On Sun, Aug 11, 2013 at 02:56:50PM +0100, Mark Jackson wrote: > This patch adds RS485 support to the OMAP serial driver, as > defined in:- > > Documentation/devicetree/bindings/serial/rs485.txt > > When a UART transmitter is connected to (eg) a RS485 driver, it is > necessary to turn the driver on/off as quickly as possible. This is > best achieved in the serial driver itself (rather than in userspace > where the latency can be quite large). > > This patch allows a GPIO pin to be defined (via DT) that controls > the enabling of the driver at the start of a message, and disables > the driver when the message has been completed. > > When RS485 is disabled, the RTS pin is set to on. > > Signed-off-by: Mark Jackson <mpfj@xxxxxxxxxxxxx> > --- > Changes in v2: > - Fix incorrect logic in serial_omap_config_rs485() > > drivers/tty/serial/omap-serial.c | 178 ++++++++++++++++++++++++++++++++++++++ > 1 file changed, 178 insertions(+) This doesn't apply to my tty-next branch: checking file drivers/tty/serial/omap-serial.c Hunk #1 FAILED at 40. Hunk #2 succeeded at 162 (offset 6 lines). Hunk #3 succeeded at 280 (offset 5 lines). Hunk #4 succeeded at 378 (offset 6 lines). Hunk #5 succeeded at 1312 (offset 8 lines). Hunk #6 succeeded at 1405 (offset 8 lines). Hunk #7 succeeded at 1528 (offset 10 lines). Hunk #8 FAILED at 1638. Hunk #9 succeeded at 1705 (offset 6 lines). 2 out of 9 hunks FAILED so I can't apply it, sorry. greg k-h -- To unsubscribe from this list: send the line "unsubscribe linux-serial" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
