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| author | Michael Walle <michael@walle.cc> | 2022-11-21 16:08:42 +0100 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2022-11-22 12:23:17 +0000 |
| commit | a6d99022e56e8c1ddc4c75895ed9e3ce5da88453 (patch) | |
| tree | 7537b99e86ac937a24f11d3d0b65a405bfa488e3 /drivers/base | |
| parent | 9abf2313adc1ca1b6180c508c25f22f9395cc780 (diff) | |
| download | linux-stable-a6d99022e56e8c1ddc4c75895ed9e3ce5da88453.tar.gz linux-stable-a6d99022e56e8c1ddc4c75895ed9e3ce5da88453.tar.bz2 linux-stable-a6d99022e56e8c1ddc4c75895ed9e3ce5da88453.zip | |
regmap: add regmap_might_sleep()
With the dawn of MMIO gpio-regmap users, it is desirable to let
gpio-regmap ask the regmap if it might sleep during an access so
it can pass that information to gpiochip. Add a new regmap_might_sleep()
to query the regmap.
Signed-off-by: Michael Walle <michael@walle.cc>
Link: https://lore.kernel.org/r/20221121150843.1562603-1-michael@walle.cc
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'drivers/base')
| -rw-r--r-- | drivers/base/regmap/regmap.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/base/regmap/regmap.c b/drivers/base/regmap/regmap.c index c6d6d53e8cd3..d12d669157f2 100644 --- a/drivers/base/regmap/regmap.c +++ b/drivers/base/regmap/regmap.c @@ -3486,6 +3486,19 @@ int regmap_get_reg_stride(struct regmap *map) } EXPORT_SYMBOL_GPL(regmap_get_reg_stride); +/** + * regmap_might_sleep() - Returns whether a regmap access might sleep. + * + * @map: Register map to operate on. + * + * Returns true if an access to the register might sleep, else false. + */ +bool regmap_might_sleep(struct regmap *map) +{ + return map->can_sleep; +} +EXPORT_SYMBOL_GPL(regmap_might_sleep); + int regmap_parse_val(struct regmap *map, const void *buf, unsigned int *val) { |