| Message ID | 20241113050214.1845595-1-caleb.connolly@linaro.org |
|---|---|
| State | New |
| Headers | show |
| Series | iommu: qcom-smmu: allow SID 0 | expand |
On 13/11/2024 06:00, Caleb Connolly wrote: > 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 --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; > } Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
On Wed, 13 Nov 2024 06:00:56 +0100, Caleb Connolly wrote: > 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. > > Applied, thanks! [1/1] iommu: qcom-smmu: allow SID 0 commit: 2417f56520bf88f97ce791adcf713727d381dae1 Best regards,
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; }
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(-)