On Thu, Jul 29, 2021 at 12:07:17AM +0530, Ojaswin Mujoo wrote: > Add some details to the Kconfig definition of $CONFIG_VCHIQ_CDEV to help > make the motive behind it a bit more clear. > > Signed-off-by: Ojaswin Mujoo <ojaswin98@xxxxxxxxx> > --- > drivers/staging/vc04_services/Kconfig | 8 ++++++-- > 1 file changed, 6 insertions(+), 2 deletions(-) > > diff --git a/drivers/staging/vc04_services/Kconfig b/drivers/staging/vc04_services/Kconfig > index 2b70c37cdd09..cb02d8a4cb74 100644 > --- a/drivers/staging/vc04_services/Kconfig > +++ b/drivers/staging/vc04_services/Kconfig > @@ -25,8 +25,12 @@ config VCHIQ_CDEV > bool "VCHIQ Character Driver" > default y > help > - Enable the creation of VCHIQ character driver to help > - communicate with the Videocore platform. > + Enable the creation of VCHIQ character driver to help communicate > + with the VideoCore platform. The cdev exposes ioctls used by > + userspace libraries and testing tools to interact with VideoCore. > + This can be set to 'N' if the VideoCore communication is not needed > + by userspace but only by other kernel modules (like bcm2835-audio). > + If not sure, set this to 'Y'. I still do not understand if I need this driver or not, and I have this hardware! What functionality does this driver accomplish? What is VideoCore? thanks, greg k-h