Commit 6fd9fffb authored by Erwan Le Ray's avatar Erwan Le Ray Committed by Greg Kroah-Hartman
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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: default avatarErwan Le Ray <erwan.leray@st.com>
Link: https://lore.kernel.org/r/20200520133932.30441-3-erwan.leray@st.com


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent b2cc2b51

drivers/tty/serial/stm32-usart.c

+3 −2
Original line number Diff line number Diff line
@@ -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;