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regmap: Annotate that MMIO implies fast IO 

Document that using the MMIO helpers will automatically enable the
'fast_io' parameter. This makes the used locking scheme more transparent
and avoids superfluous setting of this parameter in drivers.

Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Link: https://patch.msgid.link/20250725110337.4303-2-wsa+renesas@sang-engineering.com
Signed-off-by: Mark Brown <broonie@kernel.org>
pull/1309/head
Wolfram Sang 2025-07-25 13:03:27 +02:00 committed by Mark Brown
parent 9f711c9321
commit ffc72771ff
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1 changed files with 4 additions and 4 deletions
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8
include/linux/regmap.h
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@ -913,7 +913,7 @@ int regmap_attach_dev(struct device *dev, struct regmap *map,
* @config: Configuration for register map
*
* The return value will be an ERR_PTR() on error or a valid pointer to
* a struct regmap.
* a struct regmap. Implies 'fast_io'.
*/
#define regmap_init_mmio_clk(dev, clk_id, regs, config) \
__regmap_lockdep_wrapper(__regmap_init_mmio_clk, #config, \
@ -927,7 +927,7 @@ int regmap_attach_dev(struct device *dev, struct regmap *map,
* @config: Configuration for register map
*
* The return value will be an ERR_PTR() on error or a valid pointer to
* a struct regmap.
* a struct regmap. Implies 'fast_io'.
*/
#define regmap_init_mmio(dev, regs, config) \
regmap_init_mmio_clk(dev, NULL, regs, config)
@ -1138,7 +1138,7 @@ bool regmap_ac97_default_volatile(struct device *dev, unsigned int reg);
*
* The return value will be an ERR_PTR() on error or a valid pointer
* to a struct regmap. The regmap will be automatically freed by the
* device management code.
* device management code. Implies 'fast_io'.
*/
#define devm_regmap_init_mmio_clk(dev, clk_id, regs, config) \
__regmap_lockdep_wrapper(__devm_regmap_init_mmio_clk, #config, \
@ -1153,7 +1153,7 @@ bool regmap_ac97_default_volatile(struct device *dev, unsigned int reg);
*
* The return value will be an ERR_PTR() on error or a valid pointer
* to a struct regmap. The regmap will be automatically freed by the
* device management code.
* device management code. Implies 'fast_io'.
*/
#define devm_regmap_init_mmio(dev, regs, config) \
devm_regmap_init_mmio_clk(dev, NULL, regs, config)