diff options
Diffstat (limited to 'drivers/gpio/gpio-dwapb.c')
| -rw-r--r-- | drivers/gpio/gpio-dwapb.c | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/drivers/gpio/gpio-dwapb.c b/drivers/gpio/gpio-dwapb.c index d3765672c42b..1d8d55bd63aa 100644 --- a/drivers/gpio/gpio-dwapb.c +++ b/drivers/gpio/gpio-dwapb.c @@ -366,6 +366,11 @@ static void dwapb_configure_irqs(struct dwapb_gpio *gpio, irq_hw_number_t hwirq; int err, i; + if (memchr_inv(pp->irq, 0, sizeof(pp->irq)) == NULL) { + dev_warn(gpio->dev, "no IRQ for port%d\n", pp->idx); + return; + } + gpio->domain = irq_domain_create_linear(fwnode, ngpio, &irq_generic_chip_ops, gpio); if (!gpio->domain) @@ -501,7 +506,8 @@ static int dwapb_gpio_add_port(struct dwapb_gpio *gpio, if (pp->idx == 0) port->gc.set_config = dwapb_gpio_set_config; - if (pp->has_irq) + /* Only port A can provide interrupts in all configurations of the IP */ + if (pp->idx == 0) dwapb_configure_irqs(gpio, port, pp); err = gpiochip_add_data(&port->gc, port); @@ -550,13 +556,7 @@ static void dwapb_get_irq(struct device *dev, struct fwnode_handle *fwnode, irq = platform_get_irq_optional(to_platform_device(dev), j); if (irq > 0) pp->irq[j] = irq; - - if (pp->irq[j]) - pp->has_irq = true; } - - if (!pp->has_irq) - dev_warn(dev, "no irq for port%d\n", pp->idx); } static struct dwapb_platform_data *dwapb_gpio_get_pdata(struct device *dev) |