[PATCH 1/1] device.h: arm, dma-iommu: Move out dma_iommu_mapping struct
ritesh.harjani at gmail.com
Thu Jun 5 02:18:07 PDT 2014
On Thu, Jun 5, 2014 at 12:29 AM, Greg KH <gregkh at linuxfoundation.org> wrote:
> On Thu, Jun 05, 2014 at 12:16:28AM +0530, Ritesh Harjani wrote:
>> Hi Greg,
>> Thanks for reviewing.
>> On Wed, Jun 4, 2014 at 11:21 PM, Greg KH <gregkh at linuxfoundation.org> wrote:
>> > On Wed, Jun 04, 2014 at 01:41:46PM +0530, ritesh.harjani at gmail.com wrote:
>> >> From: Ritesh Harjani <ritesh.harjani at gmail.com>
>> >> This patch moves out *mapping pointer of dma_iommu_mapping
>> >> from arch/arm/include/asm/device.h to include/liunux/device.h
>> > Why? Who else can use this becides arm devices?
>> Currently only arm and arm64 are the archs at this very moment but
>> later other archs can make use of this, as its an arch independent
>> code. (Similar to as some arch make use of iommu_area_alloc in
>> >> Also, it moves out complete structre definition of dma_iommu_mapping
>> >> to include/linux/iommu-helper.h
>> >> This is done since arm iommu's dma-mapping arch independent code,
>> >> needs to be moved out to lib/iommu-helper.c, this means
>> >> dma_iommu_mapping will be arch independent and later other archs
>> >> can make use of it.
>> > Will that really happen? Do you have patches that do that? I'd prefer
>> > to not do stuff like this until you have a patch series that needs it,
>> > otherwise this is just unneeded churn.
>> Yes, foll link has the patch series, (under review)
> Make this patch 1/3 of that series and resend, I don't want to take this
> one if the others are not accepted.
Sure I will do that.
> greg k-h
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