git: 5ad6d28cbe6b - main - enetc: Support building the driver as a loadable module.

Marcin Wojtas mw at semihalf.com
Sun Aug 8 07:17:41 UTC 2021


śr., 4 sie 2021 o 20:18 John Baldwin <jhb at freebsd.org> napisał(a):
>
> On 8/3/21 3:08 AM, Marcin Wojtas wrote:
> > The branch main has been updated by mw:
> >
> > URL: https://cgit.FreeBSD.org/src/commit/?id=5ad6d28cbe6b3ff85e49607a7e04cb68db3ed6df
> >
> > commit 5ad6d28cbe6b3ff85e49607a7e04cb68db3ed6df
> > Author:     Kornel Duleba <mindal at semihalf.com>
> > AuthorDate: 2021-07-28 09:23:23 +0000
> > Commit:     Marcin Wojtas <mw at FreeBSD.org>
> > CommitDate: 2021-08-03 10:07:49 +0000
> >
> >      enetc: Support building the driver as a loadable module.
> >
> >      Function level reset has to be done in attach in order to put the
> >      hardware in a known state before configuring it.
> >      The order of DRIVER_MODULEs was changed to ensure that the miibus driver
> >      is loaded when mii_attach is called.
> >
> >      Obtained from: Semihalf
> >      Sponsored by: Alstom Group
> > ---
> >   sys/dev/enetc/if_enetc.c   | 6 +++++-
> >   sys/modules/Makefile       | 2 ++
> >   sys/modules/enetc/Makefile | 8 ++++++++
> >   3 files changed, 15 insertions(+), 1 deletion(-)
> >
> > diff --git a/sys/dev/enetc/if_enetc.c b/sys/dev/enetc/if_enetc.c
> > index 54cdc6ea9ad4..46327eb419bf 100644
> > --- a/sys/dev/enetc/if_enetc.c
> > +++ b/sys/dev/enetc/if_enetc.c
> > @@ -158,8 +158,8 @@ static driver_t enetc_driver = {
> >   };
> >
> >   static devclass_t enetc_devclass;
> > -DRIVER_MODULE(enetc, pci, enetc_driver, enetc_devclass, NULL, NULL);
> >   DRIVER_MODULE(miibus, enetc, miibus_driver, miibus_devclass, NULL, NULL);
> > +DRIVER_MODULE(enetc, pci, enetc_driver, enetc_devclass, NULL, NULL);
> >   MODULE_VERSION(enetc, 1);
>
> This is not the right way to fix this as the toolchain is free to reorder
> symbols.  You should instead use 'DRIVER_MODULE_ORDERED(..., SI_ORDER_LAST)'
> for enetc so that the miibus driver is registered first.
>

Thank you for the remark - I will submit a fix for that.

Best regards,
Marcin


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