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Commit 2179bab7 authored by Ingo Molnar's avatar Ingo Molnar
Browse files

Revert "x86: fix IO APIC breakage on HP nx6325, v2" 



This reverts commit a74a1cc3df0be89658bc735c8aed80c8392e2c15.

This was just temporary diagnostics commit - not needed now that we've
got the final fix.

Signed-off-by: default avatarIngo Molnar <mingo@elte.hu>
parent 18b743dc

arch/x86/kernel/io_apic_64.c

+2 −26
Original line number Diff line number Diff line
@@ -373,26 +373,6 @@ static void add_pin_to_irq(unsigned int irq, int apic, int pin) 
	entry->pin = pin;

}



/*

 * Reroute an IRQ to a different pin.

 */

static void __init replace_pin_at_irq(unsigned int irq,

				      int oldapic, int oldpin,

				      int newapic, int newpin)

{

	struct irq_pin_list *entry = irq_2_pin + irq;



	while (1) {

		if (entry->apic == oldapic && entry->pin == oldpin) {

			entry->apic = newapic;

			entry->pin = newpin;

		}

		if (!entry->next)

			break;

		entry = irq_2_pin + entry->next;

	}

}





#define DO_ACTION(name,R,ACTION, FINAL)					\

									\
@@ -1724,11 +1704,6 @@ static inline void __init check_timer(void) 
		apic2 = apic1;

	}



	replace_pin_at_irq(0, 0, 0, apic1, pin1);

	apic1 = 0;

	pin1 = 0;

	setup_timer_IRQ0_pin(apic1, pin1, cfg->vector);



	if (pin1 != -1) {

		/*

		 * Ok, does IRQ0 through the IOAPIC work?
@@ -1760,9 +1735,10 @@ static inline void __init check_timer(void) 
		/*

		 * legacy devices should be connected to IO APIC #0

		 */

		replace_pin_at_irq(0, apic1, pin1, apic2, pin2);

		/* replace_pin_at_irq(0, apic1, pin1, apic2, pin2); */

		setup_timer_IRQ0_pin(apic2, pin2, cfg->vector);

		unmask_IO_APIC_irq(0);

		clear_IO_APIC_pin(apic2, pin2);

		enable_8259A_irq(0);

		if (timer_irq_works()) {

			apic_printk(APIC_VERBOSE," works.\n");