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Fix a brain fart. Since this file is shared between i386 and amd64, a

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bus_size_t may be 32 or 64 bits.  Change the bounce_zone alignment field
to explicitly be 32 bits, as I can't really imagine a DMA device that
needs anything close to 2GB alignment of data.
This commit is contained in:
Matthew D Fleming 2011-01-12 21:08:49 +00:00
parent dd616d40f7
commit 407dcb49df
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=217330
1 changed files with 3 additions and 3 deletions
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6
sys/x86/x86/busdma_machdep.c
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@ -100,7 +100,7 @@ struct bounce_zone {
int total_bounced;
int total_deferred;
int map_count;
bus_size_t alignment;
uint32_t alignment;
bus_addr_t lowaddr;
char zoneid[8];
char lowaddrid[20];
@ -1060,9 +1060,9 @@ alloc_bounce_zone(bus_dma_tag_t dmat)
SYSCTL_ADD_STRING(busdma_sysctl_tree(bz),
SYSCTL_CHILDREN(busdma_sysctl_tree_top(bz)), OID_AUTO,
"lowaddr", CTLFLAG_RD, bz->lowaddrid, 0, "");
SYSCTL_ADD_UQUAD(busdma_sysctl_tree(bz),
SYSCTL_ADD_UINT(busdma_sysctl_tree(bz),
SYSCTL_CHILDREN(busdma_sysctl_tree_top(bz)), OID_AUTO,
"alignment", CTLFLAG_RD, &bz->alignment, "");
"alignment", CTLFLAG_RD, &bz->alignment, 0, "");
return (0);
}