On Thu 30 Apr 23:30 PDT 2020, Maulik Shah wrote: > From: Venkata Narendra Kumar Gutta <[email protected]> > > Wakeup capable GPIO IRQs routed via PDC are not being migrated when a CPU > is hotplugged. Add affinity callbacks to msmgpio IRQ chip to update the > affinity of wakeup capable IRQs. > > Fixes: e35a6ae0eb3a ("pinctrl/msm: Setup GPIO chip in hierarchy") > Signed-off-by: Venkata Narendra Kumar Gutta <[email protected]> > [mkshah: updated commit text and minor code fixes] > Signed-off-by: Maulik Shah <[email protected]>
Reviewed-by: Bjorn Andersson <[email protected]> Regards, Bjorn > --- > drivers/pinctrl/qcom/pinctrl-msm.c | 25 +++++++++++++++++++++++++ > 1 file changed, 25 insertions(+) > > diff --git a/drivers/pinctrl/qcom/pinctrl-msm.c > b/drivers/pinctrl/qcom/pinctrl-msm.c > index 29259fe..83b7d64 100644 > --- a/drivers/pinctrl/qcom/pinctrl-msm.c > +++ b/drivers/pinctrl/qcom/pinctrl-msm.c > @@ -1033,6 +1033,29 @@ static void msm_gpio_irq_relres(struct irq_data *d) > module_put(gc->owner); > } > > +static int msm_gpio_irq_set_affinity(struct irq_data *d, > + const struct cpumask *dest, bool force) > +{ > + struct gpio_chip *gc = irq_data_get_irq_chip_data(d); > + struct msm_pinctrl *pctrl = gpiochip_get_data(gc); > + > + if (d->parent_data && test_bit(d->hwirq, pctrl->skip_wake_irqs)) > + return irq_chip_set_affinity_parent(d, dest, force); > + > + return 0; > +} > + > +static int msm_gpio_irq_set_vcpu_affinity(struct irq_data *d, void > *vcpu_info) > +{ > + struct gpio_chip *gc = irq_data_get_irq_chip_data(d); > + struct msm_pinctrl *pctrl = gpiochip_get_data(gc); > + > + if (d->parent_data && test_bit(d->hwirq, pctrl->skip_wake_irqs)) > + return irq_chip_set_vcpu_affinity_parent(d, vcpu_info); > + > + return 0; > +} > + > static void msm_gpio_irq_handler(struct irq_desc *desc) > { > struct gpio_chip *gc = irq_desc_get_handler_data(desc); > @@ -1131,6 +1154,8 @@ static int msm_gpio_init(struct msm_pinctrl *pctrl) > pctrl->irq_chip.irq_set_wake = msm_gpio_irq_set_wake; > pctrl->irq_chip.irq_request_resources = msm_gpio_irq_reqres; > pctrl->irq_chip.irq_release_resources = msm_gpio_irq_relres; > + pctrl->irq_chip.irq_set_affinity = msm_gpio_irq_set_affinity; > + pctrl->irq_chip.irq_set_vcpu_affinity = msm_gpio_irq_set_vcpu_affinity; > > np = of_parse_phandle(pctrl->dev->of_node, "wakeup-parent", 0); > if (np) { > -- > QUALCOMM INDIA, on behalf of Qualcomm Innovation Center, Inc. is a member > of Code Aurora Forum, hosted by The Linux Foundation
