scsi: ibmvfc: Define Sub-CRQ interrupt handler routine

Simple handler that calls Sub-CRQ drain routine directly.

Link: https://lore.kernel.org/r/20210114203148.246656-11-tyreld@linux.ibm.com
Reviewed-by: Brian King <brking@linux.vnet.ibm.com>
Signed-off-by: Tyrel Datwyler <tyreld@linux.ibm.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

diff --git a/drivers/scsi/ibmvscsi/ibmvfc.c b/drivers/scsi/ibmvscsi/ibmvfc.c
index aba59a63318c3546f26687b972eb7f0b28daedda..6e1910b1b14848bcd010397882e143b38a06f5e2 100644 (file)
--- a/drivers/scsi/ibmvscsi/ibmvfc.c
+++ b/drivers/scsi/ibmvscsi/ibmvfc.c
@@ -3571,6 +3571,16 @@ static void ibmvfc_drain_sub_crq(struct ibmvfc_queue *scrq)
        }
 }
 
+static irqreturn_t ibmvfc_interrupt_scsi(int irq, void *scrq_instance)
+{
+       struct ibmvfc_queue *scrq = (struct ibmvfc_queue *)scrq_instance;
+
+       ibmvfc_toggle_scrq_irq(scrq, 0);
+       ibmvfc_drain_sub_crq(scrq);
+
+       return IRQ_HANDLED;
+}
+
 /**
  * ibmvfc_init_tgt - Set the next init job step for the target
  * @tgt:               ibmvfc target struct