linux-kernel - Re: [PATCH] fpga: dfl: pci: add device id for Intel FPGA PAC N3000

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Date:   Fri, 10 Jul 2020 13:24:43 +0800
From:   Xu Yilun <yilun.xu@...el.com>
To:     Tom Rix <trix@...hat.com>
Cc:     "Wu, Hao" <hao.wu@...el.com>, "mdf@...nel.org" <mdf@...nel.org>,
        "linux-fpga@...r.kernel.org" <linux-fpga@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "lgoncalv@...hat.com" <lgoncalv@...hat.com>,
        Matthew Gerlach <matthew.gerlach@...ux.intel.com>,
        "Weight, Russell H" <russell.h.weight@...el.com>
Subject: Re: [PATCH] fpga: dfl: pci: add device id for Intel FPGA PAC N3000

On Thu, Jul 09, 2020 at 06:00:40AM -0700, Tom Rix wrote:
> 
> On 7/9/20 3:14 AM, Wu, Hao wrote:
> >> On Thu, Jul 09, 2020 at 05:10:49PM +0800, Wu, Hao wrote:
> >>>> Subject: [PATCH] fpga: dfl: pci: add device id for Intel FPGA PAC N3000
> >>>>
> >>>> Add PCIe Device ID for Intel FPGA PAC N3000.
> >>>>
> >>>> Signed-off-by: Wu Hao <hao.wu@...el.com>
> >>>> Signed-off-by: Xu Yilun <yilun.xu@...el.com>
> >>>> Signed-off-by: Matthew Gerlach <matthew.gerlach@...ux.intel.com>
> >>>> Signed-off-by: Russ Weight <russell.h.weight@...el.com>
> >>>> ---
> >>>>  drivers/fpga/dfl-pci.c | 2 ++
> >>>>  1 file changed, 2 insertions(+)
> >>>>
> >>>> diff --git a/drivers/fpga/dfl-pci.c b/drivers/fpga/dfl-pci.c
> >>>> index 73b5153..824aecf 100644
> >>>> --- a/drivers/fpga/dfl-pci.c
> >>>> +++ b/drivers/fpga/dfl-pci.c
> >>>> @@ -64,6 +64,7 @@ static void cci_pci_free_irq(struct pci_dev *pcidev)
> >>>>  #define PCIE_DEVICE_ID_PF_INT_5_X0xBCBD
> >>>>  #define PCIE_DEVICE_ID_PF_INT_6_X0xBCC0
> >>>>  #define PCIE_DEVICE_ID_PF_DSC_1_X0x09C4
> >>>> +#define PCIE_DEVICE_ID_PF_PAC_N3000 0x0B30
> >>> Should we drop _PF_ here? and also do you want _INTEL_ here?
> >> I think we could keep _PF_, also there is no need to support VF of pac
> >> n3000 in product now, but it does exist (ID: 0x0b31).
> 
> I was wondering about the vf id, thanks!
> 
> >>
> >> And add _INTEL_ is good to me.
> >>
> >> Then how about this one:
> >>   #define PCIE_DEVICE_ID_PF_INTEL_PAC_N3000	0x0B30
> > I am just considering the alignment with ids defined in include/linux/pci_ids.h
> > So drop _PF_ before _INTEL_ would be better? : )
> 
> To be consistent, all the id's are intel and all could drop pf.

That's good to me after checking the pci_ids.h. So we have:

#define PCIE_DEVICE_ID_INTEL_PAC_N3000        0x0B30

> 
> Tom
> 
> >
> > Thanks
> > Hao
> >