Re: [PATCH 1/2] clk: at91: remove the checking of parent_name

From: Alexandre Belloni
Date: Fri Jun 26 2020 - 16:58:52 EST


On 25/06/2020 13:09:27+0300, Claudiu Beznea wrote:
> There is no need to check parent_name variable while assigning it to
> init.parent_names. parent_name variable is already checked at
> the beginning of at91_clk_register_sam9x5_peripheral() function.
> Same thing with init.num_parents: it could only be 1.
>
> Fixes: 6114067e437eb ("clk: at91: add PMC peripheral clocks")
> Signed-off-by: Claudiu Beznea <claudiu.beznea@xxxxxxxxxxxxx>
Reviewed-by: Alexandre Belloni <alexandre.belloni@xxxxxxxxxxx>

> ---
> drivers/clk/at91/clk-peripheral.c | 8 ++++----
> 1 file changed, 4 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/clk/at91/clk-peripheral.c b/drivers/clk/at91/clk-peripheral.c
> index c2ab4860a2bf..4a0f40738fe3 100644
> --- a/drivers/clk/at91/clk-peripheral.c
> +++ b/drivers/clk/at91/clk-peripheral.c
> @@ -111,8 +111,8 @@ at91_clk_register_peripheral(struct regmap *regmap, const char *name,
>
> init.name = name;
> init.ops = &peripheral_ops;
> - init.parent_names = (parent_name ? &parent_name : NULL);
> - init.num_parents = (parent_name ? 1 : 0);
> + init.parent_names = &parent_name;
> + init.num_parents = 1;
> init.flags = 0;
>
> periph->id = id;
> @@ -340,8 +340,8 @@ at91_clk_register_sam9x5_peripheral(struct regmap *regmap, spinlock_t *lock,
>
> init.name = name;
> init.ops = &sam9x5_peripheral_ops;
> - init.parent_names = (parent_name ? &parent_name : NULL);
> - init.num_parents = (parent_name ? 1 : 0);
> + init.parent_names = &parent_name;
> + init.num_parents = 1;
> init.flags = 0;
>
> periph->id = id;
> --
> 2.7.4
>

--
Alexandre Belloni, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com