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| author |   Dinh Nguyen <dinguyen@opensource.altera.com> | 2014-10-10 10:21:14 -0500 |
|---|---|---|
| committer |   Philipp Zabel <p.zabel@pengutronix.de> | 2014-10-20 10:11:29 +0200 |
| commit | 729de41baf63e2172b9d61de61bbd53f231095ca (patch) | |
| tree | 8c04f97eb59f6cd90977f87b5476ec6711546730 /include/linux/reset-controller.h | |
| parent | Linux 3.18-rc1 (diff) | |
| download | linux-dev-729de41baf63e2172b9d61de61bbd53f231095ca.tar.xz linux-dev-729de41baf63e2172b9d61de61bbd53f231095ca.zip | |
reset: add reset_control_status helper function
There are cases where a system will want to read a reset status bit before
doing any other toggling. Add a reset_control_status helper function to the
reset controller API.
Signed-off-by: Dinh Nguyen <dinguyen@opensource.altera.com>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Diffstat (limited to 'include/linux/reset-controller.h')
| -rw-r--r-- | include/linux/reset-controller.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/reset-controller.h b/include/linux/reset-controller.h index 41a4695fde08..ce6b962ffed4 100644 --- a/include/linux/reset-controller.h +++ b/include/linux/reset-controller.h @@ -12,11 +12,13 @@ struct reset_controller_dev; * things to reset the device * @assert: manually assert the reset line, if supported * @deassert: manually deassert the reset line, if supported + * @status: return the status of the reset line, if supported */ struct reset_control_ops { int (*reset)(struct reset_controller_dev *rcdev, unsigned long id); int (*assert)(struct reset_controller_dev *rcdev, unsigned long id); int (*deassert)(struct reset_controller_dev *rcdev, unsigned long id); + int (*status)(struct reset_controller_dev *rcdev, unsigned long id); }; struct module; |