Re: [PATCH 3/4] ARM: dma-mapping: Implement arch_iommu_detach_device()

Hi Thierry, I love your patch! Yet something to improve: [auto build test ERROR on linus/master] [also build test ERROR on v4.17-rc2 next-20180424] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url:

Re: [PATCH 3/4] ARM: dma-mapping: Implement arch_iommu_detach_device()

On Wed, Apr 25, 2018 at 11:18:14AM +0200, Thierry Reding wrote: [...] > diff --git a/arch/arm/mm/dma-mapping.c b/arch/arm/mm/dma-mapping.c > index 8c398fedbbb6..1957938d8c9c 100644 > --- a/arch/arm/mm/dma-mapping.c > +++ b/arch/arm/mm/dma-mapping.c > @@ -2366,6 +2366,21 @@ static void

[PATCH 3/4] ARM: dma-mapping: Implement arch_iommu_detach_device()

From: Thierry Reding Implement this function to enable drivers from detaching from any IOMMU domains that architecture code might have attached them to so that they can take exclusive control of the IOMMU via the IOMMU API. Signed-off-by: Thierry Reding