[PATCH] powerpc: Fix Maple build

The changes to the device node structure broke Maple build. This fixes it.
Unfortunately I coudn't test as my Maple board appears to be dead.

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>

3 files changed, 68 insertions, 41 deletions

diff --git a/arch/powerpc/platforms/maple/pci.c b/arch/powerpc/platforms/maple/pci.c
index f40451da037c..7d4099a34f92 100644
--- a/arch/powerpc/platforms/maple/pci.c
+++ b/arch/powerpc/platforms/maple/pci.c
@@ -316,7 +316,6 @@ static int __init add_bridge(struct device_node *dev)
         char* disp_name;
         int *bus_range;
         int primary = 1;
-        struct property *of_prop;
 
         DBG("Adding PCI host bridge %s\n", dev->full_name);
 
diff --git a/arch/powerpc/platforms/maple/setup.c b/arch/powerpc/platforms/maple/setup.c
index a1cb4d236720..ec5c1e10c407 100644
--- a/arch/powerpc/platforms/maple/setup.c
+++ b/arch/powerpc/platforms/maple/setup.c
@@ -71,38 +71,60 @@
 #define DBG(fmt...)
 #endif
 
+static unsigned long maple_find_nvram_base(void)
+{
+        struct device_node *rtcs;
+        unsigned long result = 0;
+
+        /* find NVRAM device */
+        rtcs = of_find_compatible_node(NULL, "nvram", "AMD8111");
+        if (rtcs) {
+                struct resource r;
+                if (of_address_to_resource(rtcs, 0, &r)) {
+                        printk(KERN_EMERG "Maple: Unable to translate NVRAM"
+                               " address\n");
+                        goto bail;
+                }
+                if (!(r.flags & IORESOURCE_IO)) {
+                        printk(KERN_EMERG "Maple: NVRAM address isn't PIO!\n");
+                        goto bail;
+                }
+                result = r.start;
+        } else
+                printk(KERN_EMERG "Maple: Unable to find NVRAM\n");
+ bail:
+        of_node_put(rtcs);
+        return result;
+}
+
 static void maple_restart(char *cmd)
 {
         unsigned int maple_nvram_base;
         unsigned int maple_nvram_offset;
         unsigned int maple_nvram_command;
-        struct device_node *rtcs;
+        struct device_node *sp;
 
-        /* find NVRAM device */
-        rtcs = find_compatible_devices("nvram", "AMD8111");
-        if (rtcs && rtcs->addrs) {
-                maple_nvram_base = rtcs->addrs[0].address;
-        } else {
-                printk(KERN_EMERG "Maple: Unable to find NVRAM\n");
-                printk(KERN_EMERG "Maple: Manual Restart Required\n");
-                return;
-        }
+        maple_nvram_base = maple_find_nvram_base();
+        if (maple_nvram_base == 0)
+                goto fail;
 
         /* find service processor device */
-        rtcs = find_devices("service-processor");
-        if (!rtcs) {
+        sp = of_find_node_by_name(NULL, "service-processor");
+        if (!sp) {
                 printk(KERN_EMERG "Maple: Unable to find Service Processor\n");
-                printk(KERN_EMERG "Maple: Manual Restart Required\n");
-                return;
+                goto fail;
         }
-        maple_nvram_offset = *(unsigned int*) get_property(rtcs,
+        maple_nvram_offset = *(unsigned int*) get_property(sp,
                         "restart-addr", NULL);
-        maple_nvram_command = *(unsigned int*) get_property(rtcs,
+        maple_nvram_command = *(unsigned int*) get_property(sp,
                         "restart-value", NULL);
+        of_node_put(sp);
 
         /* send command */
         outb_p(maple_nvram_command, maple_nvram_base + maple_nvram_offset);
         for (;;) ;
+ fail:
+        printk(KERN_EMERG "Maple: Manual Restart Required\n");
 }
 
 static void maple_power_off(void)
@@ -110,33 +132,29 @@ static void maple_power_off(void)
         unsigned int maple_nvram_base;
         unsigned int maple_nvram_offset;
         unsigned int maple_nvram_command;
-        struct device_node *rtcs;
+        struct device_node *sp;
 
