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authorOleksandr Suvorov <oleksandr.suvorov@toradex.com>2019-08-30 12:06:59 +0300
committerOleksandr Suvorov <oleksandr.suvorov@toradex.com>2019-09-02 11:53:34 +0300
commita9038a0051a24653ecd324ed1230a2f334e646a4 (patch)
treeb3832d22bc757f8dd3fb2f7f3a4182ce7f4999c8 /arch/arm64/boot/dts/freescale/fsl-imx8qxp-colibri.dtsi
parent486161489f49d71f5fbf10f477d5063c2ab96b1d (diff)
ARM64: dts: colibri-imx8x: Add note against using epdev_on-supply in pcieb
Adding epdev_on-supply leads a crash of pcie driver on system suspend. Warn customers about it. Signed-off-by: Oleksandr Suvorov <oleksandr.suvorov@toradex.com>
Diffstat (limited to 'arch/arm64/boot/dts/freescale/fsl-imx8qxp-colibri.dtsi')
-rw-r--r--arch/arm64/boot/dts/freescale/fsl-imx8qxp-colibri.dtsi5
1 files changed, 4 insertions, 1 deletions
diff --git a/arch/arm64/boot/dts/freescale/fsl-imx8qxp-colibri.dtsi b/arch/arm64/boot/dts/freescale/fsl-imx8qxp-colibri.dtsi
index d7117aa784e7..2a48de0daf4b 100644
--- a/arch/arm64/boot/dts/freescale/fsl-imx8qxp-colibri.dtsi
+++ b/arch/arm64/boot/dts/freescale/fsl-imx8qxp-colibri.dtsi
@@ -768,6 +768,10 @@
/* On-module PCIe for wifi */
&pcieb{
+/*
+ * WARNING! Enabling "epdev_on-supply" leads a crash of pcie driver on
+ * system suspend.
+ */
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_pcieb &pinctrl_wifi>;
ext_osc = <1>;
@@ -775,7 +779,6 @@
disable-gpio = <&gpio_expander_43 6 GPIO_ACTIVE_LOW>;
power-on-gpio = <&gpio_expander_43 2 GPIO_ACTIVE_LOW>;
reset-gpio = <&gpio4 0 GPIO_ACTIVE_LOW>;
-/* epdev_on-supply = <&reg_wifi>;*/
fsl,max-link-speed = <1>;
status = "okay";
};