Merge "msm: ep_pcie: Change perst irq from edge to level" (04383875) · Commits · e / devices / android_kernel_xiaomi_nabu

drivers/platform/msm/ep_pcie/ep_pcie_core.c

+12 −1

Original line number	Diff line number	Diff line
		@@ -2299,6 +2299,10 @@ static irqreturn_t ep_pcie_handle_perst_irq(int irq, void *data)
		}

		out:
		/* Set trigger type based on the next expected value of perst gpio */
		irq_set_irq_type(gpio_to_irq(dev->gpio[EP_PCIE_GPIO_PERST].num),
		(perst ? IRQF_TRIGGER_LOW : IRQF_TRIGGER_HIGH));

		spin_unlock_irqrestore(&dev->isr_lock, irqsave_flags);

		return IRQ_HANDLED;
		@@ -2523,11 +2527,18 @@ int32_t ep_pcie_irq_init(struct ep_pcie_dev_t *dev)
		}

		perst_irq:
		/*
		* Check initial state of perst gpio to set the trigger type
		* based on the next expected level of the gpio
		*/
		if (gpio_get_value(dev->gpio[EP_PCIE_GPIO_PERST].num) == 1)
		dev->perst_deast = true;

		/* register handler for PERST interrupt */
		perst_irq = gpio_to_irq(dev->gpio[EP_PCIE_GPIO_PERST].num);
		ret = devm_request_irq(pdev, perst_irq,
		ep_pcie_handle_perst_irq,
		IRQF_TRIGGER_FALLING \| IRQF_TRIGGER_RISING,
		(dev->perst_deast ? IRQF_TRIGGER_LOW : IRQF_TRIGGER_HIGH),
		"ep_pcie_perst", dev);
		if (ret) {
		EP_PCIE_ERR(dev,