From 729de41baf63e2172b9d61de61bbd53f231095ca Mon Sep 17 00:00:00 2001 From: Dinh Nguyen Date: Fri, 10 Oct 2014 10:21:14 -0500 Subject: 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 Signed-off-by: Philipp Zabel --- include/linux/reset.h | 7 +++++++ 1 file changed, 7 insertions(+) (limited to 'include/linux/reset.h') diff --git a/include/linux/reset.h b/include/linux/reset.h index 349f150ae12c..da5602bd77d7 100644 --- a/include/linux/reset.h +++ b/include/linux/reset.h @@ -10,6 +10,7 @@ struct reset_control; int reset_control_reset(struct reset_control *rstc); int reset_control_assert(struct reset_control *rstc); int reset_control_deassert(struct reset_control *rstc); +int reset_control_status(struct reset_control *rstc); struct reset_control *reset_control_get(struct device *dev, const char *id); void reset_control_put(struct reset_control *rstc); @@ -57,6 +58,12 @@ static inline int reset_control_deassert(struct reset_control *rstc) return 0; } +static inline int reset_control_status(struct reset_control *rstc) +{ + WARN_ON(1); + return 0; +} + static inline void reset_control_put(struct reset_control *rstc) { WARN_ON(1); -- cgit v1.2.3