[PATCH v2 04/19] clk: imx: clk-imxrt1050: add set_parent() callback

[Giulio Benetti]

Hi Lukasz,

On 3/22/20 11:44 PM, Giulio Benetti wrote:
> Need to add set_parent() callback to allow dts assigned-clock-parents to
> work so let's add it accordingly.
> 
> Signed-off-by: Giulio Benetti <giulio.benetti at benettiengineering.com>
> ---
> V1->V2:
> * introduce patch to allow clock's parent setting in dts to work
> ---
>   drivers/clk/imx/clk-imxrt1050.c | 19 +++++++++++++++++++
>   1 file changed, 19 insertions(+)
> 
> diff --git a/drivers/clk/imx/clk-imxrt1050.c b/drivers/clk/imx/clk-imxrt1050.c
> index bb12644605..329f4580c5 100644
> --- a/drivers/clk/imx/clk-imxrt1050.c
> +++ b/drivers/clk/imx/clk-imxrt1050.c
> @@ -71,11 +71,30 @@ static int imxrt1050_clk_enable(struct clk *clk)
>   	return __imxrt1050_clk_enable(clk, 1);
>   }
>   
> +static int imxrt1050_clk_set_parent(struct clk *clk, struct clk *parent)
> +{
> +	struct clk *c, *cp;
> +	int ret;
> +
> +	debug("%s(#%lu), parent: %lu\n", __func__, clk->id, parent->id);
> +
> +	ret = clk_get_by_id(clk->id, &c);
> +	if (ret)
> +		return ret;
> +
> +	ret = clk_get_by_id(parent->id, &cp);
> +	if (ret)
> +		return ret;
> +
> +	return clk_set_parent(c, cp);
> +}
> +
>   static struct clk_ops imxrt1050_clk_ops = {
>   	.set_rate = imxrt1050_clk_set_rate,
>   	.get_rate = imxrt1050_clk_get_rate,
>   	.enable = imxrt1050_clk_enable,
>   	.disable = imxrt1050_clk_disable,
> +	.set_parent = imxrt1050_clk_set_parent,
>   };
>   
>   static const char * const pll_ref_sels[] = {"osc", "dummy", };
> 

Can you please review this patch? There was not in previous patchset.

Thanks in advance
Kind regards
-- 
Giulio Benetti
Benetti Engineering sas