Yong Cong Sin 1967d1e699 drivers: syscon: do not assume that a function isn't supported ... When a function pointer is `NULL`, it could be that the underlying hardware doesn't support it, or it isn't implemented. If a function isn't supported by the hardware, its driver should return `-ENOTSUP`, the API layer should return `-ENOSYS` when a function isn't implemented. Signed-off-by: Yong Cong Sin <yongcong.sin@gmail.com>		2025-07-04 16:42:53 -10:00
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zephyr	drivers: syscon: do not assume that a function isn't supported	2025-07-04 16:42:53 -10:00