MLK-19995 imx8mq: disconnect usb from host for uuu

Stop the usb device controller before enter kernel, this is required to make kernel can properly init usb controller with it's in stopped state. Suggested-by: Ye.Li <ye.li@nxp.com> Reviewed-by: Ye Li <ye.li@nxp.com> Signed-off-by: Li Jun <jun.li@nxp.com>

MLK-19995 imx8mq: disconnect usb from host for uuu
Stop the usb device controller before enter kernel, this is required to make kernel can properly init usb controller with it's in stopped state. Suggested-by: Ye.Li <ye.li@nxp.com> Reviewed-by: Ye Li <ye.li@nxp.com> Signed-off-by: Li Jun <jun.li@nxp.com>
Li Jun · Eric Lee · Eric Lee · Eric Lee · Eric Lee · Eric Lee
1 parent 5cf826345d
Showing 1 changed file with 8 additions and 0 deletions Side-by-side Diff
arch/arm/mach-imx/imx8m/soc.c
@@ -441,6 +441,14 @@
 	}
  
 }
+
+void board_quiesce_devices(void)
+{
+#ifdef CONFIG_USB_DWC3
+	if (is_usb_boot())
+		disconnect_from_pc();
+#endif
+}
 #endif
  
 static int disable_vpu_nodes(void *blob)
...	...	@@ -441,6 +441,14 @@
441	441	}
442	442
443	443	}
	444	+
	445	+void board_quiesce_devices(void)
	446	+{
	447	+#ifdef CONFIG_USB_DWC3
	448	+ if (is_usb_boot())
	449	+ disconnect_from_pc();
	450	+#endif
	451	+}
444	452	#endif
445	453
446	454	static int disable_vpu_nodes(void *blob)