Merge git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6

[linux-2.6-omap-h63xx.git] / arch / ia64 / kernel / iosapic.c

diff --git a/arch/ia64/kernel/iosapic.c b/arch/ia64/kernel/iosapic.c
index cfe4654838f445423455979bca494d0e8fd1394a..082c31dcfd998d83448d52559161805ca240be49 100644 (file)
--- a/arch/ia64/kernel/iosapic.c
+++ b/arch/ia64/kernel/iosapic.c
@@ -199,19 +199,6 @@ static inline int __gsi_to_irq(unsigned int gsi)
        return -1;
 }
 
-/*
- * Translate GSI number to the corresponding IA-64 interrupt vector.  If no
- * entry exists, return -1.
- */
-inline int
-gsi_to_vector (unsigned int gsi)
-{
-       int irq = __gsi_to_irq(gsi);
-       if (check_irq_used(irq) < 0)
-               return -1;
-       return irq_to_vector(irq);
-}
-
 int
 gsi_to_irq (unsigned int gsi)
 {
@@ -358,7 +345,7 @@ iosapic_set_affinity (unsigned int irq, cpumask_t mask)
        if (cpus_empty(mask))
                return;
 
-       if (reassign_irq_vector(irq, first_cpu(mask)))
+       if (irq_prepare_move(irq, first_cpu(mask)))
                return;
 
        dest = cpu_physical_id(first_cpu(mask));
@@ -410,6 +397,7 @@ iosapic_end_level_irq (unsigned int irq)
        struct iosapic_rte_info *rte;
        int do_unmask_irq = 0;
 
+       irq_complete_move(irq);
        if (unlikely(irq_desc[irq].status & IRQ_MOVE_PENDING)) {
                do_unmask_irq = 1;
                mask_irq(irq);
@@ -429,7 +417,7 @@ iosapic_end_level_irq (unsigned int irq)
 #define iosapic_disable_level_irq      mask_irq
 #define iosapic_ack_level_irq          nop
 
-struct irq_chip irq_type_iosapic_level = {
+static struct irq_chip irq_type_iosapic_level = {
        .name =         "IO-SAPIC-level",
        .startup =      iosapic_startup_level_irq,
        .shutdown =     iosapic_shutdown_level_irq,
@@ -463,6 +451,7 @@ iosapic_ack_edge_irq (unsigned int irq)
 {
        irq_desc_t *idesc = irq_desc + irq;
 
+       irq_complete_move(irq);
        move_native_irq(irq);
        /*
         * Once we have recorded IRQ_PENDING already, we can mask the
@@ -478,7 +467,7 @@ iosapic_ack_edge_irq (unsigned int irq)
 #define iosapic_disable_edge_irq       nop
 #define iosapic_end_edge_irq           nop
 
-struct irq_chip irq_type_iosapic_edge = {
+static struct irq_chip irq_type_iosapic_edge = {
        .name =         "IO-SAPIC-edge",
        .startup =      iosapic_startup_edge_irq,
        .shutdown =     iosapic_disable_edge_irq,
@@ -491,7 +480,7 @@ struct irq_chip irq_type_iosapic_edge = {
        .set_affinity = iosapic_set_affinity
 };
 
-unsigned int
+static unsigned int
 iosapic_version (char __iomem *addr)
 {
        /*
@@ -545,7 +534,7 @@ iosapic_reassign_vector (int irq)
        if (iosapic_intr_info[irq].count) {
                new_irq = create_irq();
                if (new_irq < 0)
-                       panic("%s: out of interrupt vectors!\n", __FUNCTION__);
+                       panic("%s: out of interrupt vectors!\n", __func__);
                printk(KERN_INFO "Reassigning vector %d to %d\n",
                       irq_to_vector(irq), irq_to_vector(new_irq));
                memcpy(&iosapic_intr_info[new_irq], &iosapic_intr_info[irq],
@@ -610,7 +599,7 @@ register_intr (unsigned int gsi, int irq, unsigned char delivery,
        index = find_iosapic(gsi);
        if (index < 0) {
                printk(KERN_WARNING "%s: No IOSAPIC for GSI %u\n",
-                      __FUNCTION__, gsi);
+                      __func__, gsi);
                return -ENODEV;
        }
 
@@ -619,7 +608,7 @@ register_intr (unsigned int gsi, int irq, unsigned char delivery,
                rte = iosapic_alloc_rte();
                if (!rte) {
                        printk(KERN_WARNING "%s: cannot allocate memory\n",
-                              __FUNCTION__);
+                              __func__);
                        return -ENOMEM;
                }
 
@@ -636,7 +625,7 @@ register_intr (unsigned int gsi, int irq, unsigned char delivery,
                    (info->trigger != trigger || info->polarity != polarity)){
                        printk (KERN_WARNING
                                "%s: cannot override the interrupt\n",
-                               __FUNCTION__);
+                               __func__);
                        return -EINVAL;
                }
                rte->refcnt++;
@@ -658,7 +647,7 @@ register_intr (unsigned int gsi, int irq, unsigned char delivery,
                if (idesc->chip != &no_irq_type)
                        printk(KERN_WARNING
                               "%s: changing vector %d from %s to %s\n",
-                              __FUNCTION__, irq_to_vector(irq),
+                              __func__, irq_to_vector(irq),
                               idesc->chip->name, irq_type->name);
                idesc->chip = irq_type;
        }
@@ -748,6 +737,15 @@ skip_numa_setup:
 #endif
 }
 
