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| author | Erwan Le Ray <erwan.leray@st.com> | 2020-05-20 15:39:32 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-07-01 15:19:39 +0200 |
| commit | 6fd9fffb6ff54fdb19b57ecb927fe15e99b0b24d (patch) | |
| tree | 8a5df6dae3feb9766a4b9a3b6c51c32418c1a739 /drivers/tty | |
| parent | b2cc2b5111db43b35b5de7252127bbc8d6806e34 (diff) | |
| download | linux-6fd9fffb6ff54fdb19b57ecb927fe15e99b0b24d.tar.bz2 | |
serial: stm32: Use generic DT binding for announcing RTS/CTS lines
Add support of generic DT binding for annoucing RTS/CTS lines. The initial
binding 'st,hw-flow-control' is not needed anymore since generic binding
is available, but is kept for backward compatibility.
Signed-off-by: Erwan Le Ray <erwan.leray@st.com>
Link: https://lore.kernel.org/r/20200520133932.30441-3-erwan.leray@st.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/tty')
| -rw-r--r-- | drivers/tty/serial/stm32-usart.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/tty/serial/stm32-usart.c b/drivers/tty/serial/stm32-usart.c index 8602ff357321..d1c5e536a167 100644 --- a/drivers/tty/serial/stm32-usart.c +++ b/drivers/tty/serial/stm32-usart.c @@ -1033,8 +1033,9 @@ static struct stm32_port *stm32_of_get_stm32_port(struct platform_device *pdev) if (WARN_ON(id >= STM32_MAX_PORTS)) return NULL; - stm32_ports[id].hw_flow_control = of_property_read_bool(np, - "st,hw-flow-ctrl"); + stm32_ports[id].hw_flow_control = + of_property_read_bool (np, "st,hw-flow-ctrl") /*deprecated*/ || + of_property_read_bool (np, "uart-has-rtscts"); stm32_ports[id].port.line = id; stm32_ports[id].cr1_irq = USART_CR1_RXNEIE; stm32_ports[id].cr3_irq = 0; |