On Wed, Dec 22, 2021 at 10:36:26PM +1300, Paulo Miguel Almeida wrote: > Checkpatch reports: CHECK: struct mutex definition without comment. > Fix this by documenting what rx_mutex struct is used for in pi433 driver. > > Signed-off-by: Paulo Miguel Almeida <paulo.miguel.almeida.rodenas@xxxxxxxxx> > --- > drivers/staging/pi433/pi433_if.c | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/drivers/staging/pi433/pi433_if.c b/drivers/staging/pi433/pi433_if.c > index 29bd37669059..aa0ecb3788c6 100644 > --- a/drivers/staging/pi433/pi433_if.c > +++ b/drivers/staging/pi433/pi433_if.c > @@ -92,6 +92,7 @@ struct pi433_device { > u32 rx_bytes_to_drop; > u32 rx_bytes_dropped; > unsigned int rx_position; > + /* rx read and config operations can only be served one at the time */ What exactly does this mean? What is this protecting? This comment doesn't seem to be explaining much :( thanks, greg k-h