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authorDinh Nguyen <dinguyen@opensource.altera.com>2014-10-10 19:21:14 +0400
committerPhilipp Zabel <p.zabel@pengutronix.de>2014-10-20 12:11:29 +0400
commit729de41baf63e2172b9d61de61bbd53f231095ca (patch)
tree8c04f97eb59f6cd90977f87b5476ec6711546730 /include/linux/reset-controller.h
parentf114040e3ea6e07372334ade75d1ee0775c355e1 (diff)
downloadlinux-729de41baf63e2172b9d61de61bbd53f231095ca.tar.xz
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.h2
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;