linux-kernel - Re: [PATCH v3] PCI: mt7621: Convert driver into 'bool'

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Date:   Wed, 5 Jan 2022 15:06:08 +0100
From:   Sergio Paracuellos <sergio.paracuellos@...il.com>
To:     Lorenzo Pieralisi <lorenzo.pieralisi@....com>
Cc:     linux-pci <linux-pci@...r.kernel.org>,
        Thomas Bogendoerfer <tsbogend@...ha.franken.de>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        Arnd Bergmann <arnd@...db.de>,
        Guenter Roeck <linux@...ck-us.net>,
        linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v3] PCI: mt7621: Convert driver into 'bool'

Hi Lorenzo,

On Wed, Jan 5, 2022 at 3:01 PM Lorenzo Pieralisi
<lorenzo.pieralisi@....com> wrote:
>
> On Fri, Dec 03, 2021 at 08:24:54PM +0100, Sergio Paracuellos wrote:
> > Driver is not ready yet to be compiled as a module since it depends on some
> > MIPS not exported symbols. We have the following current problems:
> >
> > Building mips:allmodconfig ... failed
> > --------------
> > Error log:
> > ERROR: modpost: missing MODULE_LICENSE() in drivers/pci/controller/pcie-mt7621.o
> > ERROR: modpost: "mips_cm_unlock_other" [drivers/pci/controller/pcie-mt7621.ko] undefined!
> > ERROR: modpost: "mips_cpc_base" [drivers/pci/controller/pcie-mt7621.ko] undefined!
> > ERROR: modpost: "mips_cm_lock_other" [drivers/pci/controller/pcie-mt7621.ko] undefined!
> > ERROR: modpost: "mips_cm_is64" [drivers/pci/controller/pcie-mt7621.ko] undefined!
> > ERROR: modpost: "mips_gcr_base" [drivers/pci/controller/pcie-mt7621.ko] undefined!
> >
> > Temporarily move from 'tristate' to 'bool' until a better solution is ready.
> >
> > Also RALINK is redundant because SOC_MT7621 already depends on it. Hence,
> > simplify condition.
> >
> > Fixes: 2bdd5238e756 ("PCI: mt7621: Add MediaTek MT7621 PCIe host controller driver").
> > Reviewed-and-tested-by: Guenter Roeck <linux@...ck-us.net>
> > Signed-off-by: Sergio Paracuellos <sergio.paracuellos@...il.com>
> > ---
> > Changes in v3:
> >  - Adjust subject to follow convention:
> >     s/PCI: mt7621: Kconfig:/PCI: mt7621:/
> > Changes in v2:
> >  - Add Guenter's 'Reviewed-and-tested-by'.
> >  - s/after/until
> >  drivers/pci/controller/Kconfig | 4 ++--
> >  1 file changed, 2 insertions(+), 2 deletions(-)
> >
> > diff --git a/drivers/pci/controller/Kconfig b/drivers/pci/controller/Kconfig
> > index 93b141110537..7fc5135ffbbf 100644
> > --- a/drivers/pci/controller/Kconfig
> > +++ b/drivers/pci/controller/Kconfig
> > @@ -332,8 +332,8 @@ config PCIE_APPLE
> >         If unsure, say Y if you have an Apple Silicon system.
> >
> >  config PCIE_MT7621
> > -     tristate "MediaTek MT7621 PCIe Controller"
> > -     depends on (RALINK && SOC_MT7621) || (MIPS && COMPILE_TEST)
> > +     bool "MediaTek MT7621 PCIe Controller"
> > +     depends on SOC_MT7621 || (MIPS && COMPILE_TEST)
> >       select PHY_MT7621_PCI
> >       default SOC_MT7621
> >       help
> > --
> > 2.33.0
> >
>
> Hi Sergio,
>
> I believe this is still to be pulled in some tree, just asking for
> confirmation, please let me know and I will queue it.

This is already in Linus'tree [0].

>
> Thanks,
> Lorenzo

Best regards,
    Sergio Paracuellos

[0]: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/drivers/pci/controller?id=aa50faff4416c869b52dff68a937c84d29e12f4b