sparc32: Convert sun4d IRQ code to use generic device tree probing.

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

1 files changed, 48 insertions, 35 deletions

diff --git a/arch/sparc/kernel/sun4d_irq.c b/arch/sparc/kernel/sun4d_irq.c
index 1290b5998f83..7424967142f0 100644
--- a/arch/sparc/kernel/sun4d_irq.c
+++ b/arch/sparc/kernel/sun4d_irq.c
@@ -409,47 +409,55 @@ static void sun4d_set_udt(int cpu)
 /* Setup IRQ distribution scheme. */
 void __init sun4d_distribute_irqs(void)
 {
+        struct device_node *dp;
+
 #ifdef DISTRIBUTE_IRQS
-        struct sbus_bus *sbus;
-        unsigned long sbus_serving_map;
+        cpumask_t sbus_serving_map;
 
         sbus_serving_map = cpu_present_map;
-        for_each_sbus(sbus) {
-                if ((sbus->board * 2) == boot_cpu_id && (cpu_present_map & (1 << (sbus->board * 2 + 1))))
-                        sbus_tid[sbus->board] = (sbus->board * 2 + 1);
-                else if (cpu_present_map & (1 << (sbus->board * 2)))
-                        sbus_tid[sbus->board] = (sbus->board * 2);
-                else if (cpu_present_map & (1 << (sbus->board * 2 + 1)))
-                        sbus_tid[sbus->board] = (sbus->board * 2 + 1);
+        for_each_node_by_name(dp, "sbi") {
+                int board = of_getintprop_default(dp, "board#", 0);
+
+                if ((board * 2) == boot_cpu_id && cpu_isset(board * 2 + 1, cpu_present_map))
+                        sbus_tid[board] = (board * 2 + 1);
+                else if (cpu_isset(board * 2, cpu_present_map))
+                        sbus_tid[board] = (board * 2);
+                else if (cpu_isset(board * 2 + 1, cpu_present_map))
+                        sbus_tid[board] = (board * 2 + 1);
                 else
-                        sbus_tid[sbus->board] = 0xff;
-                if (sbus_tid[sbus->board] != 0xff)
-                        sbus_serving_map &= ~(1 << sbus_tid[sbus->board]);
+                        sbus_tid[board] = 0xff;
+                if (sbus_tid[board] != 0xff)
+                        cpu_clear(sbus_tid[board], sbus_serving_map);
         }
-        for_each_sbus(sbus)
-                if (sbus_tid[sbus->board] == 0xff) {
+        for_each_node_by_name(dp, "sbi") {
+                int board = of_getintprop_default(dp, "board#", 0);
+                if (sbus_tid[board] == 0xff) {
                         int i = 31;
                                 
-                        if (!sbus_serving_map)
+                        if (cpus_empty(sbus_serving_map))
                                 sbus_serving_map = cpu_present_map;
-                        while (!(sbus_serving_map & (1 << i)))
+                        while (cpu_isset(i, sbus_serving_map))
                                 i--;
-                        sbus_tid[sbus->board] = i;
-                        sbus_serving_map &= ~(1 << i);
+                        sbus_tid[board] = i;
+                        cpu_clear(i, sbus_serving_map);
                 }
-        for_each_sbus(sbus) {
-                printk("sbus%d IRQs directed to CPU%d\n", sbus->board, sbus_tid[sbus->board]);
-                set_sbi_tid(sbus->devid, sbus_tid[sbus->board] << 3);
+        }
+        for_each_node_by_name(dp, "sbi") {
+                int devid = of_getintprop_default(dp, "device-id", 0);
+                int board = of_getintprop_default(dp, "board#", 0);
+                printk("sbus%d IRQs directed to CPU%d\n", board, sbus_tid[board]);
+                set_sbi_tid(devid, sbus_tid[board] << 3);
         }
 #else
-        struct sbus_bus *sbus;
         int cpuid = cpu_logical_map(1);
 
         if (cpuid == -1)
                 cpuid = cpu_logical_map(0);
-        for_each_sbus(sbus) {
-                sbus_tid[sbus->board] = cpuid;
-                set_sbi_tid(sbus->devid, cpuid << 3);
+        for_each_node_by_name(dp, "sbi") {
+                int devid = of_getintprop_default(dp, "device-id", 0);
+                int board = of_getintprop_default(dp, "board#", 0);
+                sbus_tid[board] = cpuid;
+                set_sbi_tid(devid, cpuid << 3);
         }
         printk("All sbus IRQs directed to CPU%d\n", cpuid);
 #endif
@@ -541,29 +549,34 @@ static void __init sun4d_init_timers(irq_handler_t counter_fn)
 
 void __init sun4d_init_sbi_irq(void)
 {
-        struct sbus_bus *sbus;
-        unsigned mask;
+        struct device_node *dp;
 
         nsbi = 0;
-        for_each_sbus(sbus)
+        for_each_node_by_name(dp, "sbi")
                 nsbi++;
         sbus_actions = kzalloc (nsbi * 8 * 4 * sizeof(struct sbus_action), GFP_ATOMIC);
         if (!sbus_actions) {
                 prom_printf("SUN4D: Cannot allocate sbus_actions, halting.\n");
                 prom_halt();
         }
-        for_each_sbus(sbus) {
+        for_each_node_by_name(dp, "sbi") {
+                int devid = of_getintprop_default(dp, "device-id", 0);
+                int board = of_getintprop_default(dp, "board#", 0);
+                unsigned int mask;
+
 #ifdef CONFIG_SMP       
-                extern unsigned char boot_cpu_id;
+                {
+                        extern unsigned char boot_cpu_id;
                 
-                set_sbi_tid(sbus->devid, boot_cpu_id << 3);
-                sbus_tid[sbus->board] = boot_cpu_id;
+                        set_sbi_tid(devid, boot_cpu_id << 3);
+                        sbus_tid[board] = boot_cpu_id;
+                }
 #endif
                 /* Get rid of pending irqs from PROM */
-                mask = acquire_sbi(sbus->devid, 0xffffffff);
+                mask = acquire_sbi(devid, 0xffffffff);
                 if (mask) {
-                        printk ("Clearing pending IRQs %08x on SBI %d\n", mask, sbus->board);
-                        release_sbi(sbus->devid, mask);
+                        printk ("Clearing pending IRQs %08x on SBI %d\n", mask, board);
+                        release_sbi(devid, mask);
                 }
         }
 }