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x86: reboot: remove inb_p usage

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We are driving a motherboard port so use a 2uS explicit delay at this
point.

Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
This commit is contained in:
Alan Cox 2008-01-30 13:33:25 +01:00 committed by Ingo Molnar
parent 08b6d290f9
commit c84d6af881
1 changed files with 4 additions and 2 deletions
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6
arch/x86/kernel/reboot.c
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@ -319,9 +319,11 @@ static inline void kb_wait(void)
{
int i;
for (i = 0; i < 0x10000; i++)
if ((inb_p(0x64) & 0x02) == 0)
for (i = 0; i < 0x10000; i++) {
if ((inb(0x64) & 0x02) == 0)
break;
udelay(2);
}
}
void machine_emergency_restart(void)