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o Check the size of I/O window handed by parent bus.

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This commit is contained in:
Noriaki Mitsunaga 2001-02-25 14:01:46 +00:00
parent fe80cc3e0d
commit b94193dfc1
1 changed files with 7 additions and 2 deletions
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9
sys/dev/stg/tmc18c30_pccard.c
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@ -138,12 +138,17 @@ static int
stg_alloc_resource(DEVPORT_PDEVICE dev)
{
struct stg_softc *sc = device_get_softc(dev);
u_long maddr, msize;
u_long ioaddr, iosize, maddr, msize;
int error;
error = bus_get_resource(dev, SYS_RES_IOPORT, 0, &ioaddr, &iosize);
if (error || iosize < STGIOSZ) {
return(ENOMEM);
}
sc->port_rid = 0;
sc->port_res = bus_alloc_resource(dev, SYS_RES_IOPORT, &sc->port_rid,
0, ~0, STGIOSZ, RF_ACTIVE);
0, ~0, 0, RF_ACTIVE);
if (sc->port_res == NULL) {
stg_release_resource(dev);
return(ENOMEM);