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IB/qib: Handle transitions from ACTIVE_DEFERRED to ACTIVE better

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When the link transitions from ACTIVE_DEFERRED to ACTIVE, the driver
only sees the ACTIVE state. With this change, it will check whether
the state was already ACTIVE and if so, it will not generated IB
events and will not clear symbol error counts.

Signed-off-by: Mike Marciniszyn <mike.marciniszyn@qlogic.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
This commit is contained in:
Mike Marciniszyn 2011-01-10 17:42:20 -08:00 committed by Roland Dreier
parent c7665e5a69
commit b3d5cb2f20
1 changed files with 2 additions and 1 deletions
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3
drivers/infiniband/hw/qib/qib_intr.c
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@ -131,7 +131,8 @@ void qib_handle_e_ibstatuschanged(struct qib_pportdata *ppd, u64 ibcs)
/* start a 75msec timer to clear symbol errors */
mod_timer(&ppd->symerr_clear_timer,
msecs_to_jiffies(75));
} else if (ltstate == IB_PHYSPORTSTATE_LINKUP) {
} else if (ltstate == IB_PHYSPORTSTATE_LINKUP &&
!(ppd->lflags & QIBL_LINKACTIVE)) {
/* active, but not active defered */
qib_hol_up(ppd); /* useful only for 6120 now */
*ppd->statusp |=