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From: Catalin Marinas <catalin.marinas@arm.com>
To: Dirk Behme <dirk.behme@googlemail.com>
Cc: Russell King - ARM Linux <linux@arm.linux.org.uk>,
	Sudeep K N <sudeepholla.maillist@gmail.com>,
	linux-arm-kernel@lists.arm.linux.org.uk, drzeus-mmc@drzeus.cx,
	linux-kernel@vger.kernel.org
Subject: Re: Rootfs in eMMC: Kernel panic ...Attempted to kill init!
Date: Thu, 16 Jul 2009 11:39:58 +0100	[thread overview]
Message-ID: <1247740798.26074.29.camel@pc1117.cambridge.arm.com> (raw)
In-Reply-To: <4A5B5640.2050308@googlemail.com>

On Mon, 2009-07-13 at 17:44 +0200, Dirk Behme wrote:
> Catalin Marinas wrote:
> > The patch below appears to solve the problem with CompactFlash using
> > pata_platform (I cc'ed linux-ide since the patch changes their code).
> > The patch only handles the read case but similarly it may need to handle
> > the write case if D-cache aliasing between user and kernel mappings
> > exists.
> > 
> > For the USB mass storage, I haven't yet figured out the best place to
> > call flush_dcache_page().
> 
> Any news regarding USB mass storage on ARM MPCore? Else this would 
> mean that USB mass storage (USB stick, USB disk) formatted with 
> ext2/3/4 wouldn't work with MPCore?

On the ARM RealView boards, the USB is PIO rather than DMA-capable. I
posted this patch on the list here (but have to follow up with the
maintainers):

http://lists.arm.linux.org.uk/lurker/message/20090710.130032.bfb8b218.en.html

-- 
Catalin


  parent reply	other threads:[~2009-07-16 10:40 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-06-18  9:18 Rootfs in eMMC: Kernel panic ...Attempted to kill init! Sudeep K N
2009-06-19 13:44 ` Russell King - ARM Linux
2009-06-22 14:13   ` Sudeep K N
2009-06-22 14:26     ` Catalin Marinas
2009-06-22 14:32       ` Catalin Marinas
2009-06-22 15:43     ` Russell King - ARM Linux
2009-06-22 15:50       ` Catalin Marinas
2009-06-22 15:56         ` Russell King - ARM Linux
2009-06-22 16:13           ` Catalin Marinas
2009-06-22 16:46             ` Russell King - ARM Linux
2009-06-22 21:37               ` Catalin Marinas
2009-06-23  9:23               ` Linus Walleij
2009-06-23 14:34               ` Catalin Marinas
2009-07-13 15:44                 ` Dirk Behme
2009-07-13 15:48                   ` Russell King - ARM Linux
2009-07-16 10:39                   ` Catalin Marinas [this message]
2009-06-23  5:58             ` Sudeep K N

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