diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2019-06-14 05:48:29 -1000 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2019-06-14 05:48:29 -1000 |
| commit | 7617c9a087d2036e12e1524a03d064884730f4a1 (patch) | |
| tree | f5ebec075ffb93cca013974549d9fc5aa429a245 /drivers/gpio/gpio-pca953x.c | |
| parent | bcb46a0e0e5c79291ffbc1e4b5d1d3d119e0f984 (diff) | |
| parent | 3b00691cc46a4089368a008b30655a8343411715 (diff) | |
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
Diffstat (limited to 'drivers/gpio/gpio-pca953x.c')
| -rw-r--r-- | drivers/gpio/gpio-pca953x.c | 3 |
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, |