On Wed, Aug 28, 2019 at 10:58:47PM +0530, Vidya Sagar wrote:
> Add support to configure sideband signal pins when information is present
> in respective controller's device-tree node.
>
> Signed-off-by: Vidya Sagar <vid...@nvidia.com>
Reviewed-by: Andrew Murray <andrew.mur...@arm.com>
> ---
> V3:
> * Used 'dev' instead of 'pcie->dev'
>
> V2:
> * Addressed review comment from Andrew Murray
> * Handled failure case of pinctrl_pm_select_default_state() cleanly
>
> drivers/pci/controller/dwc/pcie-tegra194.c | 11 +++++++++--
> 1 file changed, 9 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/pci/controller/dwc/pcie-tegra194.c
> b/drivers/pci/controller/dwc/pcie-tegra194.c
> index fc0dbeb31d78..77fa6f70bc96 100644
> --- a/drivers/pci/controller/dwc/pcie-tegra194.c
> +++ b/drivers/pci/controller/dwc/pcie-tegra194.c
> @@ -1304,8 +1304,13 @@ static int tegra_pcie_config_rp(struct tegra_pcie_dw
> *pcie)
> if (ret < 0) {
> dev_err(dev, "Failed to get runtime sync for PCIe dev: %d\n",
> ret);
> - pm_runtime_disable(dev);
> - return ret;
> + goto fail_pm_get_sync;
> + }
> +
> + ret = pinctrl_pm_select_default_state(dev);
> + if (ret < 0) {
> + dev_err(dev, "Failed to configure sideband pins: %d\n", ret);
> + goto fail_pinctrl;
> }
>
> tegra_pcie_init_controller(pcie);
> @@ -1332,7 +1337,9 @@ static int tegra_pcie_config_rp(struct tegra_pcie_dw
> *pcie)
>
> fail_host_init:
> tegra_pcie_deinit_controller(pcie);
> +fail_pinctrl:
> pm_runtime_put_sync(dev);
> +fail_pm_get_sync:
> pm_runtime_disable(dev);
> return ret;
> }
> --
> 2.17.1
>
