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Add missing locking.

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Whilst here, assert that the lock is held when calling epstop().

Tested:

ep0: <3com Megahertz 574B>
This commit is contained in:
Adrian Chadd 2014-08-21 00:57:32 +00:00
parent 9721a22d4a
commit f8cdacdd18
1 changed files with 5 additions and 0 deletions
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5
sys/dev/ep/if_ep.c
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@ -343,7 +343,9 @@ ep_attach(struct ep_softc *sc)
EP_FSET(sc, F_RX_FIRST);
sc->top = sc->mcur = 0;
EP_LOCK(sc);
epstop(sc);
EP_UNLOCK(sc);
return (0);
}
@ -1000,6 +1002,9 @@ epwatchdog(struct ep_softc *sc)
static void
epstop(struct ep_softc *sc)
{
EP_ASSERT_LOCKED(sc);
CSR_WRITE_2(sc, EP_COMMAND, RX_DISABLE);
CSR_WRITE_2(sc, EP_COMMAND, RX_DISCARD_TOP_PACK);
EP_BUSY_WAIT(sc);