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Message-ID: <20200630100947.GL28824@8bytes.org>
Date:   Tue, 30 Jun 2020 12:09:48 +0200
From:   Joerg Roedel <joro@...tes.org>
To:     Robin Murphy <robin.murphy@....com>
Cc:     Geert Uytterhoeven <geert@...ux-m68k.org>,
        Maxime Ripard <maxime@...no.tech>,
        iommu@...ts.linux-foundation.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] iommu: SUN50I_IOMMU should depend on HAS_DMA

On Mon, Jun 29, 2020 at 05:29:36PM +0100, Robin Murphy wrote:
> On 2020-06-29 13:11, Geert Uytterhoeven wrote:
> > If NO_DMA=y (e.g. Sun-3 all{mod,yes}-config):
> > 
> >      drivers/iommu/dma-iommu.o: In function `iommu_dma_mmap':
> >      dma-iommu.c:(.text+0x92e): undefined reference to `dma_pgprot'
> > 
> > IOMMU_DMA must not be selected, unless HAS_DMA=y.
> 
> Wait, no, IOMMU_DMA should not be selected by drivers at all - it's for arch
> code to choose.

Okay, but that is a different fix, right? I queued this patch for v5.8
for now.

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