may I commit this small umodem patch ?

Xiaofan Chen xiaofanc at
Sat Jul 5 01:18:02 UTC 2008

On Sat, Jul 5, 2008 at 5:39 AM, Luigi Rizzo <rizzo at> wrote:
>> What about flow control? Is flow control required for these devices?
> the ones I am talking about don't implement any form of flow control.
> I suppose they would otherwise match the previous check.

They are many of this device and they do not have flow control.
I got two of them right here. One is for NXP LPC-P2148 and the other
is using Microchip PIC18F USB PICs.

Last time it was discussed here.

I've tried the lpcusb based generic CDC-ACM device under
Linux/Windows/NetBSD successfully but not FreeBSD.


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