Re: [linuxdc-dev]AICA interrupts - problem solved?

[Adrian M. <ad...@mc...>]

On Wednesday 02 Jan 2002 10:42 am, Adrian McMenamin wrote:
> It seems I was calling this incorrectly - the 'pending' bits need to be
> reset inside the interrupt handler as without that happening no new
> interrupts can be handled on the AICA (or something) - this obviously was
> not happening, but when the handler was rewritten:
>
> ////////////////////////////////////////////////////////////////
> // Experimental interrupt handler                             //
> ////////////////////////////////////////////////////////////////
>
> void aica_interrupt_handler(int i, void* p, struct pt_regs * ptr)
> {
> 	writel(0x20, 0xa07028b8);
> 	spu_write_wait();
> }
>
> The problem disappeared (nb - removed the write to 0xa07028b8 from
> elsewhere too).

However, a scan of /proc/interrupts also shows that while the interrupt 
handler is registered, there appear to be no interrupts being generated, so 
this does not seem a suitable vehicle in which handle buffer updates.