From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.10]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id D6500208CB for ; Wed, 20 Dec 2023 10:37:20 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="CeYpKJnB" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1703068641; x=1734604641; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=0yFGytW7x2A6ZfvHtRLSwiouOMVOj1u806YhOcEW060=; b=CeYpKJnBtvCC/4lwr01527aIqQreY/LlkOpeYEuOym8y1Phae1GOLRX2 6nVtBKp5lSpTWIvua0W1NDxY160J8WxMotq31bXKPI8q6+tYDem3jUsyG aiDFPzBX0ayMA5XIKrJG+VfkcyL8GkBYktNHREu3NFC6gTU8PGD2K1NOW ISNZVZmp68n0qayZKDDSuprA8CtRy63eojw4y1xPSZ4Xdzjqql/wQYYkU p2C8htjd1Sl3H6aVZJmFPSV8dMhQSacBY8cCh3QLzRSv6U7sRxMmNUyEp kFUvvTcwgS55kVSkia+TlVXoUS9ZdlP2mOt1DeF9Y0IaXndej6gIwrcUx Q==; X-IronPort-AV: E=McAfee;i="6600,9927,10929"; a="9174304" X-IronPort-AV: E=Sophos;i="6.04,291,1695711600"; d="scan'208";a="9174304" Received: from orsmga007.jf.intel.com ([10.7.209.58]) by orvoesa102.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 20 Dec 2023 02:37:19 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10929"; a="769544229" X-IronPort-AV: E=Sophos;i="6.04,291,1695711600"; d="scan'208";a="769544229" Received: from turnipsi.fi.intel.com (HELO kekkonen.fi.intel.com) ([10.237.72.44]) by orsmga007-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 20 Dec 2023 02:37:17 -0800 Received: from svinhufvud.ger.corp.intel.com (localhost [IPv6:::1]) by kekkonen.fi.intel.com (Postfix) with ESMTP id 299721201D0; Wed, 20 Dec 2023 12:37:15 +0200 (EET) From: Sakari Ailus To: linux-media@vger.kernel.org Cc: laurent.pinchart@ideasonboard.com, Hans Verkuil Subject: [PATCH v2 02/29] Revert "media: utilize new cdev_device_add helper function" Date: Wed, 20 Dec 2023 12:36:46 +0200 Message-Id: <20231220103713.113386-3-sakari.ailus@linux.intel.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20231220103713.113386-1-sakari.ailus@linux.intel.com> References: <20231220103713.113386-1-sakari.ailus@linux.intel.com> Precedence: bulk X-Mailing-List: linux-media@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit This reverts commit 857313e51006ff51524579bcd8808b70f9a80812. This patch is temporarily reverted for internal rework. Signed-off-by: Sakari Ailus Acked-by: Hans Verkuil --- drivers/media/cec/core/cec-core.c | 16 ++++++++++++---- drivers/media/mc/mc-devnode.c | 21 ++++++++++++++++----- 2 files changed, 28 insertions(+), 9 deletions(-) diff --git a/drivers/media/cec/core/cec-core.c b/drivers/media/cec/core/cec-core.c index 7e153c5cad04..0645e68411fb 100644 --- a/drivers/media/cec/core/cec-core.c +++ b/drivers/media/cec/core/cec-core.c @@ -137,19 +137,26 @@ static int __must_check cec_devnode_register(struct cec_devnode *devnode, /* Part 2: Initialize and register the character device */ cdev_init(&devnode->cdev, &cec_devnode_fops); + devnode->cdev.kobj.parent = &devnode->dev.kobj; devnode->cdev.owner = owner; kobject_set_name(&devnode->cdev.kobj, "cec%d", devnode->minor); devnode->registered = true; - ret = cdev_device_add(&devnode->cdev, &devnode->dev); - if (ret) { + ret = cdev_add(&devnode->cdev, devnode->dev.devt, 1); + if (ret < 0) { + pr_err("%s: cdev_add failed\n", __func__); devnode->registered = false; - pr_err("%s: cdev_device_add failed\n", __func__); goto clr_bit; } + ret = device_add(&devnode->dev); + if (ret) + goto cdev_del; + return 0; +cdev_del: + cdev_del(&devnode->cdev); clr_bit: mutex_lock(&cec_devnode_lock); clear_bit(devnode->minor, cec_devnode_nums); @@ -195,7 +202,8 @@ static void cec_devnode_unregister(struct cec_adapter *adap) cec_adap_enable(adap); mutex_unlock(&adap->lock); - cdev_device_del(&devnode->cdev, &devnode->dev); + device_del(&devnode->dev); + cdev_del(&devnode->cdev); put_device(&devnode->dev); } diff --git a/drivers/media/mc/mc-devnode.c b/drivers/media/mc/mc-devnode.c index 0ab33214d243..740573552e5d 100644 --- a/drivers/media/mc/mc-devnode.c +++ b/drivers/media/mc/mc-devnode.c @@ -240,23 +240,33 @@ int __must_check media_devnode_register(struct media_device *mdev, dev_set_name(&devnode->dev, "media%d", devnode->minor); device_initialize(&devnode->dev); - /* Part 2: Initialize the character device */ + /* Part 2: Initialize and register the character device */ cdev_init(&devnode->cdev, &media_devnode_fops); devnode->cdev.owner = owner; + devnode->cdev.kobj.parent = &devnode->dev.kobj; kobject_set_name(&devnode->cdev.kobj, "media%d", devnode->minor); - /* Part 3: Add the media and char device */ - ret = cdev_device_add(&devnode->cdev, &devnode->dev); + ret = cdev_add(&devnode->cdev, MKDEV(MAJOR(media_dev_t), + devnode->minor), 1); if (ret < 0) { - pr_err("%s: cdev_device_add failed\n", __func__); + pr_err("%s: cdev_add failed\n", __func__); goto cdev_add_error; } + /* Part 3: Add the media device */ + ret = device_add(&devnode->dev); + if (ret < 0) { + pr_err("%s: device_add failed\n", __func__); + goto device_add_error; + } + /* Part 4: Activate this minor. The char device can now be used. */ set_bit(MEDIA_FLAG_REGISTERED, &devnode->flags); return 0; +device_add_error: + cdev_del(&devnode->cdev); cdev_add_error: mutex_lock(&media_devnode_lock); clear_bit(devnode->minor, media_devnode_nums); @@ -276,9 +286,10 @@ void media_devnode_unregister(struct media_devnode *devnode) mutex_lock(&media_devnode_lock); clear_bit(MEDIA_FLAG_REGISTERED, &devnode->flags); /* Delete the cdev on this minor as well */ - cdev_device_del(&devnode->cdev, &devnode->dev); + cdev_del(&devnode->cdev); devnode->media_dev = NULL; mutex_unlock(&media_devnode_lock); + device_del(&devnode->dev); put_device(&devnode->dev); } -- 2.39.2