Re: [PATCH 01/10] net: stmmac: Enable stmmac main clock when probing hardware

[Chen-Yu Tsai]

Hi,

On Wed, Dec 11, 2013 at 4:05 AM, Maxime Ripard
<maxime.ripard@xxxxxxxxxxxxxxxxxx> wrote:
> Hi,
>
> On Mon, Dec 09, 2013 at 10:43:29AM +0800, Chen-Yu Tsai wrote:
>> >> @@ -2759,15 +2760,18 @@ struct stmmac_priv *stmmac_dvr_probe(struct device *device,
>> >>               }
>> >>       }
>> >>
>> >> +     clk_disable_unprepare(priv->stmmac_clk);
>> >> +
>> >
>> > Hu? Why do you disable the clock? don't you need it afterwards?
>>
>> The clock is enabled in *_open (when the network interface is used),
>> and disabled in *_close.
>
> Maybe it is the real issue then.
>
> Why don't you move the clk_disable to _remove then?

I wasn't sure this was the proper way. However, looking around, it
seems other drivers enable the clock in, _probe, and disable it in
_remove. I will modify stmmac to do so as well.


ChenYu
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