Re: [PATCH v5 1/8] clk: Zero init clk_init_data in helpers

From: Manivannan Sadhasivam
Date: Sun Oct 20 2019 - 11:26:58 EST


On Tue, Sep 17, 2019 at 01:39:56PM -0700, Stephen Boyd wrote:
> Quoting Manivannan Sadhasivam (2019-09-16 09:14:40)
> > The clk_init_data struct needs to be initialized to zero for the new
> > parent_map implementation to work correctly. Otherwise, the member which
> > is available first will get processed.
> >
> > Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@xxxxxxxxxx>
> > ---
> > drivers/clk/clk-composite.c | 2 +-
> > drivers/clk/clk-divider.c | 2 +-
> > drivers/clk/clk-fixed-rate.c | 2 +-
> > drivers/clk/clk-gate.c | 2 +-
> > drivers/clk/clk-mux.c | 2 +-
> > 5 files changed, 5 insertions(+), 5 deletions(-)
> >
> > diff --git a/drivers/clk/clk-composite.c b/drivers/clk/clk-composite.c
> > index b06038b8f658..4d579f9d20f6 100644
> > --- a/drivers/clk/clk-composite.c
> > +++ b/drivers/clk/clk-composite.c
> > @@ -208,7 +208,7 @@ struct clk_hw *clk_hw_register_composite(struct device *dev, const char *name,
> > unsigned long flags)
> > {
> > struct clk_hw *hw;
> > - struct clk_init_data init;
> > + struct clk_init_data init = { NULL };
>
> I'd prefer { } because then we don't have to worry about ordering the
> struct to have a pointer vs. something else first.
>

okay. I thought having NULL would look more explicit!

Thanks,
Mani

> > struct clk_composite *composite;
> > struct clk_ops *clk_composite_ops;
> > int ret;