Commit aa58a21a authored Apr 07, 2020 by Bartosz Golaszewski

gpio: pca953x: disable regmap locking



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>

parent 96d7c7b3

drivers/gpio/gpio-pca953x.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -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,

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