On 26/08/17 13:53, Mauro Carvalho Chehab wrote: > minor numbers use to range between 0 to 255, but that > was changed a long time ago. While it still applies when > CONFIG_VIDEO_FIXED_MINOR_RANGES, when the minor number is > dynamically allocated, this may not be true. In any case, > this is not relevant, as udev will take care of it. > > So, remove this useless misinformation. > > Signed-off-by: Mauro Carvalho Chehab <mchehab@xxxxxxxxxxxxxxxx> Acked-by: Hans Verkuil <hans.verkuil@xxxxxxxxx> > --- > Documentation/media/uapi/v4l/open.rst | 9 ++++----- > 1 file changed, 4 insertions(+), 5 deletions(-) > > diff --git a/Documentation/media/uapi/v4l/open.rst b/Documentation/media/uapi/v4l/open.rst > index fc0037091814..96ac972c1fa2 100644 > --- a/Documentation/media/uapi/v4l/open.rst > +++ b/Documentation/media/uapi/v4l/open.rst > @@ -19,11 +19,10 @@ helper functions and a common application interface specified in this > document. > > Each driver thus loaded registers one or more device nodes with major > -number 81 and a minor number between 0 and 255. Minor numbers are > -allocated dynamically unless the kernel is compiled with the kernel > -option CONFIG_VIDEO_FIXED_MINOR_RANGES. In that case minor numbers > -are allocated in ranges depending on the device node type (video, radio, > -etc.). > +number 81. Minor numbers are allocated dynamically unless the kernel > +is compiled with the kernel option CONFIG_VIDEO_FIXED_MINOR_RANGES. I wonder if we shouldn't remove this kernel option completely. Does it make any sense to keep holding on to this? Regards, Hans > +In that case minor numbers are allocated in ranges depending on the > +device node type. > > The existing V4L2 device node types are: > > -- To unsubscribe from this list: send the line "unsubscribe linux-doc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
