[PATCH 4/9] serial: fsl_lpuart: Use common rs485 device tree parsing function
From: Uwe Kleine-König <hidden>
Date: 2017-06-21 10:21:25
Also in:
linux-devicetree, linux-serial
Subsystem:
the rest, tty layer and serial drivers · Maintainers:
Linus Torvalds, Greg Kroah-Hartman, Jiri Slaby
From: Sascha Hauer <s.hauer@pengutronix.de> We just got a common helper for parsing the rs485 specific device tree properties. Use it and drop the open coded parser. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Signed-off-by: Uwe Kleine-K?nig <redacted> --- drivers/tty/serial/fsl_lpuart.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/drivers/tty/serial/fsl_lpuart.c b/drivers/tty/serial/fsl_lpuart.c
index 15df1ba78095..7988a8a981d1 100644
--- a/drivers/tty/serial/fsl_lpuart.c
+++ b/drivers/tty/serial/fsl_lpuart.c@@ -2054,8 +2054,9 @@ static int lpuart_probe(struct platform_device *pdev) dev_info(sport->port.dev, "DMA rx channel request failed, " "operating without rx DMA\n"); - if (of_property_read_bool(np, "linux,rs485-enabled-at-boot-time")) { - sport->port.rs485.flags |= SER_RS485_ENABLED; + of_get_rs485_mode(np, &sport->port.rs485); + + if (sport->port.rs485.flags & SER_RS485_ENABLED) { sport->port.rs485.flags |= SER_RS485_RTS_ON_SEND; writeb(UARTMODEM_TXRTSE, sport->port.membase + UARTMODEM); }
--
2.11.0