diff options
Diffstat (limited to 'drivers/infiniband/hw/ipath/ipath_driver.c')
| -rw-r--r-- | drivers/infiniband/hw/ipath/ipath_driver.c | 28 |
1 files changed, 12 insertions, 16 deletions
diff --git a/drivers/infiniband/hw/ipath/ipath_driver.c b/drivers/infiniband/hw/ipath/ipath_driver.c index d5ff6ca2db30..ca4d0acc6786 100644 --- 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; |