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Commit 2acb5c30 authored by Roger Quadros's avatar Roger Quadros Committed by Marc Kleine-Budde
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ARM: dts: dra7x-evm: Prevent glitch on DCAN1 pinmux



Driver core sets "default" pinmux on on probe and CAN driver
sets "sleep" pinmux during register. This causes a small window
where the CAN pins are in "default" state with the DCAN module
being disabled.

Change the "default" state to be like sleep so this glitch is
avoided. Add a new "active" state that is used by the driver
when CAN is actually active.

Signed-off-by: default avatarRoger Quadros <rogerq@ti.com>
Cc: linux-stable <stable@vger.kernel.org>
Signed-off-by: default avatarMarc Kleine-Budde <mkl@pengutronix.de>
parent 03336519
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+3 −2
Original line number Diff line number Diff line
@@ -686,7 +686,8 @@

&dcan1 {
	status = "ok";
	pinctrl-names = "default", "sleep";
	pinctrl-0 = <&dcan1_pins_default>;
	pinctrl-names = "default", "sleep", "active";
	pinctrl-0 = <&dcan1_pins_sleep>;
	pinctrl-1 = <&dcan1_pins_sleep>;
	pinctrl-2 = <&dcan1_pins_default>;
};
+3 −2
Original line number Diff line number Diff line
@@ -587,9 +587,10 @@

&dcan1 {
	status = "ok";
	pinctrl-names = "default", "sleep";
	pinctrl-0 = <&dcan1_pins_default>;
	pinctrl-names = "default", "sleep", "active";
	pinctrl-0 = <&dcan1_pins_sleep>;
	pinctrl-1 = <&dcan1_pins_sleep>;
	pinctrl-2 = <&dcan1_pins_default>;
};

&qspi {