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Move the mutex initialization from avma1pp_bchannel_setup into

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avma1pp_attach_avma1pp, since the former may be called multiple
times and we only want to initialize the mutex once.

Submitted by: Thomas Moestl <tmoestl@gmx.net>
This commit is contained in:
Jonathan Lemon 2001-01-09 15:01:42 +00:00
parent 5f107f17b2
commit 13403f7fd8
1 changed files with 9 additions and 2 deletions
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11
sys/i4b/layer1/ifpi/i4b_ifpi_pci.c
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@ -495,6 +495,7 @@ avma1pp_attach_avma1pp(device_t dev)
void *ih = 0;
bus_space_handle_t bhandle;
bus_space_tag_t btag;
l1_bchan_state_t *chan;
s = splimp();
@ -647,6 +648,14 @@ avma1pp_attach_avma1pp(device_t dev)
/* init the ISAC */
ifpi_isac_init(sc);
/* Init the channel mutexes */
chan = &sc->sc_chan[HSCX_CH_A];
mtx_init(&chan->rx_queue.ifq_mtx, "i4b_avma1pp_rx", MTX_DEF);
mtx_init(&chan->tx_queue.ifq_mtx, "i4b_avma1pp_tx", MTX_DEF);
chan = &sc->sc_chan[HSCX_CH_B];
mtx_init(&chan->rx_queue.ifq_mtx, "i4b_avma1pp_rx", MTX_DEF);
mtx_init(&chan->tx_queue.ifq_mtx, "i4b_avma1pp_tx", MTX_DEF);
/* init the "HSCX" */
avma1pp_bchannel_setup(sc->sc_unit, HSCX_CH_A, BPROT_NONE, 0);
@ -1118,7 +1127,6 @@ avma1pp_bchannel_setup(int unit, int h_chan, int bprot, int activate)
/* receiver part */
chan->rx_queue.ifq_maxlen = IFQ_MAXLEN;
mtx_init(&chan->rx_queue.ifq_mtx, "i4b_avma1pp_rx", MTX_DEF);
i4b_Bcleanifq(&chan->rx_queue); /* clean rx queue */
@ -1133,7 +1141,6 @@ avma1pp_bchannel_setup(int unit, int h_chan, int bprot, int activate)
/* transmitter part */
chan->tx_queue.ifq_maxlen = IFQ_MAXLEN;
mtx_init(&chan->tx_queue.ifq_mtx, "i4b_avma1pp_tx", MTX_DEF);
i4b_Bcleanifq(&chan->tx_queue); /* clean tx queue */