linux-kernel - Re: [PATCH] net: dsa/mv88e6xxx: add reg read and write debug

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Message-Id: <20150127.000430.1352169065847404927.davem@davemloft.net>
Date:	Tue, 27 Jan 2015 00:04:30 -0800 (PST)
From:	David Miller <davem@...emloft.net>
To:	vivien.didelot@...oirfairelinux.com
Cc:	netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
	kernel@...oirfairelinux.com
Subject: Re: [PATCH] net: dsa/mv88e6xxx: add reg read and write debug

From: Vivien Didelot <vivien.didelot@...oirfairelinux.com>
Date: Fri, 23 Jan 2015 16:10:36 -0500

> This commit adds debug messages for the generic mv88e6xxx read and write
> routines. The output is similar to this:
> 
>     mdio-gpio mdio-gpio.0: <- addr: 0x1b reg: 0x05 val: 0x4000
>     mdio-gpio mdio-gpio.0: -> addr: 0x1b reg: 0x07 val: 0x3113
>     mdio-gpio mdio-gpio.0: -> addr: 0x1b reg: 0x08 val: 0x0330
>     mdio-gpio mdio-gpio.0: -> addr: 0x1b reg: 0x09 val: 0x0000
> 
> This is convenient to dynamically debug operations through debugfs with:
> 
>     echo file mv88e6xxx.c +p > <debugfs>/dynamic_debug/control
> 
> Signed-off-by: Vivien Didelot <vivien.didelot@...oirfairelinux.com>

Applied, thanks.
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