netdev - Re: [PATCH net v1] net: phy: smsc: fix printing too many logs

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Message-ID: <20200617161925.GE205574@lunn.ch>
Date:   Wed, 17 Jun 2020 18:19:25 +0200
From:   Andrew Lunn <andrew@...n.ch>
To:     Dejin Zheng <zhengdejin5@...il.com>
Cc:     f.fainelli@...il.com, hkallweit1@...il.com, linux@...linux.org.uk,
        davem@...emloft.net, kuba@...nel.org, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Kevin Groeneveld <kgroeneveld@...il.com>
Subject: Re: [PATCH net v1] net: phy: smsc: fix printing too many logs

On Wed, Jun 17, 2020 at 11:33:40PM +0800, Dejin Zheng wrote:
> Commit 7ae7ad2f11ef47 ("net: phy: smsc: use phy_read_poll_timeout()
> to simplify the code") will print a lot of logs as follows when Ethernet
> cable is not connected:
> 
> [    4.473105] SMSC LAN8710/LAN8720 2188000.ethernet-1:00: lan87xx_read_status failed: -110
> 
> So fix it by read_poll_timeout().

Do you have a more detailed explanation of what is going on here?

After a lot of thought, i think i can see how this happens. But the
commit message should really spell out why this is the correct fix.

Thanks
	Andrew