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SubjectRe: [PATCH 1/2] ahci: Ensure "MSI Revert to Single Message" mode is not enforced
Hello, Alexander.

On Wed, Apr 02, 2014 at 10:19:56AM +0200, Alexander Gordeev wrote:
> +static int ahci_is_mrsm(struct ahci_host_priv *hpriv)
> +{
> + void __iomem *mmio = hpriv->mmio;
> + u32 ctl = readl(mmio + HOST_CTL);
> +
> + return ctl & HOST_MRSM;
> +}

Can you please just open code this in ahci_init_interrupt()? Also, do
I need to backport this through -stable? Has this been tested
somehow? What are the impacts of missing this?

Thanks.

--
tejun


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