diff options
| author | Don Brace <don.brace@microsemi.com> | 2019-05-07 21:32:00 +0300 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2019-06-19 02:46:18 +0300 |
| commit | a68fdb3aed541808ae6b1078ff840a4d9281731b (patch) | |
| tree | 6f4721c82ab127adcd226db1a1dcb68440ec4e70 /drivers/scsi/hpsa.c | |
| parent | 4e3ea141b5cb79ded7f4a67bb32e5b23a06a784a (diff) | |
| download | linux-a68fdb3aed541808ae6b1078ff840a4d9281731b.tar.xz | |
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.c | 20 |
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; } |