-        /* find NVRAM device */
-        rtcs = find_compatible_devices("nvram", "AMD8111");
-        if (rtcs && rtcs->addrs) {
-                maple_nvram_base = rtcs->addrs[0].address;
-        } else {
-                printk(KERN_EMERG "Maple: Unable to find NVRAM\n");
-                printk(KERN_EMERG "Maple: Manual Power-Down Required\n");
-                return;
-        }
+        maple_nvram_base = maple_find_nvram_base();
+        if (maple_nvram_base == 0)
+                goto fail;
 
         /* find service processor device */
-        rtcs = find_devices("service-processor");
-        if (!rtcs) {
+        sp = of_find_node_by_name(NULL, "service-processor");
+        if (!sp) {
                 printk(KERN_EMERG "Maple: Unable to find Service Processor\n");
-                printk(KERN_EMERG "Maple: Manual Power-Down Required\n");
-                return;
+                goto fail;
         }
-        maple_nvram_offset = *(unsigned int*) get_property(rtcs,
+        maple_nvram_offset = *(unsigned int*) get_property(sp,
                         "power-off-addr", NULL);
-        maple_nvram_command = *(unsigned int*) get_property(rtcs,
+        maple_nvram_command = *(unsigned int*) get_property(sp,
                         "power-off-value", NULL);
+        of_node_put(sp);
 
         /* send command */
         outb_p(maple_nvram_command, maple_nvram_base + maple_nvram_offset);
         for (;;) ;
+ fail:
+        printk(KERN_EMERG "Maple: Manual Power-Down Required\n");
 }
 
 static void maple_halt(void)
@@ -179,9 +197,6 @@ void __init maple_setup_arch(void)
  */
 static void __init maple_init_early(void)
 {
-        unsigned int default_speed;
-        u64 physport;
-
         DBG(" -> maple_init_early\n");
 
         /* Initialize hash table, from now on, we can take hash faults
diff --git a/arch/powerpc/platforms/maple/time.c b/arch/powerpc/platforms/maple/time.c
index 15846cc938ac..50bc4eb85353 100644
--- a/arch/powerpc/platforms/maple/time.c
+++ b/arch/powerpc/platforms/maple/time.c
@@ -168,11 +168,24 @@ unsigned long __init maple_get_boot_time(void)
         struct rtc_time tm;
         struct device_node *rtcs;
 
-        rtcs = find_compatible_devices("rtc", "pnpPNP,b00");
-        if (rtcs && rtcs->addrs) {
-                maple_rtc_addr = rtcs->addrs[0].address;
-                printk(KERN_INFO "Maple: Found RTC at 0x%x\n", maple_rtc_addr);
-        } else {
+        rtcs = of_find_compatible_node(NULL, "rtc", "pnpPNP,b00");
+        if (rtcs) {
+                struct resource r;
+                if (of_address_to_resource(rtcs, 0, &r)) {
+                        printk(KERN_EMERG "Maple: Unable to translate RTC"
+                               " address\n");
+                        goto bail;
+                }
+                if (!(r.flags & IORESOURCE_IO)) {
+                        printk(KERN_EMERG "Maple: RTC address isn't PIO!\n");
+                        goto bail;
+                }
+                maple_rtc_addr = r.start;
+                printk(KERN_INFO "Maple: Found RTC at IO 0x%x\n",
+                       maple_rtc_addr);
+        }
+ bail:
+        if (maple_rtc_addr == 0) {
                 maple_rtc_addr = RTC_PORT(0); /* legacy address */
                 printk(KERN_INFO "Maple: No device node for RTC, assuming "
                        "legacy address (0x%x)\n", maple_rtc_addr);