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From: Greg Ungerer <gerg@snapgear.com>
To: Russell King - ARM Linux <linux@arm.linux.org.uk>
Cc: David Woodhouse <dwmw2@infradead.org>, Greg KH <greg@kroah.com>,
	linux-kernel@vger.kernel.org,
	Christoph Hellwig <hch@infradead.org>,
	linux-arm-kernel@lists.arm.linux.org.uk
Subject: Re: [PATCH] arch/arm/Kconfig: Make UIO available on ARM architecture
Date: Tue, 12 Feb 2008 11:51:57 +1000	[thread overview]
Message-ID: <47B0FBBD.9060009@snapgear.com> (raw)
In-Reply-To: <20080208104535.GF21852@flint.arm.linux.org.uk>


Russell King - ARM Linux wrote:
> On Fri, Feb 08, 2008 at 10:43:42AM +0000, David Woodhouse wrote:
>> On Fri, 2008-02-08 at 10:23 +0000, Russell King - ARM Linux wrote:
>>> That would be misleading though - !CPU_CP15_MMU does not mean we
>>> support unaligned accesses.  It means that we may have no way to
>>> support fixing up unaligned accesses.
>> Doesn't that mean you should disallow MTD (or at least 16-bit NOR flash)
>> if !CPU_CP15_MMU, then? But at the moment you allow it?
> 
> Ask Hyok or Greg Ungerer.

I would agree that it means disabling 16-bit NOR flash, but the 8-bit
case should be fine right?

A complete disable of MTD seems like overkill. A more fine grained
approach would be better.

Regards
Greg



------------------------------------------------------------------------
Greg Ungerer  --  Chief Software Dude       EMAIL:     gerg@snapgear.com
Secure Computing Corporation                PHONE:       +61 7 3435 2888
825 Stanley St,                             FAX:         +61 7 3891 3630
Woolloongabba, QLD, 4102, Australia         WEB: http://www.SnapGear.com

  reply	other threads:[~2008-02-12  1:52 UTC|newest]

Thread overview: 30+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-02-07 12:38 Hans-Jürgen Koch
2008-02-07 12:58 ` Christoph Hellwig
2008-02-07 13:01   ` Sam Ravnborg
2008-02-07 15:09     ` Marcin Juszkiewicz
2008-02-07 16:05       ` Russell King - ARM Linux
2008-02-07 20:23         ` Sam Ravnborg
2008-02-07 20:29           ` Russell King - ARM Linux
2008-02-07 21:05             ` Sam Ravnborg
2008-02-08  9:04           ` David Woodhouse
2008-02-08  9:45             ` Russell King - ARM Linux
2008-02-08 10:18               ` David Woodhouse
2008-02-08 10:23                 ` Russell King - ARM Linux
2008-02-08 10:43                   ` David Woodhouse
2008-02-08 10:45                     ` Russell King - ARM Linux
2008-02-12  1:51                       ` Greg Ungerer [this message]
2008-02-08 10:58             ` David Woodhouse
2008-02-08 18:46               ` Sam Ravnborg
2008-02-08 18:52                 ` David Woodhouse
2008-02-09 11:39           ` Sam Ravnborg
2008-02-07 14:21   ` Russell King - ARM Linux
2008-02-07 13:02 ` Russell King - ARM Linux
2008-02-07 13:12   ` Hans-Jürgen Koch
2008-02-11  8:25     ` Hans-Jürgen Koch
2008-02-11 14:39       ` Sam Ravnborg
2008-04-10 12:21       ` Uwe Kleine-König
2008-04-10 12:27         ` Russell King - ARM Linux
2008-04-10 12:57           ` Uwe Kleine-König
2008-04-10 13:10             ` Russell King - ARM Linux
2008-04-10 13:50               ` Uwe Kleine-König
2008-04-10 18:58           ` Sam Ravnborg

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