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drm: Add device registration documentation

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Describe how devices are registered using the drm_*_init() functions.
Adding this to docbook requires a largish set of changes to the comments
in drm_{pci,usb,platform}.c since they are doxygen-style rather than
proper kernel-doc and therefore mess with the docbook generation.

While at it, mark usage of drm_put_dev() as discouraged in favour of
calling drm_dev_unregister() and drm_dev_unref() directly.

Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Thierry Reding <treding@nvidia.com>
This commit is contained in:
Thierry Reding 2014-05-19 13:39:07 +02:00
parent ca8e2ad710
commit c6a1af8a16
5 changed files with 85 additions and 62 deletions
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15
drivers/gpu/drm/drm_platform.c
View file

@ -106,17 +106,16 @@ static struct drm_bus drm_platform_bus = {
};
/**
* Platform device initialization. Called direct from modules.
* drm_platform_init - Register a platform device with the DRM subsystem
* @driver: DRM device driver
* @platform_device: platform device to register
*
* \return zero on success or a negative number on failure.
* 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.
*
* Initializes a drm_device structures,registering the
* stubs
*
* Expands the \c DRIVER_PREINIT and \c DRIVER_POST_INIT macros before and
* after the initialization for driver customization.
* 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");