omap: iommu: fix wrong condition check for SUPERSECTION

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>

diff --git a/arch/arm/plat-omap/iommu.c b/arch/arm/plat-omap/iommu.c
index 4b60127..94584f1 100644 (file)
--- 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);