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path: root/drivers/gpio/gpio-dwapb.c
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Diffstat (limited to 'drivers/gpio/gpio-dwapb.c')
-rw-r--r--drivers/gpio/gpio-dwapb.c57
1 files changed, 35 insertions, 22 deletions
diff --git a/drivers/gpio/gpio-dwapb.c b/drivers/gpio/gpio-dwapb.c
index 226977f78482..7a2de3de6571 100644
--- a/drivers/gpio/gpio-dwapb.c
+++ b/drivers/gpio/gpio-dwapb.c
@@ -441,14 +441,19 @@ static void dwapb_configure_irqs(struct dwapb_gpio *gpio,
irq_gc->chip_types[1].handler = handle_edge_irq;
if (!pp->irq_shared) {
- irq_set_chained_handler_and_data(pp->irq, dwapb_irq_handler,
- gpio);
+ int i;
+
+ for (i = 0; i < pp->ngpio; i++) {
+ if (pp->irq[i] >= 0)
+ irq_set_chained_handler_and_data(pp->irq[i],
+ dwapb_irq_handler, gpio);
+ }
} else {
/*
* Request a shared IRQ since where MFD would have devices
* using the same irq pin
*/
- err = devm_request_irq(gpio->dev, pp->irq,
+ err = devm_request_irq(gpio->dev, pp->irq[0],
dwapb_irq_handler_mfd,
IRQF_SHARED, "gpio-dwapb-mfd", gpio);
if (err) {
@@ -524,7 +529,7 @@ static int dwapb_gpio_add_port(struct dwapb_gpio *gpio,
if (pp->idx == 0)
port->gc.set_config = dwapb_gpio_set_config;
- if (pp->irq)
+ if (pp->has_irq)
dwapb_configure_irqs(gpio, port, pp);
err = gpiochip_add_data(&port->gc, port);
@@ -535,7 +540,7 @@ static int dwapb_gpio_add_port(struct dwapb_gpio *gpio,
port->is_registered = true;
/* Add GPIO-signaled ACPI event support */
- if (pp->irq)
+ if (pp->has_irq)
acpi_gpiochip_request_interrupts(&port->gc);
return err;
@@ -557,7 +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)
@@ -575,6 +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;
@@ -594,23 +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,
+ if (pp->idx != 0)
+ continue;
+
+ if (dev->of_node && fwnode_property_read_bool(fwnode,
"interrupt-controller")) {
- pp->irq = irq_of_parse_and_map(to_of_node(fwnode), 0);
- if (!pp->irq)
- dev_warn(dev, "no irq for port%d\n", pp->idx);
+ np = to_of_node(fwnode);
}
- if (has_acpi_companion(dev) && pp->idx == 0)
- pp->irq = platform_get_irq(to_platform_device(dev), 0);
+ for (j = 0; j < pp->ngpio; j++) {
+ pp->irq[j] = -ENXIO;
- pp->irq_shared = false;
- pp->gpio_base = -1;
+ 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] >= 0)
+ pp->has_irq = true;
+ }
+
+ if (!pp->has_irq)
+ dev_warn(dev, "no irq for port%d\n", pp->idx);
}
return pdata;
@@ -684,13 +703,7 @@ static int dwapb_gpio_probe(struct platform_device *pdev)
gpio->flags = 0;
if (dev->of_node) {
- const struct of_device_id *of_devid;
-
- of_devid = of_match_device(dwapb_of_match, dev);
- if (of_devid) {
- if (of_devid->data)
- gpio->flags = (uintptr_t)of_devid->data;
- }
+ gpio->flags = (uintptr_t)of_device_get_match_data(dev);
} else if (has_acpi_companion(dev)) {
const struct acpi_device_id *acpi_id;