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| author | Glauber Costa <gcosta@redhat.com> | 2008-07-21 23:42:52 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-10-13 10:21:47 +0200 |
| commit | 33c053d0aec344c8b2ad6966d904ebeff64e590b (patch) | |
| tree | 4c5688f392c8a762c83a55be8e9401432e28eab1 /arch/x86/kernel/time_32.c | |
| parent | x86: replace hardcoded number (diff) | |
| download | linux-33c053d0aec344c8b2ad6966d904ebeff64e590b.tar.xz linux-33c053d0aec344c8b2ad6966d904ebeff64e590b.zip | |
x86: wrap MCA_bus test around an ifdef
Only test for MCA_bus if support for MCA is compiled in.
Also, for x86_64, write the code inside the conditional
for consistency with i386. It won't bite us, since it'll
probably never select CONFIG_MCA anyway.
Signed-off-by: Glauber Costa <gcosta@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/kernel/time_32.c')
| -rw-r--r-- | arch/x86/kernel/time_32.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/x86/kernel/time_32.c b/arch/x86/kernel/time_32.c index 7215bc6adfcc..77b400f06ea2 100644 --- a/arch/x86/kernel/time_32.c +++ b/arch/x86/kernel/time_32.c @@ -94,6 +94,7 @@ irqreturn_t timer_interrupt(int irq, void *dev_id) do_timer_interrupt_hook(); +#ifdef CONFIG_MCA if (MCA_bus) { /* The PS/2 uses level-triggered interrupts. You can't turn them off, nor would you want to (any attempt to @@ -107,6 +108,7 @@ irqreturn_t timer_interrupt(int irq, void *dev_id) u8 irq_v = inb_p( 0x61 ); /* read the current state */ outb_p( irq_v|0x80, 0x61 ); /* reset the IRQ */ } +#endif return IRQ_HANDLED; } |