]> www.pilppa.org Git - linux-2.6-omap-h63xx.git/blobdiff - arch/x86/kernel/io_apic_32.c
Driver core: change sysdev classes to use dynamic kobject names
[linux-2.6-omap-h63xx.git] / arch / x86 / kernel / io_apic_32.c
index 6cf27319a91c3938b457e6b2eb94e2f5d3c35464..ab77f1905469592b724ce9c6bdd7c3ea70f0e408 100644 (file)
@@ -1882,13 +1882,16 @@ __setup("no_timer_check", notimercheck);
 static int __init timer_irq_works(void)
 {
        unsigned long t1 = jiffies;
+       unsigned long flags;
 
        if (no_timer_check)
                return 1;
 
+       local_save_flags(flags);
        local_irq_enable();
        /* Let ten ticks pass... */
        mdelay((10 * 1000) / HZ);
+       local_irq_restore(flags);
 
        /*
         * Expect a few ticks at least, to be sure some possible
@@ -2166,10 +2169,9 @@ static inline void __init check_timer(void)
 {
        int apic1, pin1, apic2, pin2;
        int vector;
-       unsigned int ver;
+       unsigned long flags;
 
-       ver = apic_read(APIC_LVR);
-       ver = GET_APIC_VERSION(ver);
+       local_irq_save(flags);
 
        /*
         * get/set the timer IRQ vector:
@@ -2183,15 +2185,11 @@ static inline void __init check_timer(void)
         * mode for the 8259A whenever interrupts are routed
         * through I/O APICs.  Also IRQ0 has to be enabled in
         * the 8259A which implies the virtual wire has to be
-        * disabled in the local APIC.  Finally timer interrupts
-        * need to be acknowledged manually in the 8259A for
-        * timer_interrupt() and for the i82489DX when using
-        * the NMI watchdog.
+        * disabled in the local APIC.
         */
        apic_write_around(APIC_LVT0, APIC_LVT_MASKED | APIC_DM_EXTINT);
        init_8259A(1);
-       timer_ack = !cpu_has_tsc;
-       timer_ack |= (nmi_watchdog == NMI_IO_APIC && !APIC_INTEGRATED(ver));
+       timer_ack = 1;
        if (timer_over_8254 > 0)
                enable_8259A_irq(0);
 
@@ -2219,7 +2217,7 @@ static inline void __init check_timer(void)
                        }
                        if (disable_timer_pin_1 > 0)
                                clear_IO_APIC_pin(0, pin1);
-                       return;
+                       goto out;
                }
                clear_IO_APIC_pin(apic1, pin1);
                printk(KERN_ERR "..MP-BIOS bug: 8254 timer not connected to "
@@ -2242,7 +2240,7 @@ static inline void __init check_timer(void)
                        if (nmi_watchdog == NMI_IO_APIC) {
                                setup_nmi();
                        }
-                       return;
+                       goto out;
                }
                /*
                 * Cleanup, just in case ...
@@ -2266,7 +2264,7 @@ static inline void __init check_timer(void)
 
        if (timer_irq_works()) {
                printk(" works.\n");
-               return;
+               goto out;
        }
        apic_write_around(APIC_LVT0, APIC_LVT_MASKED | APIC_DM_FIXED | vector);
        printk(" failed.\n");
@@ -2282,11 +2280,13 @@ static inline void __init check_timer(void)
 
        if (timer_irq_works()) {
                printk(" works.\n");
-               return;
+               goto out;
        }
        printk(" failed :(.\n");
        panic("IO-APIC + timer doesn't work!  Boot with apic=debug and send a "
                "report.  Then try booting with the 'noapic' option");
+out:
+       local_irq_restore(flags);
 }
 
 /*
@@ -2401,7 +2401,7 @@ static int ioapic_resume(struct sys_device *dev)
 }
 
 static struct sysdev_class ioapic_sysdev_class = {
-       set_kset_name("ioapic"),
+       .name = "ioapic",
        .suspend = ioapic_suspend,
        .resume = ioapic_resume,
 };