OF has of_device_get_match_data() function to extract driver specific data
structure. Add a similar function for ACPI.
Signed-off-by: Sinan Kaya <okaya@xxxxxxxxxxxxxx>
---
drivers/acpi/bus.c | 13 +++++++++++++
include/linux/acpi.h | 8 ++++++++
2 files changed, 21 insertions(+)
diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c
index 4d0979e..05d8d9a 100644
--- a/drivers/acpi/bus.c
+++ b/drivers/acpi/bus.c
@@ -785,6 +785,19 @@ const struct acpi_device_id *acpi_match_device(const struct acpi_device_id *ids,
}
EXPORT_SYMBOL_GPL(acpi_match_device);
+void *acpi_get_match_data(struct acpi_device *device,
+ const struct acpi_device_id *ids)
+{
+ const struct acpi_device_id *match;
+
+ match = __acpi_match_device(device, ids, NULL);
+ if (!match)
+ return NULL;
+
+ return (void *)match->driver_data;
+}
+EXPORT_SYMBOL_GPL(acpi_get_match_data);
+
int acpi_match_device_ids(struct acpi_device *device,
const struct acpi_device_id *ids)
{
diff --git a/include/linux/acpi.h b/include/linux/acpi.h
index 502af53..196bc7a 100644
--- a/include/linux/acpi.h
+++ b/include/linux/acpi.h
@@ -584,6 +584,8 @@ extern int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *),
const struct acpi_device_id *acpi_match_device(const struct acpi_device_id *ids,
const struct device *dev);
+void *acpi_get_match_data(struct acpi_device *device,
+ const struct acpi_device_id *ids);
extern bool acpi_driver_match_device(struct device *dev,
const struct device_driver *drv);
int acpi_device_uevent_modalias(struct device *, struct kobj_uevent_env *);
@@ -755,6 +757,12 @@ static inline const struct acpi_device_id *acpi_match_device(
return NULL;
}
+static inline void *acpi_get_match_data(struct acpi_device *device,
+ const struct acpi_device_id *ids)
+{
+ return NULL;
+}
+
static inline bool acpi_driver_match_device(struct device *dev,
const struct device_driver *drv)
{
--
1.9.1
--
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