Commit 62c8bc0d authored by Daniel Scally's avatar Daniel Scally Committed by Rafael J. Wysocki
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ACPI: bus: Add iterator for dependent devices 



Add a helper macro to iterate over ACPI devices that are flagged
as consumers of an initial supplier ACPI device.

Reviewed-by: default avatarHans de Goede <hdegoede@redhat.com>
Signed-off-by: default avatarDaniel Scally <djrscally@gmail.com>
Signed-off-by: default avatarRafael J. Wysocki <rafael.j.wysocki@intel.com>
parent cca8a7ef

include/acpi/acpi_bus.h

+11 −0
Original line number Diff line number Diff line
@@ -745,6 +745,17 @@ bool acpi_dev_ready_for_enumeration(const struct acpi_device *device); 
struct acpi_device *acpi_dev_get_next_consumer_dev(struct acpi_device *supplier,

						   struct acpi_device *start);



/**

 * for_each_acpi_consumer_dev - iterate over the consumer ACPI devices for a

 *				given supplier

 * @supplier: Pointer to the supplier's ACPI device

 * @consumer: Pointer to &struct acpi_device to hold the consumer, initially NULL

 */

#define for_each_acpi_consumer_dev(supplier, consumer)			\

	for (consumer = acpi_dev_get_next_consumer_dev(supplier, NULL);	\

	     consumer;							\

	     consumer = acpi_dev_get_next_consumer_dev(supplier, consumer))



struct acpi_device *

acpi_dev_get_next_match_dev(struct acpi_device *adev, const char *hid, const char *uid, s64 hrv);

struct acpi_device *