Merge branch 'smsc47b397-new-id' into release

[linux-2.6-omap-h63xx.git] / drivers / infiniband / hw / ipath / ipath_driver.c

diff --git a/drivers/infiniband/hw/ipath/ipath_driver.c b/drivers/infiniband/hw/ipath/ipath_driver.c
index d5ff6ca2db30aaaba1ecb0265c9527e7c917621f..ca4d0acc6786768177126ca15af89407fbba235a 100644 (file)
--- a/drivers/infiniband/hw/ipath/ipath_driver.c
+++ b/drivers/infiniband/hw/ipath/ipath_driver.c
@@ -851,8 +851,7 @@ void ipath_disarm_piobufs(struct ipath_devdata *dd, unsigned first,
  * -ETIMEDOUT state can have multiple states set, for any of several
  * transitions.
  */
-static int ipath_wait_linkstate(struct ipath_devdata *dd, u32 state,
-                               int msecs)
+int ipath_wait_linkstate(struct ipath_devdata *dd, u32 state, int msecs)
 {
        dd->ipath_state_wanted = state;
        wait_event_interruptible_timeout(ipath_state_wait,
@@ -1656,8 +1655,8 @@ void ipath_cancel_sends(struct ipath_devdata *dd, int restore_sendctrl)
 static void ipath_set_ib_lstate(struct ipath_devdata *dd, int which)
 {
        static const char *what[4] = {
-               [0] = "DOWN",
-               [INFINIPATH_IBCC_LINKCMD_INIT] = "INIT",
+               [0] = "NOP",
+               [INFINIPATH_IBCC_LINKCMD_DOWN] = "DOWN",
                [INFINIPATH_IBCC_LINKCMD_ARMED] = "ARMED",
                [INFINIPATH_IBCC_LINKCMD_ACTIVE] = "ACTIVE"
        };
@@ -1672,9 +1671,9 @@ static void ipath_set_ib_lstate(struct ipath_devdata *dd, int which)
                            (dd, dd->ipath_kregs->kr_ibcstatus) >>
                            INFINIPATH_IBCS_LINKTRAININGSTATE_SHIFT) &
                           INFINIPATH_IBCS_LINKTRAININGSTATE_MASK]);
-       /* flush all queued sends when going to DOWN or INIT, to be sure that
+       /* flush all queued sends when going to DOWN to be sure that
         * they don't block MAD packets */
-       if (!linkcmd || linkcmd == INFINIPATH_IBCC_LINKCMD_INIT)
+       if (linkcmd == INFINIPATH_IBCC_LINKCMD_DOWN)
                ipath_cancel_sends(dd, 1);
 
        ipath_write_kreg(dd, dd->ipath_kregs->kr_ibcctrl,
@@ -1687,6 +1686,13 @@ int ipath_set_linkstate(struct ipath_devdata *dd, u8 newstate)
        int ret;
 
        switch (newstate) {
+       case IPATH_IB_LINKDOWN_ONLY:
+               ipath_set_ib_lstate(dd, INFINIPATH_IBCC_LINKCMD_DOWN <<
+                                   INFINIPATH_IBCC_LINKCMD_SHIFT);
+               /* don't wait */
+               ret = 0;
+               goto bail;
+
        case IPATH_IB_LINKDOWN:
                ipath_set_ib_lstate(dd, INFINIPATH_IBCC_LINKINITCMD_POLL <<
                                    INFINIPATH_IBCC_LINKINITCMD_SHIFT);
@@ -1709,16 +1715,6 @@ int ipath_set_linkstate(struct ipath_devdata *dd, u8 newstate)
                ret = 0;
                goto bail;
 
-       case IPATH_IB_LINKINIT:
-               if (dd->ipath_flags & IPATH_LINKINIT) {
-                       ret = 0;
-                       goto bail;
-               }
-               ipath_set_ib_lstate(dd, INFINIPATH_IBCC_LINKCMD_INIT <<
-                                   INFINIPATH_IBCC_LINKCMD_SHIFT);
-               lstate = IPATH_LINKINIT;
-               break;
-
        case IPATH_IB_LINKARM:
                if (dd->ipath_flags & IPATH_LINKARMED) {
                        ret = 0;