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(parent: 230fbc6) | patch
iommu/rockchip: Add runtime PM support
authorJeffy Chen <jeffy.chen@rock-chips.com>
Fri, 23 Mar 2018 07:38:13 +0000 (15:38 +0800)
committerJoerg Roedel <jroedel@suse.de>
Thu, 29 Mar 2018 10:22:28 +0000 (12:22 +0200)
commit2abb0b651a5f7caa1e178702411c599bd043b4b0
treeb3b25569d9d99dedfa600cf5900ba8618367e496tree | snapshot
parent230fbc6e30085096a7f2359bc2e0adc9e7336c7acommit | diff
iommu/rockchip: Add runtime PM support

When the power domain is powered off, the IOMMU cannot be accessed and
register programming must be deferred until the power domain becomes
enabled.

Add runtime PM support, and use runtime PM device link from IOMMU to
master to enable and disable IOMMU.

Signed-off-by: Jeffy Chen <jeffy.chen@rock-chips.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
drivers/iommu/rockchip-iommu.c diff | blob | history
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