A-Team_Digital_Solutions/android_kernel_motorola_sm6375
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serial: omap: fix rs485 probe on defered pinctrl

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If the gpio is not yet available we better also
defer the probing in the rs485 case.

Signed-off-by: Michael Grzeschik <[email protected]>
Signed-off-by: Uwe Kleine-König <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
This commit is contained in:
Michael Grzeschik 2014-02-13 10:52:03 +01:00 • committed by Greg Kroah-Hartman
commit a64c1a1c75
1 changed files with 4 additions and 1 deletions
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5
drivers/tty/serial/omap-serial.c
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@ -1601,8 +1601,11 @@ static int serial_omap_probe_rs485(struct uart_omap_port *up,
flags & SER_RS485_RTS_AFTER_SEND);
if (ret < 0)
return ret;
} else
} else if (up->rts_gpio == -EPROBE_DEFER) {
return -EPROBE_DEFER;
} else {
up->rts_gpio = -EINVAL;
}
if (of_property_read_u32_array(np, "rs485-rts-delay",
rs485_delay, 2) == 0) {