From: ospite@studenti.unina.it (Antonio Ospite)
To: linux-arm-kernel@lists.infradead.org
Subject: pxa27x_udc: Oops on probe with usb cable connected.
Date: Sat, 3 Jul 2010 22:10:22 +0200 [thread overview]
Message-ID: <20100703221022.27df1a2e.ospite@studenti.unina.it> (raw)
In-Reply-To: <877hld7np5.fsf@free.fr>
On Fri, 02 Jul 2010 20:17:42 +0200
Robert Jarzmik <robert.jarzmik@free.fr> wrote:
> Antonio Ospite <ospite@studenti.unina.it> writes:
> > Note that using the original blob bootloader from Motorola there is no
> > Oops but the UDC does not work at all, but maybe this is another
> > issue, I mean: should pxa27x_udc probe consider the case when UDC is
> > already active?
> It was not designed for, but it actually works on my platform, when I launch
> linux kernel from haret without disabling the UDC.
>
I see.
> > Tell me how can i help debugging this, I've put the binary and the
> > disassembled code in http://people.openezx.org/ao2/tmp/pxa27x-udc_BUG/
> > plus some notes about old discussions on the same matter.
> There are a few things I can do with a little more information.
>
> - Prevent gcc from being too smart by inlining functions : I think the right
> flag is -fno-inline. This will prevent irq_handle_data() and others to be
> inlined into pxa_udc_irq(), and ease the debugging.
>
Done that as well this time. See
http://people.openezx.org/ao2/tmp/pxa27x-udc_BUG/
I replaced the old files with the new ones as per your instructions.
Thanks,
Antonio
--
Antonio Ospite
http://ao2.it
PGP public key ID: 0x4553B001
A: Because it messes up the order in which people normally read text.
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next prev parent reply other threads:[~2010-07-03 20:10 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-06-30 9:53 pxa27x_udc: Oops on probe with usb cable connected Antonio Ospite
2010-07-02 18:17 ` Robert Jarzmik
2010-07-03 20:10 ` Antonio Ospite [this message]
2010-07-03 23:48 ` Robert Jarzmik
2010-07-05 8:40 ` Antonio Ospite
2010-07-06 22:34 ` Robert Jarzmik
2010-07-06 22:56 ` Antonio Ospite
2010-07-11 8:13 ` Robert Jarzmik
2010-07-22 15:14 ` Antonio Ospite
2010-07-23 11:18 ` Antonio Ospite
2010-07-23 19:07 ` Robert Jarzmik
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