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authorBartosz Golaszewski <bgolaszewski@baylibre.com>2018-09-21 06:40:03 -0700
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2018-09-28 15:14:53 +0200
commitd7b9fd1669d4a4f38281c4e29f1408e1bdce09b3 (patch)
treeb66b50195303932f05f261784e442552b5c88ed0 /include/linux/nvmem-consumer.h
parent96d08fb43e30bb55fa1a76953097cf043807837b (diff)
nvmem: provide nvmem_dev_name()
Kernel users don't have any means of checking the names of nvmem devices. Add a routine that returns the name of the nvmem provider. This will be useful for future nvmem notifier subscribers - otherwise they can't check what device is being added/removed. 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>
Diffstat (limited to 'include/linux/nvmem-consumer.h')
-rw-r--r--include/linux/nvmem-consumer.h8
1 files changed, 8 insertions, 0 deletions
diff --git a/include/linux/nvmem-consumer.h b/include/linux/nvmem-consumer.h
index 4e85447f7860..0389fe00b177 100644
--- a/include/linux/nvmem-consumer.h
+++ b/include/linux/nvmem-consumer.h
@@ -55,6 +55,8 @@ ssize_t nvmem_device_cell_read(struct nvmem_device *nvmem,
int nvmem_device_cell_write(struct nvmem_device *nvmem,
struct nvmem_cell_info *info, void *buf);
+const char *nvmem_dev_name(struct nvmem_device *nvmem);
+
#else
static inline struct nvmem_cell *nvmem_cell_get(struct device *dev,
@@ -143,6 +145,12 @@ static inline int nvmem_device_write(struct nvmem_device *nvmem,
{
return -ENOSYS;
}
+
+static inline const char *nvmem_dev_name(struct nvmem_device *nvmem)
+{
+ return NULL;
+}
+
#endif /* CONFIG_NVMEM */
#if IS_ENABLED(CONFIG_NVMEM) && IS_ENABLED(CONFIG_OF)