nvmem: core: Add nvmem_cell_read_u32
This function does a quick and easy read of an u32 value without any
kind of resource management code on the consumer side.
Signed-off-by: Leonard Crestez <leonard.crestez@nxp.com>
Reviewed-by: Shawn Guo <shawnguo@kernel.org>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/include/linux/nvmem-consumer.h b/include/linux/nvmem-consumer.h
index c2256d7..efafccf 100644
--- a/include/linux/nvmem-consumer.h
+++ b/include/linux/nvmem-consumer.h
@@ -35,6 +35,7 @@
void devm_nvmem_cell_put(struct device *dev, struct nvmem_cell *cell);
void *nvmem_cell_read(struct nvmem_cell *cell, size_t *len);
int nvmem_cell_write(struct nvmem_cell *cell, void *buf, size_t len);
+int nvmem_cell_read_u32(struct device *dev, const char *cell_id, u32 *val);
/* direct nvmem device read/write interface */
struct nvmem_device *nvmem_device_get(struct device *dev, const char *name);
@@ -85,6 +86,12 @@
return -ENOSYS;
}
+static inline int nvmem_cell_read_u32(struct device *dev,
+ const char *cell_id, u32 *val)
+{
+ return -ENOSYS;
+}
+
static inline struct nvmem_device *nvmem_device_get(struct device *dev,
const char *name)
{