The range_max is inclusive, so we need to use the number of the last accessible register address. Fixes: 8670de9fae49 ("pinctrl: cy8c95x0: Use regmap ranges") Signed-off-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx> --- drivers/pinctrl/pinctrl-cy8c95x0.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/pinctrl/pinctrl-cy8c95x0.c b/drivers/pinctrl/pinctrl-cy8c95x0.c index 825bd1e528b5..cda9e1b6fed6 100644 --- a/drivers/pinctrl/pinctrl-cy8c95x0.c +++ b/drivers/pinctrl/pinctrl-cy8c95x0.c @@ -1438,15 +1438,15 @@ static int cy8c95x0_probe(struct i2c_client *client) switch (chip->tpin) { case 20: strscpy(chip->name, cy8c95x0_id[0].name); - regmap_range_conf.range_max = CY8C95X0_VIRTUAL + 3 * MUXED_STRIDE; + regmap_range_conf.range_max = CY8C95X0_VIRTUAL + 3 * MUXED_STRIDE - 1; break; case 40: strscpy(chip->name, cy8c95x0_id[1].name); - regmap_range_conf.range_max = CY8C95X0_VIRTUAL + 6 * MUXED_STRIDE; + regmap_range_conf.range_max = CY8C95X0_VIRTUAL + 6 * MUXED_STRIDE - 1; break; case 60: strscpy(chip->name, cy8c95x0_id[2].name); - regmap_range_conf.range_max = CY8C95X0_VIRTUAL + 8 * MUXED_STRIDE; + regmap_range_conf.range_max = CY8C95X0_VIRTUAL + 8 * MUXED_STRIDE - 1; break; default: return -ENODEV; -- 2.43.0.rc1.1336.g36b5255a03ac