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pinctrl: qcom: Add affinity callbacks to msmgpio IRQ chip

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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.

Change-Id: Ic0892d583b567c7d6a2c7ab7fa9d75502c3f3a7a
Signed-off-by: Venkata Narendra Kumar Gutta <vnkgutta@codeaurora.org>
Signed-off-by: Maulik Shah <mkshah@codeaurora.org>
This commit is contained in:
Venkata Narendra Kumar Gutta 2019-09-19 19:55:44 -07:00 • committed by Gerrit - the friendly Code Review server
commit 7b7edbd114
1 changed files with 25 additions and 0 deletions
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25
drivers/pinctrl/qcom/pinctrl-msm.c
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@ -998,6 +998,29 @@ static int msm_gpio_irq_set_wake(struct irq_data *d, unsigned int on)
return 0;
}
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);
@ -1094,6 +1117,8 @@ static int msm_gpio_init(struct msm_pinctrl *pctrl)
pctrl->irq_chip.irq_eoi = irq_chip_eoi_parent;
pctrl->irq_chip.irq_set_type = msm_gpio_irq_set_type;
pctrl->irq_chip.irq_set_wake = msm_gpio_irq_set_wake;
pctrl->irq_chip.irq_set_affinity = msm_gpio_irq_set_affinity;
pctrl->irq_chip.irq_set_vcpu_affinity = msm_gpio_irq_set_vcpu_affinity;
dn = of_parse_phandle(pctrl->dev->of_node, "wakeup-parent", 0);
if (dn) {