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 <[email protected]>
> ---
> 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
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