Re: [PATCH] clk: max77686: fix number of clocks setup for clk_hw based registration

From: Chanwoo Choi
Date: Thu Oct 06 2016 - 21:08:13 EST


Hi Javier,

On 2016ë 10ì 06ì 23:59, Javier Martinez Canillas wrote:
> The commit 9b4cac33adc7 ("clk: max77686: Migrate to clk_hw based OF and
> registration APIs") converted the driver to use the new provider API to
> register clocks using clk_hw.
>
> But unfortunately, in the conversion it missed to set the num_clks value
> which lead to the following error when trying to register a clk provider:
>
> [ 1.963782] of_clk_max77686_get: invalid index 0
> [ 1.967460] ERROR: could not get clock /rtc@10070000:rtc_src(1)
> [ 1.973638] s3c-rtc 10070000.rtc: failed to find rtc source clock
>
> Fix it by correctly set the max77686_clk_driver_data num_clks member.
>
> Fixes: 9b4cac33adc7 ("clk: max77686: Migrate to clk_hw based OF and registration APIs")
> Reported-by: Markus Reichl <m.reichl@xxxxxxxxxxxxx>
> Suggested-by: Tobias Jakobi <tjakobi@xxxxxxxxxxxxxxxxxxxxx>
> Signed-off-by: Javier Martinez Canillas <javier@xxxxxxxxxxxxxxx>
> Tested-by: Markus Reichl <m.reichl@xxxxxxxxxxxxx>
>
> ---
>
> drivers/clk/clk-max77686.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/drivers/clk/clk-max77686.c b/drivers/clk/clk-max77686.c
> index b637f5979023..eb953d3b0b69 100644
> --- a/drivers/clk/clk-max77686.c
> +++ b/drivers/clk/clk-max77686.c
> @@ -216,6 +216,7 @@ static int max77686_clk_probe(struct platform_device *pdev)
> return -EINVAL;
> }
>
> + drv_data->num_clks = num_clks;
> drv_data->max_clk_data = devm_kcalloc(dev, num_clks,
> sizeof(*drv_data->max_clk_data),
> GFP_KERNEL);
>

Looks good to me.

Reviewed-by: Chanwoo Choi <cw00.choi@xxxxxxxxxxx>

--
Best Regards,
Chanwoo Choi