diff options
| -rw-r--r-- | drivers/pinctrl/pinctrl-sx150x.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/pinctrl/pinctrl-sx150x.c b/drivers/pinctrl/pinctrl-sx150x.c index 1a1c8b51a992..a121819ffc92 100644 --- a/drivers/pinctrl/pinctrl-sx150x.c +++ b/drivers/pinctrl/pinctrl-sx150x.c @@ -5,6 +5,7 @@ * Copyright (c) 2010, Code Aurora Forum. All rights reserved. * * Driver for Semtech SX150X I2C GPIO Expanders + * The handling of the 4-bit chips (SX1501/SX1504/SX1507) is untested. * * Author: Gregory Bean <gbean@codeaurora.org> * @@ -1088,7 +1089,7 @@ static int sx150x_regmap_reg_write(void *context, unsigned int reg, val = sx150x_maybe_swizzle(pctl, reg, val); - n = width - 8; + n = (width - 1) & ~7; do { const u8 byte = (val >> n) & 0xff; |