[PATCH v3 2/5] ACPI: bus: update acpi_dev_hid_uid_match() to support multiple types

From: Raag Jadav
Date: Thu Nov 23 2023 - 05:08:03 EST


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@xxxxxxxxx>
Reviewed-by: Mika Westerberg <mika.westerberg@xxxxxxxxxxxxxxx>
---
drivers/acpi/utils.c | 29 -----------------------------
include/acpi/acpi_bus.h | 24 +++++++++++++++++++++++-
include/linux/acpi.h | 7 +------
3 files changed, 24 insertions(+), 36 deletions(-)

diff --git a/drivers/acpi/utils.c b/drivers/acpi/utils.c
index fe7e850c6479..03f6de9a0807 100644
--- a/drivers/acpi/utils.c
+++ b/drivers/acpi/utils.c
@@ -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
diff --git a/include/acpi/acpi_bus.h b/include/acpi/acpi_bus.h
index a4622d95a36d..e5b4c3f8d2be 100644
--- a/include/acpi/acpi_bus.h
+++ b/include/acpi/acpi_bus.h
@@ -857,9 +857,15 @@ 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);
@@ -900,6 +906,22 @@ 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,
diff --git a/include/linux/acpi.h b/include/linux/acpi.h
index 6f1e9f98fa44..118a18b7ff84 100644
--- a/include/linux/acpi.h
+++ b/include/linux/acpi.h
@@ -765,6 +765,7 @@ 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>

@@ -782,12 +783,6 @@ 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;
--
2.17.1