Fedora kernel-2.6.17-1.2142_FC4 patched with stable patch-2.6.17.4-vs2.0.2-rc26.diff

[linux-2.6.git] / arch / mips / momentum / ocelot_3 / irq.c

diff --git a/arch/mips/momentum/ocelot_3/irq.c b/arch/mips/momentum/ocelot_3/irq.c
index 42464db..87c63c3 100644 (file)
--- a/arch/mips/momentum/ocelot_3/irq.c
+++ b/arch/mips/momentum/ocelot_3/irq.c
@@ -53,8 +53,6 @@
 #include <asm/mipsregs.h>
 #include <asm/system.h>
 
-extern asmlinkage void ocelot3_handle_int(void);
-
 static struct irqaction cascade_mv64340 = {
        no_action, SA_INTERRUPT, CPU_MASK_NONE, "MV64340-Cascade", NULL, NULL
 };
@@ -67,9 +65,6 @@ void __init arch_init_irq(void)
         */
        clear_c0_status(ST0_IM | ST0_BEV);
 
-       /* Sets the first-level interrupt dispatcher. */
-       set_except_vector(0, ocelot3_handle_int);
-       mips_cpu_irq_init(0);
        rm7k_cpu_irq_init(8);
 
        /* set up the cascading interrupts */
@@ -79,3 +74,36 @@ void __init arch_init_irq(void)
        set_c0_status(ST0_IM); /* IE in the status register */
 
 }
+
+asmlinkage void plat_irq_dispatch(struct pt_regs *regs)
+{
+       unsigned int pending = read_c0_cause() & read_c0_status();
+
+       if (pending & STATUSF_IP0)
+               do_IRQ(0, regs);
+       else if (pending & STATUSF_IP1)
+               do_IRQ(1, regs);
+       else if (pending & STATUSF_IP2)
+               do_IRQ(2, regs);
+       else if (pending & STATUSF_IP3)
+               do_IRQ(3, regs);
+       else if (pending & STATUSF_IP4)
+               do_IRQ(4, regs);
+       else if (pending & STATUSF_IP5)
+               do_IRQ(5, regs);
+       else if (pending & STATUSF_IP6)
+               do_IRQ(6, regs);
+       else if (pending & STATUSF_IP7)
+               do_IRQ(7, regs);
+       else {
+               /*
+                * Now look at the extended interrupts
+                */
+               pending = (read_c0_cause() & (read_c0_intcontrol() << 8)) >> 16;
+
+               if (pending & STATUSF_IP8)
+                       ll_mv64340_irq(regs);
+               else
+                       spurious_interrupt(regs);
+       }
+}