Merge branch 'linus_origin' into hotfixes

[linux-2.6] / arch / alpha / kernel / sys_titan.c

diff --git a/arch/alpha/kernel/sys_titan.c b/arch/alpha/kernel/sys_titan.c
index e8e8ec9c0f4e2cff6f1690335c2ab9c3794a20ac..52c91ccc164866d3c08ed24ed6984d7b53e35c65 100644 (file)
--- a/arch/alpha/kernel/sys_titan.c
+++ b/arch/alpha/kernel/sys_titan.c
@@ -204,7 +204,7 @@ static struct hw_interrupt_type titan_irq_type = {
 };
 
 static irqreturn_t
-titan_intr_nop(int irq, void *dev_id, struct pt_regs *regs)                    
+titan_intr_nop(int irq, void *dev_id)
 {
       /*
        * This is a NOP interrupt handler for the purposes of
@@ -243,9 +243,8 @@ titan_legacy_init_irq(void)
 }
 
 void
-titan_dispatch_irqs(u64 mask, struct pt_regs *regs)
+titan_dispatch_irqs(u64 mask)
 {
-       struct pt_regs *old_regs;
        unsigned long vector;
 
        /*
@@ -253,27 +252,37 @@ titan_dispatch_irqs(u64 mask, struct pt_regs *regs)
         */
        mask &= titan_cpu_irq_affinity[smp_processor_id()];
 
-       old_regs = set_irq_regs(regs);
        /*
         * Dispatch all requested interrupts 
         */
        while (mask) {
                /* convert to SRM vector... priority is <63> -> <0> */
-               __asm__("ctlz %1, %0" : "=r"(vector) : "r"(mask));
-               vector = 63 - vector;
+               vector = 63 - __kernel_ctlz(mask);
                mask &= ~(1UL << vector);       /* clear it out          */
                vector = 0x900 + (vector << 4); /* convert to SRM vector */
                
                /* dispatch it */
                alpha_mv.device_interrupt(vector);
        }
-       set_irq_regs(old_regs);
 }
   
 \f
 /*
  * Titan Family
  */
+static void __init
+titan_request_irq(unsigned int irq, irq_handler_t handler,
+                 unsigned long irqflags, const char *devname,
+                 void *dev_id)
+{
+       int err;
+       err = request_irq(irq, handler, irqflags, devname, dev_id);
+       if (err) {
+               printk("titan_request_irq for IRQ %d returned %d; ignoring\n",
+                      irq, err);
+       }
+}
+
 static void __init
 titan_late_init(void)
 {
@@ -282,15 +291,15 @@ titan_late_init(void)
         * all reported to the kernel as machine checks, so the handler
         * is a nop so it can be called to count the individual events.
         */
-       request_irq(63+16, titan_intr_nop, IRQF_DISABLED,
+       titan_request_irq(63+16, titan_intr_nop, IRQF_DISABLED,
                    "CChip Error", NULL);
-       request_irq(62+16, titan_intr_nop, IRQF_DISABLED,
+       titan_request_irq(62+16, titan_intr_nop, IRQF_DISABLED,
                    "PChip 0 H_Error", NULL);
-       request_irq(61+16, titan_intr_nop, IRQF_DISABLED,
+       titan_request_irq(61+16, titan_intr_nop, IRQF_DISABLED,
                    "PChip 1 H_Error", NULL);
-       request_irq(60+16, titan_intr_nop, IRQF_DISABLED,
+       titan_request_irq(60+16, titan_intr_nop, IRQF_DISABLED,
                    "PChip 0 C_Error", NULL);
-       request_irq(59+16, titan_intr_nop, IRQF_DISABLED,
+       titan_request_irq(59+16, titan_intr_nop, IRQF_DISABLED,
                    "PChip 1 C_Error", NULL);
 
        /* 
@@ -335,9 +344,7 @@ titan_init_pci(void)
        pci_probe_only = 1;
        common_init_pci();
        SMC669_Init(0);
-#ifdef CONFIG_VGA_HOSE
        locate_and_init_vga(NULL);
-#endif
 }
 
 \f
@@ -351,9 +358,9 @@ privateer_init_pci(void)
         * Hook a couple of extra err interrupts that the
         * common titan code won't.
         */
-       request_irq(53+16, titan_intr_nop, IRQF_DISABLED,
+       titan_request_irq(53+16, titan_intr_nop, IRQF_DISABLED,
                    "NMI", NULL);
-       request_irq(50+16, titan_intr_nop, IRQF_DISABLED,
+       titan_request_irq(50+16, titan_intr_nop, IRQF_DISABLED,
                    "Temperature Warning", NULL);
 
        /*