Re: [linux-usb-devel] ehci-sched.c questions

2006-05-10 Thread Christopher Montgomery
On 5/10/06, David Brownell <[EMAIL PROTECTED]> wrote: On Wednesday 10 May 2006 10:35 am, Christopher Montgomery wrote: > In some > ways it's easier to just stack requests into the full-speed frame and > then plop the splits into whatever uFrame that happens to work out to, > even if that means th

RE: [linux-usb-devel] How to access mess-storage throught usb interface?

2006-05-10 Thread Peter.Chen
No,i mean i can't find /dev/sda at my /dev .It means that my bus enumeration is error?Oh,if the bus enumeration is right, the system will create a device at my /dev at my host? thx On Wed, 2006-05-10 at 13:55 +, [EMAIL PROTECTED] wrote: > > >From: "Peter.Chen" <[EMAIL PROTECTED]> > >To:

Re: [linux-usb-devel] ehci-sched.c questions

2006-05-10 Thread David Brownell
On Wednesday 10 May 2006 10:35 am, Christopher Montgomery wrote: > > The current scheduler strategy always tries to place a given periodic > request (be it iso or intr) into the same uFrame slot in all scheduled > HFrames. Is this a requirement of the spec (I don't recall seeing > such a restrict

Re: [linux-usb-devel] ehci-sched.c questions

2006-05-10 Thread Christopher Montgomery
One new question, hopefully this one is just rote arcana to one of you The current scheduler strategy always tries to place a given periodic request (be it iso or intr) into the same uFrame slot in all scheduled HFrames. Is this a requirement of the spec (I don't recall seeing such a restric

[linux-usb-devel] Re: USB keyboards and HID_QUIRK_NOGET

2006-05-10 Thread Vojtech Pavlik
On Wed, May 10, 2006 at 10:50:47AM -0400, Alan Stern wrote: > Dmitry and Vojtech: > > So many USB keyboards require the HID_QUIRK_NOGET blacklist flag, does it > make sense to set the flag automatically for every keyboard device? > > Or would that cause problems with some highly advanced keyboar

Re: [linux-usb-devel] USB Host performance

2006-05-10 Thread David Brownell
On Tuesday 09 May 2006 9:08 pm, Juhee MALA wrote: > > Thanks for your answers. Just one question, when we use the URB_NO_INTERRUPT > flag, does it inhibit the interrrupt for non-error completions only? or does > it inhbit all the interrupts? If it inhibits all the interrupts how can we > monitor t

Re: [linux-usb-devel] Doubts in HCD Suspend/Resume

2006-05-10 Thread Alan Stern
On Wed, 10 May 2006, rakesh kn wrote: > Hi , > > I have written the platform glue for ARC - EHCI controller. I provided > the suspend/resume call backs in struct platform_driver with CONFIG_PM > and CONFIG_USB_SUSPEND for selecti ve suspend/resume enabled. > > My kernel is compile to be monolith

RE: [linux-usb-devel] USB Host performance

2006-05-10 Thread Alan Stern
On Wed, 10 May 2006, Juhee MALA wrote: > Hello Allan, > > Thanks for your answers. Just one question, when we use the URB_NO_INTERRUPT > flag, does it inhibit the interrrupt for non-error completions only? or does > it inhbit all the interrupts? If it inhibits all the interrupts how can we > moni

[linux-usb-devel] USB keyboards and HID_QUIRK_NOGET

2006-05-10 Thread Alan Stern
Dmitry and Vojtech: So many USB keyboards require the HID_QUIRK_NOGET blacklist flag, does it make sense to set the flag automatically for every keyboard device? Or would that cause problems with some highly advanced keyboards? Alan Stern -

RE: [linux-usb-devel] How to access mess-storage throught usb interface?

2006-05-10 Thread mydevice_usb
From: "Peter.Chen" <[EMAIL PROTECTED]> To: linux-usb-devel@lists.sourceforge.net Subject: [linux-usb-devel] How to access mess-storage throught usb interface? Date: Wed, 10 May 2006 19:58:49 +0800 Hi,all When we insert mess-storage into usb interface,we can see sda(sdb...) at /dev.Now,ma

[linux-usb-devel] How to access mess-storage throught usb interface?

2006-05-10 Thread Peter.Chen
Hi,all When we insert mess-storage into usb interface,we can see sda(sdb...) at /dev.Now,maybe i finish the bus enumeration as i can see my usb device at /proc/bus/usb/devices. But how i can access my mess-storage?And how i can see sda,sdb at my /dev directory?or if bus enumeration is over,it

RE: [linux-usb-devel] USB Host performance

2006-05-10 Thread Juhee MALA
One starnge thing that I see on the protocol Analyser is that,even within a URB after we receive the ACK for one OUT packet the host sends the next OUT packet after 4-5 microseconds (and I suppose that this is due to some hardware latency, as software has no controller once the URB i submitted).