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Subject[PATCH v2 2/3] i3c: add i3c_get_device_id helper
Date
This helper return the i3c_device_id structure in order the client
have access to the driver data.

Signed-off-by: Vitor Soares <vitor.soares@synopsys.com>
---
Changes in v2:
move this function to drivers/i3c/device.c

drivers/i3c/device.c | 8 ++++++++
include/linux/i3c/device.h | 1 +
2 files changed, 9 insertions(+)

diff --git a/drivers/i3c/device.c b/drivers/i3c/device.c
index 69cc040..a6d0796 100644
--- a/drivers/i3c/device.c
+++ b/drivers/i3c/device.c
@@ -200,6 +200,14 @@ struct i3c_device *dev_to_i3cdev(struct device *dev)
}
EXPORT_SYMBOL_GPL(dev_to_i3cdev);

+const struct i3c_device_id *i3c_get_device_id(struct i3c_device *i3cdev)
+{
+ const struct i3c_driver *i3cdrv = drv_to_i3cdrv(i3cdev->dev.driver);
+
+ return i3cdrv->id_table;
+}
+EXPORT_SYMBOL_GPL(i3c_get_device_id);
+
/**
* i3c_driver_register_with_owner() - register an I3C device driver
*
diff --git a/include/linux/i3c/device.h b/include/linux/i3c/device.h
index 5ecb055..e0415e1 100644
--- a/include/linux/i3c/device.h
+++ b/include/linux/i3c/device.h
@@ -187,6 +187,7 @@ static inline struct i3c_driver *drv_to_i3cdrv(struct device_driver *drv)

struct device *i3cdev_to_dev(struct i3c_device *i3cdev);
struct i3c_device *dev_to_i3cdev(struct device *dev);
+const struct i3c_device_id *i3c_get_device_id(struct i3c_device *i3cdev);

static inline void i3cdev_set_drvdata(struct i3c_device *i3cdev,
void *data)
--
2.7.4
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