On Sun, 03 Jul 2022 19:00:35 +0200, Lino Sanfilippo wrote: > From: Lino Sanfilippo <l.sanfilippo@xxxxxxxxxx> > > Currently the documentation claims that a maximum of 1000 msecs is allowed > for RTS delays. However nothing actually checks the values read from device > tree/ACPI and so it is possible to set much higher values. > > There is already a maximum of 100 ms enforced for RTS delays that are set > via the uart TIOCSRS485 ioctl. To be consistent with that use the same > limit for DT/ACPI values. > > Although this change is visible to userspace the risk of breaking anything > when reducing the max delays from 1000 to 100 ms should be very low, since > 100 ms is already a very high maximum for delays that are usually rather in > the usecs range. > > Signed-off-by: Lino Sanfilippo <l.sanfilippo@xxxxxxxxxx> > --- > Documentation/devicetree/bindings/serial/rs485.yaml | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > Acked-by: Rob Herring <robh@xxxxxxxxxx>
