Re: [PATCH V2 2/2] tty: serial: imx: add pinctrl sleep/default mode switch for suspend

From: Uwe Kleine-König
Date: Wed Sep 05 2018 - 01:55:21 EST


On Wed, Sep 05, 2018 at 09:24:27AM +0800, Anson Huang wrote:
> On some i.MX SoCs' low power mode, such as i.MX7D's LPSR(low power
> state retention), UART iomux settings will be lost, need to add
> pinctrl sleep/default mode switch during suspend/resume to make
> sure UART iomux settings are correct after resume.
>
> Signed-off-by: Anson Huang <Anson.Huang@xxxxxxx>

Acked-by: Uwe Kleine-König <u.kleine-koenig@xxxxxxxxxxxxxx>

Best regards
Uwe
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