diff --git a/arch/arm/mach-imx/imx8m/soc.c b/arch/arm/mach-imx/imx8m/soc.c index 1f484e1cb2..d47638e8a9 100644 --- a/arch/arm/mach-imx/imx8m/soc.c +++ b/arch/arm/mach-imx/imx8m/soc.c @@ -1152,6 +1152,37 @@ static int disable_cpu_nodes(void *blob, u32 disabled_cores) return 0; } +#if defined(CONFIG_IMX8MM) +static int cleanup_nodes_for_efi(void *blob) +{ + static const char * const usbotg_path[] = { + "/soc@0/bus@32c00000/usb@32e40000", + "/soc@0/bus@32c00000/usb@32e50000" + }; + int nodeoff, i, rc; + + for (i = 0; i < ARRAY_SIZE(usbotg_path); i++) { + nodeoff = fdt_path_offset(blob, usbotg_path[i]); + if (nodeoff < 0) + continue; /* Not found, skip it */ + debug("Found %s node\n", usbotg_path[i]); + + rc = fdt_delprop(blob, nodeoff, "extcon"); + if (rc == -FDT_ERR_NOTFOUND) + continue; + if (rc) { + printf("Unable to update property %s:%s, err=%s\n", + usbotg_path[i], "extcon", fdt_strerror(rc)); + return rc; + } + + printf("Remove %s:%s\n", usbotg_path[i], "extcon"); + } + + return 0; +} +#endif + int ft_system_setup(void *blob, struct bd_info *bd) { #ifdef CONFIG_IMX8MQ @@ -1246,6 +1277,8 @@ usb_modify_speed: else if (is_imx8mms() || is_imx8mmsl()) disable_cpu_nodes(blob, 3); + cleanup_nodes_for_efi(blob); + #elif defined(CONFIG_IMX8MN) if (is_imx8mnl() || is_imx8mndl() || is_imx8mnsl()) disable_gpu_nodes(blob);