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authorLeonard Crestez <leonard.crestez@nxp.com>2017-07-26 12:34:46 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2017-08-28 18:33:23 +0300
commitd026d70a2e9460dc701d20b48672b80a2656006d (patch)
tree24acc74a69f48c4f163b75c9764305f19f33da68 /include/linux/nvmem-consumer.h
parent5f214ccdd1cab5cdfbd15bf08124d456c7fd8eec (diff)
downloadlinux-d026d70a2e9460dc701d20b48672b80a2656006d.tar.xz
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>
Diffstat (limited to 'include/linux/nvmem-consumer.h')
-rw-r--r--include/linux/nvmem-consumer.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/include/linux/nvmem-consumer.h b/include/linux/nvmem-consumer.h
index c2256d746543..efafccffaee8 100644
--- a/include/linux/nvmem-consumer.h
+++ b/include/linux/nvmem-consumer.h
@@ -35,6 +35,7 @@ void nvmem_cell_put(struct nvmem_cell *cell);
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 @@ static inline int nvmem_cell_write(struct nvmem_cell *cell,
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)
{