From: Oleksij Rempel <linux@rempel-privat.de>
To: Alan Stern <stern@rowland.harvard.edu>
Cc: Christian Lamparter <chunkeey@googlemail.com>,
Sarah Sharp <sarah.a.sharp@linux.intel.com>,
Seth Forshee <seth.forshee@canonical.com>,
ath9k_htc_fw <ath9k_htc_fw@lists.infradead.org>,
USB list <linux-usb@vger.kernel.org>,
linux-wireless@vger.kernel.org,
Sujith Manoharan <sujith@msujith.org>
Subject: Re: FUSB200 xhci issue
Date: Mon, 12 Aug 2013 09:58:52 +0200 [thread overview]
Message-ID: <520895BC.1070405@rempel-privat.de> (raw)
In-Reply-To: <Pine.LNX.4.44L0.1308100755250.31571-100000@netrider.rowland.org>
Am 10.08.2013 13:57, schrieb Alan Stern:
> On Sat, 10 Aug 2013, Oleksij Rempel wrote:
>
>> usb reset do not affect behaviour of firmware. At least after i remove
>> all attempts to reboot FW from driver.
>> If adapter will got reset signal, FW will be notified about it. Then FW
>> will remove reset flag and will just continue to work. After usb reset,
>> lsusb show correct, update information - EP3 and EP4 was updated from
>> INT to BULK.
>>
>> I assume, no i need to add to the driver some kind of firmware check.
>> What is the proper way to do it?
>
> The simplest way is to put a new value for the device descriptor's
> bcdDevice value in the firmware. Then all you have to do is check that
> value.
Since adding fw check will need fw version update. I would like to do
quick fix for current kernel and firmware version.
I will revert EP3 and EP4 from bulk back to interrupt. But, before
sending patch to the list i would like to know, how to reproduce the bug
which was fixed by converting this endpoints from interrupt to bulk.
--
Regards,
Oleksij
--
Regards,
Oleksij
prev parent reply other threads:[~2013-08-12 7:59 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <51ED4E12.8030006@rempel-privat.de>
2013-07-22 19:54 ` FUSB200 xhci issue Christian Lamparter
2013-07-22 20:47 ` Oleksij Rempel
2013-07-22 21:23 ` Christian Lamparter
2013-07-23 4:59 ` Oleksij Rempel
2013-07-23 18:26 ` Christian Lamparter
2013-07-24 10:37 ` Oleksij Rempel
2013-07-27 21:59 ` Christian Lamparter
2013-07-28 5:50 ` Oleksij Rempel
2013-07-28 11:38 ` Christian Lamparter
2013-07-28 12:12 ` Oleksij Rempel
2013-07-28 14:28 ` Oleksij Rempel
2013-07-28 20:41 ` Christian Lamparter
2013-07-31 6:52 ` Oleksij Rempel
2013-08-08 15:35 ` Oleksij Rempel
2013-08-08 19:09 ` Christian Lamparter
2013-08-08 20:19 ` Alan Stern
2013-08-08 22:06 ` Christian Lamparter
2013-08-09 2:52 ` Sujith Manoharan
2013-08-09 14:32 ` ath9k_htc firmware problem [was: Re: FUSB200 xhci issue] Alan Stern
2013-08-09 14:13 ` FUSB200 xhci issue Alan Stern
2013-08-09 14:34 ` Oleksij Rempel
2013-08-09 14:52 ` Alan Stern
2013-08-09 15:51 ` Oleksij Rempel
2013-08-09 17:16 ` Alan Stern
2013-08-09 18:53 ` Oleksij Rempel
2013-08-09 19:32 ` Alan Stern
2013-08-10 6:19 ` Oleksij Rempel
2013-08-10 11:57 ` Alan Stern
2013-08-12 7:58 ` Oleksij Rempel [this message]
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