Merge branch 'drm-patches' of master.kernel.org:/pub/scm/linux/kernel/git/airlied...

[sfrench/cifs-2.6.git] / arch / sparc64 / kernel / irq.c

diff --git a/arch/sparc64/kernel/irq.c b/arch/sparc64/kernel/irq.c
index b5ff3ee5ace1cc23d3a86cd50878568b505ea7d8..3edc18e1b818da7dda4032634c1360b6e1c94072 100644 (file)
--- a/arch/sparc64/kernel/irq.c
+++ b/arch/sparc64/kernel/irq.c
@@ -109,6 +109,7 @@ static unsigned char virt_irq_alloc(unsigned int real_irq)
        return ent;
 }
 
+#ifdef CONFIG_PCI_MSI
 static void virt_irq_free(unsigned int virt_irq)
 {
        unsigned int real_irq;
@@ -121,6 +122,7 @@ static void virt_irq_free(unsigned int virt_irq)
 
        __bucket(real_irq)->virt_irq = 0;
 }
+#endif
 
 static unsigned int virt_to_real_irq(unsigned char virt_irq)
 {
@@ -277,7 +279,7 @@ static void sun4u_irq_enable(unsigned int virt_irq)
        struct irq_handler_data *data = get_irq_chip_data(virt_irq);
 
        if (likely(data)) {
-               unsigned long cpuid, imap;
+               unsigned long cpuid, imap, val;
                unsigned int tid;
 
                cpuid = irq_choose_cpu(virt_irq);
@@ -285,7 +287,11 @@ static void sun4u_irq_enable(unsigned int virt_irq)
 
                tid = sun4u_compute_tid(imap, cpuid);
 
-               upa_writel(tid | IMAP_VALID, imap);
+               val = upa_readq(imap);
+               val &= ~(IMAP_TID_UPA | IMAP_TID_JBUS |
+                        IMAP_AID_SAFARI | IMAP_NID_SAFARI);
+               val |= tid | IMAP_VALID;
+               upa_writeq(val, imap);
        }
 }
 
@@ -295,10 +301,10 @@ static void sun4u_irq_disable(unsigned int virt_irq)
 
        if (likely(data)) {
                unsigned long imap = data->imap;
-               u32 tmp = upa_readl(imap);
+               u32 tmp = upa_readq(imap);
 
                tmp &= ~IMAP_VALID;
-               upa_writel(tmp, imap);
+               upa_writeq(tmp, imap);
        }
 }
 
@@ -307,7 +313,7 @@ static void sun4u_irq_end(unsigned int virt_irq)
        struct irq_handler_data *data = get_irq_chip_data(virt_irq);
 
        if (likely(data))
-               upa_writel(ICLR_IDLE, data->iclr);
+               upa_writeq(ICLR_IDLE, data->iclr);
 }
 
 static void sun4v_irq_enable(unsigned int virt_irq)
@@ -463,7 +469,7 @@ unsigned int build_irq(int inofixup, unsigned long iclr, unsigned long imap)
 
        BUG_ON(tlb_type == hypervisor);
 
-       ino = (upa_readl(imap) & (IMAP_IGN | IMAP_INO)) + inofixup;
+       ino = (upa_readq(imap) & (IMAP_IGN | IMAP_INO)) + inofixup;
        bucket = &ivector_table[ino];
        if (!bucket->virt_irq) {
                bucket->virt_irq = virt_irq_alloc(__irq(bucket));
@@ -587,32 +593,6 @@ void ack_bad_irq(unsigned int virt_irq)
               ino, virt_irq);
 }
 
-#ifndef CONFIG_SMP
-extern irqreturn_t timer_interrupt(int, void *);
-
-void timer_irq(int irq, struct pt_regs *regs)
-{
-       unsigned long clr_mask = 1 << irq;
-       unsigned long tick_mask = tick_ops->softint_mask;
-       struct pt_regs *old_regs;
-
-       if (get_softint() & tick_mask) {
-               irq = 0;
-               clr_mask = tick_mask;
-       }
-       clear_softint(clr_mask);
-
-       old_regs = set_irq_regs(regs);
-       irq_enter();
-
-       kstat_this_cpu.irqs[0]++;
-       timer_interrupt(irq, NULL);
-
-       irq_exit();
-       set_irq_regs(old_regs);
-}
-#endif
-
 void handler_irq(int irq, struct pt_regs *regs)
 {
        struct ino_bucket *bucket;
@@ -651,7 +631,7 @@ static u64 prom_limit0, prom_limit1;
 static void map_prom_timers(void)
 {
        struct device_node *dp;
-       unsigned int *addr;
+       const unsigned int *addr;
 
        /* PROM timer node hangs out in the top level of device siblings... */
        dp = of_find_node_by_path("/");