From: Peter Korsgaard <jacmet@sunsite•dk>
To: monstr@seznam•cz
Cc: dhlii@dlasys•net, linuxppc-embedded <linuxppc-embedded@ozlabs•org>
Subject: Re: Is anyone using the C67x00 USB Host ?
Date: Wed, 10 Dec 2008 13:00:08 +0100 [thread overview]
Message-ID: <87iqpsme9j.fsf@macbook.be.48ers.dk> (raw)
In-Reply-To: <493F89F2.60702@seznam.cz> (Michal Simek's message of "Wed\, 10 Dec 2008 10\:20\:50 +0100")
>>>>> "Michal" == Michal Simek <monstr@seznam•cz> writes:
Hi,
Michal> You should try to swap mailbox and addr address.
Michal> /* HPI registers */
Michal> #define HPI_DATA 0
Michal> #define HPI_MAILBOX 2
Michal> #define HPI_ADDR 1
Michal> #define HPI_STATUS 3
Why? Have you swapped your A0 / A1?
Michal> Peter:
Michal> What does it mean when I am getting TIMEOUT when kernel is
Michal> trying to assign address to device?
Michal> Here is the correspond log part. usb_control_msg 5 means
Michal> address assigning. And there is timeout description. Star
Michal> means interrupt occur.
Michal> *usb_control_msg 5, -115
Michal> hub_set_address 4 ffffff8d
Michal> hub_set_address 8 ffffff8d
Michal> +-------------retval ffffff8d ---------------+
Michal> OK*... 0x14 ......*---c67x00_td_to_error---
Michal> *timeout
Michal> --------------------------------------1-----------
Michal> *<6>c67x00 c67x00.0: ### TIMEOUT at 0x0500
I'm not quite following here - Is that the
wait_for_completion_timeout() in c67x00-sched.c?
USB questions are probably better asked on the
linux-usb@vger•kernel.org list.
Michal> Don't you have your testing version for any kernel before
Michal> 2.6.23? There were some change in usb subsystem.
There's some older patches at
http://peter.korsgaard.com/patches/linux, but why are you using such
an ancient kernel?
--
Bye, Peter Korsgaard
next prev parent reply other threads:[~2008-12-10 12:00 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-12-05 15:32 Is anyone using the C67x00 USB Host ? David H. Lynch Jr.
2008-12-08 9:13 ` Peter Korsgaard
2008-12-09 20:22 ` David H. Lynch Jr.
2008-12-09 21:11 ` Peter Korsgaard
2008-12-08 14:11 ` Michal Simek
2008-12-09 20:27 ` David H. Lynch Jr.
2008-12-10 9:20 ` Michal Simek
2008-12-10 12:00 ` Peter Korsgaard [this message]
2008-12-10 14:36 ` Michal Simek
2008-12-10 14:43 ` Peter Korsgaard
2008-12-10 16:34 ` Michal Simek
2008-12-11 23:52 ` David H. Lynch Jr.
2008-12-12 7:14 ` David H. Lynch Jr.
2008-12-13 18:41 ` David H. Lynch Jr.
2008-12-13 18:58 ` Peter Korsgaard
2008-12-13 20:27 ` David H. Lynch Jr.
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