[PATCH rtems-libbsd 3/3] freebsd/cgem: Add weak symbol for riscv

[Padmarao.Begari at microchip.com]

Hi will,

> On Wed, 2023-03-01 at 08:27 -0600, Will wrote:
>  	
> This functionality is ideally implemented in a platform-specific
> system level control register (SLCR) driver similar to ZynqMP and
> Versal. You could also just leave it as-is since the default does
> exactly the same thing. This patch should be dropped unless you're
> going to define an implementation that will actually set the
> reference clock.
> 
Ok, will drop this patch.

Regards
Padmarao
> On Tue, Feb 28, 2023 at 11:57 PM Padmarao Begari <
> padmarao.begari at microchip.com> wrote:
> > Add __weak_symbol instead of __weak_reference for the
> > cgem_set_ref_clk() function for riscv build.
> > ---
> >  freebsd/sys/dev/cadence/if_cgem.c | 7 +++++++
> >  1 file changed, 7 insertions(+)
> > 
> > diff --git a/freebsd/sys/dev/cadence/if_cgem.c
> > b/freebsd/sys/dev/cadence/if_cgem.c
> > index 363a9717..a12f7b43 100644
> > --- a/freebsd/sys/dev/cadence/if_cgem.c
> > +++ b/freebsd/sys/dev/cadence/if_cgem.c
> > @@ -1764,6 +1764,12 @@ cgem_miibus_linkchg(device_t dev)
> >   * Overridable weak symbol cgem_set_ref_clk().  This allows
> > platforms to
> >   * provide a function to set the cgem's reference clock.
> >   */
> > +#ifdef __riscv
> > +__weak_symbol int cgem_set_ref_clk(int unit, int frequency)
> > +{
> > +       return 0;
> > +}
> > +#else
> >  static int __used
> >  cgem_default_set_ref_clk(int unit, int frequency)
> >  {
> > @@ -1771,6 +1777,7 @@ cgem_default_set_ref_clk(int unit, int
> > frequency)
> >         return 0;
> >  }
> >  __weak_reference(cgem_default_set_ref_clk, cgem_set_ref_clk);
> > +#endif /* __riscv */
> > 
> >  /* Call to set reference clock and network config bits according
> > to media. */
> >  static void