It's a repetition of the commit aa58a21ae378 ("gpio: pca953x: disable regmap locking") which states the following: 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. Fixes: bcf41dc480b1 ("gpio: pca953x: fix handling of automatic address incrementing") Cc: Uwe Kleine-König <u.kleine-koenig@xxxxxxxxxxxxxx> Signed-off-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx> --- drivers/gpio/gpio-pca953x.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/gpio/gpio-pca953x.c b/drivers/gpio/gpio-pca953x.c index 97c9ac31ecb5..6f409ee0b033 100644 --- a/drivers/gpio/gpio-pca953x.c +++ b/drivers/gpio/gpio-pca953x.c @@ -395,6 +395,7 @@ static const struct regmap_config pca953x_ai_i2c_regmap = { .writeable_reg = pca953x_writeable_register, .volatile_reg = pca953x_volatile_register, + .disable_locking = true, .cache_type = REGCACHE_RBTREE, .max_register = 0x7f, }; -- 2.27.0.rc2