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x86: apic - lapic_setup_esr does not handle esr_disable - fix it

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lapic_setup_esr doesn't handle esr_disable inquire.
The error brought in during unification process.
Fix it.

Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Cyrill Gorcunov 2008-09-14 11:55:37 +04:00 committed by Ingo Molnar
parent c87695ea74
commit 9df08f1095
1 changed files with 34 additions and 31 deletions
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17
arch/x86/kernel/apic.c
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@ -1081,8 +1081,13 @@ void __init init_bsp_APIC(void)
static void __cpuinit lapic_setup_esr(void)
{
unsigned long oldvalue, value, maxlvt;
if (lapic_is_integrated() && !esr_disable) {
unsigned int oldvalue, value, maxlvt;
if (!lapic_is_integrated()) {
printk(KERN_INFO "No ESR for 82489DX.\n");
return;
}
if (esr_disable) {
/*
* Something untraceable is creating bad interrupts on
@ -1093,7 +1098,7 @@ static void __cpuinit lapic_setup_esr(void)
printk(KERN_INFO "Leaving ESR disabled.\n");
return;
}
/* !82489DX */
maxlvt = lapic_get_maxlvt();
if (maxlvt > 3) /* Due to the Pentium erratum 3AP. */
apic_write(APIC_ESR, 0);
@ -1102,6 +1107,7 @@ static void __cpuinit lapic_setup_esr(void)
/* enables sending errors */
value = ERROR_APIC_VECTOR;
apic_write(APIC_LVTERR, value);
/*
* spec says clear errors after enabling vector.
*/
@ -1110,11 +1116,8 @@ static void __cpuinit lapic_setup_esr(void)
value = apic_read(APIC_ESR);
if (value != oldvalue)
apic_printk(APIC_VERBOSE, "ESR value before enabling "
"vector: 0x%08lx after: 0x%08lx\n",
"vector: 0x%08x after: 0x%08x\n",
oldvalue, value);
} else {
printk(KERN_INFO "No ESR for 82489DX.\n");
}
}