From: Oliver Neukum <oneukum@suse.de>
To: Josua Dietze <digidietze@draisberghof.de>
Cc: "Bjørn Mork" <bjorn@mork.no>,
"Matthew Dharm" <mdharm-usb@one-eyed-alien.net>,
"Ben Hutchings" <ben@decadent.org.uk>,
"linux-usb@vger.kernel.org" <linux-usb@vger.kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"Fangxiaozhi (Franko)" <fangxiaozhi@huawei.com>,
zihan@huawei.com, Lin.Lei@huawei.com,
"Greg KH" <gregkh@linuxfoundation.org>,
"Yili (Neil)" <neil.yi@huawei.com>,
"Wangyuhua (Roger, Credit)" <wangyuhua@huawei.com>,
Huqiao <huqiao36@huawei.com>, "Felipe Balbi" <balbi@ti.com>,
"Sebastian Andrzej Siewior" <sebastian@breakpoint.cc>,
stable <stable@vger.kernel.org>
Subject: Re: [PATCH] USB: storage: fix Huawei mode switching regression
Date: Tue, 05 Mar 2013 09:32:32 +0100 [thread overview]
Message-ID: <4661149.JOvxeICSJy@linux-5eaq.site> (raw)
In-Reply-To: <5135201F.4030200@draisberghof.de>
On Monday 04 March 2013 23:28:47 Josua Dietze wrote:
> > I guess the real problem will be verifying that all of the entries can
> > go away. This type of hardware tends to get old very fast, but there is
> > always someone having a really ancient device.
>
> I will check this and add any missing USB IDs to usb_modeswitch, but I can't shake the feeling that not all Huawei entries in "unusual_devs.h" did actually materialize as devices ...
>
> Anyway, as Bjørn said, putting that initialization into the storage driver takes away quite some possibilities to handle these modems in a flexible way.
But it adds the ability to handle loss of power in the suspend case
cleanly. As long as the switch only makes additional devices appear,
doing it in kernel space is the nicer approach.
Regards
Oliver
next prev parent reply other threads:[~2013-03-05 8:32 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-02-04 7:16 [PATCH 2/2]linux-usb:optimize to match the Huawei USB storage devices and support new switch command fangxiaozhi 00110321
2013-03-04 11:41 ` v3.8 regression: Huawei mode switching fails (was Re: [PATCH 2/2]linux-usb:optimize to match the Huawei USB storage devices and support new switch command) Bjørn Mork
2013-03-04 13:19 ` [PATCH] USB: storage: fix Huawei mode switching regression Bjørn Mork
2013-03-04 14:29 ` Ben Hutchings
2013-03-04 16:47 ` Bjørn Mork
2013-03-04 16:59 ` Matthew Dharm
2013-03-04 19:22 ` Bjørn Mork
2013-03-04 22:28 ` Josua Dietze
2013-03-05 8:32 ` Oliver Neukum [this message]
2013-03-05 11:35 ` Bjørn Mork
2013-03-05 2:15 ` Fangxiaozhi (Franko)
2013-03-05 10:07 ` Bjørn Mork
2013-03-05 11:52 ` Oliver Neukum
2013-03-05 14:08 ` Bjørn Mork
2013-03-06 1:34 ` 答复: " Linlei (Lei Lin)
2013-03-06 1:44 ` Greg KH
2013-03-06 15:45 ` Dan Williams
2013-03-07 2:54 ` Fangxiaozhi (Franko)
2013-03-07 3:18 ` Greg KH
2013-03-07 12:19 ` Bjørn Mork
2013-03-07 14:11 ` Josua Dietze
2013-03-05 2:28 ` v3.8 regression: Huawei mode switching fails (was Re: [PATCH 2/2]linux-usb:optimize to match the Huawei USB storage devices and support new switch command) Fangxiaozhi (Franko)
2013-03-05 8:48 ` Oliver Neukum
2013-03-05 9:05 ` Fangxiaozhi (Franko)
2013-03-05 12:23 ` Bjørn Mork
2013-03-06 1:40 ` greg
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