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

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Message-ID: <39c484ba-a1c4-c444-0179-230b755b5e25@codeaurora.org>
Date:   Mon, 22 Jan 2018 22:48:27 -0600
From:   Timur Tabi <timur@...eaurora.org>
To:     Wang Dongsheng <dongsheng.wang@...-semitech.com>
Cc:     hpuranik@...eaurora.org, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v4] net: qcom/emac: extend DMA mask to 46bits

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>

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