nvmem: core: Add stub for nvmem_cell_read_u8

Add the stub nvmem_cell_read_u8() function for drivers running with
CONFIG_NVMEM disabled.

Signed-off-by: Komal Bajaj <quic_kbajaj@quicinc.com>
Reviewed-by: Mukesh Ojha <quic_mojha@quicinc.com>
Link: https://lore.kernel.org/r/20230830105654.28057-4-quic_kbajaj@quicinc.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>

diff --git a/include/linux/nvmem-consumer.h b/include/linux/nvmem-consumer.h
index 4523e4e8331970d3f6e48cb408f825329f407d8f..6ec4b9743e25d4463fafe5d44d51ab89eacc316d 100644 (file)
--- a/include/linux/nvmem-consumer.h
+++ b/include/linux/nvmem-consumer.h
@@ -127,6 +127,12 @@ static inline int nvmem_cell_write(struct nvmem_cell *cell,
        return -EOPNOTSUPP;
 }
 
+static inline int nvmem_cell_read_u8(struct device *dev,
+                                    const char *cell_id, u8 *val)
+{
+       return -EOPNOTSUPP;
+}
+
 static inline int nvmem_cell_read_u16(struct device *dev,
                                      const char *cell_id, u16 *val)
 {