| Message ID | 20201109171937.28326-6-vidyas@nvidia.com |
|---|---|
| State | Deferred |
| Headers | show |
| Series | Enhancements to Tegra194 PCIe driver | expand |
On Mon, Nov 09, 2020 at 10:49:36PM +0530, Vidya Sagar wrote: > The return value of tegra_pcie_init_controller() must be checked before > PCIe link up check and registering debugfs entries subsequently as it > doesn't make sense to do these when the controller initialization itself > has failed. > > Signed-off-by: Vidya Sagar <vidyas@nvidia.com> > --- > V4: > * None > > V3: > * New patch in this series > > drivers/pci/controller/dwc/pcie-tegra194.c | 6 +++++- > 1 file changed, 5 insertions(+), 1 deletion(-) Tested-by: Thierry Reding <treding@nvidia.com> Acked-by: Thierry Reding <treding@nvidia.com>
diff --git a/drivers/pci/controller/dwc/pcie-tegra194.c b/drivers/pci/controller/dwc/pcie-tegra194.c index 9be10c8953df..8c08998b9ce1 100644 --- a/drivers/pci/controller/dwc/pcie-tegra194.c +++ b/drivers/pci/controller/dwc/pcie-tegra194.c @@ -1579,7 +1579,11 @@ static int tegra_pcie_config_rp(struct tegra_pcie_dw *pcie) goto fail_pm_get_sync; } - tegra_pcie_init_controller(pcie); + ret = tegra_pcie_init_controller(pcie); + if (ret < 0) { + dev_err(dev, "Failed to initialize controller: %d\n", ret); + goto fail_pm_get_sync; + } pcie->link_state = tegra_pcie_dw_link_up(&pcie->pci); if (!pcie->link_state) {
The return value of tegra_pcie_init_controller() must be checked before PCIe link up check and registering debugfs entries subsequently as it doesn't make sense to do these when the controller initialization itself has failed. Signed-off-by: Vidya Sagar <vidyas@nvidia.com> --- V4: * None V3: * New patch in this series drivers/pci/controller/dwc/pcie-tegra194.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-)