netdev - Re: [PATCH] net: via: VIA_RHINE and VIA_VELOCITY should depend on HAS

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Message-ID: <CAAj6DX3VmUguq+rqyDWY0ezKmUuFe6-j0YZ8yv7He4JWyf4Ocw@mail.gmail.com>
Date:	Sat, 27 Jun 2015 14:38:45 +0800
From:	Antonio Borneo <borneo.antonio@...il.com>
To:	Sergei Shtylyov <sergei.shtylyov@...entembedded.com>
Cc:	Geert Uytterhoeven <geert@...ux-m68k.org>,
	"David S. Miller" <davem@...emloft.net>, netdev@...r.kernel.org,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] net: via: VIA_RHINE and VIA_VELOCITY should depend on HAS_DMA

On Fri, Jun 26, 2015 at 9:21 PM, Sergei Shtylyov
<sergei.shtylyov@...entembedded.com> wrote:
> Hello.
>
> On 6/26/2015 3:08 PM, Geert Uytterhoeven wrote:
>
>> If NO_DMA=y:
>
>
>>      ERROR: "dma_sync_single_for_cpu"
>> [drivers/net/ethernet/via/via-rhine.ko] undefined!
>>      ERROR: "dma_set_mask" [drivers/net/ethernet/via/via-rhine.ko]
>> undefined!
>>      ERROR: "dma_mapping_error" [drivers/net/ethernet/via/via-rhine.ko]
>> undefined!
>>      ERROR: "dma_map_single" [drivers/net/ethernet/via/via-rhine.ko]
>> undefined!
>>      ERROR: "dma_alloc_coherent" [drivers/net/ethernet/via/via-rhine.ko]
>> undefined!
>>      ERROR: "dma_free_coherent" [drivers/net/ethernet/via/via-rhine.ko]
>> undefined!
>>      ERROR: "dma_unmap_single" [drivers/net/ethernet/via/via-rhine.ko]
>> undefined!
>>      ERROR: "dma_map_page" [drivers/net/ethernet/via/via-velocity.ko]
>> undefined!
>>      ERROR: "dma_sync_single_for_cpu"
>> [drivers/net/ethernet/via/via-velocity.ko] undefined!
>>      ERROR: "dma_free_coherent" [drivers/net/ethernet/via/via-velocity.ko]
>> undefined!
>>      ERROR: "dma_unmap_single" [drivers/net/ethernet/via/via-velocity.ko]
>> undefined!
>>      ERROR: "dma_map_single" [drivers/net/ethernet/via/via-velocity.ko]
>> undefined!
>>      ERROR: "dma_alloc_coherent"
>> [drivers/net/ethernet/via/via-velocity.ko] undefined!
>
>
>> Before, the symbols depended implicitly on HAS_DMA through PCI or
>> USE_OF.  Add explicit dependencies on HAS_DMA to fix this.
>
>
>> Fixes: commit b7d3282a245f4428 ("net: via/Kconfig: replace USE_OF with
>> OF_???")
>
>
> Fixes: b7d3282a245f ("net: via/Kconfig: replace USE_OF with OF_???")
>
>> Signed-off-by: Geert Uytterhoeven <geert@...ux-m68k.org>
>
>
> WBR, Sergei
>

Yes, I can confirm it.
If HAS_DMA is not defined the build is broken.
Your patch fixes the issue.

Thanks,
Antonio
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