#include <asm/of_platform.h>
#include <asm/io.h>
#include <asm/pmi.h>
-
+#include <asm/prom.h>
struct pmi_data {
struct list_head handler;
};
-
-static void __iomem *of_iomap(struct device_node *np)
-{
- struct resource res;
-
- if (of_address_to_resource(np, 0, &res))
- return NULL;
-
- pr_debug("Resource start: 0x%lx\n", res.start);
- pr_debug("Resource end: 0x%lx\n", res.end);
-
- return ioremap(res.start, 1 + res.end - res.start);
-}
-
-
static int pmi_irq_handler(int irq, void *dev_id)
{
struct pmi_data *data;
static struct of_device_id pmi_match[] = {
{ .type = "ibm,pmi", .name = "ibm,pmi" },
+ { .type = "ibm,pmi" },
{},
};
goto out;
}
- data->pmi_reg = of_iomap(np);
+ data->pmi_reg = of_iomap(np, 0);
if (!data->pmi_reg) {
printk(KERN_ERR "pmi: invalid register address.\n");
rc = -EFAULT;
struct pmi_data *data;
data = device->dev.driver_data;
+ if (!data)
+ return;
+
spin_lock(&data->handler_spinlock);
list_add_tail(&handler->node, &data->handler);
spin_unlock(&data->handler_spinlock);
struct pmi_handler *handler)
{
struct pmi_data *data;
+ data = device->dev.driver_data;
- pr_debug("pmi: unregistering handler %p\n", handler);
+ if (!data)
+ return;
- data = device->dev.driver_data;
+ pr_debug("pmi: unregistering handler %p\n", handler);
spin_lock(&data->handler_spinlock);
list_del(&handler->node);