From mboxrd@z Thu Jan  1 00:00:00 1970
From: Simon Horman <horms@verge.net.au>
Date: Mon, 12 Mar 2012 08:06:32 +0000
Subject: Re: [PATCH] sh_tmu / PM: Prevent power from being removed from TMU devices
Message-Id: <20120312080631.GA30483@verge.net.au>
List-Id: <linux-sh.vger.kernel.org>
References: <201203030041.30244.rjw@sisk.pl>
In-Reply-To: <201203030041.30244.rjw@sisk.pl>
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To: linux-sh@vger.kernel.org

On Mon, Mar 12, 2012 at 02:23:37PM +0900, Paul Mundt wrote:
> On Mon, Mar 12, 2012 at 02:18:45PM +0900, Simon Horman wrote:
> > I have tried the patch below (slightly modified as I have detailed inline)
> > on top of 3.3-rc7, however, I am observing that the boot hangs in the
> > usual spot when using the default config.
> > 
> > arm_vmregion_alloc: allocation too big (requested 0x7e9000)
> > sh_mobile_lcdc_fb sh_mobile_lcdc_fb.1: unable to allocate buffer
> > sh_mobile_lcdc_fb: probe of sh_mobile_lcdc_fb.1 failed with error -12
> > SuperH SCI(F) driver initialized
> > sh-sci.0: ttySC0 at MMIO 0xe6c40000 (irq = 80) is a scifa
> > sh-sci sh-sci.0: start latency exceeded, new value 6084 ns
> > console [ttySC0] enabled, bootconsole disabled
> > console [ttySC0] enabled, bootconsole disabled
> > 
> You will probably want to use the rmobile-fixes-for-linus branch, as it
> contains:
> 
> commit 1740d3448012475f6b63172631c60cbcd1994a81
> Author: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
> Date:   Thu Mar 1 15:45:16 2012 +0100
> 
>     ARM: mach-shmobile: mackerel: Reserve DMA memory for the frame buffer
> 
>     The default 2MB size of DMA coherent memory isn't enough for allocate
>     frame buffer memory.
> 
>     Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
>     Signed-off-by: Paul Mundt <lethal@linux-sh.org>
> 

Unfortunately not.

I still had to modify the patch as per my previous post in order to apply it
and the boot still hung.