diff mbox series

[v5,7/9] PCI: qcom-ep: Add support for Link down notification

Message ID 20230601145718.12204-8-manivannan.sadhasivam@linaro.org (mailing list archive)
State Superseded
Headers show
Series Add support for MHI Endpoint function driver | expand

Commit Message

Manivannan Sadhasivam June 1, 2023, 2:57 p.m. UTC 
Add support to pass Link down notification to Endpoint function driver
so that the LINK_DOWN event can be processed by the function.

Reviewed-by: Kishon Vijay Abraham I <kishon@kernel.org>
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
---
 drivers/pci/controller/dwc/pcie-qcom-ep.c | 1 +
 1 file changed, 1 insertion(+)

Comments

Damien Le Moal June 1, 2023, 11:22 p.m. UTC | #1 
On 6/1/23 23:57, Manivannan Sadhasivam wrote:
> Add support to pass Link down notification to Endpoint function driver
> so that the LINK_DOWN event can be processed by the function.
> 
> Reviewed-by: Kishon Vijay Abraham I <kishon@kernel.org>
> Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>

Looks good.

Reviewed-by: Damien Le Moal <dlemoal@kernel.org>
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 19b32839ea26..4ce01ff7527c 100644
--- a/drivers/pci/controller/dwc/pcie-qcom-ep.c
+++ b/drivers/pci/controller/dwc/pcie-qcom-ep.c
@@ -569,6 +569,7 @@  static irqreturn_t qcom_pcie_ep_global_irq_thread(int irq, void *data)
 	if (FIELD_GET(PARF_INT_ALL_LINK_DOWN, status)) {
 		dev_dbg(dev, "Received Linkdown event\n");
 		pcie_ep->link_status = QCOM_PCIE_EP_LINK_DOWN;
+		pci_epc_linkdown(pci->ep.epc);
 	} else if (FIELD_GET(PARF_INT_ALL_BME, status)) {
 		dev_dbg(dev, "Received BME event. Link is enabled!\n");
 		pcie_ep->link_status = QCOM_PCIE_EP_LINK_ENABLED;