Re: [PATCH V3 04/12] misc: xilinx_sdfec: Add open, close and ioctl

[Greg KH]

On Sat, Apr 27, 2019 at 11:04:58PM +0100, Dragan Cvetic wrote:
> Add char device interface per DT node present and support
> file operations:
> - open(),
> - close(),
> - unlocked_ioctl(),
> - compat_ioctl().

Why do you need compat_ioctl() at all?  Any "new" driver should never
need it.  Just create your structures properly.

thanks,

greg k-h