Re: [PATCH v2] pinctrl: qcom: Unconditionally mark gpio as wakeup enable

[Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>]

On 4/30/26 11:20 AM, Sneh Mankad wrote:
> The wakeup enable bit needs to be set irrespective of the SoC using PDC or
> MPM as wakeup capable irqchip to allow the GPIO interrupts to be forwarded
> to parent irqchip.
> 
> This is set only for PDC irqchip using additional check skip_wake_irqs
> making it impossible for MPM irqchip to detect the GPIO interrupt during
> SoC low power mode since for MPM irqchip the skip_wake_irqs is always
> false.
> 
> Remove skip_wake_irqs condition when setting wakeup enable bit to allow
> forwarding GPIO interrupts for SoCs using MPM irqchip too.
> 
> Fixes: 76b446f5b86e ("pinctrl: qcom: handle intr_target_reg wakeup_present/enable bits")
> Signed-off-by: Sneh Mankad <sneh.mankad@oss.qualcomm.com>
> Reviewed-by: Maulik Shah <maulik.shah@oss.qualcomm.com>
> ---
> Changes in v2:
> - Modified comment to specify MPM HW as well.

$ b4 diff 20260430-enable_wakeup_capable_gpios-v2-1-8c26ac795318@oss.qualcomm.com

[...]


      ## drivers/pinctrl/qcom/pinctrl-msm.c ##
     @@ drivers/pinctrl/qcom/pinctrl-msm.c: static int msm_gpio_irq_reqres(struct irq_data *d)
    +   /*
    +    * If the wakeup_enable bit is present and marked as available for the
    +    * requested GPIO, it should be enabled when the GPIO is marked as
    +-   * wake irq in order to allow the interrupt event to be transfered to
    +-   * the PDC HW.
    ++   * wake irq in order to allow the interrupt event to be transferred to
    ++   * the PDC/MPM HW.
         * While the name implies only the wakeup event, it's also required for
         * the interrupt event.
         */

This is not what I asked for.

Instead, please focus on explaining what skip_wake_irqs is, perhaps under
what conditions it is set, and how that differs for PDC vs MPM

Konrad