Re: [PATCHv3 18/27] PCI: mobiveil: continue to initialize the host upon no PCIe link

From: Subrahmanya Lingappa
Date: Fri Feb 08 2019 - 07:39:13 EST


On Tue, Jan 29, 2019 at 1:40 PM Z.q. Hou <zhiqiang.hou@xxxxxxx> wrote:
>
> From: Hou Zhiqiang <Zhiqiang.Hou@xxxxxxx>
>
> Sometimes there is not a PCIe Endpoint in the PCIe slot, so do
> not exit when the PCIe link is not up. And degrade the print
> level of link up info.
>
> Signed-off-by: Hou Zhiqiang <Zhiqiang.Hou@xxxxxxx>
> Reviewed-by: Minghuan Lian <Minghuan.Lian@xxxxxxx>
> ---
> V3:
> - No change
>
> drivers/pci/controller/mobiveil/pcie-mobiveil-host.c | 1 -
> drivers/pci/controller/mobiveil/pcie-mobiveil.c | 2 +-
> 2 files changed, 1 insertion(+), 2 deletions(-)
>
> diff --git a/drivers/pci/controller/mobiveil/pcie-mobiveil-host.c b/drivers/pci/controller/mobiveil/pcie-mobiveil-host.c
> index 1ae82e790562..d1765d572f44 100644
> --- a/drivers/pci/controller/mobiveil/pcie-mobiveil-host.c
> +++ b/drivers/pci/controller/mobiveil/pcie-mobiveil-host.c
> @@ -596,7 +596,6 @@ int mobiveil_pcie_host_probe(struct mobiveil_pcie *pcie)
> ret = mobiveil_bringup_link(pcie);
> if (ret) {
> dev_info(dev, "link bring-up failed\n");
> - goto error;
> }
>
> /* setup the kernel resources for the newly added PCIe root bus */
> diff --git a/drivers/pci/controller/mobiveil/pcie-mobiveil.c b/drivers/pci/controller/mobiveil/pcie-mobiveil.c
> index ee678a60825d..370658d6546d 100644
> --- a/drivers/pci/controller/mobiveil/pcie-mobiveil.c
> +++ b/drivers/pci/controller/mobiveil/pcie-mobiveil.c
> @@ -222,7 +222,7 @@ int mobiveil_bringup_link(struct mobiveil_pcie *pcie)
> usleep_range(LINK_WAIT_MIN, LINK_WAIT_MAX);
> }
>
> - dev_err(&pcie->pdev->dev, "link never came up\n");
> + dev_info(&pcie->pdev->dev, "link never came up\n");
>
> return -ETIMEDOUT;
> }
> --
> 2.17.1
>
Reviewed-by: Subrahmanya Lingappa <l.subrahmanya@xxxxxxxxxxxxxx>