From: Artem Bityutskiy <dedekind1@gmail.com>
To: Ferenc Wagner <wferi@niif.hu>
Cc: linux-mtd@lists.infradead.org, linux-kernel@vger.kernel.org
Subject: Re: CONFIG_MTD_DEBUG vs generic DEBUG support in kernel.h
Date: Tue, 16 Mar 2010 15:05:59 +0200 [thread overview]
Message-ID: <1268744759.20017.58.camel@localhost> (raw)
In-Reply-To: <878w9swhlv.fsf@tac.ki.iif.hu>
On Tue, 2010-03-16 at 13:55 +0100, Ferenc Wagner wrote:
> Hi,
>
> include/linux/mtd/mtd.h contains the following snippet:
>
> #ifdef CONFIG_MTD_DEBUG
> #define DEBUG(n, args...) \
> do { \
> if (n <= CONFIG_MTD_DEBUG_VERBOSE) \
> printk(KERN_INFO args); \
> } while(0)
>
> which conflicts with the generic debugging support in
> include/linux/kernel.h:
>
> #ifdef DEBUG
> #define pr_devel(fmt, ...) \
> printk(KERN_DEBUG pr_fmt(fmt), ##__VA_ARGS__)
>
> (that is, gcc emits redefinition warnings on modules which
> #define DEBUG on their own and also include mtd.h)
> Unfortunately, the DEBUG macro is used rather heavily under
> drivers/mtd. Should we resolve this somehow or is it better
> to just live with it?
>
> (Please keep me on Cc, I'm not subscribed.)
IMO, this MTD debug stuff is not very useful and could be just killed.
--
Best Regards,
Artem Bityutskiy (Артём Битюцкий)
next prev parent reply other threads:[~2010-03-16 13:06 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-03-16 12:55 CONFIG_MTD_DEBUG vs generic DEBUG support in kernel.h Ferenc Wagner
2010-03-16 13:05 ` Artem Bityutskiy [this message]
2010-03-18 16:20 ` Ferenc Wagner
2010-03-19 0:36 ` Wolfram Sang
2010-04-08 8:06 ` Artem Bityutskiy
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