linux-kernel - Re: Re: [PATCH v4] net: qcom/emac: extend DMA mask to 46bits

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Date:   Tue, 23 Jan 2018 05:51:07 +0000
From:   "Wang, Dongsheng" <dongsheng.wang@...-semitech.com>
To:     Timur Tabi <timur@...eaurora.org>
CC:     "hpuranik@...eaurora.org" <hpuranik@...eaurora.org>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: Re: [PATCH v4] net: qcom/emac: extend DMA mask to 46bits

Thanks.

Cheers,
-Dongsheng

On 2018/1/23 12:48:27, "Timur Tabi" <timur@...eaurora.org> wrote:

>On 1/22/18 10:25 PM, Wang Dongsheng wrote:
>>Bit TPD3[31] is used as a timestamp bit if PTP is enabled, but
>>it's used as an address bit if PTP is disabled.  Since PTP isn't
>>supported by the driver, we can extend the DMA address to 46 bits.
>>
>>Signed-off-by: Wang Dongsheng<dongsheng.wang@...-semitech.com>
>
>Acked-by: Timur Tabi <timur@...eaurora.org>
>
>--
>Qualcomm Datacenter Technologies, Inc. as an affiliate of Qualcomm
>Technologies, Inc.  Qualcomm Technologies, Inc. is a member of the
>Code Aurora Forum, a Linux Foundation Collaborative Project.