diff options
Diffstat (limited to 'sys/dev')
| -rw-r--r-- | sys/dev/fdc/fdc.c | 6 | ||||
| -rw-r--r-- | sys/dev/ieee488/ibfoo.c | 8 |
2 files changed, 0 insertions, 14 deletions
diff --git a/sys/dev/fdc/fdc.c b/sys/dev/fdc/fdc.c index 458c839..ed621b2 100644 --- a/sys/dev/fdc/fdc.c +++ b/sys/dev/fdc/fdc.c @@ -781,11 +781,9 @@ fdc_worker(struct fdc_data *fdc) /* Disable ISADMA if we bailed while it was active */ if (fd != NULL && (fd->flags & FD_ISADMA)) { - mtx_lock(&Giant); isa_dmadone( bp->bio_cmd & BIO_READ ? ISADMA_READ : ISADMA_WRITE, fd->fd_ioptr, fd->fd_iosize, fdc->dmachan); - mtx_unlock(&Giant); mtx_lock(&fdc->fdc_mtx); fd->flags &= ~FD_ISADMA; mtx_unlock(&fdc->fdc_mtx); @@ -958,11 +956,9 @@ fdc_worker(struct fdc_data *fdc) /* Setup ISADMA if we need it and have it */ if ((bp->bio_cmd & (BIO_READ|BIO_WRITE|BIO_FMT)) && !(fdc->flags & FDC_NODMA)) { - mtx_lock(&Giant); isa_dmastart( bp->bio_cmd & BIO_READ ? ISADMA_READ : ISADMA_WRITE, fd->fd_ioptr, fd->fd_iosize, fdc->dmachan); - mtx_unlock(&Giant); mtx_lock(&fdc->fdc_mtx); fd->flags |= FD_ISADMA; mtx_unlock(&fdc->fdc_mtx); @@ -1040,11 +1036,9 @@ fdc_worker(struct fdc_data *fdc) /* Finish DMA */ if (fd->flags & FD_ISADMA) { - mtx_lock(&Giant); isa_dmadone( bp->bio_cmd & BIO_READ ? ISADMA_READ : ISADMA_WRITE, fd->fd_ioptr, fd->fd_iosize, fdc->dmachan); - mtx_unlock(&Giant); mtx_lock(&fdc->fdc_mtx); fd->flags &= ~FD_ISADMA; mtx_unlock(&fdc->fdc_mtx); diff --git a/sys/dev/ieee488/ibfoo.c b/sys/dev/ieee488/ibfoo.c index f199920..7458d8b 100644 --- a/sys/dev/ieee488/ibfoo.c +++ b/sys/dev/ieee488/ibfoo.c @@ -397,18 +397,14 @@ dma_idata(struct upd7210 *u, u_char *data, int len) KASSERT(u->dmachan >= 0, ("Bogus dmachan %d", u->dmachan)); ib = u->ibfoo; ib->mode = DMA_IDATA; - mtx_lock(&Giant); isa_dmastart(ISADMA_READ, data, len, u->dmachan); - mtx_unlock(&Giant); mtx_lock(&u->mutex); upd7210_wr(u, IMR1, IXR1_ENDRX); upd7210_wr(u, IMR2, IMR2_DMAI); gpib_ib_wait_xfer(u, ib); mtx_unlock(&u->mutex); - mtx_lock(&Giant); j = isa_dmastatus(u->dmachan); isa_dmadone(ISADMA_READ, data, len, u->dmachan); - mtx_unlock(&Giant); return (len - j); } @@ -790,14 +786,12 @@ gpib_ib_open(struct cdev *dev, int oflags, int devtype, struct thread *td) mtx_unlock(&u->mutex); if (u->dmachan >= 0) { - mtx_lock(&Giant); error = isa_dma_acquire(u->dmachan); if (!error) { error = isa_dma_init(u->dmachan, PAGE_SIZE, M_WAITOK); if (error) isa_dma_release(u->dmachan); } - mtx_unlock(&Giant); } if (error) { @@ -855,9 +849,7 @@ gpib_ib_close(struct cdev *dev, int oflags, int devtype, struct thread *td) free(ib, M_IBFOO); if (u->dmachan >= 0) { - mtx_lock(&Giant); isa_dma_release(u->dmachan); - mtx_unlock(&Giant); } mtx_lock(&u->mutex); u->busy = 0; |
