From 6fd9fffb6ff54fdb19b57ecb927fe15e99b0b24d Mon Sep 17 00:00:00 2001 From: Erwan Le Ray Date: Wed, 20 May 2020 15:39:32 +0200 Subject: [PATCH] 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 Link: https://lore.kernel.org/r/20200520133932.30441-3-erwan.leray@st.com Signed-off-by: Greg Kroah-Hartman --- drivers/tty/serial/stm32-usart.c | 5 +++-- 1 file 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;