Messages in this thread | | | Subject | Re: [PATCH] synchronize_irq needs a barrier | From | Benjamin Herrenschmidt <> | Date | Sat, 20 Oct 2007 16:13:31 +1000 |
| |
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.
- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |