Unverified Commit eb708cd6 authored by Richard Fitzgerald's avatar Richard Fitzgerald Committed by Mark Brown
Browse files

regmap: regmap_multi_reg_read(): make register list const 



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: default avatarRichard Fitzgerald <rf@opensource.cirrus.com>
Link: https://patch.msgid.link/20241211133558.884669-1-rf@opensource.cirrus.com


Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent 1331fb66

drivers/base/regmap/regmap.c

+2 −2
Original line number Diff line number Diff line
@@ -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)

include/linux/regmap.h

+1 −1
Original line number Diff line number Diff line
@@ -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,