From: Joshua Scott <joshua.scott@xxxxxxxxxxxxxxxxxxx> commit 80031361747aec92163464f2ee08870fec33bcb0 upstream. Switch to the "marvell,armada-38x-uart" driver variant to empty the UART buffer before writing to the UART_LCR register. Signed-off-by: Joshua Scott <joshua.scott@xxxxxxxxxxxxxxxxxxx> Tested-by: Andrew Lunn <andrew@xxxxxxx> Acked-by: Gregory CLEMENT <gregory.clement@xxxxxxxxxxx>. Cc: stable@xxxxxxxxxxxxxxx Fixes: 43e28ba87708 ("ARM: dts: Use armada-370-xp as a base for armada-xp-98dx3236") Signed-off-by: Gregory CLEMENT <gregory.clement@xxxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- arch/arm/boot/dts/armada-xp-98dx3236.dtsi | 8 ++++++++ 1 file changed, 8 insertions(+) --- a/arch/arm/boot/dts/armada-xp-98dx3236.dtsi +++ b/arch/arm/boot/dts/armada-xp-98dx3236.dtsi @@ -336,3 +336,11 @@ status = "disabled"; }; +&uart0 { + compatible = "marvell,armada-38x-uart"; +}; + +&uart1 { + compatible = "marvell,armada-38x-uart"; +}; +