RTS signal and RTS/CTS handshake handling had a few problems these
patches fix.
In addition, minor cleanups are made to the involved code.
Changelog:
v2:
* Appended: "Reviewed-by:" and "Tested-by:"
Sascha Hauer <s.hauer@xxxxxxxxxxxxxx>
* Removed "RFC" from header
v1:
* Fixed in "serial: imx: set_termios(): preserve RTS state"
-+ ucr2 = UCR2_SRST | UCR2_IRTS;
++ ucr2 |= UCR2_SRST | UCR2_IRTS;
as noticed by Lothar Waßmann <LW@xxxxxxxxxxxxxxxxxxx>
* Fixed in "serial: imx: set_termios(): preserve RTS state"
-+ ucr2 = old_ucr2 & (UCR2_TXEN | UCR2_RXEN | UCR2_ATEN | UCR2_CTSC);
++ ucr2 = old_ucr2 & (UCR2_TXEN | UCR2_RXEN | UCR2_ATEN | UCR2_CTS);
as the fix for the problem found by Sascha Hauer
<s.hauer@xxxxxxxxxxxxxx>
* Reordered:
serial: imx: set_termios(): preserve RTS state
serial: imx: set_termios(): do not enable autoRTS if RTS is unset
as the latter makes sense only provided the former is already applied.
Sergey Organov (7):
serial: imx: fix locking in set_termios()
serial: imx: set_termios(): factor-out 'ucr2' initial value
serial: imx: set_termios(): clarify RTS/CTS bits calculation
serial: imx: set_termios(): preserve RTS state
serial: imx: set_termios(): do not enable autoRTS if RTS is unset
serial: imx: set_mctrl(): correctly restore autoRTS state
serial: imx: get rid of imx_uart_rts_auto()
drivers/tty/serial/imx.c | 93 ++++++++++++++++++++++++------------------------
1 file changed, 47 insertions(+), 46 deletions(-)
--
2.10.0.1.g57b01a3
