mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-22 04:03:58 +08:00
f95aeb17f5
I cannot see a need to provide a DRM_ version of ARRAY_SIZE(), only used in a few places. I suspect its usage has been spread by copy & paste rather than anything else. Let's just remove it for plain ARRAY_SIZE(). Signed-off-by: Damien Lespiau <damien.lespiau@intel.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
70 lines
2.2 KiB
C
70 lines
2.2 KiB
C
/**
|
|
* \file mga_ioc32.c
|
|
*
|
|
* 32-bit ioctl compatibility routines for the MGA DRM.
|
|
*
|
|
* \author Dave Airlie <airlied@linux.ie> with code from patches by Egbert Eich
|
|
*
|
|
*
|
|
* Copyright (C) Paul Mackerras 2005
|
|
* Copyright (C) Egbert Eich 2003,2004
|
|
* Copyright (C) Dave Airlie 2005
|
|
* 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 AUTHOR 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/compat.h>
|
|
|
|
#include <drm/drmP.h>
|
|
|
|
#include "nouveau_ioctl.h"
|
|
|
|
/**
|
|
* Called whenever a 32-bit process running under a 64-bit kernel
|
|
* performs an ioctl on /dev/dri/card<n>.
|
|
*
|
|
* \param filp file pointer.
|
|
* \param cmd command.
|
|
* \param arg user argument.
|
|
* \return zero on success or negative number on failure.
|
|
*/
|
|
long nouveau_compat_ioctl(struct file *filp, unsigned int cmd,
|
|
unsigned long arg)
|
|
{
|
|
unsigned int nr = DRM_IOCTL_NR(cmd);
|
|
drm_ioctl_compat_t *fn = NULL;
|
|
int ret;
|
|
|
|
if (nr < DRM_COMMAND_BASE)
|
|
return drm_compat_ioctl(filp, cmd, arg);
|
|
|
|
#if 0
|
|
if (nr < DRM_COMMAND_BASE + ARRAY_SIZE(mga_compat_ioctls))
|
|
fn = nouveau_compat_ioctls[nr - DRM_COMMAND_BASE];
|
|
#endif
|
|
if (fn != NULL)
|
|
ret = (*fn)(filp, cmd, arg);
|
|
else
|
|
ret = nouveau_drm_ioctl(filp, cmd, arg);
|
|
|
|
return ret;
|
|
}
|