netdev - Re: [PATCH V2 net 0/2] net: hns: fix some bugs about speed and duplex change

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Message-Id: <20180829.180839.1488343012807365399.davem@davemloft.net>
Date:   Wed, 29 Aug 2018 18:08:39 -0700 (PDT)
From:   David Miller <davem@...emloft.net>
To:     lipeng321@...wei.com
Cc:     netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        linuxarm@...wei.com, yisen.zhuang@...wei.com,
        salil.mehta@...wei.com
Subject: Re: [PATCH V2 net 0/2] net: hns: fix some bugs about speed and
 duplex change

From: Peng Li <lipeng321@...wei.com>
Date: Mon, 27 Aug 2018 09:59:28 +0800

> If there are packets in hardware when changing the spped
> or duplex, it may cause hardware hang up.
> 
> This patchset adds the code for waiting chip to clean the all
> pkts(TX & RX) in chip when the driver uses the function named
> "adjust link".
> 
> This patchset cleans the pkts as follows:
> 1) close rx of chip, close tx of protocol stack.
> 2) wait rcb, ppe, mac to clean.
> 3) adjust link
> 4) open rx of chip, open tx of protocol stack.

Series applied, thank you.