Re: [PATCH] i2c: designware: use enable on resume instead initialization

From: Lucas De Marchi
Date: Fri Jun 12 2015 - 18:45:28 EST


Hi Mika,

On Wed, Jun 10, 2015 at 4:55 AM, Mika Westerberg
<mika.westerberg@xxxxxxxxxxxxxxx> wrote:
> On Mon, Jun 08, 2015 at 02:50:28PM -0300, lucas.de.marchi@xxxxxxxxx wrote:
>> @@ -320,7 +320,7 @@ static int dw_i2c_resume(struct device *dev)
>> clk_prepare_enable(i_dev->clk);
>>
>> if (!i_dev->pm_runtime_disabled)
>> - i2c_dw_init(i_dev);
>> + i2c_dw_enable(i_dev);
>
> This will not work if the device power gets removed (for example being
> put to D3cold) as it looses context.

Do you mean we should keep the i2c_dw_init() here?

--
Lucas De Marchi
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