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From: Greg KH <greg@kroah.com>
To: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: Greg Kroah-Hartman <gregkh@suse.de>,
	linux-kernel@vger.kernel.org,
	Alessandro Rubini <rubini@gnudd.com>
Subject: Re: [PATCH -next] debugfs: add missing #ifdef HAS_IOMEM
Date: Tue, 3 Jan 2012 16:44:52 -0800	[thread overview]
Message-ID: <20120104004452.GA22949@kroah.com> (raw)
In-Reply-To: <1324994908-4288-1-git-send-email-heiko.carstens@de.ibm.com>

On Tue, Dec 27, 2011 at 03:08:28PM +0100, Heiko Carstens wrote:
> "debugfs: add tools to printk 32-bit registers" adds new functions which rely
> on IOMEM functionality which is not present on all architectures and therefore
> result in compile errors:
> 
> fs/debugfs/file.c: In function 'debugfs_print_regs32':
> fs/debugfs/file.c:561:7: error: implicit declaration of function 'readl' [-Werror=implicit-function-declaration]

Who does not have readl()?  Surely there should be a .h file we are just
missing to include?

> Add an #ifdef CONFIG_HAS_IOMEM to fix this

I guess this is ok, thanks for the patch.

greg k-h

  parent reply	other threads:[~2012-01-04  0:46 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-12-27 14:08 [PATCH -next] debugfs: add missing #ifdef HAS_IOMEM Heiko Carstens
2011-12-27 14:25 ` Alessandro Rubini
2012-01-04  0:44 ` Greg KH [this message]
2012-01-04  0:48   ` Al Viro
2012-01-04  0:55     ` Greg KH

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