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{ "id": 15842, "url": "https://patchwork.libcamera.org/api/patches/15842/?format=api", "web_url": "https://patchwork.libcamera.org/patch/15842/", "project": { "id": 1, "url": "https://patchwork.libcamera.org/api/projects/1/?format=api", "name": "libcamera", "link_name": "libcamera", "list_id": "libcamera_core", "list_email": "libcamera-devel@lists.libcamera.org", "web_url": "", "scm_url": "", "webscm_url": "" }, "msgid": "<20220510115147.19360-3-laurent.pinchart@ideasonboard.com>", "date": "2022-05-10T11:50:59", "name": "[libcamera-devel,02/50] staging: media: imx: imx7-media-csi: Split imx_media_dev from probe()", "commit_ref": null, "pull_url": null, "state": "not-applicable", "archived": false, "hash": "d1eb6b2e01a8b30f55ecdd2d157401885af05ff4", "submitter": { "id": 2, "url": "https://patchwork.libcamera.org/api/people/2/?format=api", "name": "Laurent Pinchart", "email": "laurent.pinchart@ideasonboard.com" }, "delegate": null, "mbox": "https://patchwork.libcamera.org/patch/15842/mbox/", "series": [ { "id": 3106, "url": "https://patchwork.libcamera.org/api/series/3106/?format=api", "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=3106", "date": "2022-05-10T11:50:57", "name": "staging: media: imx: Prepare destaging of imx7-media-csi", "version": 1, "mbox": "https://patchwork.libcamera.org/series/3106/mbox/" } ], "comments": "https://patchwork.libcamera.org/api/patches/15842/comments/", "check": "pending", "checks": "https://patchwork.libcamera.org/api/patches/15842/checks/", "tags": {}, "headers": { "Return-Path": "<libcamera-devel-bounces@lists.libcamera.org>", "X-Original-To": "parsemail@patchwork.libcamera.org", "Delivered-To": "parsemail@patchwork.libcamera.org", "Received": [ "from lancelot.ideasonboard.com (lancelot.ideasonboard.com\n\t[92.243.16.209])\n\tby patchwork.libcamera.org (Postfix) with ESMTPS id 8EDF9C326C\n\tfor <parsemail@patchwork.libcamera.org>;\n\tTue, 10 May 2022 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t=1652183521;\n\tbh=biy0GTT1QoP72aKYu5WMI/a8pkSOFL+DXgOcxXmEqYk=;\n\th=To:Date:In-Reply-To:References:Subject:List-Id:List-Unsubscribe:\n\tList-Archive:List-Post:List-Help:List-Subscribe:From:Reply-To:Cc:\n\tFrom;\n\tb=VY+k/Q/jnDhzxsIfztw2kBhVowzRYa4xGxQJwYpenByxin0jPT5GnkP7IOVAgv44x\n\th0euTW46m9BAvLZSRlfvrzIM0cDDZz9DMoZN92wDc7waznIjTzErdfpP9hCvPmlZDt\n\tB5jVmC+ZHoUd2X8uZRsPHxGCZ0zXefUGOkbCUZA3vjnnTaNvfcPwihnOWMlTtf/i61\n\tCSfc7AVNcpp7FYfI9a/EOzXxy3kbrzK3ufUGpFc7FRn2Pzvs9F8HhYtPgPtr9QvlGg\n\tHE8+8vc/nBm/6Ek3C0Mm3D+cjxLIZeHN9RD1O42MBBdV8t4guJ+Gxw5vaLdaDdfUE1\n\t592uwBnWMGecA==", "v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com;\n\ts=mail; t=1652183518;\n\tbh=biy0GTT1QoP72aKYu5WMI/a8pkSOFL+DXgOcxXmEqYk=;\n\th=From:To:Cc:Subject:Date:In-Reply-To:References:From;\n\tb=OFIx9VtbfZpvK4FYMar2dLCOnuZ3X+X/6aqhonL4sDKXhr7sfbwQwC1p75ugYV7R8\n\t9YDA7n0GXLHgkWtUckcGO2Cq1Oh+W/FmZl7l//DcsCHdLJg2Tjlz3Vs5OtrNOLaCqA\n\t0dllezY6TwqMZfVZjY6maCTIaWmKD+gB13nFV5RI=" ], "Authentication-Results": "lancelot.ideasonboard.com; dkim=pass (1024-bit