Merge master.kernel.org:/pub/scm/linux/kernel/git/bart/ide-2.6

[cascardo/linux.git] / drivers / parisc / iosapic.c

diff --git a/drivers/parisc/iosapic.c b/drivers/parisc/iosapic.c
index 7a57c1b..19657ef 100644 (file)
--- a/drivers/parisc/iosapic.c
+++ b/drivers/parisc/iosapic.c
@@ -244,7 +244,7 @@ static struct irt_entry *iosapic_alloc_irt(int num_entries)
         * 4-byte alignment on 32-bit kernels
         */
        a = (unsigned long)kmalloc(sizeof(struct irt_entry) * num_entries + 8, GFP_KERNEL);
-       a = (a + 7) & ~7;
+       a = (a + 7UL) & ~7UL;
        return (struct irt_entry *)a;
 }
 
@@ -700,6 +700,28 @@ static unsigned int iosapic_startup_irq(unsigned int irq)
        return 0;
 }
 
+#ifdef CONFIG_SMP
+static void iosapic_set_affinity_irq(unsigned int irq, cpumask_t dest)
+{
+       struct vector_info *vi = iosapic_get_vector(irq);
+       u32 d0, d1, dummy_d0;
+       unsigned long flags;
+
+       if (cpu_check_affinity(irq, &dest))
+               return;
+
+       vi->txn_addr = txn_affinity_addr(irq, first_cpu(dest));
+
+       spin_lock_irqsave(&iosapic_lock, flags);
+       /* d1 contains the destination CPU, so only want to set that
+        * entry */
+       iosapic_rd_irt_entry(vi, &d0, &d1);
+       iosapic_set_irt_data(vi, &dummy_d0, &d1);
+       iosapic_wr_irt_entry(vi, d0, d1);
+       spin_unlock_irqrestore(&iosapic_lock, flags);
+}
+#endif
+
 static struct hw_interrupt_type iosapic_interrupt_type = {
        .typename =     "IO-SAPIC-level",
        .startup =      iosapic_startup_irq,
@@ -708,7 +730,9 @@ static struct hw_interrupt_type iosapic_interrupt_type = {
        .disable =      iosapic_disable_irq,
        .ack =          no_ack_irq,
        .end =          iosapic_end_irq,
-//     .set_affinity = iosapic_set_affinity_irq,
+#ifdef CONFIG_SMP
+       .set_affinity = iosapic_set_affinity_irq,
+#endif
 };
 
 int iosapic_fixup_irq(void *isi_obj, struct pci_dev *pcidev)