4.4-stable review patch. If anyone has any objections, please let me know.
------------------
From: Guenter Roeck <linux@xxxxxxxxxxxx>
commit a6c50912508d80164a5e607993b617be85a46d73 upstream.
nvmem_cell_read() is declared as void * if CONFIG_NVMEM is enabled, and
as char * otherwise. This can result in a build warning if CONFIG_NVMEM
is not enabled and a caller asigns the result to a type other than char *
without using a typecast. Use a consistent declaration to avoid the
problem.
Fixes: e2a5402ec7c6 ("nvmem: Add nvmem_device based consumer apis.")
Cc: Srinivas Kandagatla <srinivas.kandagatla@xxxxxxxxxx>
Signed-off-by: Guenter Roeck <linux@xxxxxxxxxxxx>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
include/linux/nvmem-consumer.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/include/linux/nvmem-consumer.h
+++ b/include/linux/nvmem-consumer.h
@@ -74,7 +74,7 @@ static inline void nvmem_cell_put(struct
{
}
-static inline char *nvmem_cell_read(struct nvmem_cell *cell, size_t *len)
+static inline void *nvmem_cell_read(struct nvmem_cell *cell, size_t *len)
{
return ERR_PTR(-ENOSYS);
}
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