Hi,
On Mon, Dec 03, 2018 at 02:17:56PM +0200, Matti Vaittinen wrote:
> diff --git a/drivers/clk/clkdev.c b/drivers/clk/clkdev.c
> index 9ab3db8b3988..68a1e55a60d2 100644
> --- a/drivers/clk/clkdev.c
> +++ b/drivers/clk/clkdev.c
> @@ -401,6 +401,25 @@ static struct clk_lookup *__clk_register_clkdev(struct
> clk_hw *hw,
> return cl;
> }
>
> +static int do_clk_register_clkdev(struct clk_hw *hw,
> + struct clk_lookup **cl, const char *con_id, const char *dev_id)
> +{
> +
No need for this blank line.
> + if (IS_ERR(hw))
> + return PTR_ERR(hw);
> + /*
> + * Since dev_id can be NULL, and NULL is handled specially, we must
> + * pass it as either a NULL format string, or with "%s".
> + */
> + if (dev_id)
> + *cl = __clk_register_clkdev(hw, con_id, "%s",
> + dev_id);
Please move "dev_id);" onto the line above.
> @@ -420,20 +439,10 @@ int clk_register_clkdev(struct clk *clk, const char
> *con_id,
> {
> struct clk_lookup *cl;
>
> - if (IS_ERR(clk))
> - return PTR_ERR(clk);
> -
> - /*
> - * Since dev_id can be NULL, and NULL is handled specially, we must
> - * pass it as either a NULL format string, or with "%s".
> - */
> - if (dev_id)
> - cl = __clk_register_clkdev(__clk_get_hw(clk), con_id, "%s",
> - dev_id);
> - else
> - cl = __clk_register_clkdev(__clk_get_hw(clk), con_id, NULL);
> -
> - return cl ? 0 : -ENOMEM;
> + if (!IS_ERR(clk))
> + return do_clk_register_clkdev(__clk_get_hw(clk), &cl, con_id,
> + dev_id);
> + return PTR_ERR(clk);
Please keep this as:
if (IS_ERR(clk))
return PTR_ERR(clk);
return do_clk_register_clkdev(__clk_get_hw(clk), &cl, con_id,
dev_id);
rather than inverting it - it makes it more consistent with code elsewhere.
> +static int devm_clk_match_clkdev(struct device *dev, void *res, void *data)
> +{
> + struct clk_lookup **l = res;
> +
> + if (!l || !*l) {
> + WARN_ON(!l || !*l);
How can "l" be NULL here? How can *l be NULL?
--
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