Messages in this thread Patch in this message | | | From | Christian Gmeiner <> | Subject | [PATCH] PCI: dwc: do not ignore link errors | Date | Wed, 21 Jul 2021 17:23:47 +0200 |
| |
This fixes long boot delays of about 10 seconds.
I am working on a device powered by an TI am65 SoC where we have a PCIe expansion slot. If there is no PCIe device connected I see boot delays caused by pci_host_probe(..).
Signed-off-by: Christian Gmeiner <christian.gmeiner@gmail.com> --- drivers/pci/controller/dwc/pcie-designware-host.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/drivers/pci/controller/dwc/pcie-designware-host.c b/drivers/pci/controller/dwc/pcie-designware-host.c index a608ae1fad57..82ba429246f8 100644 --- a/drivers/pci/controller/dwc/pcie-designware-host.c +++ b/drivers/pci/controller/dwc/pcie-designware-host.c @@ -408,8 +408,9 @@ int dw_pcie_host_init(struct pcie_port *pp) goto err_free_msi; } - /* Ignore errors, the link may come up later */ - dw_pcie_wait_for_link(pci); + int ret = dw_pcie_wait_for_link(pci); + if (ret) + goto err_free_msi; bridge->sysdata = pp; -- 2.31.1
| |