linux-kernel - Re: [char-misc-next] mei: add debugfs hooks

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Date:	Fri, 5 Apr 2013 14:15:02 +0200
From:	Arnd Bergmann <arnd@...db.de>
To:	Tomas Winkler <tomas.winkler@...el.com>
Cc:	gregkh@...uxfoundation.org, linux-kernel@...r.kernel.org
Subject: Re: [char-misc-next] mei: add debugfs hooks

On Friday 05 April 2013, Tomas Winkler wrote:
> debugfs exposes device state and list of me clients and their
> properties
> 
> Signed-off-by: Tomas Winkler <tomas.winkler@...el.com>

Just one small comment:

> +#define DEBUGFS_ADD_FILE(_mei, name, parent, mode)	\
> +	debugfs_create_file(#name, mode, parent,	\
> +			_mei, &mei_dbgfs_fops_##name)


This macro seems to obfuscate more than it helps. In general, string concatenation
in macros is problematic because it means you can no longer grep for where a
symbols is being used.


	Arnd
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