[PATCH 2/2] drm: Remove unused drm_platform midlayer

[Daniel Vetter]

On Tue, Dec 13, 2016 at 09:34:06PM +0200, Laurent Pinchart wrote:
> Now that the last driver has been converted, the drm_platform midlayer
> is unused. Remove it.
> 
> Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas at ideasonboard.com>
> ---
>  drivers/gpu/drm/Makefile       |  2 +-
>  drivers/gpu/drm/drm_platform.c | 91 ------------------------------------------
>  include/drm/drmP.h             |  3 --

Absolutely awesome! Well except you forgot to double-check the kerneldoc
with make DOCBOOKS="" htmldocs and notice that you need to remove
drm_platform.c there too ;-)

With that fixed: Reviewed-by: Daniel Vetter <daniel.vetter at ffwll.ch> Feel
free to push to drm-misc.
-Daniel

>  3 files changed, 1 insertion(+), 95 deletions(-)
>  delete mode 100644 drivers/gpu/drm/drm_platform.c
> 
> diff --git a/drivers/gpu/drm/Makefile b/drivers/gpu/drm/Makefile
> index b9ae4280de9d..914b2d7b2c7d 100644
> --- a/drivers/gpu/drm/Makefile
> +++ b/drivers/gpu/drm/Makefile
> @@ -7,7 +7,7 @@ drm-y       :=	drm_auth.o drm_bufs.o drm_cache.o \
>  		drm_fops.o drm_gem.o drm_ioctl.o drm_irq.o \
>  		drm_lock.o drm_memory.o drm_drv.o drm_vm.o \
>  		drm_scatter.o drm_pci.o \
> -		drm_platform.o drm_sysfs.o drm_hashtab.o drm_mm.o \
> +		drm_sysfs.o drm_hashtab.o drm_mm.o \
>  		drm_crtc.o drm_fourcc.o drm_modes.o drm_edid.o \
>  		drm_info.o drm_encoder_slave.o \
>  		drm_trace_points.o drm_global.o drm_prime.o \
> diff --git a/drivers/gpu/drm/drm_platform.c b/drivers/gpu/drm/drm_platform.c
> deleted file mode 100644
> index 026269851ce9..000000000000
> --- a/drivers/gpu/drm/drm_platform.c
> +++ /dev/null
> @@ -1,91 +0,0 @@
> -/*
> - * 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 <linux/export.h>
> -#include <drm/drmP.h>
> -
> -/*
> - * 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;
> -
> -	DRM_INFO("Initialized %s %d.%d.%d %s on minor %d\n",
> -		 driver->name, driver->major, driver->minor, driver->patchlevel,
> -		 driver->date, dev->primary->index);
> -
> -	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 ->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);
> diff --git a/include/drm/drmP.h b/include/drm/drmP.h
> index a9cfd33c7b1a..0d6c1a13f533 100644
> --- a/include/drm/drmP.h
> +++ b/include/drm/drmP.h
> @@ -825,9 +825,6 @@ static inline int drm_pci_set_busid(struct drm_device *dev,
>  extern int drm_pcie_get_speed_cap_mask(struct drm_device *dev, u32 *speed_mask);
>  extern int drm_pcie_get_max_link_width(struct drm_device *dev, u32 *mlw);
>  
> -/* platform section */
> -extern int drm_platform_init(struct drm_driver *driver, struct platform_device *platform_device);
> -
>  /* returns true if currently okay to sleep */
>  static __inline__ bool drm_can_sleep(void)
>  {
> -- 
> Regards,
> 
> Laurent Pinchart
> 
> _______________________________________________
> dri-devel mailing list
> dri-devel at lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/dri-devel

-- 
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch