RE: [PATCH v6 3/6] m68k: coldfire: Add clk_get_optional() function

From: Phil Edworthy
Date: Thu Nov 29 2018 - 07:02:24 EST


Hi Greq,

On 29 November 2018 11:55, Greg Ungerer wrote:
> On 17/11/18 12:59 am, Phil Edworthy wrote:
> > clk_get_optional() returns NULL if not found instead of -ENOENT,
> > otherwise the behaviour is the same as clk_get().
> >
> > Signed-off-by: Phil Edworthy <phil.edworthy@xxxxxxxxxxx>
>
> Acked-by: Greg Ungerer <gerg@@linux-m68k.org>
>
> Looks good. Do you want me to take this in the m68knommu git tree?
> Or is the whole series going through some other tree?
This patch is no longer needed as I found a better way to implement this:
[PATCH v8] clk: Add (devm_)clk_get_optional() functions
https://patchwork.kernel.org/patch/10690437/

Apologies for any confusion,
Phil

> Regards
> Greg
>
>
>
> > ---
> > arch/m68k/coldfire/clk.c | 11 +++++++++++
> > 1 file changed, 11 insertions(+)
> >
> > diff --git a/arch/m68k/coldfire/clk.c b/arch/m68k/coldfire/clk.c index
> > 7bc666e482eb..b221cabc7f54 100644
> > --- a/arch/m68k/coldfire/clk.c
> > +++ b/arch/m68k/coldfire/clk.c
> > @@ -87,6 +87,17 @@ struct clk *clk_get(struct device *dev, const char *id)
> > }
> > EXPORT_SYMBOL(clk_get);
> >
> > +struct clk *clk_get_optional(struct device *dev, const char *id) {
> > + struct clk *clk = clk_get(dev, id);
> > +
> > + if (clk == ERR_PTR(-ENOENT))
> > + clk = NULL;
> > +
> > + return clk;
> > +}
> > +EXPORT_SYMBOL(clk_get_optional);
> > +
> > int clk_enable(struct clk *clk)
> > {
> > unsigned long flags;
> >