diff options
| -rw-r--r-- | drivers/net/ethernet/ibm/ibmvnic.c | 18 | ||||
| -rw-r--r-- | drivers/net/ethernet/ibm/ibmvnic.h | 1 |
2 files changed, 18 insertions, 1 deletions
diff --git a/drivers/net/ethernet/ibm/ibmvnic.c b/drivers/net/ethernet/ibm/ibmvnic.c index 0c94e23985be..c573ba8654e2 100644 --- a/drivers/net/ethernet/ibm/ibmvnic.c +++ b/drivers/net/ethernet/ibm/ibmvnic.c @@ -3420,6 +3420,18 @@ static void ibmvnic_handle_crq(union ibmvnic_crq *crq, static irqreturn_t ibmvnic_interrupt(int irq, void *instance) { struct ibmvnic_adapter *adapter = instance; + unsigned long flags; + + spin_lock_irqsave(&adapter->crq.lock, flags); + vio_disable_interrupts(adapter->vdev); + tasklet_schedule(&adapter->tasklet); + spin_unlock_irqrestore(&adapter->crq.lock, flags); + return IRQ_HANDLED; +} + +static void ibmvnic_tasklet(void *data) +{ + struct ibmvnic_adapter *adapter = data; struct ibmvnic_crq_queue *queue = &adapter->crq; struct vio_dev *vdev = adapter->vdev; union ibmvnic_crq *crq; @@ -3445,7 +3457,6 @@ static irqreturn_t ibmvnic_interrupt(int irq, void *instance) } } spin_unlock_irqrestore(&queue->lock, flags); - return IRQ_HANDLED; } static int ibmvnic_reenable_crq_queue(struct ibmvnic_adapter *adapter) @@ -3500,6 +3511,7 @@ static void ibmvnic_release_crq_queue(struct ibmvnic_adapter *adapter) netdev_dbg(adapter->netdev, "Releasing CRQ\n"); free_irq(vdev->irq, adapter); + tasklet_kill(&adapter->tasklet); do { rc = plpar_hcall_norets(H_FREE_CRQ, vdev->unit_address); } while (rc == H_BUSY || H_IS_LONG_BUSY(rc)); @@ -3545,6 +3557,9 @@ static int ibmvnic_init_crq_queue(struct ibmvnic_adapter *adapter) retrc = 0; + tasklet_init(&adapter->tasklet, (void *)ibmvnic_tasklet, + (unsigned long)adapter); + netdev_dbg(adapter->netdev, "registering irq 0x%x\n", vdev->irq); rc = request_irq(vdev->irq, ibmvnic_interrupt, 0, IBMVNIC_NAME, adapter); @@ -3566,6 +3581,7 @@ static int ibmvnic_init_crq_queue(struct ibmvnic_adapter *adapter) return retrc; req_irq_failed: + tasklet_kill(&adapter->tasklet); do { rc = plpar_hcall_norets(H_FREE_CRQ, vdev->unit_address); } while (rc == H_BUSY || H_IS_LONG_BUSY(rc)); diff --git a/drivers/net/ethernet/ibm/ibmvnic.h b/drivers/net/ethernet/ibm/ibmvnic.h index dd775d951b73..0d0edc36107a 100644 --- a/drivers/net/ethernet/ibm/ibmvnic.h +++ b/drivers/net/ethernet/ibm/ibmvnic.h @@ -1049,5 +1049,6 @@ struct ibmvnic_adapter { struct work_struct vnic_crq_init; struct work_struct ibmvnic_xport; + struct tasklet_struct tasklet; bool failover; }; |