linux-kernel - Re: [PATCH] PCI: Add MUCSE vendor ID to pci

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Message-ID: <1835B10BD36E99AC+20250327112426.GB468890@nic-Precision-5820-Tower>
Date: Thu, 27 Mar 2025 19:24:26 +0800
From: Yibo Dong <dong100@...se.com>
To: Bjorn Helgaas <helgaas@...nel.org>
Cc: bhelgaas@...gle.com, linux-pci@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] PCI: Add MUCSE vendor ID to pci_ids.h

On Wed, Mar 26, 2025 at 11:57:28AM -0500, Bjorn Helgaas wrote:
> On Tue, Mar 25, 2025 at 02:57:18PM +0800, Yibo Dong wrote:
> > Add MUCSE as a vendor ID (0x8848) for PCI devices so we can use
> > the macro for future drivers.
> > 
> > Signed-off-by: Yibo Dong <dong100@...se.com>
> 
> Please post this in the series where you add the future drivers.
> 
> We don't add new things to pci_ids.h unless they are actually used by
> more than one driver because it complicates life for people who
> backport things (there's a note at the top of the file about this).
> 

Thanks for the reminder; the drivers maybe use 'the define' are netdev drivers,
so, I should first send patches to netdev subsystem, and re-send this patch
to pci subsystem after my patches is applied by netdev subsytem? or I should send 
this to netdev subsystem along with the drivers?

> > ---
> >  include/linux/pci_ids.h | 2 ++
> >  1 file changed, 2 insertions(+)
> > 
> > diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h
> > index de5deb1a0118..f1b4c61c6d3c 100644
> > --- a/include/linux/pci_ids.h
> > +++ b/include/linux/pci_ids.h
> > @@ -3143,6 +3143,8 @@
> >  #define PCI_VENDOR_ID_SCALEMP		0x8686
> >  #define PCI_DEVICE_ID_SCALEMP_VSMP_CTL	0x1010
> >  
> > +#define PCI_VENDOR_ID_MUCSE		0x8848
> 
> https://pcisig.com/membership/member-companies?combine=8848 says this
> Vendor ID belongs to:
> 
>   Wuxi Micro Innovation Integrated Circuit Design Co.,Ltd
> 
> I suppose "MUCSE" connects with that somehow.
> 
> It's nice if people can connect PCI_VENDOR_ID_MUCSE with a name used
> in marketing the product.  Maybe "MUCSE" is the name under which
> Wuxi Micro Innovation Integrated Circuit Design Co.,Ltd markets
> products?
>

Yes, MUCSE is just abbreviation for “Wuxi Micro Innovation Integrated Circuit
Design Co.,Ltd”

> >  #define PCI_VENDOR_ID_COMPUTONE		0x8e0e
> >  #define PCI_DEVICE_ID_COMPUTONE_PG	0x0302
> >  #define PCI_SUBVENDOR_ID_COMPUTONE	0x8e0e
> > -- 
> > 2.25.1
> > 
>