Date: Fri, 17 Feb 2012 03:23:01 +0000 (UTC) From: Adrian Chadd <adrian@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r231854 - head/sys/dev/ath Message-ID: <201202170323.q1H3N1SW047628@svn.freebsd.org>
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Author: adrian Date: Fri Feb 17 03:23:01 2012 New Revision: 231854 URL: http://svn.freebsd.org/changeset/base/231854 Log: Begin breaking out the txrx stop code into a locked and unlocked variant. PR: kern/165220 Modified: head/sys/dev/ath/if_ath.c Modified: head/sys/dev/ath/if_ath.c ============================================================================== --- head/sys/dev/ath/if_ath.c Fri Feb 17 03:01:29 2012 (r231853) +++ head/sys/dev/ath/if_ath.c Fri Feb 17 03:23:01 2012 (r231854) @@ -1903,15 +1903,16 @@ ath_stop_locked(struct ifnet *ifp) #define MAX_TXRX_ITERATIONS 1000 static void -ath_txrx_stop(struct ath_softc *sc) +ath_txrx_stop_locked(struct ath_softc *sc) { int i = MAX_TXRX_ITERATIONS; ATH_UNLOCK_ASSERT(sc); + ATH_PCU_LOCK_ASSERT(sc); + /* Stop any new TX/RX from occuring */ taskqueue_block(sc->sc_tq); - ATH_PCU_LOCK(sc); /* * Sleep until all the pending operations have completed. * @@ -1925,7 +1926,6 @@ ath_txrx_stop(struct ath_softc *sc) msleep(sc, &sc->sc_pcu_mtx, 0, "ath_txrx_stop", 1); i--; } - ATH_PCU_UNLOCK(sc); if (i <= 0) device_printf(sc->sc_dev, @@ -1935,6 +1935,17 @@ ath_txrx_stop(struct ath_softc *sc) #undef MAX_TXRX_ITERATIONS static void +ath_txrx_stop(struct ath_softc *sc) +{ + ATH_UNLOCK_ASSERT(sc); + ATH_PCU_UNLOCK_ASSERT(sc); + + ATH_PCU_LOCK(sc); + ath_txrx_stop_locked(sc); + ATH_PCU_UNLOCK(sc); +} + +static void ath_txrx_start(struct ath_softc *sc) {
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