On 08/27/2015 09:06 AM, Hwang, Dongseong wrote: > On Thu, Aug 27, 2015 at 2:29 AM, Tiago Vignatti >> +#define DMA_BUF_BASE 'b' > > 'b' is occupied by vme and qat driver; > https://github.com/torvalds/linux/blob/master/Documentation/ioctl/ioctl-number.txt#L201
I believe this is alright, as noted in that txt file: "Because of the large number of drivers, many drivers share a partial letter with other drivers". > is it bad idea for drm.h to include these definition? > http://lxr.free-electrons.com/source/include/uapi/drm/drm.h#L684 this is not a drm code and other type of device drivers might want to use it as well. Tiago