gpio: dwapb: convert device node to fwnode
This patch converts device node to fwnode for dwapb driver, so
as to provide a unified fwnode for DT and ACPI bindings.
Tested-by: Alan Tull <delicious.quinoa@gmail.com>
Acked-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Jiang Qiu <qiujiang@huawei.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
diff --git a/drivers/gpio/gpio-dwapb.c b/drivers/gpio/gpio-dwapb.c
index 772d743..7517c2f 100644
--- a/drivers/gpio/gpio-dwapb.c
+++ b/drivers/gpio/gpio-dwapb.c
@@ -22,6 +22,7 @@
#include <linux/of_address.h>
#include <linux/of_irq.h>
#include <linux/platform_device.h>
+#include <linux/property.h>
#include <linux/spinlock.h>
#include <linux/platform_data/gpio-dwapb.h>
#include <linux/slab.h>
@@ -290,14 +291,14 @@
struct dwapb_port_property *pp)
{
struct gpio_chip *gc = &port->gc;
- struct device_node *node = pp->node;
+ struct fwnode_handle *fwnode = pp->fwnode;
struct irq_chip_generic *irq_gc = NULL;
unsigned int hwirq, ngpio = gc->ngpio;
struct irq_chip_type *ct;
int err, i;
- gpio->domain = irq_domain_add_linear(node, ngpio,
- &irq_generic_chip_ops, gpio);
+ gpio->domain = irq_domain_create_linear(fwnode, ngpio,
+ &irq_generic_chip_ops, gpio);
if (!gpio->domain)
return;
@@ -415,7 +416,7 @@
}
#ifdef CONFIG_OF_GPIO
- port->gc.of_node = pp->node;
+ port->gc.of_node = to_of_node(pp->fwnode);
#endif
port->gc.ngpio = pp->ngpio;
port->gc.base = pp->gpio_base;
@@ -447,19 +448,15 @@
}
static struct dwapb_platform_data *
-dwapb_gpio_get_pdata_of(struct device *dev)
+dwapb_gpio_get_pdata(struct device *dev)
{
- struct device_node *node, *port_np;
+ struct fwnode_handle *fwnode;
struct dwapb_platform_data *pdata;
struct dwapb_port_property *pp;
int nports;
int i;
- node = dev->of_node;
- if (!IS_ENABLED(CONFIG_OF_GPIO) || !node)
- return ERR_PTR(-ENODEV);
-
- nports = of_get_child_count(node);
+ nports = device_get_child_node_count(dev);
if (nports == 0)
return ERR_PTR(-ENODEV);
@@ -474,18 +471,18 @@
pdata->nports = nports;
i = 0;
- for_each_child_of_node(node, port_np) {
+ device_for_each_child_node(dev, fwnode) {
pp = &pdata->properties[i++];
- pp->node = port_np;
+ pp->fwnode = fwnode;
- if (of_property_read_u32(port_np, "reg", &pp->idx) ||
+ if (fwnode_property_read_u32(fwnode, "reg", &pp->idx) ||
pp->idx >= DWAPB_MAX_PORTS) {
dev_err(dev,
"missing/invalid port index for port%d\n", i);
return ERR_PTR(-EINVAL);
}
- if (of_property_read_u32(port_np, "snps,nr-gpios",
+ if (fwnode_property_read_u32(fwnode, "snps,nr-gpios",
&pp->ngpio)) {
dev_info(dev,
"failed to get number of gpios for port%d\n",
@@ -497,9 +494,10 @@
* Only port A can provide interrupts in all configurations of
* the IP.
*/
- if (pp->idx == 0 &&
- of_property_read_bool(port_np, "interrupt-controller")) {
- pp->irq = irq_of_parse_and_map(port_np, 0);
+ if (dev->of_node && pp->idx == 0 &&
+ 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);
}
@@ -521,7 +519,7 @@
struct dwapb_platform_data *pdata = dev_get_platdata(dev);
if (!pdata) {
- pdata = dwapb_gpio_get_pdata_of(dev);
+ pdata = dwapb_gpio_get_pdata(dev);
if (IS_ERR(pdata))
return PTR_ERR(pdata);
}