Re: PCIE link reset in older kernels < 2.6.33

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On Thu, Mar 05, 2015 at 23:14:41 -0700, Alex Williamson wrote:
> On Fri, 2015-03-06 at 05:24 +0000, Hariprasad S wrote:
> > Hi Alex,
> > 
> > I am a newbie to PCIE driver. 
> > How can we achieve PCIE link reset in older kernels?
> > 
> > I do see that in newer kernels we can achieve it by pci_try_reset_slot(). Is there a similar API available for older kernels.
> 
> pci_reset_function() has been around for quite a while, but it has the
> limitation that it will only do a bus reset if there are no other reset
> mechanisms available and the bus only hosts a single device.  Otherwise,
> no, there's no API I'm aware of that would be available on older
> kernels, which is why I created the bus/slot reset interfaces we have
> today on newer kernels.  Thanks,
> 
> Alex
> 
Thanks. Will have a look into it.

Hariprasad
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