diff mbox series

iommu: qcom-smmu: allow SID 0

Message ID 20241113050214.1845595-1-caleb.connolly@linaro.org
State New
Headers show
Series iommu: qcom-smmu: allow SID 0 | expand

Commit Message

Caleb Connolly Nov. 13, 2024, 5 a.m. UTC 
It turns out this is a very real stream ID. Who woulda thought?

Drop the 0 check on the SID, there's no reason for it to be there in the first
place.

Signed-off-by: Caleb Connolly <caleb.connolly@linaro.org>
---
 drivers/iommu/qcom-hyp-smmu.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/drivers/iommu/qcom-hyp-smmu.c b/drivers/iommu/qcom-hyp-smmu.c
index 1b5a09bb7b39..7e07487ad384 100644
--- a/drivers/iommu/qcom-hyp-smmu.c
+++ b/drivers/iommu/qcom-hyp-smmu.c
@@ -133,9 +133,9 @@  static int get_stream_id(struct udevice *dev)
 	struct ofnode_phandle_args args;
 	int count = ofnode_parse_phandle_with_args(node, "iommus",
 						   "#iommu-cells", 0, 0, &args);
 
-	if (count < 0 || args.args[0] == 0) {
+	if (count < 0) {
 		printf("Error: %s: iommus property not found or wrong number of cells\n",
 		       __func__);
 		return -EINVAL;
 	}