1 From 5a819175b911ce33f3337e1e069d4bcea1ec4788 Mon Sep 17 00:00:00 2001
2 From: Philipp Zabel <p.zabel@pengutronix.de>
3 Date: Thu, 29 Oct 2015 09:55:00 +0100
4 Subject: [PATCH] reset: use ENOTSUPP instead of ENOSYS
6 ENOSYS is reserved to report invalid syscalls to userspace.
7 Consistently return ENOTSUPP to indicate that the driver doesn't support
8 the functionality or the reset framework is not enabled at all.
10 Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
12 drivers/reset/core.c | 8 ++++----
13 include/linux/reset.h | 8 ++++----
14 2 files changed, 8 insertions(+), 8 deletions(-)
16 --- a/drivers/reset/core.c
17 +++ b/drivers/reset/core.c
18 @@ -95,7 +95,7 @@ int reset_control_reset(struct reset_con
19 if (rstc->rcdev->ops->reset)
20 return rstc->rcdev->ops->reset(rstc->rcdev, rstc->id);
25 EXPORT_SYMBOL_GPL(reset_control_reset);
27 @@ -108,7 +108,7 @@ int reset_control_assert(struct reset_co
28 if (rstc->rcdev->ops->assert)
29 return rstc->rcdev->ops->assert(rstc->rcdev, rstc->id);
34 EXPORT_SYMBOL_GPL(reset_control_assert);
36 @@ -121,7 +121,7 @@ int reset_control_deassert(struct reset_
37 if (rstc->rcdev->ops->deassert)
38 return rstc->rcdev->ops->deassert(rstc->rcdev, rstc->id);
43 EXPORT_SYMBOL_GPL(reset_control_deassert);
45 @@ -136,7 +136,7 @@ int reset_control_status(struct reset_co
46 if (rstc->rcdev->ops->status)
47 return rstc->rcdev->ops->status(rstc->rcdev, rstc->id);
52 EXPORT_SYMBOL_GPL(reset_control_status);
54 --- a/include/linux/reset.h
55 +++ b/include/linux/reset.h
56 @@ -74,7 +74,7 @@ static inline void reset_control_put(str
58 static inline int device_reset_optional(struct device *dev)
64 static inline struct reset_control *__must_check reset_control_get(
65 @@ -94,19 +94,19 @@ static inline struct reset_control *__mu
66 static inline struct reset_control *reset_control_get_optional(
67 struct device *dev, const char *id)
69 - return ERR_PTR(-ENOSYS);
70 + return ERR_PTR(-ENOTSUPP);
73 static inline struct reset_control *devm_reset_control_get_optional(
74 struct device *dev, const char *id)
76 - return ERR_PTR(-ENOSYS);
77 + return ERR_PTR(-ENOTSUPP);
80 static inline struct reset_control *of_reset_control_get(
81 struct device_node *node, const char *id)
83 - return ERR_PTR(-ENOSYS);
84 + return ERR_PTR(-ENOTSUPP);
87 static inline struct reset_control *of_reset_control_get_by_index(