netdev - Re: [PATCH resend] Renesas Ethernet AVB driver

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Date:	Sat, 28 Mar 2015 06:17:13 +0100
From:	Lino Sanfilippo <LinoSanfilippo@....de>
To:	Sergei Shtylyov <sergei.shtylyov@...entembedded.com>,
	robh+dt@...nel.org, pawel.moll@....com, mark.rutland@....com,
	ijc+devicetree@...lion.org.uk, devicetree@...r.kernel.org,
	galak@...eaurora.org, netdev@...r.kernel.org
CC:	linux-sh@...r.kernel.org
Subject: Re: [PATCH resend] Renesas Ethernet AVB driver

Hi,

On 28.03.2015 00:13, Sergei Shtylyov wrote:

> +	spinlock_t lock;		/* Register access lock */

Do you really need one huge lock for all register accesses? Maybe you
should rethink which registers can actually be accessed concurrently and
implement some finer grained locking.

Regards,
Lino
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