Commit dca4f407 authored by Venkata Narendra Kumar Gutta's avatar Venkata Narendra Kumar Gutta Committed by Linus Walleij
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pinctrl: qcom: Add affinity callbacks to msmgpio IRQ chip 



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: e35a6ae0 ("pinctrl/msm: Setup GPIO chip in hierarchy")
Signed-off-by: default avatarVenkata Narendra Kumar Gutta <vnkgutta@codeaurora.org>
[mkshah: updated commit text and minor code fixes]
Signed-off-by: default avatarMaulik Shah <mkshah@codeaurora.org>
Tested-by: default avatarDouglas Anderson <dianders@chromium.org>
Reviewed-by: default avatarStephen Boyd <swboyd@chromium.org>
Link: https://lore.kernel.org/r/1588314617-4556-1-git-send-email-mkshah@codeaurora.org


Signed-off-by: default avatarLinus Walleij <linus.walleij@linaro.org>
parent 9cd34729

drivers/pinctrl/qcom/pinctrl-msm.c

+25 −0
Original line number Original line Diff line number Diff line
@@ -1034,6 +1034,29 @@ static void msm_gpio_irq_relres(struct irq_data *d) 
	module_put(gc->owner);

	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)

static void msm_gpio_irq_handler(struct irq_desc *desc)

{

{

	struct gpio_chip *gc = irq_desc_get_handler_data(desc);

	struct gpio_chip *gc = irq_desc_get_handler_data(desc);
@@ -1132,6 +1155,8 @@ static int msm_gpio_init(struct msm_pinctrl *pctrl) 
	pctrl->irq_chip.irq_set_wake = msm_gpio_irq_set_wake;

	pctrl->irq_chip.irq_set_wake = msm_gpio_irq_set_wake;

	pctrl->irq_chip.irq_request_resources = msm_gpio_irq_reqres;

	pctrl->irq_chip.irq_request_resources = msm_gpio_irq_reqres;

	pctrl->irq_chip.irq_release_resources = msm_gpio_irq_relres;

	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);

	np = of_parse_phandle(pctrl->dev->of_node, "wakeup-parent", 0);

	if (np) {

	if (np) {

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