> -----Original Message-----
> From: Stephen Boyd [mailto:[email protected]]
> Sent: Saturday, March 24, 2018 12:57 AM
> To: A.s. Dong <[email protected]>; [email protected]
> Cc: [email protected]; [email protected];
> [email protected]; [email protected];
> [email protected]; [email protected]; linux-
> [email protected]; dl-linux-imx <[email protected]>; A.s. Dong
> <[email protected]>; Stephen Boyd <[email protected]>;
> Masahiro Yamada <[email protected]>
> Subject: Re: [PATCH V2 2/4] clk: add new APIs to operate on all available
> clocks
>
> Quoting Dong Aisheng (2018-03-20 20:19:49)
> > @@ -50,6 +52,38 @@ static int __must_check of_clk_bulk_get(struct
> device_node *np, int num_clks,
> > return ret;
> > }
> > EXPORT_SYMBOL(of_clk_bulk_get);
> > +
> > +static int __must_check of_clk_bulk_get_all(struct device_node *np,
> > + struct clk_bulk_data
> > +**clks) {
> > + struct clk_bulk_data *clk_bulk;
> > + int num_clks;
> > + int ret;
> > +
> > + num_clks = of_clk_get_parent_count(np);
> > + if (!num_clks)
> > + return 0;
> > +
> > + clk_bulk = kcalloc(num_clks, sizeof(*clk_bulk), GFP_KERNEL);
>
> Can be kmalloc_array? of_clk_bulk_get() already clears things out
> appropriately.
Yes, indeed. Will use kmalloc_array instead.
>
> > + if (!clk_bulk)
> > + return -ENOMEM;
> > +
> > + ret = of_clk_bulk_get(np, num_clks, clk_bulk);
> > + if (ret) {
> > + kfree(clk_bulk);
> > + return ret;
> > + }
> > +
> > + *clks = clk_bulk;
> > +
> > + return num_clks;
> > +}
> > +#else
> > +static int __must_check of_clk_bulk_get_all(struct device_node *np,
> > + struct clk_bulk_data
> > +**clks) {
> > + return -ENOENT;
> > +}
> > #endif
>
> This else can probably be dropped too.
>
Right.
> >
> > void clk_bulk_put(int num_clks, struct clk_bulk_data *clks) @@ -90,6
> > +124,29 @@ int __must_check clk_bulk_get(struct device *dev, int
> > num_clks, } EXPORT_SYMBOL(clk_bulk_get);
> >
> > +void clk_bulk_put_all(int num_clks, struct clk_bulk_data *clks) {
> > + if (IS_ERR_OR_NULL(clks))
> > + return;
> > +
> > + clk_bulk_put(num_clks, clks);
> > +
> > + kfree(clks);
> > +}
> > +EXPORT_SYMBOL(clk_bulk_put_all);
> > +
> > +int __must_check clk_bulk_get_all(struct device *dev,
> > + struct clk_bulk_data **clks) {
> > + struct device_node *np = dev_of_node(dev);
> > +
> > + if (!np)
> > + return 0;
> > +
> > + return of_clk_bulk_get_all(np, clks); }
> > +EXPORT_SYMBOL(clk_bulk_get_all);
>
> Looks better!
Thanks
Regards
Dong Aisheng
