iommu/rockchip: Make clock handling optional

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iommu clocks are optional, so the driver should not fail if they are not
present. Instead just set the number of clocks to 0, which the clk-blk APIs
can handle just fine.

Fixes: f2e3a5f557 ("iommu/rockchip: Control clocks needed to access the IOMMU")
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Reviewed-by: Robin Murphy <robin.murphy@arm.com>
Tested-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>

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Heiko Stuebner 2018-04-17 14:09:15 +02:00 • committed by Joerg Roedel

parent 94c793acca

commit 2f8c7f2e76

1 changed files with 8 additions and 1 deletions

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drivers/iommu/rockchip-iommu.c

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