@@ -640,7 +640,14 @@ static void microchip_sgpio_irq_unmask(struct irq_data *data)
static void microchip_sgpio_irq_ack(struct irq_data *data)
{
- microchip_sgpio_irq_setreg(data, REG_INT_ACK, false);
+ struct gpio_chip *chip = irq_data_get_irq_chip_data(data);
+ struct sgpio_bank *bank = gpiochip_get_data(chip);
+ unsigned int gpio = irqd_to_hwirq(data);
+ struct sgpio_port_addr addr;
+
+ sgpio_pin_to_addr(bank->priv, gpio, &addr);
+
+ sgpio_writel(bank->priv, BIT(addr.port), REG_INT_ACK, addr.bit);
}
static int microchip_sgpio_irq_set_type(struct irq_data *data, unsigned int type)
The interrupt ack register has the usual "write one to clear" semantics. No read-modify-write is required here. This is also a preparation patch to change the sgpio_clrsetbits() to use regmap_update_bits() which don't write the value if it is not changed. Signed-off-by: Michael Walle <michael@walle.cc> --- drivers/pinctrl/pinctrl-microchip-sgpio.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-)