+static inline unsigned char choose_dmode(void)
+{
+#ifdef CONFIG_SMP
+       if (smp_int_redirect & SMP_IRQ_REDIRECTION)
+               return IOSAPIC_LOWEST_PRIORITY;
+#endif
+       return IOSAPIC_FIXED;
+}
+
 /*
  * ACPI can describe IOSAPIC interrupts via static tables and namespace
  * methods.  This provides an interface to register those interrupts and
@@ -762,6 +760,7 @@ iosapic_register_intr (unsigned int gsi,
        unsigned long flags;
        struct iosapic_rte_info *rte;
        u32 low32;
+       unsigned char dmode;
 
        /*
         * If this GSI has already been registered (i.e., it's a
@@ -791,8 +790,8 @@ iosapic_register_intr (unsigned int gsi,
 
        spin_lock(&irq_desc[irq].lock);
        dest = get_target_cpu(gsi, irq);
-       err = register_intr(gsi, irq, IOSAPIC_LOWEST_PRIORITY,
-                           polarity, trigger);
+       dmode = choose_dmode();
+       err = register_intr(gsi, irq, dmode, polarity, trigger);
        if (err < 0) {
                spin_unlock(&irq_desc[irq].lock);
                irq = err;
@@ -921,18 +920,18 @@ iosapic_register_platform_intr (u32 int_type, unsigned int gsi,
              case ACPI_INTERRUPT_INIT:
                irq = create_irq();
                if (irq < 0)
-                       panic("%s: out of interrupt vectors!\n", __FUNCTION__);
+                       panic("%s: out of interrupt vectors!\n", __func__);
                vector = irq_to_vector(irq);
                delivery = IOSAPIC_INIT;
                break;
              case ACPI_INTERRUPT_CPEI:
                irq = vector = IA64_CPE_VECTOR;
                BUG_ON(bind_irq_vector(irq, vector, CPU_MASK_ALL));
-               delivery = IOSAPIC_LOWEST_PRIORITY;
+               delivery = IOSAPIC_FIXED;
                mask = 1;
                break;
              default:
-               printk(KERN_ERR "%s: invalid int type 0x%x\n", __FUNCTION__,
+               printk(KERN_ERR "%s: invalid int type 0x%x\n", __func__,
                       int_type);
                return -1;
        }
@@ -961,10 +960,12 @@ iosapic_override_isa_irq (unsigned int isa_irq, unsigned int gsi,
 {
        int vector, irq;
        unsigned int dest = cpu_physical_id(smp_processor_id());
+       unsigned char dmode;
 
        irq = vector = isa_irq_to_vector(isa_irq);
        BUG_ON(bind_irq_vector(irq, vector, CPU_MASK_ALL));
-       register_intr(gsi, irq, IOSAPIC_LOWEST_PRIORITY, polarity, trigger);
+       dmode = choose_dmode();
+       register_intr(gsi, irq, dmode, polarity, trigger);
 
        DBG("ISA: IRQ %u -> GSI %u (%s,%s) -> CPU %d (0x%04x) vector %d\n",
            isa_irq, gsi, trigger == IOSAPIC_EDGE ? "edge" : "level",
@@ -995,7 +996,7 @@ iosapic_system_init (int system_pcat_compat)
                 */
                printk(KERN_INFO
                       "%s: Disabling PC-AT compatible 8259 interrupts\n",
-                      __FUNCTION__);
+                      __func__);
                outb(0xff, 0xA1);
                outb(0xff, 0x21);
        }
@@ -1010,7 +1011,7 @@ iosapic_alloc (void)
                if (!iosapic_lists[index].addr)
                        return index;
 
-       printk(KERN_WARNING "%s: failed to allocate iosapic\n", __FUNCTION__);
+       printk(KERN_WARNING "%s: failed to allocate iosapic\n", __func__);
        return -1;
 }
 
@@ -1108,14 +1109,14 @@ iosapic_remove (unsigned int gsi_base)
        index = find_iosapic(gsi_base);
        if (index < 0) {
                printk(KERN_WARNING "%s: No IOSAPIC for GSI base %u\n",
-                      __FUNCTION__, gsi_base);
+                      __func__, gsi_base);
                goto out;
        }
 
        if (iosapic_lists[index].rtes_inuse) {
                err = -EBUSY;
                printk(KERN_WARNING "%s: IOSAPIC for GSI base %u is busy\n",
-                      __FUNCTION__, gsi_base);
+                      __func__, gsi_base);
                goto out;
        }
 
@@ -1136,7 +1137,7 @@ map_iosapic_to_node(unsigned int gsi_base, int node)
        index = find_iosapic(gsi_base);
        if (index < 0) {
                printk(KERN_WARNING "%s: No IOSAPIC for GSI %u\n",
-                      __FUNCTION__, gsi_base);
+                      __func__, gsi_base);
                return;
        }
        iosapic_lists[index].node = node;