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Add some sanity checking to the pccard insertion case. Whine if the

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bridge tries to tell us about a new card when we have one already in
the socket.
This commit is contained in:
Warner Losh 2005-12-28 05:30:09 +00:00
parent 1bd8f78656
commit df2f828a8f
1 changed files with 6 additions and 4 deletions
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10
sys/dev/pccard/pccard.c
View file

@ -186,10 +186,10 @@ pccard_attach_card(device_t dev)
device_t child;
int i;
/*
* this is here so that when socket_enable calls gettype, trt happens
*/
STAILQ_INIT(&sc->card.pf_head);
if (!STAILQ_EMPTY(&sc->card.pf_head)) {
if (bootverbose || pccard_debug)
device_printf(dev, "Card already inserted.\n");
}
DEVPRINTF((dev, "chip_socket_enable\n"));
POWER_ENABLE_SOCKET(device_get_parent(dev), dev);
@ -325,6 +325,7 @@ pccard_detach_card(device_t dev)
STAILQ_REMOVE_HEAD(&sc->card.pf_head, pf_list);
free(pf, M_DEVBUF);
}
STAILQ_INIT(&sc->card.pf_head);
return (0);
}
@ -778,6 +779,7 @@ pccard_attach(device_t dev)
sc->sc_enabled_count = 0;
if ((err = pccard_device_create(sc)) != 0)
return (err);
STAILQ_INIT(&sc->card.pf_head);
return (bus_generic_attach(dev));
}