diff mbox series

[v4,04/12] PCI: qcom-ep: Disable IRQs during driver remove

Message ID 20220914075350.7992-5-manivannan.sadhasivam@linaro.org
State New
Headers show
Series Improvements to the Qcom PCIe Endpoint driver | expand

Commit Message

Manivannan Sadhasivam Sept. 14, 2022, 7:53 a.m. UTC 
Disable the Global and PERST IRQs during driver remove to avoid getting
spurious IRQs after resource deallocation.

Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
---
 drivers/pci/controller/dwc/pcie-qcom-ep.c | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)
diff mbox series

Patch

diff --git a/drivers/pci/controller/dwc/pcie-qcom-ep.c b/drivers/pci/controller/dwc/pcie-qcom-ep.c
index 1e09eca5b3b2..72eb6cacdb3a 100644
--- a/drivers/pci/controller/dwc/pcie-qcom-ep.c
+++ b/drivers/pci/controller/dwc/pcie-qcom-ep.c
@@ -585,11 +585,11 @@  static int qcom_pcie_ep_enable_irq_resources(struct platform_device *pdev,
 {
 	int irq, ret;
 
-	irq = platform_get_irq_byname(pdev, "global");
-	if (irq < 0)
-		return irq;
+	pcie_ep->global_irq = platform_get_irq_byname(pdev, "global");
+	if (pcie_ep->global_irq < 0)
+		return pcie_ep->global_irq;
 
-	ret = devm_request_threaded_irq(&pdev->dev, irq, NULL,
+	ret = devm_request_threaded_irq(&pdev->dev, pcie_ep->global_irq, NULL,
 					qcom_pcie_ep_global_irq_thread,
 					IRQF_ONESHOT,
 					"global_irq", pcie_ep);
@@ -698,6 +698,9 @@  static int qcom_pcie_ep_remove(struct platform_device *pdev)
 {
 	struct qcom_pcie_ep *pcie_ep = platform_get_drvdata(pdev);
 
+	disable_irq(pcie_ep->global_irq);
+	disable_irq(pcie_ep->perst_irq);
+
 	if (pcie_ep->link_status == QCOM_PCIE_EP_LINK_DISABLED)
 		return 0;