[PATCH v6 3/3] pmdomain: ti_sci: handle wake IRQs for IO daisy chain wakeups

[Dhruva Gole]

On Dec 06, 2024 at 14:12:52 -0800, Kevin Hilman wrote:
> When a device supports IO daisy-chain wakeups, it uses a dedicated
> wake IRQ.  Devices with IO daisy-chain wakeups enabled should not set
> wakeup constraints since these can happen even from deep power states,
> so should not prevent the DM from picking deep power states.
> 
> Wake IRQs are set with dev_pm_set_wake_irq() or
> dev_pm_set_dedicated_wake_irq().  The latter is used by the serial
> driver used on K3 platforms (drivers/tty/serial/8250/8250_omap.c)
> when the interrupts-extended property is used to describe the
> dedicated wakeup interrupt.
> 
> Detect these wake IRQs in the suspend path, and if set, skip sending
> constraint.
> 
> Tested-by: Dhruva Gole <d-gole at ti.com>
> Signed-off-by: Kevin Hilman <khilman at baylibre.com>
> ---

Reviewed-by: Dhruva Gole <d-gole at ti.com>


-- 
Best regards,
Dhruva Gole
Texas Instruments Incorporated