ent: Thursday, December 02, 2004 4:27 AM
To: Xu Levis-Q16136
Cc: [EMAIL PROTECTED]; [EMAIL PROTECTED]
Subject: RE: An usb host transfer speed issue, could anybodies help me or give
me some advice?
On Wed, 1 Dec 2004, Xu Levis-Q16136 wrote:
> Alan/Anybodies,
> Now I build 10 URB(IN) and sent them i
gards,
Levis
-Original Message-
From: David Brownell [mailto:[EMAIL PROTECTED]
Sent: Thursday, December 02, 2004 12:04 AM
To: Xu Levis-Q16136
Subject: Re: [linux-usb-devel] RE: An usb host transfer speed issue, could
anybodies help me or give me some advice?
On Tuesday 30 November 2004
when i build 5 URB(OUT) and sent my bulkusb_write
function.
Thanks again!
Levis
-Original Message-
From: Alan Stern [mailto:[EMAIL PROTECTED]
Sent: Tuesday, November 30, 2004 12:31 AM
To: Xu Levis-Q16136
Cc: [EMAIL PROTECTED]; [EMAIL PROTECTED]
Subject: RE: An usb host transfer speed
-Original Message-
From: Alan Stern [mailto:[EMAIL PROTECTED]
Sent: Tuesday, November 30, 2004 12:31 AM
To: Xu Levis-Q16136
Cc: [EMAIL PROTECTED]; [EMAIL PROTECTED]
Subject: RE: An usb host transfer speed issue, could anybodies help me or give
me some advice?
On Mon, 29 Nov 2004, Xu Levis
urday, November 13, 2004 3:49 AM
To: Xu Levis-Q16136
Cc: [EMAIL PROTECTED]; [EMAIL PROTECTED]
Subject: RE: An usb host transfer speed issue, could anybodies help me or give
me some advice?
On Fri, 12 Nov 2004, Xu Levis-Q16136 wrote:
> Alan,
> Thanks for your great help!
> I used Linux_2.4.20,
set the
>>URB_QUEUE_BULK flag in order to queue more than one bulk URB at a time.
I set the flag = USB_ASYNC_UNLINK, hehe, i will modify it to URB_QUEUE_BULK
Thank you very much!
Levis
-Original Message-
From: Alan Stern [mailto:[EMAIL PROTECTED]
Sent: Saturday, November 13, 200
CTED]
Sent: Friday, November 12, 2004 5:19 AM
To: Xu Levis-Q16136
Cc: [EMAIL PROTECTED]; [EMAIL PROTECTED]
Subject: Re: An usb host transfer speed issue, could anybodies help me or give
me some advice?
On Thu, 11 Nov 2004, Xu Levis-Q16136 wrote:
> Dear all,
> I have written a simple bulkus
Dear all,
I have written a simple bulkusb driver to test the usb transfer speed. Just
transfer 256bytes*1000 between host and client. The test result is following:
transfer data transfer speed
host--->client 256bytes*1000 256K bytes/second
client--->host 256b
ern [mailto:[EMAIL PROTECTED]
Sent: Thursday, September 23, 2004 10:43 PM
To: Xu Levis-Q16136
Cc: [EMAIL PROTECTED]
Subject: Re: [linux-usb-devel] An compile issue after i updated usb stack from 2.4.20
to 2.6.8?
On Thu, 23 Sep 2004, Xu Levis-Q16136 wrote:
> Dear all, After i updated usb stack fro
Dear all,
After i updated usb stack from 2.4.20 to 2.6.8, an compile issue happend cause of the
build ruler is different. I must use the old kernel(2.4.20) tree and i just wanna use
the usb_2.6.8 stack, but the old kernel use Config.in to compile the source and the
new version usb use kconfig t
st 30, 2004 1:05 PM
To: Xu Levis-Q16136
Cc: [EMAIL PROTECTED]
Subject: Re: [linux-usb-devel] An usb-ohic issue, could anybodies help me? Thanks a
lot!
On Mon, 30 Aug 2004 12:01:20 +0800
Xu Levis-Q16136 <[EMAIL PROTECTED]> wrote:
> The BUG is located in the function sohci_free_dev() of u
I have developed usb host side driver for Intel's Xscale chip(PXA2xx). To processor
are connected by using usb transceiverless model. The issue is:
When the client is disconnected from the host, host side usb driver will come into a
kernel BUG and make a kernel panic. The BUG is located in the fu
I have developed usb host side driver for Intel's Xscale chip(PXA2xx). To processor
are connected by using usb transceiverless model. The issue is:
When the client is disconnected from the host, host side usb driver will come into a
kernel BUG and make a kernel panic. The BUG is located in the fu
Alan,
Thanks for your answer!
I have fix this bug, cause i make some mistakes in my disconnect func. ^_^
Regards,
Levis
-Original Message-
From: Alan Stern [mailto:[EMAIL PROTECTED]
Sent: Tuesday, February 10, 2004 12:17 AM
To: Xu Levis-Q16136
Cc: [EMAIL PROTECTED]
Subject: Re: [linux
Dear all,
I'm SW engineer for Linux USB driver(Host and Client). And now i have a question of
usb host side driver, could you help me analyze it and give me some suggestions?
You know when a device attached to a host, the probe function will be called. Now our
usb device support 1 configuration
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