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Fix bus_dmamap_sync() usage. 

This should not be a problem since BUS_DMASYNC_POSTWRITE is probably a no-op.
This commit is contained in:
itohy 2006-12-19 14:12:26 +00:00
parent 69647b7dbd
commit 41d24e831c
1 changed files with 11 additions and 15 deletions
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26
sys/dev/ic/ninjaata32.c
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@ -1,4 +1,4 @@
/* $NetBSD: ninjaata32.c,v 1.5 2006/11/16 01:32:52 christos Exp $ */
/* $NetBSD: ninjaata32.c,v 1.6 2006/12/19 14:12:26 itohy Exp $ */
/*
* Copyright (c) 2006 ITOH Yasufumi <itohy@NetBSD.org>.
@ -27,7 +27,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: ninjaata32.c,v 1.5 2006/11/16 01:32:52 christos Exp $");
__KERNEL_RCSID(0, "$NetBSD: ninjaata32.c,v 1.6 2006/12/19 14:12:26 itohy Exp $");
#include <sys/param.h>
#include <sys/kernel.h>
@ -542,6 +542,7 @@ njata32_dma_finish(void *v, int channel, int drive,
int force)
{
struct njata32_softc *sc = v;
struct njata32_device *dev = &sc->sc_dev[drive];
int bm;
int error = 0;
@ -550,8 +551,8 @@ njata32_dma_finish(void *v, int channel, int drive,
NJATA32_REG_BM)));
KASSERT(channel == 0);
KASSERT(sc->sc_dev[drive].d_flags & NJATA32_DEV_DMA_MAPPED);
KASSERT(sc->sc_dev[drive].d_flags & NJATA32_DEV_DMA_STARTED);
KASSERT(dev->d_flags & NJATA32_DEV_DMA_MAPPED);
KASSERT(dev->d_flags & NJATA32_DEV_DMA_STARTED);
bm = bus_space_read_1(NJATA32_REGT(sc), NJATA32_REGH(sc),
NJATA32_REG_BM);
@ -565,6 +566,11 @@ njata32_dma_finish(void *v, int channel, int drive,
bus_space_read_1(NJATA32_REGT(sc), NJATA32_REGH(sc), 0x1c));
#endif
bus_dmamap_sync(sc->sc_dmat, sc->sc_dmamap_sgt,
(char *)dev->d_sgt - (char *)sc->sc_sgtpg,
sizeof(struct njata32_sgtable) * sc->sc_piobm_nsegs,
BUS_DMASYNC_POSTWRITE);
/* check if DMA is active */
if (bm & NJATA32_BM_GO) {
error = WDC_DMAST_NOIRQ;
@ -626,7 +632,7 @@ njata32_dma_finish(void *v, int channel, int drive,
sc->sc_devflags = 0;
#ifdef DIAGNOSTIC
sc->sc_dev[drive].d_flags &= ~NJATA32_DEV_DMA_STARTED;
dev->d_flags &= ~NJATA32_DEV_DMA_STARTED;
#endif
return error;
@ -648,22 +654,12 @@ njata32_piobm_done(void *v, int channel, int drive)
KASSERT(dev->d_flags & NJATA32_DEV_DMA_MAPPED);
KASSERT((dev->d_flags & NJATA32_DEV_DMA_STARTED) == 0);
bus_dmamap_sync(sc->sc_dmat, sc->sc_dmamap_sgt,
(char *)dev->d_sgt - (char *)sc->sc_sgtpg,
sizeof(struct njata32_sgtable) * sc->sc_piobm_nsegs,
BUS_DMASYNC_POSTWRITE);
/* unload dma map */
bus_dmamap_sync(sc->sc_dmat, dev->d_dmamap_xfer,
0, dev->d_dmamap_xfer->dm_mapsize,
(dev->d_flags & NJATA32_DEV_DMA_READ) ?
BUS_DMASYNC_POSTREAD : BUS_DMASYNC_POSTWRITE);
bus_dmamap_sync(sc->sc_dmat, sc->sc_dmamap_sgt,
(char *)dev->d_sgt - (char *)sc->sc_sgtpg,
sizeof(struct njata32_sgtable) * NJATA32_NUM_SG,
BUS_DMASYNC_POSTWRITE);
bus_dmamap_unload(sc->sc_dmat, dev->d_dmamap_xfer);
dev->d_flags &= ~NJATA32_DEV_DMA_MAPPED;
}