diff options
| -rw-r--r-- | drivers/gpio/gpio-dwapb.c | 53 |
1 files changed, 22 insertions, 31 deletions
diff --git a/drivers/gpio/gpio-dwapb.c b/drivers/gpio/gpio-dwapb.c index 494df023271e..7a2de3de6571 100644 --- a/drivers/gpio/gpio-dwapb.c +++ b/drivers/gpio/gpio-dwapb.c @@ -444,7 +444,7 @@ static void dwapb_configure_irqs(struct dwapb_gpio *gpio, int i; for (i = 0; i < pp->ngpio; i++) { - if (pp->irq[i]) + if (pp->irq[i] >= 0) irq_set_chained_handler_and_data(pp->irq[i], dwapb_irq_handler, gpio); } @@ -562,7 +562,7 @@ dwapb_gpio_get_pdata(struct device *dev) struct dwapb_platform_data *pdata; struct dwapb_port_property *pp; int nports; - int i; + int i, j; nports = device_get_child_node_count(dev); if (nports == 0) @@ -580,6 +580,8 @@ dwapb_gpio_get_pdata(struct device *dev) i = 0; device_for_each_child_node(dev, fwnode) { + struct device_node *np = NULL; + pp = &pdata->properties[i++]; pp->fwnode = fwnode; @@ -599,46 +601,35 @@ dwapb_gpio_get_pdata(struct device *dev) pp->ngpio = 32; } + pp->irq_shared = false; + pp->gpio_base = -1; + /* * Only port A can provide interrupts in all configurations of * the IP. */ - if (dev->of_node && pp->idx == 0 && - fwnode_property_read_bool(fwnode, - "interrupt-controller")) { - struct device_node *np = to_of_node(fwnode); - unsigned int j; - - /* - * The IP has configuration options to allow a single - * combined interrupt or one per gpio. If one per gpio, - * some might not be used. - */ - for (j = 0; j < pp->ngpio; j++) { - int irq = of_irq_get(np, j); - if (irq < 0) - continue; - - pp->irq[j] = irq; - pp->has_irq = true; - } + if (pp->idx != 0) + continue; - if (!pp->has_irq) - dev_warn(dev, "no irq for port%d\n", pp->idx); + if (dev->of_node && fwnode_property_read_bool(fwnode, + "interrupt-controller")) { + np = to_of_node(fwnode); } - if (has_acpi_companion(dev) && pp->idx == 0) { - unsigned int j; + for (j = 0; j < pp->ngpio; j++) { + pp->irq[j] = -ENXIO; - for (j = 0; j < pp->ngpio; j++) { + if (np) + pp->irq[j] = of_irq_get(np, j); + else if (has_acpi_companion(dev)) pp->irq[j] = platform_get_irq(to_platform_device(dev), j); - if (pp->irq[j]) - pp->has_irq = true; - } + + if (pp->irq[j] >= 0) + pp->has_irq = true; } - pp->irq_shared = false; - pp->gpio_base = -1; + if (!pp->has_irq) + dev_warn(dev, "no irq for port%d\n", pp->idx); } return pdata; |