diff options
Diffstat (limited to 'drivers/nvmem/core.c')
| -rw-r--r-- | drivers/nvmem/core.c | 16 |
1 files changed, 9 insertions, 7 deletions
diff --git a/drivers/nvmem/core.c b/drivers/nvmem/core.c index de54c7f5048a..5a5cefd12153 100644 --- a/drivers/nvmem/core.c +++ b/drivers/nvmem/core.c @@ -135,7 +135,7 @@ static ssize_t bin_attr_nvmem_write(struct file *filp, struct kobject *kobj, /* Stop the user from writing */ if (pos >= nvmem->size) - return 0; + return -EFBIG; if (count < nvmem->word_size) return -EINVAL; @@ -462,6 +462,8 @@ struct nvmem_device *nvmem_register(const struct nvmem_config *config) nvmem->id = rval; nvmem->owner = config->owner; + if (!nvmem->owner && config->dev->driver) + nvmem->owner = config->dev->driver->owner; nvmem->stride = config->stride; nvmem->word_size = config->word_size; nvmem->size = config->size; @@ -615,7 +617,7 @@ static struct nvmem_device *nvmem_find(const char *name) return to_nvmem_device(d); } -#if IS_ENABLED(CONFIG_NVMEM) && IS_ENABLED(CONFIG_OF) +#if IS_ENABLED(CONFIG_OF) /** * of_nvmem_device_get() - Get nvmem device from a given id * @@ -753,7 +755,7 @@ static struct nvmem_cell *nvmem_cell_get_from_list(const char *cell_id) return cell; } -#if IS_ENABLED(CONFIG_NVMEM) && IS_ENABLED(CONFIG_OF) +#if IS_ENABLED(CONFIG_OF) /** * of_nvmem_cell_get() - Get a nvmem cell from given device node and cell id * @@ -789,6 +791,7 @@ struct nvmem_cell *of_nvmem_cell_get(struct device_node *np, return ERR_PTR(-EINVAL); nvmem = __nvmem_device_get(nvmem_np, NULL, NULL); + of_node_put(nvmem_np); if (IS_ERR(nvmem)) return ERR_CAST(nvmem); @@ -945,8 +948,7 @@ void nvmem_cell_put(struct nvmem_cell *cell) } EXPORT_SYMBOL_GPL(nvmem_cell_put); -static inline void nvmem_shift_read_buffer_in_place(struct nvmem_cell *cell, - void *buf) +static void nvmem_shift_read_buffer_in_place(struct nvmem_cell *cell, void *buf) { u8 *p, *b; int i, bit_offset = cell->bit_offset; @@ -1027,8 +1029,8 @@ void *nvmem_cell_read(struct nvmem_cell *cell, size_t *len) } EXPORT_SYMBOL_GPL(nvmem_cell_read); -static inline void *nvmem_cell_prepare_write_buffer(struct nvmem_cell *cell, - u8 *_buf, int len) +static void *nvmem_cell_prepare_write_buffer(struct nvmem_cell *cell, + u8 *_buf, int len) { struct nvmem_device *nvmem = cell->nvmem; int i, rc, nbits, bit_offset = cell->bit_offset; |