key; \n\tunprotected) header.d=ideasonboard.com\n\theader.i=@ideasonboard.com\n\theader.b=\"OFIx9Vtb\"; dkim-atps=neutral", "To": "libcamera-devel@lists.libcamera.org", "Date": "Tue, 10 May 2022 14:50:59 +0300", "Message-Id": "<20220510115147.19360-3-laurent.pinchart@ideasonboard.com>", "X-Mailer": "git-send-email 2.35.1", "In-Reply-To": "<20220510115147.19360-1-laurent.pinchart@ideasonboard.com>", "References": "<20220510115147.19360-1-laurent.pinchart@ideasonboard.com>", "MIME-Version": "1.0", "Content-Transfer-Encoding": "8bit", "Subject": "[libcamera-devel] [PATCH 02/50] staging: media: imx:\n\timx7-media-csi: Split imx_media_dev from probe()", "X-BeenThere": "libcamera-devel@lists.libcamera.org", "X-Mailman-Version": "2.1.29", "Precedence": "list", "List-Id": "<libcamera-devel.lists.libcamera.org>", "List-Unsubscribe": "<https://lists.libcamera.org/options/libcamera-devel>,\n\t<mailto:libcamera-devel-request@lists.libcamera.org?subject=unsubscribe>", "List-Archive": "<https://lists.libcamera.org/pipermail/libcamera-devel/>", "List-Post": "<mailto:libcamera-devel@lists.libcamera.org>", "List-Help": "<mailto:libcamera-devel-request@lists.libcamera.org?subject=help>", "List-Subscribe": "<https://lists.libcamera.org/listinfo/libcamera-devel>,\n\t<mailto:libcamera-devel-request@lists.libcamera.org?subject=subscribe>", "From": "Laurent Pinchart via libcamera-devel\n\t<libcamera-devel@lists.libcamera.org>", "Reply-To": "Laurent Pinchart <laurent.pinchart@ideasonboard.com>", "Cc": "Martin Kepplinger <martin.kepplinger@puri.sm>, kernel@pengutronix.de,\n\tDorota Czaplejewicz <dorota.czaplejewicz@puri.sm>,\n\tAlexander Stein <alexander.stein@ew.tq-group.com>,\n\tRui Miguel Silva <rmfrfs@gmail.com>,\n\tPhilipp Zabel <p.zabel@pengutronix.de>, \n\tSteve Longerbeam <slongerbeam@gmail.com>", "Errors-To": "libcamera-devel-bounces@lists.libcamera.org", "Sender": "\"libcamera-devel\" <libcamera-devel-bounces@lists.libcamera.org>" }, "content": "Prepare for the decoupling of the imx7-media-csi driver from the\nIPUv3-based drivers by moving the imx_media_dev handling from probe()\nfunction to separate functions.\n\nSigned-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>\n---\n drivers/staging/media/imx/imx7-media-csi.c | 71 +++++++++++++---------\n 1 file changed, 42 insertions(+), 29 deletions(-)", "diff": "diff --git a/drivers/staging/media/imx/imx7-media-csi.c b/drivers/staging/media/imx/imx7-media-csi.c\nindex 893620e8fc03..d7c65b8bb3c9 100644\n--- a/drivers/staging/media/imx/imx7-media-csi.c\n+++ b/drivers/staging/media/imx/imx7-media-csi.c\n@@ -1175,11 +1175,45 @@ static int imx7_csi_async_register(struct imx7_csi *csi)\n \treturn v4l2_async_register_subdev(&csi->sd);\n }\n \n+static void imx7_csi_media_cleanup(struct imx7_csi *csi)\n+{\n+\tstruct imx_media_dev *imxmd = csi->imxmd;\n+\n+\tv4l2_device_unregister(&imxmd->v4l2_dev);\n+\tmedia_device_unregister(&imxmd->md);\n+\tmedia_device_cleanup(&imxmd->md);\n+}\n+\n+static int imx7_csi_media_init(struct imx7_csi *csi)\n+{\n+\tstruct imx_media_dev *imxmd;\n+\tint ret;\n+\n+\t/* add media device */\n+\timxmd = imx_media_dev_init(csi->dev, NULL);\n+\tif (IS_ERR(imxmd))\n+\t\treturn PTR_ERR(imxmd);\n+\n+\tret = imx_media_of_add_csi(imxmd, csi->dev->of_node);\n+\tif (ret < 0 && ret != -ENODEV && ret != -EEXIST) {\n+\t\timx7_csi_media_cleanup(csi);\n+\t\treturn ret;\n+\t}\n+\n+\tret = imx_media_dev_notifier_register(imxmd, NULL);\n+\tif (ret < 0) {\n+\t\timx7_csi_media_cleanup(csi);\n+\t\treturn ret;\n+\t}\n+\n+\tcsi->imxmd = imxmd;\n+\n+\treturn 0;\n+}\n+\n static int imx7_csi_probe(struct platform_device *pdev)\n {\n \tstruct device *dev = &pdev->dev;\n-\tstruct device_node *node = dev->of_node;\n-\tstruct imx_media_dev *imxmd;\n \tstruct imx7_csi *csi;\n \tint i, ret;\n \n@@ -1193,6 +1227,7 @@ static int imx7_csi_probe(struct platform_device *pdev)\n \tspin_lock_init(&csi->irqlock);\n \tmutex_init(&csi->lock);\n \n+\t/* Acquire resources and install interrupt handler. */\n \tcsi->mclk = devm_clk_get(&pdev->dev, \"mclk\");\n \tif (IS_ERR(csi->mclk)) {\n \t\tret = PTR_ERR(csi->mclk);\n@@ -1214,7 +1249,6 @@ static int imx7_csi_probe(struct platform_device *pdev)\n \n \tcsi->model = (enum imx_csi_model)(uintptr_t)of_device_get_match_data(&pdev->dev);\n \n-\t/* install interrupt handler */\n \tret = devm_request_irq(dev, csi->irq, imx7_csi_irq_handler, 0, \"csi\",\n \t\t\t (void *)csi);\n \tif (ret < 0) {\n@@ -1222,22 +1256,11 @@ static int imx7_csi_probe(struct platform_device *pdev)\n \t\tgoto destroy_mutex;\n \t}\n \n-\t/* add media device */\n-\timxmd = imx_media_dev_init(dev, NULL);\n-\tif (IS_ERR(imxmd)) {\n-\t\tret = PTR_ERR(imxmd);\n+\t/* Initialize all the media device infrastructure. */\n+\tret = imx7_csi_media_init(csi);\n+\tif (ret)\n \t\tgoto destroy_mutex;\n-\t}\n \n-\tret = imx_media_of_add_csi(imxmd, node);\n-\tif (ret < 0 && ret != -ENODEV && ret != -EEXIST)\n-\t\tgoto cleanup;\n-\n-\tret = imx_media_dev_notifier_register(imxmd, NULL);\n-\tif (ret < 0)\n-\t\tgoto cleanup;\n-\n-\tcsi->imxmd = imxmd;\n \tv4l2_subdev_init(&csi->sd, &imx7_csi_subdev_ops);\n \tv4l2_set_subdevdata(&csi->sd, csi);\n \tcsi->sd.internal_ops = &imx7_csi_internal_ops;\n@@ -1269,11 +1292,7 @@ static int imx7_csi_probe(struct platform_device *pdev)\n \tv4l2_async_nf_cleanup(&csi->notifier);\n \n cleanup:\n-\tv4l2_async_nf_unregister(&imxmd->notifier);\n-\tv4l2_async_nf_cleanup(&imxmd->notifier);\n-\tv4l2_device_unregister(&imxmd->v4l2_dev);\n-\tmedia_device_unregister(&imxmd->md);\n-\tmedia_device_cleanup(&imxmd->md);\n+\timx7_csi_media_cleanup(csi);\n \n destroy_mutex:\n \tmutex_destroy(&csi->lock);\n@@ -1285,14 +1304,8 @@ static int imx7_csi_remove(struct platform_device *pdev)\n {\n \tstruct v4l2_subdev *sd = platform_get_drvdata(pdev);\n \tstruct imx7_csi *csi = v4l2_get_subdevdata(sd);\n-\tstruct imx_media_dev *imxmd = csi->imxmd;\n \n-\tv4l2_async_nf_unregister(&imxmd->notifier);\n-\tv4l2_async_nf_cleanup(&imxmd->notifier);\n-\n-\tmedia_device_unregister(&imxmd->md);\n-\tv4l2_device_unregister(&imxmd->v4l2_dev);\n-\tmedia_device_cleanup(&imxmd->md);\n+\timx7_csi_media_cleanup(csi);\n \n \tv4l2_async_nf_unregister(&csi->notifier);\n \tv4l2_async_nf_cleanup(&csi->notifier);\n", "prefixes": [ "libcamera-devel", "02/50" ] }