[PATCH 18/23] iommu/tegra: smmu: Workaround PCIe IOMMU'able

[Hiroshi Doyu]

Make PCIe work as it is. IOMMU support can be implemented later.

Signed-off-by: Hiroshi Doyu <hdoyu at nvidia.com>
---
 drivers/iommu/tegra-smmu.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/iommu/tegra-smmu.c b/drivers/iommu/tegra-smmu.c
index 64da08a..6e82df3 100644
--- a/drivers/iommu/tegra-smmu.c
+++ b/drivers/iommu/tegra-smmu.c
@@ -402,6 +402,9 @@ static int __smmu_client_set_hwgrp(struct smmu_client *c,
 
 	for_each_set_bit(i, (unsigned long *)&map,
 			 sizeof(map) * BITS_PER_BYTE) {
+		if (i == SWGID_AFI) /* FIXME: IOMMU'able PCIe */
+			continue;
+
 		offs = HWGRP_ASID_REG(i);
 		val = smmu_read(smmu, offs);
 		if (on) {
-- 
1.8.1.5