summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--drivers/iommu/arm-smmu.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/iommu/arm-smmu.c b/drivers/iommu/arm-smmu.c
index bce312a99f52..4683f518cef4 100644
--- a/drivers/iommu/arm-smmu.c
+++ b/drivers/iommu/arm-smmu.c
@@ -59,6 +59,7 @@
#define ARM_MMU500_ACTLR_CPRE (1 << 1)
#define ARM_MMU500_ACR_CACHE_LOCK (1 << 26)
+#define ARM_MMU500_ACR_S2CRB_TLBEN (1 << 10)
#define ARM_MMU500_ACR_SMTNMB_TLBEN (1 << 8)
#define TLB_LOOP_TIMEOUT 1000000 /* 1s! */
@@ -1598,7 +1599,7 @@ static void arm_smmu_device_reset(struct arm_smmu_device *smmu)
* Allow unmatched Stream IDs to allocate bypass
* TLB entries for reduced latency.
*/
- reg |= ARM_MMU500_ACR_SMTNMB_TLBEN;
+ reg |= ARM_MMU500_ACR_SMTNMB_TLBEN | ARM_MMU500_ACR_S2CRB_TLBEN;
writel_relaxed(reg, gr0_base + ARM_SMMU_GR0_sACR);
}