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| author |   Daniel Scally <djrscally@gmail.com> | 2022-09-22 00:04:36 +0100 |
|---|---|---|
| committer |   Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2022-09-24 19:12:32 +0200 |
| commit | 62c8bc0d27a784b09114d67c33e8fa83f350fa77 (patch) | |
| tree | c668cd57f1447a6bf7d07fc743394cfa10791f3f /include/acpi | |
| parent | ACPI: scan: Add acpi_dev_get_next_consumer_dev() (diff) | |
| download | linux-dev-62c8bc0d27a784b09114d67c33e8fa83f350fa77.tar.xz linux-dev-62c8bc0d27a784b09114d67c33e8fa83f350fa77.zip | |
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: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Daniel Scally <djrscally@gmail.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'include/acpi')
| -rw-r--r-- | include/acpi/acpi_bus.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/include/acpi/acpi_bus.h b/include/acpi/acpi_bus.h index c66d17c3298b..f016c155b462 100644 --- a/include/acpi/acpi_bus.h +++ b/include/acpi/acpi_bus.h @@ -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 * |