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Make this work after it got broken a year ago in r1.15 (pasto?): 

In qeattach() sc->sc_rb.rb_dmabase needs to be set after the buffer got
loaded via bus_dmamem_map(), not before.

Fixes my own pr kern/15817.
This commit is contained in:
frueauf 2002-03-06 19:10:58 +00:00
parent 9481b68d9a
commit 089f361f5b
1 changed files with 3 additions and 3 deletions
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6
sys/dev/sbus/qe.c
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@ -1,4 +1,4 @@
/* $NetBSD: qe.c,v 1.19 2001/11/13 06:58:17 lukem Exp $ */
/* $NetBSD: qe.c,v 1.20 2002/03/06 19:10:58 frueauf Exp $ */
/*-
* Copyright (c) 1999 The NetBSD Foundation, Inc.
@ -73,7 +73,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: qe.c,v 1.19 2001/11/13 06:58:17 lukem Exp $");
__KERNEL_RCSID(0, "$NetBSD: qe.c,v 1.20 2002/03/06 19:10:58 frueauf Exp $");
#define QEDEBUG
@ -286,7 +286,6 @@ qeattach(parent, self, aux)
self->dv_xname, error);
return;
}
sc->sc_rb.rb_dmabase = sc->sc_dmamap->dm_segs[0].ds_addr;
/* Map DMA buffer in CPU addressable space */
if ((error = bus_dmamem_map(dmatag, &seg, rseg, size,
@ -308,6 +307,7 @@ qeattach(parent, self, aux)
bus_dmamem_free(dmatag, &seg, rseg);
return;
}
sc->sc_rb.rb_dmabase = sc->sc_dmamap->dm_segs[0].ds_addr;
/* Initialize media properties */
ifmedia_init(&sc->sc_ifmedia, 0, qe_ifmedia_upd, qe_ifmedia_sts);