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ACPI: bus: update acpi_dev_hid_uid_match() to support multiple types

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Now that we have _UID matching support for both integer and string types,
we can support them into acpi_dev_hid_uid_match() helper as well.

Signed-off-by: Raag Jadav <raag.jadav@intel.com>
Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Raag Jadav 2023-11-23 15:36:14 +05:30 committed by Rafael J. Wysocki
parent 57b8543cee
commit b2b32a1738
3 changed files with 24 additions and 36 deletions
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29
drivers/acpi/utils.c
View File

@ -824,35 +824,6 @@ bool acpi_check_dsm(acpi_handle handle, const guid_t *guid, u64 rev, u64 funcs)
}
EXPORT_SYMBOL(acpi_check_dsm);
/**
* 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 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 NULL.
* - %false otherwise.
*/
bool acpi_dev_hid_uid_match(struct acpi_device *adev,
const char *hid2, const char *uid2)
{
const char *hid1 = acpi_device_hid(adev);
if (strcmp(hid1, hid2))
return false;
if (!uid2)
return true;
return acpi_dev_uid_match(adev, uid2);
}
EXPORT_SYMBOL(acpi_dev_hid_uid_match);
/**
* acpi_dev_uid_to_integer - treat ACPI device _UID as integer
* @adev: ACPI device to get _UID from

24
include/acpi/acpi_bus.h
View File

@ -764,9 +764,15 @@ static inline bool acpi_device_can_poweroff(struct acpi_device *adev)
adev->power.states[ACPI_STATE_D3_HOT].flags.explicit_set);
}
bool acpi_dev_hid_uid_match(struct acpi_device *adev, const char *hid2, const char *uid2);
int acpi_dev_uid_to_integer(struct acpi_device *adev, u64 *integer);
static inline bool acpi_dev_hid_match(struct acpi_device *adev, const char *hid2)
{
const char *hid1 = acpi_device_hid(adev);
return hid1 && hid2 && !strcmp(hid1, hid2);
}
static inline bool acpi_str_uid_match(struct acpi_device *adev, const char *uid2)
{
const char *uid1 = acpi_device_uid(adev);
@ -807,6 +813,22 @@ static inline bool acpi_int_uid_match(struct acpi_device *adev, u64 uid2)
/* Treat as an integer otherwise */ \
default: acpi_int_uid_match)(adev, 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.
*
* 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.
*/
#define acpi_dev_hid_uid_match(adev, hid2, uid2) \
(acpi_dev_hid_match(adev, hid2) && \
(!(uid2) || 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);
struct acpi_device *acpi_dev_get_next_consumer_dev(struct acpi_device *supplier,

7
include/linux/acpi.h
View File

@ -758,6 +758,7 @@ const char *acpi_get_subsystem_id(acpi_handle handle);
/* Get rid of the -Wunused-variable for adev */
#define acpi_dev_uid_match(adev, uid2) (adev && false)
#define acpi_dev_hid_uid_match(adev, hid2, uid2) (adev && false)
#include <acpi/acpi_numa.h>
@ -775,12 +776,6 @@ static inline bool acpi_dev_present(const char *hid, const char *uid, s64 hrv)
struct acpi_device;
static inline bool
acpi_dev_hid_uid_match(struct acpi_device *adev, const char *hid2, const char *uid2)
{
return false;
}
static inline int acpi_dev_uid_to_integer(struct acpi_device *adev, u64 *integer)
{
return -ENODEV;