From: Ben Dooks <ben.dooks@codethink.co.uk>
To: linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH] ARM: shmobile: set proper DMA masks for Ether devices
Date: Wed, 12 Feb 2014 11:49:20 +0000 [thread overview]
Message-ID: <52FB5FC0.3010808@codethink.co.uk> (raw)
In-Reply-To: <201402120255.25037.sergei.shtylyov@cogentembedded.com>
On 11/02/14 23:55, Sergei Shtylyov wrote:
> Ether MAC is a DMA-capable device and so should have 'dev.dma_mask' and
> 'dev.coherent_dma_mask' fields set properly, to reflect 32-bit DMA addressing
> ability. Currently, the code works without DMA masks but in the future, when
> support for NETIF_F_HIGHDMA & NETIF_F_SG would be added to the 'sh_eth' driver,
> the DMA masks should start to matter...
>
> Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Hi, do you have a git branch available with all the changes for getting
ethernet working on rcar please?
--
Ben Dooks http://www.codethink.co.uk/
Senior Engineer Codethink - Providing Genius
WARNING: multiple messages have this Message-ID (diff)
From: ben.dooks@codethink.co.uk (Ben Dooks)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] ARM: shmobile: set proper DMA masks for Ether devices
Date: Wed, 12 Feb 2014 11:49:20 +0000 [thread overview]
Message-ID: <52FB5FC0.3010808@codethink.co.uk> (raw)
In-Reply-To: <201402120255.25037.sergei.shtylyov@cogentembedded.com>
On 11/02/14 23:55, Sergei Shtylyov wrote:
> Ether MAC is a DMA-capable device and so should have 'dev.dma_mask' and
> 'dev.coherent_dma_mask' fields set properly, to reflect 32-bit DMA addressing
> ability. Currently, the code works without DMA masks but in the future, when
> support for NETIF_F_HIGHDMA & NETIF_F_SG would be added to the 'sh_eth' driver,
> the DMA masks should start to matter...
>
> Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Hi, do you have a git branch available with all the changes for getting
ethernet working on rcar please?
--
Ben Dooks http://www.codethink.co.uk/
Senior Engineer Codethink - Providing Genius
next prev parent reply other threads:[~2014-02-12 11:49 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-02-11 22:55 [PATCH] ARM: shmobile: set proper DMA masks for Ether devices Sergei Shtylyov
2014-02-11 23:55 ` Sergei Shtylyov
2014-02-12 1:35 ` Simon Horman
2014-02-12 1:35 ` Simon Horman
2014-02-12 11:32 ` Sergei Shtylyov
2014-02-12 23:45 ` Simon Horman
2014-02-12 23:45 ` Simon Horman
2014-02-12 11:49 ` Ben Dooks [this message]
2014-02-12 11:49 ` Ben Dooks
2014-02-12 13:25 ` Sergei Shtylyov
2014-02-12 13:25 ` Sergei Shtylyov
2014-02-12 14:28 ` Ben Dooks
2014-02-12 14:28 ` Ben Dooks
2014-02-12 14:58 ` Sergei Shtylyov
2014-02-12 14:58 ` Sergei Shtylyov
2014-02-12 15:11 ` Ben Dooks
2014-02-12 15:11 ` Ben Dooks
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