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Subject: Re: Huawei EC321 CDMA PCCARD support broken
From: =?UTF-8?Q?=E5=BC=A0=E9=9F=A1=E6=AD=A6?= <zhangweiwu@realss.com>
To: Matthias Urlichs <smurf@smurf.noris.de>
Cc: linux-kernel@vger.kernel.org, hugh@blemings.org
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	 <20080108062739.GO22955@kiste.smurf.noris.de>
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Date: Sat, 12 Jan 2008 23:16:34 +0800
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在 2008-01-08二的 07:27 +0100，Matthias Urlichs写道：
> Hi,
> > A lot of google searches reflect that, the latest kernel supporting
> > Huawei EC321 CDMA PCCARD is 2.6.17. My version (2.6.22-14 on Ubuntu)
> > doesn't work.
> > 
> This is probably because ...
> 
> > [ 3804.140000] /build/buildd/linux-source-2.6.22-2.6.22/drivers/usb/serial/usb-serial.c: USB Serial support registered for pl2303
> 
> ... the card is in fact recognized by the pl2303 driver instead of the
> Option driver. This driver may do something stupid.

I am not sure if it's the case. I just managed to compile a kernel in
Ubuntu myself, and I used the config file of default Ubuntu kernel, only
with a slight twist:

# CONFIG_USB_SERIAL_PL2303 is not set

Using the new kernel, I got:

[  177.916000] ehci_hcd 0000:16:00.2: irq 20, io mem 0x50002000
[  178.016000] usb 6-1: new full speed USB device using ohci_hcd and address 2
[  178.016000] ehci_hcd 0000:16:00.2: USB 2.0 started, EHCI 1.00, driver 10 Dec 2
004
[  178.016000] usb usb8: configuration #1 chosen from 1 choice
[  178.016000] hub 8-0:1.0: USB hub found
[  178.016000] hub 8-0:1.0: 2 ports detected
[  178.888000] usb 6-1: new full speed USB device using ohci_hcd and address 3
[  180.120000] usb 6-1: new full speed USB device using ohci_hcd and address 4
[  180.388000] usb 6-1: configuration #1 chosen from 1 choice
[  180.392000] option 6-1:1.0: GSM modem (1-port) converter detected
[  180.392000] usb 6-1: GSM modem (1-port) converter now attached to ttyUSB0
[  180.396000] option 6-1:1.1: GSM modem (1-port) converter detected
[  180.396000] usb 6-1: GSM modem (1-port) converter now attached to ttyUSB1

Also 'lsmod' told me the module 'pl2303' is not loaded. Do the dialing I
got the same problem:

[snip]
WvDial<*1>: Carrier detected.  Waiting for prompt.
WvDial<Err>: Connected, but carrier signal lost!  Retrying...

Later I will try a Ubuntu 6.04 live CD to see if the same hardware works
for 6.04 myself (previous i only read that it worked for 6.04).

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