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Diffstat (limited to '')
| -rw-r--r-- | drivers/usb/dwc3/dwc3-pci.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/usb/dwc3/dwc3-pci.c b/drivers/usb/dwc3/dwc3-pci.c index 955bf820f..8d4f1b13f 100644 --- a/drivers/usb/dwc3/dwc3-pci.c +++ b/drivers/usb/dwc3/dwc3-pci.c @@ -171,10 +171,12 @@ static int dwc3_pci_quirks(struct dwc3_pci *dwc) /* * A lot of BYT devices lack ACPI resource entries for - * the GPIOs, add a fallback mapping to the reference + * the GPIOs. If the ACPI entry for the GPIO controller + * is present add a fallback mapping to the reference * design GPIOs which all boards seem to use. */ - gpiod_add_lookup_table(&platform_bytcr_gpios); + if (acpi_dev_present("INT33FC", NULL, -1)) + gpiod_add_lookup_table(&platform_bytcr_gpios); /* * These GPIOs will turn on the USB2 PHY. Note that we have to |