On Fri, 14 Jun 2019 12:01:28 -0700, you said:

> > static const struct pci_device_id pch_gpio_pcidev_id[] = {
> >  { PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0x8803) },
> >  { PCI_DEVICE(PCI_VENDOR_ID_ROHM, 0x8014) },
> >  { PCI_DEVICE(PCI_VENDOR_ID_ROHM, 0x8043) },
> >  { PCI_DEVICE(PCI_VENDOR_ID_ROHM, 0x8803) },
> >  { 0, }
> > };
> > MODULE_DEVICE_TABLE(pci, pch_gpio_pcidev_id);

> It is a PCI device with 8086/9d20 IDs.

Give this patch a try, if it works I'll push it upstream for you...

diff --git a/drivers/gpio/gpio-pch.c b/drivers/gpio/gpio-pch.c
index 1d99293096f2..19884b5b2a74 100644
--- a/drivers/gpio/gpio-pch.c
+++ b/drivers/gpio/gpio-pch.c
@@ -439,6 +439,7 @@ static SIMPLE_DEV_PM_OPS(pch_gpio_pm_ops, pch_gpio_suspend, pch_gpio_resume);

 static const struct pci_device_id pch_gpio_pcidev_id[] = {
 	{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0x8803) },
+	{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0x9d20) },
 	{ PCI_DEVICE(PCI_VENDOR_ID_ROHM, 0x8014) },
 	{ PCI_DEVICE(PCI_VENDOR_ID_ROHM, 0x8043) },
 	{ PCI_DEVICE(PCI_VENDOR_ID_ROHM, 0x8803) },