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From: Christoph Hellwig <hch@lst.de>
To: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Christoph Hellwig <hch@lst.de>,
	Greg Ungerer <gerg@linux-m68k.org>,
	linux-m68k <linux-m68k@lists.linux-m68k.org>,
	Linux IOMMU <iommu@lists.linux-foundation.org>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: [RFC] switch m68k to use the generic remapping DMA allocator
Date: Tue, 25 Jun 2019 08:33:01 +0200	[thread overview]
Message-ID: <20190625063301.GB29561@lst.de> (raw)
In-Reply-To: <CAMuHMdUbuTc+MWqDFw=RnYxtiNQPQkzJ91KDuAQbhMq533tBCQ@mail.gmail.com>

On Mon, Jun 24, 2019 at 09:16:30AM +0200, Geert Uytterhoeven wrote:
> Doing
> 
> -       select DMA_DIRECT_REMAP if MMU && !COLDFIRE
> +       select DMA_DIRECT_REMAP if MMU && !COLDFIRE && !SUN3
> 
> in arch/m68k/Kconfig fixes the build.
> 
> Alternatively, you could use:
> 
> -       select DMA_DIRECT_REMAP if MMU && !COLDFIRE
> +       select DMA_DIRECT_REMAP if HAS_DMA && MMU && !COLDFIRE

The latter might be a little cleaner.

WARNING: multiple messages have this Message-ID (diff)
From: Christoph Hellwig <hch@lst.de>
To: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	linux-m68k <linux-m68k@lists.linux-m68k.org>,
	Christoph Hellwig <hch@lst.de>,
	Linux IOMMU <iommu@lists.linux-foundation.org>,
	Greg Ungerer <gerg@linux-m68k.org>
Subject: Re: [RFC] switch m68k to use the generic remapping DMA allocator
Date: Tue, 25 Jun 2019 08:33:01 +0200	[thread overview]
Message-ID: <20190625063301.GB29561@lst.de> (raw)
In-Reply-To: <CAMuHMdUbuTc+MWqDFw=RnYxtiNQPQkzJ91KDuAQbhMq533tBCQ@mail.gmail.com>

On Mon, Jun 24, 2019 at 09:16:30AM +0200, Geert Uytterhoeven wrote:
> Doing
> 
> -       select DMA_DIRECT_REMAP if MMU && !COLDFIRE
> +       select DMA_DIRECT_REMAP if MMU && !COLDFIRE && !SUN3
> 
> in arch/m68k/Kconfig fixes the build.
> 
> Alternatively, you could use:
> 
> -       select DMA_DIRECT_REMAP if MMU && !COLDFIRE
> +       select DMA_DIRECT_REMAP if HAS_DMA && MMU && !COLDFIRE

The latter might be a little cleaner.
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  reply	other threads:[~2019-06-25  6:33 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-06-14 10:21 [RFC] switch m68k to use the generic remapping DMA allocator Christoph Hellwig
2019-06-14 10:21 ` Christoph Hellwig
2019-06-14 10:21 ` [PATCH 1/2] m68k: use the generic dma coherent remap allocator Christoph Hellwig
2019-06-14 10:21   ` Christoph Hellwig
2019-06-14 10:21 ` [PATCH 2/2] m68k: implement arch_dma_prep_coherent Christoph Hellwig
2019-06-14 10:21   ` Christoph Hellwig
2019-06-17 13:39 ` [RFC] switch m68k to use the generic remapping DMA allocator Greg Ungerer
2019-06-17 13:39   ` Greg Ungerer
2019-06-17 18:53 ` Geert Uytterhoeven
2019-06-17 18:53   ` Geert Uytterhoeven
2019-06-25  6:32   ` Christoph Hellwig
2019-06-25  6:32     ` Christoph Hellwig
2019-06-25  7:26     ` Geert Uytterhoeven
2019-06-25  7:26       ` Geert Uytterhoeven
2019-06-25  7:35       ` Christoph Hellwig
2019-06-25  7:35         ` Christoph Hellwig
2019-06-25  8:07         ` Geert Uytterhoeven
2019-06-25  8:07           ` Geert Uytterhoeven
2019-06-24  7:16 ` Geert Uytterhoeven
2019-06-24  7:16   ` Geert Uytterhoeven
2019-06-25  6:33   ` Christoph Hellwig [this message]
2019-06-25  6:33     ` Christoph Hellwig

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