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device: iterable supported devices

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Add supported device information to the device `handles` array. This
enables API's to iterate over supported devices for power management
purposes.

Signed-off-by: Jordan Yates <jordan.yates@data61.csiro.au>
This commit is contained in:
Jordan Yates 2021-08-20 18:31:18 +10:00 • committed by Anas Nashif
commit 0c6588ff47
2 changed files with 44 additions and 6 deletions
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7
include/device.h
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@ -679,6 +679,8 @@ static inline bool device_is_ready(const struct device *dev)
* List of devicetree dependency ordinals (if any),
* DEVICE_HANDLE_SEP,
* List of injected dependency ordinals (if any),
* DEVICE_HANDLE_SEP,
* List of devicetree supporting ordinals (if any),
* }
*
* After processing in gen_handles.py, the format is updated to:
@ -686,6 +688,8 @@ static inline bool device_is_ready(const struct device *dev)
* List of existing devicetree dependency handles (if any),
* DEVICE_HANDLE_SEP,
* List of injected dependency ordinals (if any),
* DEVICE_HANDLE_SEP,
* List of existing devicetree support handles (if any),
* DEVICE_HANDLE_NULL padding to original length (at least one)
* }
*
@ -717,6 +721,9 @@ BUILD_ASSERT(sizeof(device_handle_t) == 2, "fix the linker scripts");
)) \
DEVICE_HANDLE_SEP, \
Z_DEVICE_EXTRA_HANDLES(__VA_ARGS__) \
DEVICE_HANDLE_SEP, \
COND_CODE_1(DT_NODE_EXISTS(node_id), \
(DT_SUPPORTS_DEP_ORDS(node_id)), ()) \
};
#define Z_DEVICE_DEFINE_INIT(node_id, dev_name, pm_control_fn) \