summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorLinus Torvalds <torvalds@linux-foundation.org>2019-06-14 05:48:29 -1000
committerLinus Torvalds <torvalds@linux-foundation.org>2019-06-14 05:48:29 -1000
commit7617c9a087d2036e12e1524a03d064884730f4a1 (patch)
treef5ebec075ffb93cca013974549d9fc5aa429a245
parentbcb46a0e0e5c79291ffbc1e4b5d1d3d119e0f984 (diff)
parent3b00691cc46a4089368a008b30655a8343411715 (diff)
downloadlinux-sh-7617c9a087d2036e12e1524a03d064884730f4a1.tar.gz
Merge tag 'gpio-v5.2-3' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio
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
-rw-r--r--drivers/gpio/gpio-pca953x.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/gpio/gpio-pca953x.c b/drivers/gpio/gpio-pca953x.c
index 2328d04201a9..cfe827cefad8 100644
--- a/drivers/gpio/gpio-pca953x.c
+++ b/drivers/gpio/gpio-pca953x.c
@@ -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,