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From: Dan Williams <dcbw@redhat.com>
To: Steve deRosier <steve@cozybit.com>
Cc: linux-wireless@vger.kernel.org
Subject: Re: libertas sdio broken on XO-1.5s
Date: Tue, 27 Apr 2010 17:14:50 -0700	[thread overview]
Message-ID: <1272413690.32717.10.camel@localhost.localdomain> (raw)
In-Reply-To: <i2y446ae9281004271235sf6f04323j2faa28108481d81b@mail.gmail.com>

On Tue, 2010-04-27 at 12:35 -0700, Steve deRosier wrote:
> Dan,
> 
> A change made by you on April 15th breaks firmware downloading to an
> sdio connected 8686 on the OLPC's XO-1.5s.  I reverted it and was able
> to get firmware to load just fine, with it in, the firmware fails to
> load.

Ok, so we get to find out what fails with XO 1.5, and what works with
both the Wi2Wi and the Marvell 8686 dev board that I have that I tested
it with...  I'll retest again I suppose.

> commit 96021f096e5178582af296a2fbb6df7dbd6b695c
> Author: Dan Williams <dcbw@redhat.com>
> Date:   Thu Apr 15 13:27:44 2010 -0700
> 
>     libertas: consolidate SDIO firmware wait code
> 
>     Consolidate a bunch of C&P code that waits for the firmware to be ready.
> 
>     Signed-off-by: Dan Williams <dcbw@redhat.com>
>     Signed-off-by: John W. Linville <linville@tuxdriver.com>
> 
> dmesg:
> [   15.391242] libertas_sdio: Libertas SDIO driver
> [   15.391255] libertas_sdio: Copyright Pierre Ossman
> [   15.539475] libertas_sdio mmc0:0001:1: firmware: requesting sd8686_helper.bin
> [   17.540214] libertas: failed to load helper firmware
> [   17.541054] libertas_sdio: probe of mmc0:0001:1 failed with error -110
> 
> dmesg with it reverted:
> [   15.141728] libertas_sdio: Libertas SDIO driver
> [   15.141741] libertas_sdio: Copyright Pierre Ossman
> [   15.275322] libertas_sdio mmc0:0001:1: firmware: requesting sd8686_helper.bin
> [   16.430223] libertas_sdio mmc0:0001:1: firmware: requesting sd8686.bin
> [   17.172443] libertas: 00:50:43:28:26:40, fw 9.70.7p0, cap 0x00000303
> [   17.179552] libertas: wlan0: Marvell WLAN 802.11 adapter
> 
> I don't know if there's something unique with this device where
> libertas_sdio works everywhere else and not with the XO-1.5, but I
> suspect we'll encounter this issue with other libertas devices.

The XO is all kinds of unique, but the 1.5 less so than the 1.0.

Dan

> I apologize for not sending a patch, but I don't have time right now
> to get to it.  Perhaps you can get to it quicker, if so, I'll be happy
> to test anything you come up with.
> 
> - Steve
> --
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  reply	other threads:[~2010-04-28  0:44 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-04-27 19:35 Steve deRosier
2010-04-28  0:14 ` Dan Williams [this message]
2010-04-28 19:37   ` [PATCH] libertas: fix 8686 firmware loading regression in 96021f096e5178582af296a2fbb6df7dbd6b695c Dan Williams
2010-04-28 23:33     ` Steve deRosier

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