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scsi: hpsa: correct simple mode 

Correct issue with hpsa_simple_mode module parameter. Driver was
hanging due to incorrect interrupt setup.

Reviewed-by: Justin Lindley <justin.lindley@microsemi.com>
Reviewed-by: Dave Carroll <david.carroll@microsemi.com>
Reviewed-by: Scott Teel <scott.teel@microsemi.com>
Signed-off-by: Don Brace <don.brace@microsemi.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
alistair/sunxi64-5.4-dsi
Don Brace 2019-05-07 13:32:00 -05:00 committed by Martin K. Petersen
parent 4e3ea141b5
commit a68fdb3aed
1 changed files with 16 additions and 4 deletions
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20
drivers/scsi/hpsa.c
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@ -5526,6 +5526,9 @@ static int hpsa_ioaccel_submit(struct ctlr_info *h,
if (!dev)
return SCSI_MLQUEUE_HOST_BUSY;
if (hpsa_simple_mode)
return IO_ACCEL_INELIGIBLE;
cmd->host_scribble = (unsigned char *) c;
if (dev->offload_enabled) {
@ -7978,10 +7981,15 @@ clean_up:
static void hpsa_free_irqs(struct ctlr_info *h)
{
int i;
int irq_vector = 0;
if (hpsa_simple_mode)
irq_vector = h->intr_mode;
if (!h->msix_vectors || h->intr_mode != PERF_MODE_INT) {
/* Single reply queue, only one irq to free */
free_irq(pci_irq_vector(h->pdev, 0), &h->q[h->intr_mode]);
free_irq(pci_irq_vector(h->pdev, irq_vector),
&h->q[h->intr_mode]);
h->q[h->intr_mode] = 0;
return;
}
@ -8000,6 +8008,10 @@ static int hpsa_request_irqs(struct ctlr_info *h,
irqreturn_t (*intxhandler)(int, void *))
{
int rc, i;
int irq_vector = 0;
if (hpsa_simple_mode)
irq_vector = h->intr_mode;
/*
* initialize h->q[x] = x so that interrupt handlers know which
@ -8035,14 +8047,14 @@ static int hpsa_request_irqs(struct ctlr_info *h,
if (h->msix_vectors > 0 || h->pdev->msi_enabled) {
sprintf(h->intrname[0], "%s-msi%s", h->devname,
h->msix_vectors ? "x" : "");
rc = request_irq(pci_irq_vector(h->pdev, 0),
rc = request_irq(pci_irq_vector(h->pdev, irq_vector),
msixhandler, 0,
h->intrname[0],
&h->q[h->intr_mode]);
} else {
sprintf(h->intrname[h->intr_mode],
"%s-intx", h->devname);
rc = request_irq(pci_irq_vector(h->pdev, 0),
rc = request_irq(pci_irq_vector(h->pdev, irq_vector),
intxhandler, IRQF_SHARED,
h->intrname[0],
&h->q[h->intr_mode]);
@ -8050,7 +8062,7 @@ static int hpsa_request_irqs(struct ctlr_info *h,
}
if (rc) {
dev_err(&h->pdev->dev, "failed to get irq %d for %s\n",
pci_irq_vector(h->pdev, 0), h->devname);
pci_irq_vector(h->pdev, irq_vector), h->devname);
hpsa_free_irqs(h);
return -ENODEV;
}