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gpio: pca953x: disable regmap locking

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This driver uses its own locking but regmap silently uses a mutex for
all operations too. Add the option to disable locking to the regmap
config struct.

Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Tested-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Bartosz Golaszewski 2020-04-07 17:42:45 +02:00
parent 96d7c7b3e6
commit aa58a21ae3
1 changed files with 1 additions and 0 deletions
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drivers/gpio/gpio-pca953x.c
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@ -307,6 +307,7 @@ static const struct regmap_config pca953x_i2c_regmap = {
.writeable_reg = pca953x_writeable_register,
.volatile_reg = pca953x_volatile_register,
.disable_locking = true,
.cache_type = REGCACHE_RBTREE,
/* REVISIT: should be 0x7f but some 24 bit chips use REG_ADDR_AI */
.max_register = 0xff,