On Mon, Apr 08, 2024 at 03:00:53PM +0530, Vidya Sagar wrote:
> Tegra194 PCIe probe path is taking failure path in success case for
> Endpoint mode. Return success from the switch case instead of going
> into the failure path.
>
> Fixes: c57247f940e8 ("PCI: tegra: Add support for PCIe endpoint mode in Tegra194")
> Signed-off-by: Vidya Sagar <vidyas@xxxxxxxxxx>
> Reviewed-by: Jon Hunter <jonathanh@xxxxxxxxxx>
> ---
> v2:
> * Added 'Fixes' and 'Reviewed-by' from Jon Hunter
>
> drivers/pci/controller/dwc/pcie-tegra194.c | 3 +++
> 1 file changed, 3 insertions(+)
>
> diff --git a/drivers/pci/controller/dwc/pcie-tegra194.c b/drivers/pci/controller/dwc/pcie-tegra194.c
> index 4bba31502ce1..1a8178dc899a 100644
> --- a/drivers/pci/controller/dwc/pcie-tegra194.c
> +++ b/drivers/pci/controller/dwc/pcie-tegra194.c
> @@ -2273,11 +2273,14 @@ static int tegra_pcie_dw_probe(struct platform_device *pdev)
> ret = tegra_pcie_config_ep(pcie, pdev);
> if (ret < 0)
> goto fail;
> + else
> + return 0;
Wow, how did you ever notice this? It looks like this path would
previously have returned "ret" (which was most likely 0 for success)
but with an extra tegra_bpmp_put() that we shouldn't have done.
Eagle eyes!
> break;
>
> default:
> dev_err(dev, "Invalid PCIe device type %d\n",
> pcie->of_data->mode);
> + ret = -EINVAL;
> }
>
> fail:
> --
> 2.25.1
>
