diff --git a/drivers/gpio/gpio-pca953x.c b/drivers/gpio/gpio-pca953x.c
index 6317510b0dc3e9e36bdad423277d9b66e2d3be0e..60ae18e4b5f5aee34066789fff3700f4484a68c9 100644
--- a/drivers/gpio/gpio-pca953x.c
+++ b/drivers/gpio/gpio-pca953x.c
@@ -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,