[PATCH kernel v11 04/34] powerpc/iommu: Put IOMMU group explicitly

[David Gibson]

On Fri, May 29, 2015 at 06:44:28PM +1000, Alexey Kardashevskiy wrote:
> So far an iommu_table lifetime was the same as PE. Dynamic DMA windows
> will change this and iommu_free_table() will not always require
> the group to be released.
> 
> This moves iommu_group_put() out of iommu_free_table().
> 
> This adds a iommu_pseries_free_table() helper which does
> iommu_group_put() and iommu_free_table(). Later it will be
> changed to receive a table_group and we will have to change less
> lines then.
> 
> This should cause no behavioural change.
> 
> Signed-off-by: Alexey Kardashevskiy <aik at ozlabs.ru>
> Reviewed-by: Gavin Shan <gwshan at linux.vnet.ibm.com>

Reviewed-by: David Gibson <david at gibson.dropbear.id.au>

-- 
David Gibson			| I'll have my music baroque, and my code
david AT gibson.dropbear.id.au	| minimalist, thank you.  NOT _the_ _other_
				| _way_ _around_!
http://www.ozlabs.org/~dgibson
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