3 files changed, 14 insertions, 13 deletions

diff --git a/arch/c6x/kernel/irq.c b/arch/c6x/kernel/irq.c
index c90fb5e82ad7..247e0eb5e467 100644
--- a/arch/c6x/kernel/irq.c
+++ b/arch/c6x/kernel/irq.c
@@ -1,5 +1,5 @@
 /*
- *  Copyright (C) 2011 Texas Instruments Incorporated
+ *  Copyright (C) 2011-2012 Texas Instruments Incorporated
  *
  *  This borrows heavily from powerpc version, which is:
  *
@@ -35,9 +35,7 @@ static DEFINE_RAW_SPINLOCK(core_irq_lock);
 
 static void mask_core_irq(struct irq_data *data)
 {
-        unsigned int prio = data->irq;
-
-        BUG_ON(prio < 4 || prio >= NR_PRIORITY_IRQS);
+        unsigned int prio = data->hwirq;
 
         raw_spin_lock(&core_irq_lock);
         and_creg(IER, ~(1 << prio));
@@ -46,7 +44,7 @@ static void mask_core_irq(struct irq_data *data)
 
 static void unmask_core_irq(struct irq_data *data)
 {
-        unsigned int prio = data->irq;
+        unsigned int prio = data->hwirq;
 
         raw_spin_lock(&core_irq_lock);
         or_creg(IER, 1 << prio);
@@ -59,15 +57,15 @@ static struct irq_chip core_chip = {
         .irq_unmask     = unmask_core_irq,
 };
 
+static int prio_to_virq[NR_PRIORITY_IRQS];
+
 asmlinkage void c6x_do_IRQ(unsigned int prio, struct pt_regs *regs)
 {
         struct pt_regs *old_regs = set_irq_regs(regs);
 
         irq_enter();
 
-        BUG_ON(prio < 4 || prio >= NR_PRIORITY_IRQS);
-
-        generic_handle_irq(prio);
+        generic_handle_irq(prio_to_virq[prio]);
 
         irq_exit();
 
@@ -82,6 +80,8 @@ static int core_domain_map(struct irq_domain *h, unsigned int virq,
         if (hw < 4 || hw >= NR_PRIORITY_IRQS)
                 return -EINVAL;
 
+        prio_to_virq[hw] = virq;
+
         irq_set_status_flags(virq, IRQ_LEVEL);
         irq_set_chip_and_handler(virq, &core_chip, handle_level_irq);
         return 0;
@@ -102,9 +102,8 @@ void __init init_IRQ(void)
         np = of_find_compatible_node(NULL, NULL, "ti,c64x+core-pic");
         if (np != NULL) {
                 /* create the core host */
-                core_domain = irq_domain_add_legacy(np, NR_PRIORITY_IRQS,
-                                                    0, 0, &core_domain_ops,
-                                                    NULL);
+                core_domain = irq_domain_add_linear(np, NR_PRIORITY_IRQS,
+                                                    &core_domain_ops, NULL);
                 if (core_domain)
                         irq_set_default_host(core_domain);
                 of_node_put(np);
diff --git a/arch/c6x/kernel/setup.c b/arch/c6x/kernel/setup.c
index ce46186600c5..f4e72bd8c103 100644
--- a/arch/c6x/kernel/setup.c
+++ b/arch/c6x/kernel/setup.c
@@ -143,6 +143,10 @@ static void __init get_cpuinfo(void)
                 p->cpu_name = "C64x+";
                 p->cpu_voltage = "1.2";
                 break;
+        case 21:
+                p->cpu_name = "C66X";
+                p->cpu_voltage = "1.2";
+                break;
         default:
                 p->cpu_name = "unknown";
                 break;
diff --git a/arch/c6x/kernel/signal.c b/arch/c6x/kernel/signal.c
index 3d8f3c22a94f..3998b24e26f2 100644
--- a/arch/c6x/kernel/signal.c
+++ b/arch/c6x/kernel/signal.c
@@ -249,8 +249,6 @@ static void handle_signal(int sig,
                          siginfo_t *info, struct k_sigaction *ka,
                          struct pt_regs *regs, int syscall)
 {
-        int ret;
-
         /* Are we from a system call? */
         if (syscall) {
                 /* If so, check system call restarting.. */