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ACPI: bus: Introduce acpi_match_acpi_device() helper 

Match the ACPI device against a given list of ACPI IDs.

Subsequent changes will make use of this.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
[ rjw: Changelog edit ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Andy Shevchenko 2023-07-03 15:14:07 +03:00 committed by Rafael J. Wysocki
parent 90f6af8160
commit 2b5ae96049
2 changed files with 30 additions and 4 deletions
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25
drivers/acpi/bus.c
View File

@ -850,6 +850,26 @@ out_acpi_match:
return true;
}
/**
* acpi_match_acpi_device - Match an ACPI device against a given list of ACPI IDs
* @ids: Array of struct acpi_device_id objects to match against.
* @adev: The ACPI device pointer to match.
*
* Match the ACPI device @adev against a given list of ACPI IDs @ids.
*
* Return:
* a pointer to the first matching ACPI ID on success or %NULL on failure.
*/
const struct acpi_device_id *acpi_match_acpi_device(const struct acpi_device_id *ids,
const struct acpi_device *adev)
{
const struct acpi_device_id *id = NULL;
__acpi_match_device(adev, ids, NULL, &id, NULL);
return id;
}
EXPORT_SYMBOL_GPL(acpi_match_acpi_device);
/**
* acpi_match_device - Match a struct device against a given list of ACPI IDs
* @ids: Array of struct acpi_device_id object to match against.
@ -864,10 +884,7 @@ out_acpi_match:
const struct acpi_device_id *acpi_match_device(const struct acpi_device_id *ids,
const struct device *dev)
{
const struct acpi_device_id *id = NULL;
__acpi_match_device(acpi_companion_match(dev), ids, NULL, &id, NULL);
return id;
return acpi_match_acpi_device(ids, acpi_companion_match(dev));
}
EXPORT_SYMBOL_GPL(acpi_match_device);

9
include/linux/acpi.h
View File

@ -719,6 +719,9 @@ extern int acpi_nvs_register(__u64 start, __u64 size);
extern int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *),
void *data);
const struct acpi_device_id *acpi_match_acpi_device(const struct acpi_device_id *ids,
const struct acpi_device *adev);
const struct acpi_device_id *acpi_match_device(const struct acpi_device_id *ids,
const struct device *dev);
@ -935,6 +938,12 @@ static inline int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *),
struct acpi_device_id;
static inline const struct acpi_device_id *acpi_match_acpi_device(
const struct acpi_device_id *ids, const struct acpi_device *adev)
{
return NULL;
}
static inline const struct acpi_device_id *acpi_match_device(
const struct acpi_device_id *ids, const struct device *dev)
{