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nvmem: core: constify nvmem_cell_read_variable_common() return value

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The caller doesn't modify the memory pointed to by the pointer so it
can be const.

Suggested-by: Stephen Boyd <[email protected]>
Signed-off-by: Douglas Anderson <[email protected]>
Reviewed-by: Stephen Boyd <[email protected]>
Signed-off-by: Srinivas Kandagatla <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Greg Kroah-Hartman <[email protected]>
This commit is contained in:
Douglas Anderson authored and Greg Kroah-Hartman committed 2021-06-11 10:57:56 +02:00
1 parent c813bb37bd
commit 1f7b4d8787
1 file changed
+5 -5
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drivers/nvmem/core.c
+5 -5
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@@ -1606,9 +1606,9 @@ int nvmem_cell_read_u64(struct device *dev, const char *cell_id, u64 *val)
}
EXPORT_SYMBOL_GPL(nvmem_cell_read_u64);
static void *nvmem_cell_read_variable_common(struct device *dev,
const char *cell_id,
size_t max_len, size_t *len)
static const void *nvmem_cell_read_variable_common(struct device *dev,
const char *cell_id,
size_t max_len, size_t *len)
{
struct nvmem_cell *cell;
int nbits;
@@ -1652,7 +1652,7 @@ int nvmem_cell_read_variable_le_u32(struct device *dev, const char *cell_id,
u32 *val)
{
size_t len;
u8 *buf;
const u8 *buf;
int i;
buf = nvmem_cell_read_variable_common(dev, cell_id, sizeof(*val), &len);
@@ -1683,7 +1683,7 @@ int nvmem_cell_read_variable_le_u64(struct device *dev, const char *cell_id,
u64 *val)
{
size_t len;
u8 *buf;
const u8 *buf;
int i;
buf = nvmem_cell_read_variable_common(dev, cell_id, sizeof(*val), &len);