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cciss: factor out irq request code 

Signed-off-by: Stephen M. Cameron <scameron@beardog.cce.hp.com>
Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
This commit is contained in:
Stephen M. Cameron 2011-05-03 14:53:16 -05:00 committed by Jens Axboe
parent abf7966e61
commit 2b48085f97
1 changed files with 25 additions and 16 deletions
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41
drivers/block/cciss.c
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@ -4719,6 +4719,28 @@ static void cciss_free_cmd_pool(ctlr_info_t *h)
h->errinfo_pool, h->errinfo_pool_dhandle);
}
static int cciss_request_irq(ctlr_info_t *h,
irqreturn_t (*msixhandler)(int, void *),
irqreturn_t (*intxhandler)(int, void *))
{
if (h->msix_vector || h->msi_vector) {
if (!request_irq(h->intr[PERF_MODE_INT], msixhandler,
IRQF_DISABLED, h->devname, h))
return 0;
dev_err(&h->pdev->dev, "Unable to get msi irq %d"
" for %s\n", h->intr[PERF_MODE_INT],
h->devname);
return -1;
}
if (!request_irq(h->intr[PERF_MODE_INT], intxhandler,
IRQF_DISABLED, h->devname, h))
return 0;
dev_err(&h->pdev->dev, "Unable to get irq %d for %s\n",
h->intr[PERF_MODE_INT], h->devname);
return -1;
}
/*
* This is it. Find all the controllers and register them. I really hate
* stealing all these major device numbers.
@ -4789,22 +4811,9 @@ static int __devinit cciss_init_one(struct pci_dev *pdev,
/* make sure the board interrupts are off */
h->access.set_intr_mask(h, CCISS_INTR_OFF);
if (h->msi_vector || h->msix_vector) {
if (request_irq(h->intr[PERF_MODE_INT],
do_cciss_msix_intr,
IRQF_DISABLED, h->devname, h)) {
dev_err(&h->pdev->dev, "Unable to get irq %d for %s\n",
h->intr[PERF_MODE_INT], h->devname);
goto clean2;
}
} else {
if (request_irq(h->intr[PERF_MODE_INT], do_cciss_intx,
IRQF_DISABLED, h->devname, h)) {
dev_err(&h->pdev->dev, "Unable to get irq %d for %s\n",
h->intr[PERF_MODE_INT], h->devname);
goto clean2;
}
}
rc = cciss_request_irq(h, do_cciss_msix_intr, do_cciss_intx);
if (rc)
goto clean2;
dev_info(&h->pdev->dev, "%s: <0x%x> at PCI %s IRQ %d%s using DAC\n",
h->devname, pdev->device, pci_name(pdev),