isci: implement error isr

Add basic support for handling/reporting error interrupts.

Signed-off-by: Dan Williams <dan.j.williams@intel.com>

1 files changed, 8 insertions, 2 deletions

diff --git a/drivers/scsi/isci/init.c b/drivers/scsi/isci/init.c
index f2bd92b81136..4d6decb6d08c 100644
--- a/drivers/scsi/isci/init.c
+++ b/drivers/scsi/isci/init.c
@@ -330,11 +330,17 @@ static int isci_setup_interrupts(struct pci_dev *pdev)
                 int id = i / SCI_NUM_MSI_X_INT;
                 struct msix_entry *msix = &pci_info->msix_entries[i];
                 struct isci_host *isci_host = isci_host_by_id(pdev, id);
+                irq_handler_t isr;
+
+                /* odd numbered vectors are error interrupts */
+                if (i & 1)
+                        isr = isci_error_isr;
+                else
+                        isr = isci_msix_isr;
 
                 BUG_ON(!isci_host);
 
-                /* @todo: need to handle error case. */
-                err = devm_request_irq(&pdev->dev, msix->vector, isci_msix_isr, 0,
+                err = devm_request_irq(&pdev->dev, msix->vector, isr, 0,
                                        DRV_NAME"-msix", isci_host);
                 if (!err)
                         continue;