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Date: Tue, 09 Dec 2008 15:22:29 -0500
From: "David H. Lynch Jr." <dhlii@dlasys.net>
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To: Peter Korsgaard <jacmet@sunsite.dk>
Subject: Re: Is anyone using the C67x00 USB Host ?
References: <49394978.10905@dlasys.net> <87r64j112j.fsf@macbook.be.48ers.dk>
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Peter Korsgaard wrote:
>>>>>> "David" == David H Lynch <dhlii@dlasys.net> writes:
>>>>>>             
>
> Hi,
>
>  David> 	I am having two problems with it.
>  David> 	I can not get it working with interrupts,
>
> No activity on the interrupt pin or is it always active?
>   
Neither:
The USB system does not function with interrupts, and the kernel reports
lots of unhandled IRQ's.

I beleive that
int_status = c67x00_ll_hpi_status(c67x00);
if (!int_status)
return IRQ_NONE;

is always exiting IRQ_NONE;


If I replace the request_irq() call with installation of a timer service
routine that basically periodically calls the interrupt handler,
everything works fine - albeit slowly.







-- 
Dave Lynch 					  	    DLA Systems
Software Development:  				         Embedded Linux
717.627.3770 	       dhlii@dlasys.net 	  http://www.dlasys.net
fax: 1.253.369.9244 			           Cell: 1.717.587.7774
Over 25 years' experience in platforms, languages, and technologies too numerous to list.

"Any intelligent fool can make things bigger and more complex... It takes a touch of genius - and a lot of courage to move in the opposite direction."
Albert Einstein