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When mapping a dmamem page, make sure to trunc_pae the starting address

This commit is contained in:
matt 2016-07-22 19:50:44 +00:00
parent 09c0f3ded7
commit 96f7f6331a
1 changed files with 3 additions and 3 deletions
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6
sys/arch/mips/mips/bus_dma.c
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@ -1,4 +1,4 @@
/* $NetBSD: bus_dma.c,v 1.35 2016/07/16 21:33:46 matt Exp $ */
/* $NetBSD: bus_dma.c,v 1.36 2016/07/22 19:50:44 matt Exp $ */
/*-
* Copyright (c) 1997, 1998, 2001 The NetBSD Foundation, Inc.
@ -32,7 +32,7 @@
#include <sys/cdefs.h> /* RCS ID & Copyright macro defns */
__KERNEL_RCSID(0, "$NetBSD: bus_dma.c,v 1.35 2016/07/16 21:33:46 matt Exp $");
__KERNEL_RCSID(0, "$NetBSD: bus_dma.c,v 1.36 2016/07/22 19:50:44 matt Exp $");
#define _MIPS_BUS_DMA_PRIVATE
@ -1115,7 +1115,7 @@ _bus_dmamem_map(bus_dma_tag_t t, bus_dma_segment_t *segs, int nsegs,
*kvap = (void *)va;
for (curseg = 0; curseg < nsegs; curseg++) {
for (addr = segs[curseg].ds_addr;
for (addr = trunc_page(segs[curseg].ds_addr);
addr < (segs[curseg].ds_addr + segs[curseg].ds_len);
addr += PAGE_SIZE, va += PAGE_SIZE, size -= PAGE_SIZE) {
if (size == 0)