Messages in this thread | | | Date | Wed, 16 Apr 2014 16:01:32 -0400 | From | Tejun Heo <> | Subject | Re: [PATCH 1/2] ahci: Ensure "MSI Revert to Single Message" mode is not enforced |
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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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