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storage/flash_map: Add FLASH_AREA_DEVICE macro

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The macro returns pointer to a device object the flash area
exists on.

Signed-off-by: Dominik Ermel <dominik.ermel@nordicsemi.no>
This commit is contained in:
Dominik Ermel 2021-11-03 12:49:12 +00:00 • committed by Anas Nashif
commit a333ffce1d
3 changed files with 16 additions and 3 deletions
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10
include/storage/flash_map.h
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@ -271,6 +271,16 @@ uint8_t flash_area_erased_val(const struct flash_area *fa);
#define FLASH_AREA_SIZE(label) \
DT_REG_SIZE(DT_NODE_BY_FIXED_PARTITION_LABEL(label))
/**
* Get device pointer for device the area/partition resides on
*
* @param label partition label
*
* @return const struct device type pointer
*/
#define FLASH_AREA_DEVICE(label) \
DEVICE_DT_GET(DT_MTD_FROM_FIXED_PARTITION(DT_NODE_BY_FIXED_PARTITION_LABEL(label)))
#ifdef __cplusplus
}
#endif