[SPARC64]: Probe for power device on ISA bus too.
authorDavid S. Miller <davem@sunset.davemloft.net>
Fri, 7 Oct 2005 03:43:54 +0000 (20:43 -0700)
committerDavid S. Miller <davem@sunset.davemloft.net>
Fri, 7 Oct 2005 03:43:54 +0000 (20:43 -0700)
Signed-off-by: David S. Miller <davem@davemloft.net>
arch/sparc64/kernel/power.c

index 946cee0..9e8362e 100644 (file)
@@ -17,6 +17,7 @@
 
 #include <asm/system.h>
 #include <asm/ebus.h>
+#include <asm/isa.h>
 #include <asm/auxio.h>
 
 #include <linux/unistd.h>
@@ -100,46 +101,83 @@ again:
        return 0;
 }
 
-static int __init has_button_interrupt(struct linux_ebus_device *edev)
+static int __init has_button_interrupt(unsigned int irq, int prom_node)
 {
-       if (edev->irqs[0] == PCI_IRQ_NONE)
+       if (irq == PCI_IRQ_NONE)
                return 0;
-       if (!prom_node_has_property(edev->prom_node, "button"))
+       if (!prom_node_has_property(prom_node, "button"))
                return 0;
 
        return 1;
 }
 
-void __init power_init(void)
+static int __init power_probe_ebus(struct resource **resp, unsigned int *irq_p, int *prom_node_p)
 {
        struct linux_ebus *ebus;
        struct linux_ebus_device *edev;
+
+       for_each_ebus(ebus) {
+               for_each_ebusdev(edev, ebus) {
+                       if (!strcmp(edev->prom_name, "power")) {
+                               *resp = &edev->resource[0];
+                               *irq_p = edev->irqs[0];
+                               *prom_node_p = edev->prom_node;
+                               return 0;
+                       }
+               }
+       }
+       return -ENODEV;
+}
+
+static int __init power_probe_isa(struct resource **resp, unsigned int *irq_p, int *prom_node_p)
+{
+       struct sparc_isa_bridge *isa_bus;
+       struct sparc_isa_device *isa_dev;
+
+       for_each_isa(isa_bus) {
+               for_each_isadev(isa_dev, isa_bus) {
+                       if (!strcmp(isa_dev->prom_name, "power")) {
+                               *resp = &isa_dev->resource;
+                               *irq_p = isa_dev->irq;
+                               *prom_node_p = isa_dev->prom_node;
+                               return 0;
+                       }
+               }
+       }
+       return -ENODEV;
+}
+
+void __init power_init(void)
+{
+       struct resource *res = NULL;
+       unsigned int irq;
+       int prom_node;
        static int invoked;
 
        if (invoked)
                return;
        invoked = 1;
 
-       for_each_ebus(ebus) {
-               for_each_ebusdev(edev, ebus) {
-                       if (!strcmp(edev->prom_name, "power"))
-                               goto found;
-               }
-       }
+       if (!power_probe_ebus(&res, &irq, &prom_node))
+               goto found;
+
+       if (!power_probe_isa(&res, &irq, &prom_node))
+               goto found;
+
        return;
 
 found:
-       power_reg = ioremap(edev->resource[0].start, 0x4);
+       power_reg = ioremap(res->start, 0x4);
        printk("power: Control reg at %p ... ", power_reg);
        poweroff_method = machine_halt;  /* able to use the standard halt */
-       if (has_button_interrupt(edev)) {
+       if (has_button_interrupt(irq, prom_node)) {
                if (kernel_thread(powerd, NULL, CLONE_FS) < 0) {
                        printk("Failed to start power daemon.\n");
                        return;
                }
                printk("powerd running.\n");
 
-               if (request_irq(edev->irqs[0],
+               if (request_irq(irq,
                                power_handler, SA_SHIRQ, "power", NULL) < 0)
                        printk("power: Error, cannot register IRQ handler.\n");
        } else {