From: Andreas Schwab <schwab@linux-m68k.org>
To: Larry Finger <Larry.Finger@lwfinger.net>
Cc: "Rafał Miłecki"
<public-zajec5-Re5JQEeQqe8AvxtiuMwx3w@plane.gmane.org>,
"Michael Büsch"
<public-mb-fseUSCV1ubazQB+pC5nmwQ@plane.gmane.org>,
public-b43-dev-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@plane.gmane.org,
linuxppc-dev@ozlabs.org,
"John W. Linville"
<public-linville-2XuSBdqkA4R54TAoqtyWWQ@plane.gmane.org>,
public-linux-wireless-u79uwXL29TY76Z2rM5mHXA@plane.gmane.org
Subject: Re: [PATCH] ssb: pci: implement serdes workaround
Date: Tue, 31 May 2011 19:32:50 +0200 [thread overview]
Message-ID: <m2vcwqixml.fsf@igel.home> (raw)
In-Reply-To: <m239jukddk.fsf@igel.home> (Andreas Schwab's message of "Tue, 31 May 2011 19:07:19 +0200")
Andreas Schwab <schwab@linux-m68k.org> writes:
> Larry Finger <Larry.Finger@lwfinger.net> writes:
>
>> On 05/31/2011 10:54 AM, Andreas Schwab wrote:
>>> Larry Finger<Larry.Finger@lwfinger.net> writes:
>>>
>>>> From the traceback, it must be the serdes_pll_device read that failed.
>>>
>>> Why not ssb_pcicore_polarity_workaround (note r4 == 0x134)?
>>
>> Mainly because the last two steps in the traceback are
>>
>> [c2ca5c40] [f2146244] ssb_pcie_read+0x4c/0x54 [ssb]
>> [c2ca5c50] [f2146440] ssb_pcicore_serdes_workaround+0x1c/0x170 [ssb]
>
> Which exactly is what ssb_pcicore_polarity_workaround is doing.
0000022c <ssb_pcicore_serdes_workaround>:
22c: 94 21 ff e0 stwu r1,-32(r1)
230: 7c 08 02 a6 mflr r0
234: 38 80 02 04 li r4,516
238: 90 01 00 24 stw r0,36(r1)
23c: bf a1 00 14 stmw r29,20(r1)
240: 7c 7f 1b 78 mr r31,r3
244: 4b ff fd bd bl 0 <ssb_pcie_read>
Andreas.
--
Andreas Schwab, schwab@linux-m68k.org
GPG Key fingerprint = 58CA 54C7 6D53 942B 1756 01D3 44D5 214B 8276 4ED5
"And now for something completely different."
prev parent reply other threads:[~2011-05-31 17:32 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <1301657212-12126-1-git-send-email-zajec5@gmail.com>
2011-05-31 9:37 ` [PATCH] ssb: pci: implement serdes workaround Andreas Schwab
2011-05-31 15:14 ` Larry Finger
2011-05-31 15:54 ` Andreas Schwab
2011-05-31 16:17 ` Larry Finger
2011-05-31 17:07 ` Andreas Schwab
2011-05-31 17:32 ` Andreas Schwab [this message]
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