From: Diogo Ivo <diogo.ivo@xxxxxxxxxxx> [ Upstream commit f06777cf2bbc21dd8c71d6e3906934e56b4e18e4 ] Intel Over-Clocking Watchdogs are described in ACPI tables by both the generic PNP0C02 _CID and their ACPI _HID. The presence of the _CID then causes the PNP scan handler to attach to the watchdog, preventing the actual watchdog driver from binding. Address this by adding the ACPI _HIDs to the list of non-PNP devices, so that the PNP scan handler is bypassed. Note that these watchdogs can be described by multiple _HIDs for what seems to be identical hardware. This commit is not a complete list of all the possible watchdog ACPI _HIDs. Signed-off-by: Diogo Ivo <diogo.ivo@xxxxxxxxxxx> Link: https://patch.msgid.link/20250317-ivo-intel_oc_wdt-v3-2-32c396f4eefd@xxxxxxxxxxx Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> --- drivers/acpi/acpi_pnp.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/acpi/acpi_pnp.c b/drivers/acpi/acpi_pnp.c index 01abf26764b00..3f5a1840f5733 100644 --- a/drivers/acpi/acpi_pnp.c +++ b/drivers/acpi/acpi_pnp.c @@ -355,8 +355,10 @@ static bool acpi_pnp_match(const char *idstr, const struct acpi_device_id **matc * device represented by it. */ static const struct acpi_device_id acpi_nonpnp_device_ids[] = { + {"INT3F0D"}, {"INTC1080"}, {"INTC1081"}, + {"INTC1099"}, {""}, }; -- 2.39.5
