[SPARC64]: Probe for power device on ISA bus too.

Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 51 insertions, 13 deletions

diff --git a/arch/sparc64/kernel/power.c b/arch/sparc64/kernel/power.c
index 946cee0257ea..9e8362ea3104 100644
--- a/arch/sparc64/kernel/power.c
+++ b/arch/sparc64/kernel/power.c
@@ -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 {