Re: [PATCH 1/2] clk: cache parent clocks only for muxes

[Rajendra Nayak]

On Wednesday 13 June 2012 12:34 AM, Mike Turquette wrote:
> On 20120606-11:47, Russell King - ARM Linux wrote:
> > On Wed, Jun 06, 2012 at 02:41:30PM +0530, Rajendra Nayak wrote:
> > > caching parent clocks makes sense only when a clock has more
> > > than one parent (mux clocks).
> > > Avoid doing this for every other clock.
> > >
> > > Signed-off-by: Rajendra Nayak<rnayak@xxxxxx>
> > > ---
> > >   drivers/clk/clk.c |    2 +-
> > >   1 files changed, 1 insertions(+), 1 deletions(-)
> > >
> > > diff --git a/drivers/clk/clk.c b/drivers/clk/clk.c
> > > index 687b00d..40568e9 100644
> > > --- a/drivers/clk/clk.c
> > > +++ b/drivers/clk/clk.c
> > > @@ -1229,7 +1229,7 @@ int __clk_init(struct device *dev, struct clk *clk)
> > >   	 * If clk->parents is not NULL we skip this entire block.  This allows
> > >   	 * for clock drivers to statically initialize clk->parents.
> > >   	 */
> > > -	if (clk->num_parents&&  !clk->parents) {
> > > +	if ((clk->num_parents>  1)&&  !clk->parents) {
> >
> > You don't need the additional parens here.  Please learn the C precedence
> > rules.  Additional unnecessary parens can make expressions much harder
> > to read.
>
> Rajendra,
>
> I've taken this patch into clk-next for testing.  I've fixed up the
> extra parens locally, so no need for a resend.

Thanks Mike.

> Regards,
> Mike

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