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Remove complaint: bus_dmamap_destroy() called for map with valid 

mappings bus_dma(9) states: "In the event that the DMA handle contains
a valid mapping, the mapping will be unloaded via the same mechanism
used by bus_dmamap_unload()."  And some drivers do mean to skip the
unload step.
This commit is contained in:
briggs 2002-06-28 15:21:00 +00:00
parent 16d1e38bf6
commit 1b3d605b4e
1 changed files with 9 additions and 5 deletions
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14
sys/arch/arm/arm32/bus_dma.c
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@ -1,4 +1,4 @@
/* $NetBSD: bus_dma.c,v 1.12 2002/06/02 14:44:42 drochner Exp $ */
/* $NetBSD: bus_dma.c,v 1.13 2002/06/28 15:21:00 briggs Exp $ */
/*-
* Copyright (c) 1996, 1997, 1998 The NetBSD Foundation, Inc.
@ -128,10 +128,14 @@ _bus_dmamap_destroy(bus_dma_tag_t t, bus_dmamap_t map)
#ifdef DEBUG_DMA
printf("dmamap_destroy: t=%p map=%p\n", t, map);
#endif /* DEBUG_DMA */
#ifdef DIAGNOSTIC
if (map->dm_nsegs > 0)
printf("bus_dmamap_destroy() called for map with valid mappings\n");
#endif /* DIAGNOSTIC */
/*
* Explicit unload.
*/
map->dm_mapsize = 0;
map->dm_nsegs = 0;
map->_dm_proc = NULL;
free(map, M_DEVBUF);
}