Commit 9a4e5549 authored by Bjorn Helgaas's avatar Bjorn Helgaas Committed by Tony Luck
Browse files

[IA64] sn_check_intr: use ia64_get_irr() 



Use the recently-added ia64_get_irr() rather than duplicating the code.

Signed-off-by: default avatarBjorn Helgaas <bjorn.helgaas@hp.com>
Acked-by: default avatarJes Sorensen <jes@sgi.com>
Signed-off-by: default avatarTony Luck <tony.luck@intel.com>
parent 2332c9ae

arch/ia64/sn/kernel/irq.c

+1 −20
Original line number Diff line number Diff line
@@ -350,9 +350,6 @@ static void force_interrupt(int irq) 
static void sn_check_intr(int irq, struct sn_irq_info *sn_irq_info)

{

	u64 regval;

	int irr_reg_num;

	int irr_bit;

	u64 irr_reg;

	struct pcidev_info *pcidev_info;

	struct pcibus_info *pcibus_info;
@@ -373,23 +370,7 @@ static void sn_check_intr(int irq, struct sn_irq_info *sn_irq_info) 
	    pdi_pcibus_info;

	regval = pcireg_intr_status_get(pcibus_info);



	irr_reg_num = irq_to_vector(irq) / 64;

	irr_bit = irq_to_vector(irq) % 64;

	switch (irr_reg_num) {

	case 0:

		irr_reg = ia64_getreg(_IA64_REG_CR_IRR0);

		break;

	case 1:

		irr_reg = ia64_getreg(_IA64_REG_CR_IRR1);

		break;

	case 2:

		irr_reg = ia64_getreg(_IA64_REG_CR_IRR2);

		break;

	case 3:

		irr_reg = ia64_getreg(_IA64_REG_CR_IRR3);

		break;

	}

	if (!test_bit(irr_bit, &irr_reg)) {

	if (!ia64_get_irr(irq_to_vector(irq))) {

		if (!test_bit(irq, pda->sn_in_service_ivecs)) {

			regval &= 0xff;

			if (sn_irq_info->irq_int_bit & regval &