Subject: Re: [PATCH v1 1/2] iommu: pass cell_count = -1 to of_for_each_phandle with cells_name

From: Joerg Roedel <[email-masked]>
Date: Tue, 3 Sep 2019 14:52:10 +0200

On Sat, Aug 24, 2019 at 03:28:45PM +0200, Uwe Kleine-König wrote:
> Currently of_for_each_phandle ignores the cell_count parameter when a
> cells_name is given. I intend to change that and let the iterator fall
> back to a non-negative cell_count if the cells_name property is missing
> in the referenced node.
> 
> To not change how existing of_for_each_phandle's users iterate, fix them
> to pass cell_count = -1 when also cells_name is given which yields the
> expected behaviour with and without my change.
> 
> Signed-off-by: Uwe Kleine-König <[email-masked]>
> ---
>  drivers/iommu/arm-smmu.c     | 2 +-
>  drivers/iommu/mtk_iommu_v1.c | 2 +-
>  2 files changed, 2 insertions(+), 2 deletions(-)

Acked-by: Joerg Roedel <[email-masked]>

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