From: Sander Vanheule sander@svanheule.net
[ Upstream commit 585a07079909ba9061ddd88214c36653e1aef71a ]
The irqchip uses one domain for all GPIO lines, so the line offset should be determined w.r.t. the first line of the first port, not the first line of the triggered port.
Fixes: 0d82fb1127fb ("gpio: Add Realtek Otto GPIO support") Signed-off-by: Sander Vanheule sander@svanheule.net Signed-off-by: Bartosz Golaszewski brgl@bgdev.pl Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/gpio/gpio-realtek-otto.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpio/gpio-realtek-otto.c b/drivers/gpio/gpio-realtek-otto.c index cb64fb5a51aa1..e0cbaa1ea22ec 100644 --- a/drivers/gpio/gpio-realtek-otto.c +++ b/drivers/gpio/gpio-realtek-otto.c @@ -206,7 +206,7 @@ static void realtek_gpio_irq_handler(struct irq_desc *desc) status = realtek_gpio_read_isr(ctrl, lines_done / 8); port_pin_count = min(gc->ngpio - lines_done, 8U); for_each_set_bit(offset, &status, port_pin_count) { - irq = irq_find_mapping(gc->irq.domain, offset); + irq = irq_find_mapping(gc->irq.domain, offset + lines_done); generic_handle_irq(irq); } }