Re: [PATCH] can: m_can: set out-of-band wakeup if wakeup pinctrl exists

From: Markus Schneider-Pargmann

Date: Wed Feb 18 2026 - 05:57:20 EST


Hi Marc,

On Tue Feb 17, 2026 at 10:08 PM CET, Marc Kleine-Budde wrote:
> On 13.02.2026 12:08:19, Kendall Willis wrote:
>> In TI AM62X, AM62A, and AM62P SoCs, the m_can pins can act as a wakeup
>> source in the deepest low power states. However, the m_can pins are a part
>> of the MCU domain which is OFF in deeper low power states. Since the m_can
>> pins continue to be ON even if the MCU domain is turned off, set
>> out-of-band wakeup for CAN device if `wakeup` pinctrl state exists and
>> device may wakeup.
>>
>> Signed-off-by: Kendall Willis <k-willis@xxxxxx>
>
> @Markus, can you review the patch?
>
> To both of you: Do we need a fixes tag?

I don't think so. device_out_band_wakeup() was introduced after the
wakeup pinctrl was added to this driver. So I don't think this qualifies
as a fix.

4acbfb6c116b ("PM: wakeup: Add out-of-band system wakeup support for devices")

Best
Markus

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