linux-kernel - RE: option.ko: ZTE MF636 support

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Date:	Sun, 09 May 2010 22:55:32 +0100
From:	Peter Hicks <peter.hicks@...gs.co.uk>
To:	Nils Radtke <lkml@...nk-Future.de>
Cc:	linux-kernel@...r.kernel.org
Subject: RE: option.ko: ZTE MF636 support

Hi Nils

On Sun, 2010-05-09 at 16:22 +0200, Nils Radtke wrote:

> Similar symptoms are the long delay on opening of devices 0 and 2.
> /dev/ttyUSB0: status port
> /dev/ttyUSB2: modem port (not working)

Does "echo > /dev/ttyUSB0" return immediately, and "echo > /dev/ttyUSB2"
take around 15 seconds to return?

> What has been your solution to get the ZTE working?

I've blacklisted devices 0, 1 and 2 using the attached patch, taken
against 2.6.34-rc6.  It should be quite straightforward to modify this
for your device.

Without the patch, I'm able to use wvdial against ttyUSB3 to dial up,
but the device is unresponsive to anything apart from a PPP LCP
disconnect.

Regards,

Peter

View attachment "zte-mf636-blacklist.patch" of type "text/x-patch" (1351 bytes)