korg/linux
0
0
Fork 0
mirror of https://mirrors.bfsu.edu.cn/git/linux.git synced 2024-11-14 15:54:15 +08:00
Code Issues Packages Projects Releases Wiki Activity

dma-buf: add support for compat ioctl

Browse Source 
Add compat ioctl support to dma-buf. This lets one to use DMA_BUF_IOCTL_SYNC
ioctl from 32bit application on 64bit kernel. Data structures for both 32
and 64bit modes are same, so there is no need for additional translation
layer.

Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Sumit Semwal <sumit.semwal@linaro.org>
Link: http://patchwork.freedesktop.org/patch/msgid/1487683261-2655-1-git-send-email-m.szyprowski@samsung.com
This commit is contained in:
Marek Szyprowski 2017-02-21 14:21:01 +01:00 committed by Sumit Semwal
parent 31788ca803
commit 888022c047
1 changed files with 3 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
drivers/dma-buf/dma-buf.c
View File

@ -325,6 +325,9 @@ static const struct file_operations dma_buf_fops = {
.llseek = dma_buf_llseek,
.poll = dma_buf_poll,
.unlocked_ioctl = dma_buf_ioctl,
#ifdef CONFIG_COMPAT
.compat_ioctl = dma_buf_ioctl,
#endif
};
/*