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Remove unnecessary cache flush.

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This commit is contained in:
tsubai 1998-05-30 06:16:06 +00:00
parent 560c0e7643
commit a8b4eda678
2 changed files with 8 additions and 4 deletions
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6
sys/arch/macppc/dev/esp.c
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@ -1,4 +1,4 @@
/* $NetBSD: esp.c,v 1.1 1998/05/15 10:15:48 tsubai Exp $ */
/* $NetBSD: esp.c,v 1.2 1998/05/30 06:16:06 tsubai Exp $ */
/*-
* Copyright (c) 1997 The NetBSD Foundation, Inc.
@ -546,17 +546,19 @@ espdmaintr(sc)
? NCR_READ_REG(nsc, NCR_TCH) : 0,
trans, resid));
#if 0
if (csr & D_WRITE) {
vm_offset_t va = (vm_offset_t)*sc->sc_dmaaddr;
int len = trans;
va = trunc_page(va);
while (len > 0) {
flushcache((void *)kvtop((caddr_t)va), NBPG);
flushcache(va, NBPG);
va += NBPG;
len -= NBPG;
}
}
#endif
*sc->sc_dmalen -= trans;
*sc->sc_dmaaddr += trans;

6
sys/arch/macppc/dev/if_mc.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: if_mc.c,v 1.1 1998/05/15 10:15:48 tsubai Exp $ */
/* $NetBSD: if_mc.c,v 1.2 1998/05/30 06:16:06 tsubai Exp $ */
/*-
* Copyright (c) 1997 David Huang <khym@bga.com>
@ -240,6 +240,7 @@ mc_dmaintr(arg)
i = 0;
cmd = &sc->sc_rxdmacmd[i];
/* flushcache(cmd, sizeof(dbdma_command_t)); */
status = dbdma_ld16(&cmd->d_status);
resid = dbdma_ld16(&cmd->d_resid);
@ -267,13 +268,14 @@ mc_dmaintr(arg)
DBDMA_BUILD_CMD(cmd, DBDMA_CMD_STOP, 0, 0, 0, 0);
__asm __volatile("eieio");
/* flushcache(sc->sc_rxbuf + offset, datalen + 4); */
sc->sc_rxframe.rx_rcvcnt = sc->sc_rxbuf[statoff + 0];
sc->sc_rxframe.rx_rcvsts = sc->sc_rxbuf[statoff + 1];
sc->sc_rxframe.rx_rntpc = sc->sc_rxbuf[statoff + 2];
sc->sc_rxframe.rx_rcvcc = sc->sc_rxbuf[statoff + 3];
sc->sc_rxframe.rx_frame = sc->sc_rxbuf + offset;
flushcache((char *)sc->sc_rxbuf_phys + offset, datalen + 4);
mc_rint(sc);
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