iommu/rockchip: Use iopoll helpers to wait for hardware

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This patch converts the rockchip-iommu driver to use the in-kernel
iopoll helpers to wait for certain status bits to change in registers
instead of an open-coded custom macro.

Signed-off-by: Tomasz Figa <tfiga@chromium.org>
Signed-off-by: Jeffy Chen <jeffy.chen@rock-chips.com>
Reviewed-by: Robin Murphy <robin.murphy@arm.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>

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Tomasz Figa 2018-03-23 15:38:05 +08:00 • committed by Joerg Roedel

parent f6717d727c

commit 0416bf6479

1 changed files with 39 additions and 36 deletions

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drivers/iommu/rockchip-iommu.c

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