netdev - Re: [PATCH v2] net: sh-eth: Add flag to determine the type of TSU register

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Date:	Tue, 04 Jun 2013 21:19:48 +0400
From:	Sergei Shtylyov <sergei.shtylyov@...entembedded.com>
To:	Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@...esas.com>
CC:	netdev@...r.kernel.org, yoshihiro.shimoda.uh@...esas.com
Subject: Re: [PATCH v2] net: sh-eth: Add flag to determine the type of TSU
 register

Hello.

On 05/07/2013 06:44 PM, I wrote:

>    You shouldn't have posted this patch (and the subsequent series) 
> during the merge window, as David will probably tell you.
>
> On 07-05-2013 9:08, Nobuhiro Iwamatsu wrote:
>
>> Some sh-eth devices may have two ether devices inside.
>
>    You probably meant to say: "some SoCs may have two Ether devices 
> inside".
>
>> And the function of TSU is accessed from each ether device.
>> In this case, sh-eth need to remap address using devm_ioremap(),
>> without using devm_ioremap_resource().
>
>    You could use devm_ioremap_resource() for the 1st Ether instance, 
> and devm_ioremap() for the 2nd, couldn't you?

     Wait, you can't have the same resource on both platform devices, 
that's a resource conflict.

>
>> tsu_shared_reg of sh_eth_cpu_data is used for this control.
>
>> Signed-off-by: Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@...esas.com>
>

WBR, Sergei

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