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[SCSI] hpsa: factor out irq request code 

Signed-off-by: Stephen M. Cameron <scameron@beardog.cce.hp.com>
Signed-off-by: James Bottomley <jbottomley@parallels.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
This commit is contained in:
Stephen M. Cameron 2011-05-03 14:59:25 -05:00 committed by James Bottomley
parent 2e9d1b3626
commit 0ae01a32cb
1 changed files with 21 additions and 11 deletions
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32
drivers/scsi/hpsa.c
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@ -3881,6 +3881,26 @@ static void hpsa_free_cmd_pool(struct ctlr_info *h)
h->errinfo_pool_dhandle);
}
static int hpsa_request_irq(struct ctlr_info *h,
irqreturn_t (*msixhandler)(int, void *),
irqreturn_t (*intxhandler)(int, void *))
{
int rc;
if (h->msix_vector || h->msi_vector)
rc = request_irq(h->intr[h->intr_mode], msixhandler,
IRQF_DISABLED, h->devname, h);
else
rc = request_irq(h->intr[h->intr_mode], intxhandler,
IRQF_DISABLED, h->devname, h);
if (rc) {
dev_err(&h->pdev->dev, "unable to get irq %d for %s\n",
h->intr[h->intr_mode], h->devname);
return -ENODEV;
}
return 0;
}
static int __devinit hpsa_init_one(struct pci_dev *pdev,
const struct pci_device_id *ent)
{
@ -3936,18 +3956,8 @@ static int __devinit hpsa_init_one(struct pci_dev *pdev,
/* make sure the board interrupts are off */
h->access.set_intr_mask(h, HPSA_INTR_OFF);
if (h->msix_vector || h->msi_vector)
rc = request_irq(h->intr[h->intr_mode], do_hpsa_intr_msi,
IRQF_DISABLED, h->devname, h);
else
rc = request_irq(h->intr[h->intr_mode], do_hpsa_intr_intx,
IRQF_DISABLED, h->devname, h);
if (rc) {
dev_err(&pdev->dev, "unable to get irq %d for %s\n",
h->intr[h->intr_mode], h->devname);
if (hpsa_request_irq(h, do_hpsa_intr_msi, do_hpsa_intr_intx))
goto clean2;
}
dev_info(&pdev->dev, "%s: <0x%x> at IRQ %d%s using DAC\n",
h->devname, pdev->device,
h->intr[h->intr_mode], dac ? "" : " not");