The Colibri iMX6ULL has a somewhat special hardware design due to some legacy decisions regarding USB OTG. This leads to different issues when runtime PM is enabled. Disable runtime power management on colibri-imx6ull USB. Signed-off-by: Philippe Schenker <philippe.schenker@xxxxxxxxxxx> --- Changes in v2: None arch/arm/boot/dts/imx6ull-colibri.dtsi | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/arm/boot/dts/imx6ull-colibri.dtsi b/arch/arm/boot/dts/imx6ull-colibri.dtsi index 9145c536d71a..1c6692237506 100644 --- a/arch/arm/boot/dts/imx6ull-colibri.dtsi +++ b/arch/arm/boot/dts/imx6ull-colibri.dtsi @@ -195,6 +195,7 @@ &uart5 { }; &usbotg1 { + disable-runtime-pm; dr_mode = "otg"; srp-disable; hnp-disable; @@ -202,6 +203,7 @@ &usbotg1 { }; &usbotg2 { + disable-runtime-pm; dr_mode = "host"; }; -- 2.27.0