Re: [PATCH v2 03/15] MIPS: PCI: Compatibility with ARM-like PCI host drivers

From: Florian Fainelli
Date: Thu May 05 2016 - 13:14:11 EST

On 05/05/16 04:02, Paul Burton wrote:
> On Wed, May 04, 2016 at 06:36:32PM -0700, Florian Fainelli wrote:
>> Hi Paul,
>> On 04/04/16 03:09, Paul Burton wrote:
>>> Hi Florian,
>>> Just an FYI, the pcie-xilinx driver I wrote this for has since been
>>> converted away from the ARM-like pci_common_init_dev & struct hw_pci to
>>> use only functions provided by the core PCI subsystem[1]. As a result
>>> I've stopped using this patch & don't plan to continue work on it.
>>> Perhaps it would be cleanest to do a similar conversion for the driver
>>> you're using?
>> Yes, I did just that, but as of v4.6-rc6, I am seeing a bunch of
>> undefined references while doing so:
>> arch/mips/pci/built-in.o: In function `pcibios_enable_device':
>> (.text+0x550): undefined reference to `pcibios_plat_dev_init'
>> arch/mips/pci/built-in.o: In function `pcibios_init':
>> pci.c:(.init.text+0x6c): undefined reference to `pcibios_map_irq'
>> pci.c:(.init.text+0x78): undefined reference to `pcibios_map_irq'
>> and this makes perfect sense because arch/mips/pci/pci.c is referencing
>> those functions, while I did not add anything for BMIPS_GENERIC.
>> At this point, I would very much prefer that the MIPS/Linux kernel did
>> not rely on the different machines to provide those implementations
>> (though it definitively is not a big deal to add them, it just feels
>> unnecessary), I will try to cook a patch for that and provide dummy
>> fallbacks.
> Hi Florian,
> I've done much the same for Boston already - do these patches work for
> you?

Yep, that's exactly what I needed, this worked great with the
pcie-brcmstb.c driver, thanks!

I can re-test them once you make a formal submission for the Boston board.