Tegra: smmu: change exit criteria for context size calculation
Tegra SoCs currently do not have a SMMU register at address 0xFFFFFFFF.
This patch changes the search criteria, to look for this marker, to
calculate the size of the saved context.
Change-Id: I15d91945ecb78267f91c45f37985dbb2327ca3ae
Signed-off-by: Varun Wadekar <vwadekar@nvidia.com>
diff --git a/plat/nvidia/tegra/common/drivers/smmu/smmu.c b/plat/nvidia/tegra/common/drivers/smmu/smmu.c
index 333d7d1..8c1b899 100644
--- a/plat/nvidia/tegra/common/drivers/smmu/smmu.c
+++ b/plat/nvidia/tegra/common/drivers/smmu/smmu.c
@@ -101,12 +101,13 @@
* the last entry. Sanity check the table size before we start with
* the context save operation.
*/
- while (smmu_ctx_regs[num_entries].val != 0xFFFFFFFFU) {
+ while ((smmu_ctx_regs[num_entries].reg != 0xFFFFFFFFU)) {
num_entries++;
}
/* panic if the sizes do not match */
if (num_entries != smmu_ctx_regs[0].val) {
+ ERROR("SMMU context size mismatch!");
panic();
}