Re: [PATCH] synchronize_irq needs a barrier

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.