[PATCH v2] iommu/rockchip: make clock handling optional

[Joerg Roedel]

On Tue, May 01, 2018 at 11:57:29AM +0200, Heiko Stuebner wrote:
> Ho Joerg,
> 
> Am Dienstag, 17. April 2018, 14:09:15 CEST schrieb Heiko Stuebner:
> > 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: f2e3a5f557ad ("iommu/rockchip: Control clocks needed to access the IOMMU")
> > Signed-off-by: Heiko Stuebner <heiko at sntech.de>
> > Reviewed-by: Robin Murphy <robin.murphy at arm.com>
> 
> could you pick up this patch as fix for 4.17 please?
> As without it, we loose display output with old devicetrees.

Applied to the iommu/fixes branch, thanks.