Alex, On Wed, Sep 2, 2015 at 4:27 PM, Alexandru M Stan <amstan@xxxxxxxxxxxx> wrote: > The flow control lines from a user accessible UART are optional, > the user might not have anything connected to those pins. > In order to prevent random interrupts happening and noise affecting > the cts pin should be pulled up. > > Note that the default state for that pin on the rk3288 is pulled up, > so this patch merely restores them. > > This is similar to what we're already doing with the RX pin, > so it should be safe. At worst it might be a slightly higher power usage > (through ~50 kohms) when the cts is low. > > Suggested-by: Neil Hendin <nhendin@xxxxxxxxxxxx> > Signed-off-by: Alexandru M Stan <amstan@xxxxxxxxxxxx> > --- > Changes in v2: None Probably not entirely true. ;) > arch/arm/boot/dts/rk3288.dtsi | 8 ++++---- > 1 file changed, 4 insertions(+), 4 deletions(-) Looks good to me. Reviewed-by: Douglas Anderson <dianders@xxxxxxxxxxxx> -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
