Re: [PATCH v3 6/6] PCI: cadence: Add host driver for Cadence PCIe controller

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On Tue, Jan 16, 2018 at 04:46:12PM +0530, Kishon Vijay Abraham I wrote:

[...]

> > +static struct platform_driver cdns_pcie_host_driver = {
> > +	.driver = {
> > +		.name = "cdns-pcie-host",
> > +		.of_match_table = cdns_pcie_host_of_match,
> > +	},
> > +	.probe = cdns_pcie_host_probe,
> > +};
> 
> In the case of DWC, designware core is modeled as a library which has
> API's to be invoked by various platform specific glue drivers.
> 
> But with the cadence approach we'll have two separate drivers: the
> cadence core driver and the platform specific glue drivers. Is this
> approach chosen for a specific reason?

That's a fair point but I do not think that's a concern at the moment.

If/when other platform drivers are built around the generic IP we just
have to refactor this driver and turn into a core library + a PCI host
bridge driver like dwc does, at the moment I do not necessarily see the
reason for splitting them.

Cyrille ?

Thanks,
Lorenzo



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