Messages in this thread Patch in this message | | | From | Vivek Gautam <> | Subject | [PATCH v18 3/5] iommu/arm-smmu: Add the device_link between masters and smmu | Date | Tue, 27 Nov 2018 15:41:43 +0530 |
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From: Sricharan R <sricharan@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.
Signed-off-by: Sricharan R <sricharan@codeaurora.org> Signed-off-by: Vivek Gautam <vivek.gautam@codeaurora.org> Reviewed-by: Tomasz Figa <tfiga@chromium.org> Tested-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org> Reviewed-by: Robin Murphy <robin.murphy@arm.com> --- 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 5610cc736f9d..f02e0f58e696 100644 --- a/drivers/iommu/arm-smmu.c +++ b/drivers/iommu/arm-smmu.c @@ -1501,6 +1501,9 @@ 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: -- QUALCOMM INDIA, on behalf of Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, hosted by The Linux Foundation
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