Re: [PATCH 1/2] mmc: renesas_sdhi: fix swiotlb buffer is full

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..snip..
> > >
> > > Anyway, I made v2 patches by using swiotlb related definitions. Would you check it?
> > 
> > Did I miss that email? As in was I cc-ed?
> 
> This was my fault. When I submitted v2 patches, I didn't include your email and iommu mailing list...

No problem.
> 
> > > https://patchwork.kernel.org/patch/10018879/
> > 
> > Why not use IO_TLB_SEGSIZE << IO_TLB_SHIFT or alternatively
> > swiotlb_max_segment?  See 5584f1b1d73e9
> 
> I already made such a patch as v2 and it was merged into mmc.git / fixes branch.
> 
> https://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc.git/commit/?h=fixes&id=e90e8da72ad694a16a4ffa6e5adae3610208f73b

What happens if the user has swiotlb=4096 on the command line (meaning
less than the default value)? Your max value will be incorrect. Could you use
swiotlb_max_segment?
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