On Tue, 7 Jun 2005, Marco Schramel wrote:
> we use an isp1362 on kernel 2.4.25. All works fine and it  communicates with 
> all devices (mass storage, serials and our own usb devices).
> But there is one question regarding th isp.
> Is it really necessary to handle an interrupt every ms ? Without activating 
> this interrupt the devices could not be enummerated. 
> Why and is there another solution ??

SOF interrupt is needed for periodic transfers, while for 
control and bulk transfers it is not. So, enumeration itself 
and the use of devices that have only control and bulk 
endpoints should not involve enabling SOF interrupt. But it 
depends on the driver implementation.

Olav



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