RE: [PATCH v3] PCI: dwc: Add support to add GEN3 related equalization quirks

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> -----Original Message-----
> From: 'Christoph Hellwig' <hch@xxxxxxxxxxxxx>
> Sent: Tuesday, October 15, 2019 2:36 PM
> To: Pankaj Dubey <pankaj.dubey@xxxxxxxxxxx>
> Cc: 'Christoph Hellwig' <hch@xxxxxxxxxxxxx>; linux-pci@xxxxxxxxxxxxxxx;
linux-
> kernel@xxxxxxxxxxxxxxx; bhelgaas@xxxxxxxxxx; andrew.murray@xxxxxxx;
> lorenzo.pieralisi@xxxxxxx; gustavo.pimentel@xxxxxxxxxxxx;
> jingoohan1@xxxxxxxxx; vidyas@xxxxxxxxxx; 'Anvesh Salveru'
> <anvesh.s@xxxxxxxxxxx>
> Subject: Re: [PATCH v3] PCI: dwc: Add support to add GEN3 related
equalization
> quirks
> 
> On Tue, Oct 15, 2019 at 02:28:00PM +0530, Pankaj Dubey wrote:
> > Is this something mandatory?
> >
> > As we discussed during first patch-set here [1] with Andrew, we have
> > need of this patch (along with some other stuffs, which will be sent
> > soon), to clean up our internal driver and make it ready for upstream.
> > As of today we have some internal restrictions where we can't make it
> > to upstream along with this patch.
> 
> We don't add code to the kernel without actual users.

OK, but do we think the current driver has only code which is being used by
some user?
At least I can see current driver has some features which is not being used
by any current driver.  

I will leave this call up-to the maintainers.
IMO, This being an DWC H/W IP feature, for me it makes sense to have it in
DWC controller driver as long as it does not break any existing
functionality, irrespective of actual user is present or not. 




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