[PATCH 03/10] omap: iommu: fix wrong condition check for SUPERSECTION

Tony Lindgren
2009-10-22T22:11:48Z

From: Hiroshi DOYU <Hiroshi.DOYU@nokia.com>

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>
---
arch/arm/plat-omap/iommu.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/arch/arm/plat-omap/iommu.c b/arch/arm/plat-omap/iommu.c
index 4b60127..94584f1 100644
--- a/arch/arm/plat-omap/iommu.c
+++ b/arch/arm/plat-omap/iommu.c
@@ -664,7 +664,7 @@ static size_t iopgtable_clear_entry_core(struct iommu *obj, u32 da)
nent = 1; /* for the next L1 entry */
} else {
bytes = IOPGD_SIZE;
- if (*iopgd & IOPGD_SUPER) {
+ if ((*iopgd & IOPGD_SUPER) == IOPGD_SUPER) {
nent *= 16;
/* rewind to the 1st entry */
iopgd = (u32 *)((u32)iopgd & IOSUPER_MASK);