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iommu: arm-smmu: Add support for hibernation

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Add support for hibernation use case with hibernation
freeze_late,thaw_early and  restore_early callbacks.

Change-Id: I6074029bb778954d00b2a6ad136874a6846b4b10
Signed-off-by: Venkatakrishnaiah Pari <quic_vpari@quicinc.com>
Signed-off-by: Darshankumar Jagdishchandra Thakkar <quic_djagdish@quicinc.com>
This commit is contained in:
Venkatakrishnaiah Pari 2022-07-07 23:15:46 -07:00 • committed by Gerrit - the friendly Code Review server
parent 77ebfeb4b9
commit dc87dfd707
1 changed files with 5 additions and 1 deletions
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6
drivers/iommu/arm/arm-smmu/arm-smmu.c
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@ -3777,10 +3777,14 @@ static int arm_smmu_pm_prepare(struct device *dev)
}
static const struct dev_pm_ops arm_smmu_pm_ops = {
SET_SYSTEM_SLEEP_PM_OPS(arm_smmu_pm_suspend, arm_smmu_pm_resume)
SET_RUNTIME_PM_OPS(arm_smmu_runtime_suspend,
arm_smmu_runtime_resume, NULL)
.prepare = arm_smmu_pm_prepare,
.suspend = arm_smmu_pm_suspend,
.resume = arm_smmu_pm_resume,
.thaw_early = arm_smmu_pm_resume,
.freeze_late = arm_smmu_pm_suspend,
.restore_early = arm_smmu_pm_resume,
};
static struct platform_driver arm_smmu_driver = {