While we list the "IRQ status *and acknowledge*" registers as volatile, they are missing from the writable range array, so acknowledging any interrupts was met with an -EIO error. Add the five registers that hold those bits to the writable array. Fixes: b5bfc8ab2484 ("mfd: axp20x: Add support for AXP717 PMIC") Reported-by: Chris Morgan <macromorgan@xxxxxxxxxxx> Signed-off-by: Andre Przywara <andre.przywara@xxxxxxx> --- drivers/mfd/axp20x.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/mfd/axp20x.c b/drivers/mfd/axp20x.c index 48ce6ea693cea..d8ad4e120d379 100644 --- a/drivers/mfd/axp20x.c +++ b/drivers/mfd/axp20x.c @@ -210,6 +210,7 @@ static const struct regmap_access_table axp313a_volatile_table = { static const struct regmap_range axp717_writeable_ranges[] = { regmap_reg_range(AXP717_IRQ0_EN, AXP717_IRQ4_EN), + regmap_reg_range(AXP717_IRQ0_STATE, AXP717_IRQ4_STATE), regmap_reg_range(AXP717_DCDC_OUTPUT_CONTROL, AXP717_CPUSLDO_CONTROL), }; -- 2.35.8