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regmap: regmap_multi_reg_read(): make register list const

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Mark the list of registers passed into regmap_multi_reg_read() as a
pointer to const. This allows the caller to define the register list
as const data.

This requires making the same change to _regmap_bulk_read(), which is
called by regmap_multi_reg_read().

Signed-off-by: Richard Fitzgerald <rf@opensource.cirrus.com>
Link: https://patch.msgid.link/20241211133558.884669-1-rf@opensource.cirrus.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Richard Fitzgerald
2024-12-11 13:35:58 +00:00
committed by Mark Brown
parent 1331fb6640
commit eb708cd631
2 changed files with 3 additions and 3 deletions
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4
drivers/base/regmap/regmap.c
View File

@@ -3115,7 +3115,7 @@ int regmap_fields_read(struct regmap_field *field, unsigned int id,
EXPORT_SYMBOL_GPL(regmap_fields_read);
static int _regmap_bulk_read(struct regmap *map, unsigned int reg,
unsigned int *regs, void *val, size_t val_count)
const unsigned int *regs, void *val, size_t val_count)
{
u32 *u32 = val;
u16 *u16 = val;
@@ -3209,7 +3209,7 @@ EXPORT_SYMBOL_GPL(regmap_bulk_read);
* A value of zero will be returned on success, a negative errno will
* be returned in error cases.
*/
int regmap_multi_reg_read(struct regmap *map, unsigned int *regs, void *val,
int regmap_multi_reg_read(struct regmap *map, const unsigned int *regs, void *val,
size_t val_count)
{
if (val_count == 0)

2
include/linux/regmap.h
View File

@@ -1244,7 +1244,7 @@ int regmap_noinc_read(struct regmap *map, unsigned int reg,
void *val, size_t val_len);
int regmap_bulk_read(struct regmap *map, unsigned int reg, void *val,
size_t val_count);
int regmap_multi_reg_read(struct regmap *map, unsigned int *reg, void *val,
int regmap_multi_reg_read(struct regmap *map, const unsigned int *reg, void *val,
size_t val_count);
int regmap_update_bits_base(struct regmap *map, unsigned int reg,
unsigned int mask, unsigned int val,