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path: root/drivers/net/ethernet/qlogic/qla3xxx.c
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Diffstat (limited to 'drivers/net/ethernet/qlogic/qla3xxx.c')
-rw-r--r--drivers/net/ethernet/qlogic/qla3xxx.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/net/ethernet/qlogic/qla3xxx.c b/drivers/net/ethernet/qlogic/qla3xxx.c
index 80ba7292ec3d..12d1f2470d5c 100644
--- a/drivers/net/ethernet/qlogic/qla3xxx.c
+++ b/drivers/net/ethernet/qlogic/qla3xxx.c
@@ -2522,6 +2522,13 @@ static int ql_alloc_net_req_rsp_queues(struct ql3_adapter *qdev)
qdev->req_q_size =
(u32) (NUM_REQ_Q_ENTRIES * sizeof(struct ob_mac_iocb_req));
+ qdev->rsp_q_size = NUM_RSP_Q_ENTRIES * sizeof(struct net_rsp_iocb);
+
+ /* The barrier is required to ensure request and response queue
+ * addr writes to the registers.
+ */
+ wmb();
+
qdev->req_q_virt_addr =
pci_alloc_consistent(qdev->pdev,
(size_t) qdev->req_q_size,
@@ -2533,8 +2540,6 @@ static int ql_alloc_net_req_rsp_queues(struct ql3_adapter *qdev)
return -ENOMEM;
}
- qdev->rsp_q_size = NUM_RSP_Q_ENTRIES * sizeof(struct net_rsp_iocb);
-
qdev->rsp_q_virt_addr =
pci_alloc_consistent(qdev->pdev,
(size_t) qdev->rsp_q_size,