Re: Regression 3.2 -> 3.3-rc1 10 sec hang at boot and resume, COMRESETfailed

[Jeff Garzik]

On 02/15/2012 01:31 PM, Tejun Heo wrote:
> Hey, Jeff.
>
> On Wed, Feb 15, 2012 at 01:29:29PM -0500, Jeff Garzik wrote:
> > A module parameter is not necessarily the best/only option.
> > ahci_platform already has infrastructure set up to deal with
> > platform-specific quirks.  An internal flag seems more appropriate
> > to enable automatic handling of this on the specific platforms where
> > it applies (plus the revert Tejun has already mentioned).
>
> The problem is that there's no way to identify the controller in
> question, so we can't do this automatically, so might just as well do
> it in the simplest way for now.  :(

See ahci_devtype[] and ahci_port_info[] in ahci_platform.c for how to do 
this.  Brian would not have to tweak the driver out of tree as claimed; 
we put all changes in tree, and the platform calls itself 
"spec-strict-ahci" or whatever string you prefer.

	Jeff



--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/