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i3c: move dev_to_i3cdev() to use container_of_const()

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The driver core is changing to pass some pointers as const, so move
dev_to_i3cdev() to use container_of_const() to handle this change.
dev_to_i3cdev() now properly keeps the const-ness of the pointer passed
into it, while as before it could be lost.

Acked-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Acked-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20230111113018.459199-3-gregkh@linuxfoundation.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Greg Kroah-Hartman
2023-01-11 12:30:04 +01:00
parent a77ad4bf79
commit fa838c8ce5
2 changed files with 8 additions and 13 deletions
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9
include/linux/i3c/device.h
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@@ -186,7 +186,14 @@ 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);
/**
* dev_to_i3cdev() - Returns the I3C device containing @dev
* @dev: device object
*
* Return: a pointer to an I3C device object.
*/
#define dev_to_i3cdev(__dev) container_of_const(__dev, struct i3c_device, dev)
const struct i3c_device_id *
i3c_device_match_id(struct i3c_device *i3cdev,