On 30/08/18 15:45, Vivek Gautam wrote:
From: Sricharan R <sricha...@codeaurora.org>
Finally add the device link between the master device and
smmu, so that the smmu gets runtime enabled/disabled only when the
master needs it. This is done from add_device callback which gets
called once when the master is added to the smmu.
Reviewed-by: Robin Murphy <robin.mur...@arm.com>
Signed-off-by: Sricharan R <sricha...@codeaurora.org>
Signed-off-by: Vivek Gautam <vivek.gau...@codeaurora.org>
Reviewed-by: Tomasz Figa <tf...@chromium.org>
Tested-by: Srinivas Kandagatla <srinivas.kandaga...@linaro.org>
---
drivers/iommu/arm-smmu.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/iommu/arm-smmu.c b/drivers/iommu/arm-smmu.c
index 1bf542010be7..166c8c6da24f 100644
--- a/drivers/iommu/arm-smmu.c
+++ b/drivers/iommu/arm-smmu.c
@@ -1461,6 +1461,9 @@ static int arm_smmu_add_device(struct device *dev)
iommu_device_link(&smmu->iommu, dev);
+ device_link_add(dev, smmu->dev,
+ DL_FLAG_PM_RUNTIME | DL_FLAG_AUTOREMOVE_SUPPLIER);
+
return 0;
out_cfg_free:
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