Re: [PATCH v2] mmc: renesas_sdhi_internal_dmac: set scatter/gather max segment size

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Hi Wolfram,

On 2018-08-31 13:04:59 +0200, Wolfram Sang wrote:
> On Fri, Aug 31, 2018 at 12:49:08PM +0200, Niklas Söderlund wrote:
> > On 2018-08-31 12:35:24 +0200, Wolfram Sang wrote:
> > > 
> > > > Promote drivers/gpu/drm/exynos/exynos_drm_iommu.c:configure_dma_max_seg_size()
> > > > to a generic helper?
> > > 
> > > Yes!
> > > 
> > If that is promoted should not
> > drivers/gpu/drm/exynos/exynos_drm_iommu.c:clear_dma_max_seg_size() also 
> > be promoted? And if so should this patch revert back to v1 with a custom 
> > remove function which clears and free the dma_parms ?
> 
> My preference would be easy to use helpers for drivers because this is
> easy to get wrong. I think we need to discuss with the creators of that
> API:
> 
> a) if the drm/exynos driver does the right thing(tm)
> b) if these functions should be generic helpers
> c) when to clear the pointer (a bit related to a))
> 
> Niklas, do you have an interest to do that? Or would you rather go with
> SDHI hacking? :) I can do it, too.
> 

If you would like to spearhead this please go a head :-) If not please 
let me know so it won't fall thru the cracks.

-- 
Regards,
Niklas Söderlund



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