On Thu, Sep 22, 2016 at 2:03 AM, Nilesh Bacchewar <[email protected]> wrote: > On some Intel BXT platform, wake-up from suspend-to-idle on pressing > power-button is not working. Its noticed that gpio-keys driver marking the > second level IRQ/power-button as wake capable but Intel pintctrl > driver is missing to mark GPIO chip/controller IRQ which first level IRQ > as wake cable if its GPIO pin IRQ is wakeble. So, though the first level > IRQ gets generated on power-button press, since it is not marked as > wake capable resume/wake-up flow is not happening. > Intel pintctrl/GPIO driver need to mark GPIO chip/controller IRQ (first > level IRQ) as wake capable iff GPIO pin's IRQ (second level IRQ) is marked > as wake cable.
> if (on) > - gpe_en |= BIT(gpp_offset); > + enable_irq_wake(pctrl->irq); > else > - gpe_en &= ~BIT(gpp_offset); > - writel(gpe_en, community->regs + GPI_GPE_EN + gpp * 4); > - > - raw_spin_unlock_irqrestore(&pctrl->lock, flags); > + disable_irq_wake(pctrl->irq); Shouldn't be refcounting here or I missed something? What I think of is 2+ GPIO lines marked as wake capable IRQ sources and one of them is disabled earlier by some reason. -- With Best Regards, Andy Shevchenko
