diff --git a/drivers/usb/core/usb-acpi.c b/drivers/usb/core/usb-acpi.c index e221861b3187c2..8424b3a27e7eb5 100644 --- a/drivers/usb/core/usb-acpi.c +++ b/drivers/usb/core/usb-acpi.c @@ -12,6 +12,7 @@ #include #include #include +#include #include "hub.h" @@ -81,6 +82,20 @@ int usb_acpi_set_power_state(struct usb_device *hdev, int index, bool enable) } EXPORT_SYMBOL_GPL(usb_acpi_set_power_state); +static const struct dmi_system_id intel_icl_broken_acpi[] = { + { + .ident = "ICL RVP", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Intel Corporation"), + DMI_MATCH(DMI_PRODUCT_NAME, "Ice Lake Client Platform"), + }, + }, + + { } +}; + +static bool acpi_connection_type_broken; + static enum usb_port_connect_type usb_acpi_get_connect_type(acpi_handle handle, struct acpi_pld_info *pld) { @@ -89,6 +104,10 @@ static enum usb_port_connect_type usb_acpi_get_connect_type(acpi_handle handle, union acpi_object *upc; acpi_status status; + /* Work around unknown ACPI instruction error on ICL RVP BIOSes. */ + if (acpi_connection_type_broken) + return USB_PORT_CONNECT_TYPE_UNKNOWN; + /* * According to 9.14 in ACPI Spec 6.2. _PLD indicates whether usb port * is user visible and _UPC indicates whether it is connectable. If @@ -235,6 +254,11 @@ static struct acpi_bus_type usb_acpi_bus = { int usb_acpi_register(void) { + if (dmi_check_system(intel_icl_broken_acpi)) { + pr_info("USB ACPI connection type broken.\n"); + acpi_connection_type_broken = true; + } + return register_acpi_bus_type(&usb_acpi_bus); }