IB/ipath: Add support for 7220 receive queue changes

[pandora-kernel.git] / drivers / infiniband / hw / ipath / ipath_stats.c

diff --git a/drivers/infiniband/hw/ipath/ipath_stats.c b/drivers/infiniband/hw/ipath/ipath_stats.c
index 57eb1d5..adff2f1 100644 (file)
--- a/drivers/infiniband/hw/ipath/ipath_stats.c
+++ b/drivers/infiniband/hw/ipath/ipath_stats.c
@@ -136,6 +136,7 @@ static void ipath_qcheck(struct ipath_devdata *dd)
        struct ipath_portdata *pd = dd->ipath_pd[0];
        size_t blen = 0;
        char buf[128];
+       u32 hdrqtail;
 
        *buf = 0;
        if (pd->port_hdrqfull != dd->ipath_p0_hdrqfull) {
@@ -174,17 +175,18 @@ static void ipath_qcheck(struct ipath_devdata *dd)
        if (blen)
                ipath_dbg("%s\n", buf);
 
-       if (pd->port_head != (u32)
-           le64_to_cpu(*dd->ipath_hdrqtailptr)) {
+       hdrqtail = ipath_get_hdrqtail(pd);
+       if (pd->port_head != hdrqtail) {
                if (dd->ipath_lastport0rcv_cnt ==
                    ipath_stats.sps_port0pkts) {
                        ipath_cdbg(PKT, "missing rcv interrupts? "
-                                  "port0 hd=%llx tl=%x; port0pkts %llx\n",
-                                  (unsigned long long)
-                                  le64_to_cpu(*dd->ipath_hdrqtailptr),
-                                  pd->port_head,
+                                  "port0 hd=%x tl=%x; port0pkts %llx; write"
+                                  " hd (w/intr)\n",
+                                  pd->port_head, hdrqtail,
                                   (unsigned long long)
                                   ipath_stats.sps_port0pkts);
+                       ipath_write_ureg(dd, ur_rcvhdrhead, hdrqtail |
+                               dd->ipath_rhdrhead_intr_off, pd->port_port);
                }
                dd->ipath_lastport0rcv_cnt = ipath_stats.sps_port0pkts;
        }