> -----Original Message-----
> From: Shawn Guo <[email protected]>
> Sent: 2019年10月3日 17:11
> To: Xiaowei Bao <[email protected]>
> Cc: [email protected]; [email protected]; Leo Li
> <[email protected]>; M.h. Lian <[email protected]>; Mingkai Hu
> <[email protected]>; Roy Zang <[email protected]>;
> [email protected]; [email protected];
> [email protected]; [email protected];
> [email protected]; [email protected];
> [email protected]; Z.q. Hou <[email protected]>
> Subject: Re: [PATCH v6 3/3] PCI: layerscape: Add LS1028a support
> 
> On Mon, Sep 02, 2019 at 11:43:19AM +0800, Xiaowei Bao wrote:
> > Add support for the LS1028a PCIe controller.
> >
> > Signed-off-by: Xiaowei Bao <[email protected]>
> > Signed-off-by: Hou Zhiqiang <[email protected]>
> > ---
> > v2:
> >  - No change.
> > v3:
> >  - Reuse the ls2088 driver data structurt.
> > v4:
> >  - No change.
> > v5:
> >  - No change.
> > v6:
> >  - No change.
> >
> >  drivers/pci/controller/dwc/pci-layerscape.c | 1 +
> >  1 file changed, 1 insertion(+)
> >
> > diff --git a/drivers/pci/controller/dwc/pci-layerscape.c
> > b/drivers/pci/controller/dwc/pci-layerscape.c
> > index 3a5fa26..f24f79a 100644
> > --- a/drivers/pci/controller/dwc/pci-layerscape.c
> > +++ b/drivers/pci/controller/dwc/pci-layerscape.c
> > @@ -263,6 +263,7 @@ static const struct ls_pcie_drvdata ls2088_drvdata
> > = {  static const struct of_device_id ls_pcie_of_match[] = {
> >     { .compatible = "fsl,ls1012a-pcie", .data = &ls1046_drvdata },
> >     { .compatible = "fsl,ls1021a-pcie", .data = &ls1021_drvdata },
> > +   { .compatible = "fsl,ls1028a-pcie", .data = &ls2088_drvdata },
> 
> I think you can save this driver change by using "fsl,ls2088a-pcie" as
> compatible fallback like below.
> 
>   compatible = "fsl,ls1028a-pcie", "fsl,ls2088a-pcie";

Yes, it is ok to do so, but according to the previous code, I think add a new 
compatible " fsl,ls1028a-pcie " to driver is better.

Thanks 
Xiaowei

> 
> Shawn
> 
> >     { .compatible = "fsl,ls1043a-pcie", .data = &ls1043_drvdata },
> >     { .compatible = "fsl,ls1046a-pcie", .data = &ls1046_drvdata },
> >     { .compatible = "fsl,ls2080a-pcie", .data = &ls2080_drvdata },
> > --
> > 2.9.5
> >

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