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Accept any 'sc' value when probing atapi drives: with some drives, or

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controllers, or combination of both, the value can be different from the
expected one after a reset.
This commit is contained in:
bouyer 2000-05-12 15:00:33 +00:00
parent bb6de7f12f
commit 9b45dfba17
1 changed files with 4 additions and 5 deletions
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9
sys/dev/ic/wdc.c
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@ -1,4 +1,4 @@
/* $NetBSD: wdc.c,v 1.88 2000/04/05 06:27:36 mrg Exp $ */
/* $NetBSD: wdc.c,v 1.89 2000/05/12 15:00:33 bouyer Exp $ */
/*
@ -255,11 +255,10 @@ wdcprobe(chp)
chp->wdc ? chp->wdc->sc_dev.dv_xname : "wdcprobe",
chp->channel, drive, sc, sn, cl, ch), DEBUG_PROBE);
/*
* sc is supposted to be 0x1 for ATAPI but at last one drive
* set it to 0x0 - or maybe it's the controller.
* sc is supposted to be 0x1 for ATAPI but in some cases we
* get wrong values here, so ignore it.
*/
if ((sc == 0x00 || sc == 0x01) && sn == 0x01 &&
cl == 0x14 && ch == 0xeb) {
if (sn == 0x01 && cl == 0x14 && ch == 0xeb) {
chp->ch_drive[drive].drive_flags |= DRIVE_ATAPI;
} else {
chp->ch_drive[drive].drive_flags |= DRIVE_ATA;