diff options
| -rw-r--r-- | drivers/gpio/gpio-pca953x.c | 20 |
1 files changed, 10 insertions, 10 deletions
diff --git a/drivers/gpio/gpio-pca953x.c b/drivers/gpio/gpio-pca953x.c index 5299e5bb76d6..2c8586b3191f 100644 --- a/drivers/gpio/gpio-pca953x.c +++ b/drivers/gpio/gpio-pca953x.c @@ -309,26 +309,26 @@ static bool pcal6534_check_register(struct pca953x_chip *chip, unsigned int reg, int bank; int offset; - if (reg >= 0x30) { + if (reg >= 0x54) { /* - * Reserved block between 14h and 2Fh does not align on - * expected bank boundaries like other devices. + * Handle lack of reserved registers after output port + * configuration register to form a bank. */ - int temp = reg - 0x30; + int temp = reg - 0x54; bank = temp / NBANK(chip); offset = temp - (bank * NBANK(chip)); - bank += 8; - } else if (reg >= 0x54) { + bank += 16; + } else if (reg >= 0x30) { /* - * Handle lack of reserved registers after output port - * configuration register to form a bank. + * Reserved block between 14h and 2Fh does not align on + * expected bank boundaries like other devices. */ - int temp = reg - 0x54; + int temp = reg - 0x30; bank = temp / NBANK(chip); offset = temp - (bank * NBANK(chip)); - bank += 16; + bank += 8; } else { bank = reg / NBANK(chip); offset = reg - (bank * NBANK(chip)); |