summaryrefslogtreecommitdiff
path: root/include/linux/mfd/syscon.h
diff options
context:
space:
mode:
authorMark Brown <broonie@linaro.org>2013-11-24 18:35:18 +0400
committerMark Brown <broonie@linaro.org>2013-11-24 18:35:18 +0400
commit30c27abd28fa168d7ebd2e5286f1fe473c74bfa9 (patch)
tree9936b38c0c81cd430d5e75906c1207d127fe588c /include/linux/mfd/syscon.h
parent16ec790938d4f356c82fab27b9a9adf4d6fe19a6 (diff)
parent6ce4eac1f600b34f2f7f58f9cd8f0503d79e42ae (diff)
downloadlinux-30c27abd28fa168d7ebd2e5286f1fe473c74bfa9.tar.xz
Merge tag 'v3.13-rc1' into asoc-arizona
Linux 3.13-rc1
Diffstat (limited to 'include/linux/mfd/syscon.h')
-rw-r--r--include/linux/mfd/syscon.h25
1 files changed, 25 insertions, 0 deletions
diff --git a/include/linux/mfd/syscon.h b/include/linux/mfd/syscon.h
index b473577f36db..8789fa3c7fd9 100644
--- a/include/linux/mfd/syscon.h
+++ b/include/linux/mfd/syscon.h
@@ -17,10 +17,35 @@
struct device_node;
+#ifdef CONFIG_MFD_SYSCON
extern struct regmap *syscon_node_to_regmap(struct device_node *np);
extern struct regmap *syscon_regmap_lookup_by_compatible(const char *s);
extern struct regmap *syscon_regmap_lookup_by_pdevname(const char *s);
extern struct regmap *syscon_regmap_lookup_by_phandle(
struct device_node *np,
const char *property);
+#else
+static inline struct regmap *syscon_node_to_regmap(struct device_node *np)
+{
+ return ERR_PTR(-ENOSYS);
+}
+
+static inline struct regmap *syscon_regmap_lookup_by_compatible(const char *s)
+{
+ return ERR_PTR(-ENOSYS);
+}
+
+static inline struct regmap *syscon_regmap_lookup_by_pdevname(const char *s)
+{
+ return ERR_PTR(-ENOSYS);
+}
+
+static inline struct regmap *syscon_regmap_lookup_by_phandle(
+ struct device_node *np,
+ const char *property)
+{
+ return ERR_PTR(-ENOSYS);
+}
+#endif
+
#endif /* __LINUX_MFD_SYSCON_H__ */