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driver core: Introduce an device matching API device_match_type()

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Introduce device_match_type() for purposes below:

- Test if a device matches with a specified device type.
- As argument of various device finding APIs to find a device with
  specified type.

device_find_child() will use it to simplify operations later.

Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Zijun Hu <quic_zijuhu@quicinc.com>
Link: https://lore.kernel.org/r/20241224-const_dfc_done-v5-9-6623037414d4@quicinc.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Zijun Hu
2024-12-24 21:05:08 +08:00
committed by Greg Kroah-Hartman
parent 6687f282e9
commit adf908c965
2 changed files with 7 additions and 0 deletions
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include/linux/device/bus.h
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@@ -131,6 +131,7 @@ typedef int (*device_match_t)(struct device *dev, const void *data);
/* Generic device matching functions that all busses can use to match with */
int device_match_name(struct device *dev, const void *name);
int device_match_type(struct device *dev, const void *type);
int device_match_of_node(struct device *dev, const void *np);
int device_match_fwnode(struct device *dev, const void *fwnode);
int device_match_devt(struct device *dev, const void *pdevt);