linux-kernel - Re: [PATCH] MIPS: Do not define pci_remap_iospace() under MACH

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Date:   Thu, 9 Dec 2021 10:21:08 +0100
From:   Thomas Bogendoerfer <tsbogend@...ha.franken.de>
To:     Sergio Paracuellos <sergio.paracuellos@...il.com>
Cc:     Tiezhu Yang <yangtiezhu@...ngson.cn>,
        Xuefeng Li <lixuefeng@...ngson.cn>,
        "open list:MIPS" <linux-mips@...r.kernel.org>,
        linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] MIPS: Do not define pci_remap_iospace() under
 MACH_LOONGSON64

On Wed, Dec 08, 2021 at 02:47:56PM +0100, Sergio Paracuellos wrote:
> > -#endif
> > -
> >  #ifdef CONFIG_PCI_DRIVERS_LEGACY
> >
> >  /*
> > diff --git a/arch/mips/pci/pci-generic.c b/arch/mips/pci/pci-generic.c
> > index 18eb8a453a86..d2d68bac3d25 100644
> > --- a/arch/mips/pci/pci-generic.c
> > +++ b/arch/mips/pci/pci-generic.c
> > @@ -47,6 +47,7 @@ void pcibios_fixup_bus(struct pci_bus *bus)
> >         pci_read_bridge_bases(bus);
> >  }
> >
> > +#ifdef pci_remap_iospace
> >  int pci_remap_iospace(const struct resource *res, phys_addr_t phys_addr)
> >  {
> >         unsigned long vaddr;
> > @@ -60,3 +61,4 @@ int pci_remap_iospace(const struct resource *res, phys_addr_t phys_addr)
> >         set_io_port_base(vaddr);
> >         return 0;
> >  }
> > +#endif
> 
> I agree this is cleaner than the CONFIG_MACH_LOONGSON64 ifdef stuff. I
> have tested this changes in mt7621 ralink platform and all seem to
> work, so in case you want to include this, feel free to add my:

thank you for testing.

> Tested-by: Sergio Paracuellos <sergio.paracuellos@...il.com>
> Acked-by: Sergio Paracuellos <sergio.paracuellos@...il.com>
> 
> Thomas, if you prefer me to send this as a more formal PATCH, please
> let me know.

Thiezhu already did, I'll add your tags the new patch.

Thomas.

-- 
Crap can work. Given enough thrust pigs will fly, but it's not necessarily a
good idea.                                                [ RFC1925, 2.3 ]