Commit d7da7e7c authored by Rafael J. Wysocki's avatar Rafael J. Wysocki
Browse files

Merge branch 'acpi-bus'

* acpi-bus:
  ACPI: bus: allow _UID matching for integer zero
parents d730192f aca1a528
Loading
Loading
Loading
Loading
+5 −3
Original line number Diff line number Diff line
@@ -911,17 +911,19 @@ static inline bool acpi_int_uid_match(struct acpi_device *adev, u64 uid2)
 * acpi_dev_hid_uid_match - Match device by supplied HID and UID
 * @adev: ACPI device to match.
 * @hid2: Hardware ID of the device.
 * @uid2: Unique ID of the device, pass 0 or NULL to not check _UID.
 * @uid2: Unique ID of the device, pass NULL to not check _UID.
 *
 * Matches HID and UID in @adev with given @hid2 and @uid2. Absence of @uid2
 * will be treated as a match. If user wants to validate @uid2, it should be
 * done before calling this function.
 *
 * Returns: %true if matches or @uid2 is 0 or NULL, %false otherwise.
 * Returns: %true if matches or @uid2 is NULL, %false otherwise.
 */
#define acpi_dev_hid_uid_match(adev, hid2, uid2)			\
	(acpi_dev_hid_match(adev, hid2) &&				\
		(!(uid2) || acpi_dev_uid_match(adev, uid2)))
		/* Distinguish integer 0 from NULL @uid2 */		\
		(_Generic(uid2,	ACPI_STR_TYPES(!(uid2)), default: 0) ||	\
		acpi_dev_uid_match(adev, uid2)))

void acpi_dev_clear_dependencies(struct acpi_device *supplier);
bool acpi_dev_ready_for_enumeration(const struct acpi_device *device);