Re: [stable] [Bugme-new] [Bug 12351] New: sata_nv hotplug not work in 2.6.27.10

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On Fri, Jan 16, 2009 at 08:38:18PM -0600, Robert Hancock wrote:
> Greg KH wrote:
> > On Tue, Jan 06, 2009 at 06:19:44PM -0600, Robert Hancock wrote:
> >> Giovanni Pancotti wrote:
> >>> On Monday 05 January 2009, alle 18:57, Robert Hancock wrote:
> >>>
> >>>>>> Hardware Environment:x86 ASUS M2N-E
> >>>> OK, this is an MCP61 board. We're now using softreset instead of hardreset 
> >>>> on hotplug and apparently that doesn't work. Thing is that:
> >>> no, it is not MCP61, but MCP55:
> >> Ahh, ok, that is less contradictory then :-) Presumably we should still 
> >> be using hardreset on that chipset.
> > 
> > So, do we know how to solve this in the 2.6.27.y tree?
> 
> Can you try reverting this patch?
> 
> http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff_plain;h=3c324283e6cdb79210cf7975c3e40d3ba3e672b2
> 
> This likely isn't a proper fix as it will probably re-break some other 
> chipsets but it will confirm what the problem is in this case. It looks 
> like this patch changed MCP55 to inherit from generic_ops instead of 
> common_ops which caused it to use soft reset instead of hard reset. Not 
> sure if that was intentional or not.. Tejun?

I don't want to revert that, as I don't want to break anything else :)

thanks,

greg k-h
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