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authorDon Brace <don.brace@microsemi.com>2019-05-07 13:32:00 -0500
committerMartin K. Petersen <martin.petersen@oracle.com>2019-06-18 19:46:18 -0400
commita68fdb3aed541808ae6b1078ff840a4d9281731b (patch)
tree6f4721c82ab127adcd226db1a1dcb68440ec4e70 /drivers/scsi/hpsa.c
parent4e3ea141b5cb79ded7f4a67bb32e5b23a06a784a (diff)
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>
Diffstat (limited to 'drivers/scsi/hpsa.c')
-rw-r--r--drivers/scsi/hpsa.c20
1 files changed, 16 insertions, 4 deletions
diff --git a/drivers/scsi/hpsa.c b/drivers/scsi/hpsa.c
index 1bef1da273c2..54b0e3dc2861 100644
--- a/drivers/scsi/hpsa.c
+++ b/drivers/scsi/hpsa.c
@@ -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;
}