netdev - Re: [PATCHv2 1/2] drivers: net: davinci_mdio: remove busy loop on wait user access

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Date:   Fri, 11 Aug 2017 14:24:29 -0700 (PDT)
From:   David Miller <davem@...emloft.net>
To:     muvarov@...il.com
Cc:     netdev@...r.kernel.org, linux-omap@...r.kernel.org,
        grygorii.strashko@...com
Subject: Re: [PATCHv2 1/2] drivers: net: davinci_mdio: remove busy loop on
 wait user access

From: Max Uvarov <muvarov@...il.com>
Date: Thu, 10 Aug 2017 10:47:46 +0300

> Polling 14 mdio devices on single mdio bus eats 30% of 1Ghz cpu time
> due to busy loop in wait(). Add small delay to relax cpu.
> 
> Signed-off-by: Max Uvarov <muvarov@...il.com>

Applied to net-next.