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SubjectRe: [PATCH] synchronize_irq needs a barrier
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On Sat, 2007-10-20 at 08:06 +0200, Maxim Levitsky wrote:

> /* Disable interrupts, DMA, and rest of the chip*/
> saa_writel(SAA7134_IRQ1, 0);
> saa_writel(SAA7134_IRQ2, 0);
> saa_writel(SAA7134_MAIN_CTRL, 0);

> dev->insuspend = 1;
> synchronize_irq(pci_dev->irq);
>
> /* ACK pending interrupts just in case*/
> saa_writel(SAA7134_IRQ_REPORT,saa_readl(SAA7134_IRQ_REPORT));
>
> ......
> This should be bullet-proof.

Hopefully :-)

Cheers,
Ben.


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