octeontx2: Detect the mbox up or down message via register

[linux-2.6-microblaze.git] / drivers / net / ethernet / marvell / octeontx2 / af / rvu_cgx.c

diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_cgx.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu_cgx.c
index 38acdc7..72e060c 100644 (file)
--- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_cgx.c
+++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_cgx.c
@@ -232,7 +232,7 @@ static void cgx_notify_pfs(struct cgx_link_event *event, struct rvu *rvu)
        struct cgx_link_user_info *linfo;
        struct cgx_link_info_msg *msg;
        unsigned long pfmap;
-       int err, pfid;
+       int pfid;
 
        linfo = &event->link_uinfo;
        pfmap = cgxlmac_to_pfmap(rvu, event->cgx_id, event->lmac_id);
@@ -255,16 +255,22 @@ static void cgx_notify_pfs(struct cgx_link_event *event, struct rvu *rvu)
                        continue;
                }
 
+               mutex_lock(&rvu->mbox_lock);
+
                /* Send mbox message to PF */
                msg = otx2_mbox_alloc_msg_cgx_link_event(rvu, pfid);
-               if (!msg)
+               if (!msg) {
+                       mutex_unlock(&rvu->mbox_lock);
                        continue;
+               }
+
                msg->link_info = *linfo;
-               otx2_mbox_msg_send(&rvu->afpf_wq_info.mbox_up, pfid);
-               err = otx2_mbox_wait_for_rsp(&rvu->afpf_wq_info.mbox_up, pfid);
-               if (err)
-                       dev_warn(rvu->dev, "notification to pf %d failed\n",
-                                pfid);
+
+               otx2_mbox_wait_for_zero(&rvu->afpf_wq_info.mbox_up, pfid);
+
+               otx2_mbox_msg_send_up(&rvu->afpf_wq_info.mbox_up, pfid);
+
+               mutex_unlock(&rvu->mbox_lock);
        } while (pfmap);
 }