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[ Upstream commit47ef525612] The polarity of the DE signal of the transceiver is active-high for sending. Therefore rs485-rts-active-low is wrong and needs to be removed to make RS485 transmissions work. Signed-off-by: Annette Kobou <annette.kobou@kontron.de> Signed-off-by: Frieder Schrempf <frieder.schrempf@kontron.de> Fixes:1ea4b76cdf("ARM: dts: imx6ul-kontron-n6310: Add Kontron i.MX6UL N6310 SoM and boards") Signed-off-by: Shawn Guo <shawnguo@kernel.org> Signed-off-by: Sasha Levin <sashal@kernel.org>