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nvmem: use EOPNOTSUPP instead of ENOSYS

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Checkpatch emits warnings when using ENOSYS. Some of the frameworks
started using EOPNOTSUPP as return values for API functions when given
subsystem is disabled in Kconfig.

Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Bartosz Golaszewski 2018-09-21 06:40:22 -07:00 committed by Greg Kroah-Hartman
parent 165589f0cb
commit 20167b70c8
2 changed files with 17 additions and 18 deletions
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30
include/linux/nvmem-consumer.h
View File

@ -93,13 +93,13 @@ int nvmem_unregister_notifier(struct notifier_block *nb);
static inline struct nvmem_cell *nvmem_cell_get(struct device *dev,
const char *id)
{
return ERR_PTR(-ENOSYS);
return ERR_PTR(-EOPNOTSUPP);
}
static inline struct nvmem_cell *devm_nvmem_cell_get(struct device *dev,
const char *id)
{
return ERR_PTR(-ENOSYS);
return ERR_PTR(-EOPNOTSUPP);
}
static inline void devm_nvmem_cell_put(struct device *dev,
@ -113,31 +113,31 @@ static inline void nvmem_cell_put(struct nvmem_cell *cell)
static inline void *nvmem_cell_read(struct nvmem_cell *cell, size_t *len)
{
return ERR_PTR(-ENOSYS);
return ERR_PTR(-EOPNOTSUPP);
}
static inline int nvmem_cell_write(struct nvmem_cell *cell,
const char *buf, size_t len)
{
return -ENOSYS;
return -EOPNOTSUPP;
}
static inline int nvmem_cell_read_u32(struct device *dev,
const char *cell_id, u32 *val)
{
return -ENOSYS;
return -EOPNOTSUPP;
}
static inline struct nvmem_device *nvmem_device_get(struct device *dev,
const char *name)
{
return ERR_PTR(-ENOSYS);
return ERR_PTR(-EOPNOTSUPP);
}
static inline struct nvmem_device *devm_nvmem_device_get(struct device *dev,
const char *name)
{
return ERR_PTR(-ENOSYS);
return ERR_PTR(-EOPNOTSUPP);
}
static inline void nvmem_device_put(struct nvmem_device *nvmem)
@ -153,28 +153,28 @@ static inline ssize_t nvmem_device_cell_read(struct nvmem_device *nvmem,
struct nvmem_cell_info *info,
void *buf)
{
return -ENOSYS;
return -EOPNOTSUPP;
}
static inline int nvmem_device_cell_write(struct nvmem_device *nvmem,
struct nvmem_cell_info *info,
void *buf)
{
return -ENOSYS;
return -EOPNOTSUPP;
}
static inline int nvmem_device_read(struct nvmem_device *nvmem,
unsigned int offset, size_t bytes,
void *buf)
{
return -ENOSYS;
return -EOPNOTSUPP;
}
static inline int nvmem_device_write(struct nvmem_device *nvmem,
unsigned int offset, size_t bytes,
void *buf)
{
return -ENOSYS;
return -EOPNOTSUPP;
}
static inline const char *nvmem_dev_name(struct nvmem_device *nvmem)
@ -189,12 +189,12 @@ nvmem_del_cell_lookups(struct nvmem_cell_lookup *entries, size_t nentries) {}
static inline int nvmem_register_notifier(struct notifier_block *nb)
{
return -ENOSYS;
return -EOPNOTSUPP;
}
static inline int nvmem_unregister_notifier(struct notifier_block *nb)
{
return -ENOSYS;
return -EOPNOTSUPP;
}
#endif /* CONFIG_NVMEM */
@ -208,13 +208,13 @@ struct nvmem_device *of_nvmem_device_get(struct device_node *np,
static inline struct nvmem_cell *of_nvmem_cell_get(struct device_node *np,
const char *id)
{
return ERR_PTR(-ENOSYS);
return ERR_PTR(-EOPNOTSUPP);
}
static inline struct nvmem_device *of_nvmem_device_get(struct device_node *np,
const char *name)
{
return ERR_PTR(-ENOSYS);
return ERR_PTR(-EOPNOTSUPP);
}
#endif /* CONFIG_NVMEM && CONFIG_OF */

5
include/linux/nvmem-provider.h
View File

@ -100,7 +100,7 @@ void nvmem_del_cell_table(struct nvmem_cell_table *table);
static inline struct nvmem_device *nvmem_register(const struct nvmem_config *c)
{
return ERR_PTR(-ENOSYS);
return ERR_PTR(-EOPNOTSUPP);
}
static inline void nvmem_unregister(struct nvmem_device *nvmem) {}
@ -114,8 +114,7 @@ devm_nvmem_register(struct device *dev, const struct nvmem_config *c)
static inline int
devm_nvmem_unregister(struct device *dev, struct nvmem_device *nvmem)
{
return -ENOSYS;
return -EOPNOTSUPP;
}
static inline void nvmem_add_cell_table(struct nvmem_cell_table *table) {}