From: Peter Stuge <stuge-linuxbios@cdy.org>
To: Greg KH <gregkh@suse.de>
Cc: "Lu, Yinghai" <yinghai.lu@amd.com>,
Stefan Reinauer <stepan@coresystems.de>,
"Eric W. Biederman" <ebiederm@xmission.com>,
linuxbios@linuxbios.org, linux-kernel@vger.kernel.org
Subject: Re: [LinuxBIOS] #57: libusb host program for PLX NET20DC debug device
Date: Fri, 1 Dec 2006 21:42:49 +0100 [thread overview]
Message-ID: <20061201204249.28842.qmail@cdy.org> (raw)
In-Reply-To: <20061201191916.GB3539@suse.de>
On Fri, Dec 01, 2006 at 11:19:16AM -0800, Greg KH wrote:
> Well, earlyprintk will not work, as you need PCI up and running.
Not all of it though. LinuxBIOS will probably do just enough PCI
setup to talk to the EHCI controller and use the debug port _very_
soon after power on.
> And I have some code that barely works for this already, perhaps
> Eric and I should work together on this :)
I would be interested in having a look at any code for it too.
> Yes, that will work just fine today using the usb-serial generic
> driver.
Ugh. I did not know it was that generic. The irony is that I always
ask other libusb users to check the kernel drivers to see if they
really need to write a libusb app.
> I'll knock up a "real" driver for the device later today and send
> it to Linus, as it's trivial to do so, and will make it simpler
> than using the module parameters.
Awesome. Thanks!
//Peter
next prev parent reply other threads:[~2006-12-01 20:42 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-12-01 18:55 Lu, Yinghai
2006-12-01 19:19 ` Greg KH
2006-12-01 20:42 ` Peter Stuge [this message]
2006-12-01 21:15 ` Eric W. Biederman
2006-12-01 21:46 ` Peter Stuge
2006-12-01 23:02 ` Eric W. Biederman
2006-12-03 17:00 ` Peter Stuge
2006-12-03 23:03 ` Eric W. Biederman
2006-12-01 23:13 ` Eric W. Biederman
2006-12-03 15:49 ` Eric W. Biederman
2006-12-04 5:09 ` [RFC][PATCH 0/2] x86_64 Early usb debug port support Eric W. Biederman
2006-12-04 5:13 ` [RFC][PATCH 1/2] x86_64: Preallocate the fixmap pud and pmd entries Eric W. Biederman
2006-12-04 5:18 ` [RFC][PATCH 2/2] x86_64: earlyprintk usb debug device support Eric W. Biederman
[not found] ` <200612042001.09808.david-b@pacbell.net>
2006-12-05 11:01 ` [linux-usb-devel] [RFC][PATCH 0/2] x86_64 Early usb debug port support Eric W. Biederman
2006-12-06 17:31 ` Andi Kleen
2006-12-05 11:18 ` Eric W. Biederman
-- strict thread matches above, loose matches on Subject: below --
2006-12-02 2:43 [LinuxBIOS] #57: libusb host program for PLX NET20DC debug device Lu, Yinghai
2006-12-02 14:02 ` Eric W. Biederman
2006-12-02 20:47 ` yhlu
2006-12-03 11:51 ` Eric W. Biederman
2006-12-03 12:01 ` Stefan Reinauer
2006-12-03 12:42 ` Segher Boessenkool
2006-12-03 12:52 ` Stefan Reinauer
2006-12-03 13:11 ` Eric W. Biederman
2006-12-01 22:10 Lu, Yinghai
2006-12-01 18:26 Lu, Yinghai
2006-12-01 18:41 ` Greg KH
2006-12-01 19:04 ` Peter Stuge
2006-12-01 19:17 ` Greg KH
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