[PATCH] ppc64: Fix wrong register mapping in mpic driver

[pandora-kernel.git] / arch / ppc64 / kernel / mpic.c

diff --git a/arch/ppc64/kernel/mpic.c b/arch/ppc64/kernel/mpic.c
index e8fbab1..5f5bc73 100644 (file)
--- a/arch/ppc64/kernel/mpic.c
+++ b/arch/ppc64/kernel/mpic.c
@@ -506,8 +506,8 @@ struct mpic * __init mpic_alloc(unsigned long phys_addr,
        mpic->senses_count = senses_count;
 
        /* Map the global registers */
-       mpic->gregs = ioremap(phys_addr + MPIC_GREG_BASE, 0x1000);
-       mpic->tmregs = mpic->gregs + (MPIC_TIMER_BASE >> 2);
+       mpic->gregs = ioremap(phys_addr + MPIC_GREG_BASE, 0x2000);
+       mpic->tmregs = mpic->gregs + ((MPIC_TIMER_BASE - MPIC_GREG_BASE) >> 2);
        BUG_ON(mpic->gregs == NULL);
 
        /* Reset */
@@ -794,10 +794,10 @@ void mpic_setup_this_cpu(void)
 
 /*
  * XXX: someone who knows mpic should check this.
- * do we need to eoi the ipi here (see xics comments)?
+ * do we need to eoi the ipi including for kexec cpu here (see xics comments)?
  * or can we reset the mpic in the new kernel?
  */
-void mpic_teardown_this_cpu(void)
+void mpic_teardown_this_cpu(int secondary)
 {
        struct mpic *mpic = mpic_primary;
        unsigned long flags;