[SPARC64]: Two IRQ handling fixes.

On SUN4V, force IRQ state to idle in enable_irq().  However,
I'm still not sure this is %100 correct.

Call add_interrupt_randomness() on SUN4V too.

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

1 files changed, 8 insertions, 3 deletions

diff --git a/arch/sparc64/kernel/irq.c b/arch/sparc64/kernel/irq.c
index c786d2549bce..4d9931d124ab 100644
--- a/arch/sparc64/kernel/irq.c
+++ b/arch/sparc64/kernel/irq.c
@@ -164,6 +164,10 @@ void enable_irq(unsigned int irq)
                 if (err != HV_EOK)
                         printk("sun4v_intr_setenabled(%x): err(%d)\n",
                                ino, err);
+                err = sun4v_intr_setstate(ino, HV_INTR_STATE_IDLE);
+                if (err != HV_EOK)
+                        printk("sun4v_intr_setstate(%x): "
+                               "err(%d)\n", ino, err);
         } else {
                 if (tlb_type == cheetah || tlb_type == cheetah_plus) {
                         unsigned long ver;
@@ -663,10 +667,11 @@ static void process_bucket(int irq, struct ino_bucket *bp, struct pt_regs *regs)
                                        "err(%d)\n", ino, err);
                 } else {
                         upa_writel(ICLR_IDLE, bp->iclr);
-                        /* Test and add entropy */
-                        if (random & SA_SAMPLE_RANDOM)
-                                add_interrupt_randomness(irq);
                 }
+
+                /* Test and add entropy */
+                if (random & SA_SAMPLE_RANDOM)
+                        add_interrupt_randomness(irq);
         }
 out:
         bp->flags &= ~IBF_INPROGRESS;