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(parent: 4d88a8a) | 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)
commit0f181d3cf7d984b1af33d34557a8285852b0d3ec
treeb3b25569d9d99dedfa600cf5900ba8618367e496tree | snapshot
parent4d88a8a4c345cd16f634df855148cfb2a59a204acommit | 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 | blame | history
Linux 6.x block layer and io_uring tree(s)