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Message-id: <57F6EE21.2060903@samsung.com>
Date:   Fri, 07 Oct 2016 09:36:49 +0900
From:   Chanwoo Choi <cw00.choi@...sung.com>
To:     Javier Martinez Canillas <javier@....samsung.com>,
        linux-kernel@...r.kernel.org
Cc:     Markus Reichl <m.reichl@...etechno.de>,
        Tobias Jakobi <tjakobi@...h.uni-bielefeld.de>,
        Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...eaurora.org>,
        Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>,
        Krzysztof Kozlowski <krzk@...nel.org>,
        linux-clk@...r.kernel.org
Subject: Re: [PATCH] clk: max77686: fix number of clocks setup for clk_hw based
 registration

Hi Javier,

On 2016년 10월 06일 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@...70000: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@...etechno.de>
> Suggested-by: Tobias Jakobi <tjakobi@...h.uni-bielefeld.de>
> Signed-off-by: Javier Martinez Canillas <javier@....samsung.com>
> Tested-by: Markus Reichl <m.reichl@...etechno.de>
> 
> ---
> 
>  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@...sung.com>

-- 
Best Regards,
Chanwoo Choi

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