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Date:   Tue, 25 Sep 2018 10:37:05 -0700 (PDT)
From:   David Miller <davem@...emloft.net>
To:     michal.simek@...inx.com
Cc:     linux-kernel@...r.kernel.org, monstr@...str.eu,
        edgar.iglesias@...inx.com, netdev@...r.kernel.org,
        nicolas.ferre@...rochip.com
Subject: Re: [PATCH v2] net: macb: Clean 64b dma addresses if they are not
 detected

From: Michal Simek <michal.simek@...inx.com>
Date: Tue, 25 Sep 2018 08:32:50 +0200

> Clear ADDR64 dma bit in DMACFG register in case that HW_DMA_CAP_64B is
> not detected on 64bit system.
> The issue was observed when bootloader(u-boot) does not check macb
> feature at DCFG6 register (DAW64_OFFSET) and enabling 64bit dma support
> by default. Then macb driver is reading DMACFG register back and only
> adding 64bit dma configuration but not cleaning it out.
> 
> Signed-off-by: Michal Simek <michal.simek@...inx.com>
> ---
> 
> Changes in v2:
> - Clean reg at the first place - Edgar
> - Update commit message

Applied, thank you.

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