From: Nikita Shubin nikita.shubin@maquefel.me
[ Upstream commit 0f04cdbdb210000a97c773b28b598fa8ac3aafa4 ]
Fix wrong translation of irq numbers in port F handler, as ep93xx hwirqs increased by 1, we should simply decrease them by 1 in translation.
Fixes: 482c27273f52 ("ARM: ep93xx: renumber interrupts") Signed-off-by: Nikita Shubin nikita.shubin@maquefel.me Acked-by: Arnd Bergmann arnd@arndb.de Signed-off-by: Bartosz Golaszewski bartosz.golaszewski@linaro.org Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/gpio/gpio-ep93xx.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpio/gpio-ep93xx.c b/drivers/gpio/gpio-ep93xx.c index 2e1779709113..7edcdc575080 100644 --- a/drivers/gpio/gpio-ep93xx.c +++ b/drivers/gpio/gpio-ep93xx.c @@ -148,7 +148,7 @@ static void ep93xx_gpio_f_irq_handler(struct irq_desc *desc) */ struct irq_chip *irqchip = irq_desc_get_chip(desc); unsigned int irq = irq_desc_get_irq(desc); - int port_f_idx = ((irq + 1) & 7) ^ 4; /* {19..22,47..50} -> {0..7} */ + int port_f_idx = (irq & 7) ^ 4; /* {20..23,48..51} -> {0..7} */ int gpio_irq = EP93XX_GPIO_F_IRQ_BASE + port_f_idx;
chained_irq_enter(irqchip, desc);