netdev - Re: [PATCH] net: qcom/emac: fix the error of tpd buff address valid bit

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Message-ID: <59e1172c-6723-ca75-2ee5-f711f6d883cb@gmail.com>
Date:   Fri, 10 Nov 2017 21:24:36 +0800
From:   "Wang, Dongsheng" <wdsch86@...il.com>
To:     Timur Tabi <timur@...eaurora.org>
Cc:     netdev@...r.kernel.org
Subject: Re: [PATCH] net: qcom/emac: fix the error of tpd buff address valid
 bit

Hey, Timur,


On 2017/11/10 20:57, Timur Tabi wrote:
> On 11/10/17 3:49 AM, Wang Dongsheng wrote:
>> TPD has 46-bits as buff address valid bit. So fix the buff address
>> from 45-bits to 46-bits.
>
> NAK.
>
> The TPD has 45 bits.  Why do you say it was 46?
>
On QDF2400, EMAC TPD buff address size is [45:0]. buff address_l [31:0], 
buff address_h [31:18].
The address_h should change from [30:18] to [31:18]. So TPD buff address 
should has 46bits.

Cheers,
-Dongsheng