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Merge tag 'gpio-v5.2-3' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio

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Pull GPIO fix from Linus Walleij:
 "A single fix for the PCA953x driver affecting some fringe variants of
  the chip"

* tag 'gpio-v5.2-3' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio:
  gpio: pca953x: hack to fix 24 bit gpio expanders
This commit is contained in:
Linus Torvalds
2019-06-14 05:48:29 -10:00
parent bcb46a0e0e 3b00691cc4
commit 7617c9a087
1 changed files with 2 additions and 1 deletions
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3
drivers/gpio/gpio-pca953x.c
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@@ -305,7 +305,8 @@ static const struct regmap_config pca953x_i2c_regmap = {
.volatile_reg = pca953x_volatile_register,
.cache_type = REGCACHE_RBTREE,
.max_register = 0x7f,
/* REVISIT: should be 0x7f but some 24 bit chips use REG_ADDR_AI */
.max_register = 0xff,
};
static u8 pca953x_recalc_addr(struct pca953x_chip *chip, int reg, int off,