[PATCH v3 2/2] PCI: imx6: Align EP link start behavior with documentation
Richard Zhu
hongxing.zhu at nxp.com
Mon Jun 16 01:57:42 PDT 2025
According to PCI/endpoint/pci-endpoint-cfs.rst, the endpoint (EP) should
only link up after `echo 1 > start` is executed.
To match the documented behavior, do not start the link automatically
when adding the EP controller.
Signed-off-by: Richard Zhu <hongxing.zhu at nxp.com>
Reviewed-by: Frank Li <Frank.Li at nxp.com>
---
drivers/pci/controller/dwc/pci-imx6.c | 3 ---
1 file changed, 3 deletions(-)
diff --git a/drivers/pci/controller/dwc/pci-imx6.c b/drivers/pci/controller/dwc/pci-imx6.c
index f5f2ac638f4b..fda03512944d 100644
--- a/drivers/pci/controller/dwc/pci-imx6.c
+++ b/drivers/pci/controller/dwc/pci-imx6.c
@@ -1468,9 +1468,6 @@ static int imx_add_pcie_ep(struct imx_pcie *imx_pcie,
pci_epc_init_notify(ep->epc);
- /* Start LTSSM. */
- imx_pcie_ltssm_enable(dev);
-
return 0;
}
--
2.37.1
More information about the linux-arm-kernel
mailing list