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dm: reset: Update uclass to allow querying reset status

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Add a reset operations function pointer to support querying the current
status of a reset control.

Reviewed-by: Tom Rini <trini@konsulko.com>
Signed-off-by: Andreas Dannenberg <dannenberg@ti.com>
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
This commit is contained in:
Andreas Dannenberg 2018-08-27 15:57:39 +05:30 • committed by Tom Rini
parent aec99c9776
commit e7012e6e1f
3 changed files with 31 additions and 0 deletions
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8
include/reset-uclass.h
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@ -76,6 +76,14 @@ struct reset_ops {
* @return 0 if OK, or a negative error code.
*/
int (*rst_deassert)(struct reset_ctl *reset_ctl);
/**
* rst_status - Check reset signal status.
*
* @reset_ctl: The reset signal to check.
* @return 0 if deasserted, positive if asserted, or a negative
* error code.
*/
int (*rst_status)(struct reset_ctl *reset_ctl);
};
#endif