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| author |   Wolfram Sang <wsa+renesas@sang-engineering.com> | 2025-07-25 13:03:27 +0200 |
|---|---|---|
| committer |   Mark Brown <broonie@kernel.org> | 2025-07-25 13:44:33 +0100 |
| commit | ffc72771ff6ec9f5b431a86c4b00d8ef0fea958b (patch) | |
| tree | 6928cc063e56eb3ecab0f6891ed68722ca7747ee | |
| parent | regmap: get rid of redundant debugfs_file_{get,put}() (diff) | |
| download | wireguard-linux-ffc72771ff6ec9f5b431a86c4b00d8ef0fea958b.tar.xz wireguard-linux-ffc72771ff6ec9f5b431a86c4b00d8ef0fea958b.zip | |
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>
| -rw-r--r-- | include/linux/regmap.h | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/include/linux/regmap.h b/include/linux/regmap.h index 02b83f5499b8..4e1ac1fbcec4 100644 --- a/include/linux/regmap.h +++ b/include/linux/regmap.h @@ -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) |