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; @@ -1073,7 +1072,7 @@ 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; } -- 2.17.1 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 X-Spam-Level: X-Spam-Status: No, score=-9.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id E1DDBC433E0 for ; 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[37.144.159.139]) by smtp.googlemail.com with ESMTPSA id v10sm3878137lja.23.2020.05.24.12.25.55 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 24 May 2020 12:25:56 -0700 (PDT) From: Andrey Konovalov To: mchehab@kernel.org, sakari.ailus@iki.fi, manivannan.sadhasivam@linaro.org Subject: [PATCH v3 10/10] media: i2c: imx290: set bus_type before calling v4l2_fwnode_endpoint_alloc_parse() Date: Sun, 24 May 2020 22:25:05 +0300 Message-Id: <20200524192505.20682-11-andrey.konovalov@linaro.org> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200524192505.20682-1-andrey.konovalov@linaro.org> References: <20200524192505.20682-1-andrey.konovalov@linaro.org> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200524_122558_989539_965EC364 X-CRM114-Status: GOOD ( 16.89 ) 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 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.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 | 27 +++++++++++++-------------- 1 file changed, 13 insertions(+), 14 deletions(-) diff --git a/drivers/media/i2c/imx290.c b/drivers/media/i2c/imx290.c index ee5c95cf64f3..05a3d897614e 100644 --- a/drivers/media/i2c/imx290.c +++ b/drivers/media/i2c/imx290.c @@ -74,7 +74,6 @@ 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; @@ -887,6 +886,10 @@ 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; int ret; @@ -908,15 +911,18 @@ 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; @@ -925,19 +931,12 @@ 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; } - /* 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)) { @@ -1063,7 +1062,7 @@ 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; @@ -1073,7 +1072,7 @@ 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; } -- 2.17.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel