/* * Derived from drm_pci.c * * Copyright 2003 José Fonseca. * Copyright 2003 Leif Delgass. * Copyright (c) 2009, Code Aurora Forum. * All Rights Reserved. * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice (including the next * paragraph) shall be included in all copies or substantial portions of the * Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include #include /* * Register. * * \param platdev - Platform device struture * \return zero on success or a negative number on failure. * * Attempt to gets inter module "drm" information. If we are first * then register the character device and inter module information. * Try and register, if we fail to register, backout previous work. */ static int drm_get_platform_dev(struct platform_device *platdev, struct drm_driver *driver) { struct drm_device *dev; int ret; DRM_DEBUG("\n"); dev = drm_dev_alloc(driver, &platdev->dev); if (IS_ERR(dev)) return PTR_ERR(dev); dev->platformdev = platdev; ret = drm_dev_register(dev, 0); if (ret) goto err_free; return 0; err_free: drm_dev_unref(dev); return ret; } /** * drm_platform_init - Register a platform device with the DRM subsystem * @driver: DRM device driver * @platform_device: platform device to register * * Registers the specified DRM device driver and platform device with the DRM * subsystem, initializing a drm_device structure and calling the driver's * .load() function. * * NOTE: This function is deprecated, please use drm_dev_alloc() and * drm_dev_register() instead and remove your &drm_driver.load callback. * * Return: 0 on success or a negative error code on failure. */ int drm_platform_init(struct drm_driver *driver, struct platform_device *platform_device) { DRM_DEBUG("\n"); return drm_get_platform_dev(platform_device, driver); } EXPORT_SYMBOL(drm_platform_init);