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omap: iommu: fix wrong condition check for SUPERSECTION

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A bit (2 << 0) is set both on SECTION and SUPERSECTION. To identify
SUPERSECTION correctly, other bits should be compared too.

Reported-by: "Srinivas Pulukuru" <srinivas.pulukuru@ti.com>
Signed-off-by: Hiroshi DOYU <Hiroshi.DOYU@nokia.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
This commit is contained in:
Hiroshi DOYU 2009-10-22 14:46:32 -07:00 committed by Tony Lindgren
parent 9da65a99e5
commit dcc730dc9d
1 changed files with 1 additions and 1 deletions
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2
arch/arm/plat-omap/iommu.c
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@ -664,7 +664,7 @@ static size_t iopgtable_clear_entry_core(struct iommu *obj, u32 da)
nent = 1; /* for the next L1 entry */ nent = 1; /* for the next L1 entry */
} else { } else {
bytes = IOPGD_SIZE; bytes = IOPGD_SIZE;
if (*iopgd & IOPGD_SUPER) { if ((*iopgd & IOPGD_SUPER) == IOPGD_SUPER) {
nent *= 16; nent *= 16;
/* rewind to the 1st entry */ /* rewind to the 1st entry */
iopgd = (u32 *)((u32)iopgd & IOSUPER_MASK); iopgd = (u32 *)((u32)iopgd & IOSUPER_MASK);