Hi Martin,
>>>>> "Martin" == Martin Diehl <[EMAIL PROTECTED]> writes:
Martin> On Sun, 4 Jul 2004, Raj Mathur wrote:
>> [Cross-posted]
Martin> Good to hear at least some aspect of the ma620 is working
Martin> now... I keep the crosspost because it's related to both
Martin> topics.
>> - - Speeds above 9600bps cause some problem in the serial
>> driver. If I DON'T echo 9600 >
>> /proc/sys/net/irda/max_baud_rate before loading the MA620
>> drivers, this is the error I get when trying anything more
>> complex than a straight discovery on the phone link:
>>
>> Jul 4 07:39:32 mail kernel: ma600_change_speed(): bad control
>> byte read-back 42 != 04 Jul 4 07:39:32 mail kernel:
>> irda_config_fsm - error: -1 Jul 4 07:39:35 mail kernel: IrLAP,
>> no activity on link!
Martin> Well, looks like the driver assumed the speed change
Martin> failed due to the incorrect serial readback. This test was
Martin> copied from the old ma600 driver. ma600 is the only dongle
Martin> driver currently trying to do this raw readback
Martin> test. There are at least 3 possible reasons for it to
Martin> fail: * some undisclosed bug somewhere in the raw read
Martin> mode * this test might happened to work (kind of) with old
Martin> ma600 driver due to echo readback, but not really reading
Martin> back from the dongle * readback might behave differently
Martin> for the ma620 usb version
Martin> That's why there is a comment in the code and the
Martin> corresponding lines are prepared to be disabled ;-)
Ah, I never look at kernel source (it's ``sufficiently advanced
technology'' and hence magic to me :)
Martin> Simply try editing the file
Martin> linux/drivers/net/irda/ma600-sir.c. In line 197
Martin> (2.6.7-vanilla) change the "#if 1" to read "#if 0" and
Martin> rebuild your module. By chance this will help you out
Martin> because the speed chance was likely working, just the
Martin> verification failed.
Made the change (#if 0), and now it's working fine at 115200bps.
Tried a file transfer from phone to computer, and a cu, both of which
worked. Thanks for the tip!
>> - - Unloading the PL2303 module (modprobe -r pl2303) results in
>> a kernel oops:
Martin> What happens if you first unplug the ma620 before rmmod
Martin> pl2303? Anyway, this looks like an issue with usbserial
Martin> so Greg might be interested.
Haven't tried that yet, will post once I have some results on that
front.
Regards,
-- Raju
--
Raj Mathur [EMAIL PROTECTED] http://kandalaya.org/
GPG: 78D4 FC67 367F 40E2 0DD5 0FEF C968 D0EF CC68 D17F
It is the mind that moves
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