RE: [PATCH 2/2] net: ethernet: Add driver for Sunplus SP7021

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> On Thu, Nov 04, 2021 at 05:31:57AM +0000, Wells Lu 呂芳騰 wrote:
> > Hi,
> >
> > Thanks a lot for review.
> >
> > >
> > > > config NET_VENDOR_SUNPLUS
> > > > 	bool "Sunplus devices"
> > > > 	default y
> > > > 	depends on ARCH_SUNPLUS
> > >
> > > Does it actually depend on ARCH_SUNPLUS? What do you make use of?
> >
> > ARCH_SUNPLUS will be defined for Sunplus family series SoC.
> > Ethernet devices of Sunplus are designed and used for Sunplus SoC.
> > So far, only two SoC of Sunplus have the network device.
> > I'd like to show up the selection only for Sunplus SoC.
> 
> So it does not actually depend on ARCH_SUNPLUS. There are a few cases where
> drivers have needed to call into arch specific code, which stops them building
> for any other arch.
> 
> > > Ideally, you want it to also build with COMPILE_TEST, so that the
> > > driver gets build by 0-day and all the other build bots.
> >
> > I am not sure if this is mandatory or not.
> > Should I add COMPILE_TEST as below?
> >
> > 	depends on ARCH_SUNPLUS | COMPILE_TEST
> 
> Yes.
> 
> > Yes, the device is now only for Sunplus SP7021 SoC.
> > Devices in each SoC may have a bit difference because of adding new
> > function or improving something.
> 
> If it will compile with COMPILE_TEST on x86, mips, etc, you should allow it to
> compile with COMPILE_TEST. You get better compile testing that way.
> 
>      Andrew

No, we only develop arm-based SoC, never for x86 or mips.
We never compile the driver for x86 or mips machine.





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