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| author |   Miaoqian Lin <linmq006@gmail.com> | 2022-06-02 07:19:08 +0400 |
|---|---|---|
| committer |   Bjorn Helgaas <bhelgaas@google.com> | 2022-06-08 16:17:21 -0500 |
| commit | e8fbd344a5ea62663554b8546b6bf9f88b93785a (patch) | |
| tree | bbebb917dd43abf72fd3465a88536848282dd544 /drivers/pci/controller/dwc | |
| parent | Linux 5.19-rc1 (diff) | |
| download | wireguard-linux-e8fbd344a5ea62663554b8546b6bf9f88b93785a.tar.xz wireguard-linux-e8fbd344a5ea62663554b8546b6bf9f88b93785a.zip | |
PCI: tegra194: Fix PM error handling in tegra_pcie_config_ep()
pm_runtime_enable() will increase power disable depth. If
dw_pcie_ep_init() fails, we should use pm_runtime_disable() to balance it
with pm_runtime_enable().
Add missing pm_runtime_disable() for tegra_pcie_config_ep().
Fixes: c57247f940e8 ("PCI: tegra: Add support for PCIe endpoint mode in Tegra194")
Link: https://lore.kernel.org/r/20220602031910.55859-1-linmq006@gmail.com
Signed-off-by: Miaoqian Lin <linmq006@gmail.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Vidya Sagar <vidyas@nvidia.com>
Diffstat (limited to 'drivers/pci/controller/dwc')
| -rw-r--r-- | drivers/pci/controller/dwc/pcie-tegra194.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/pci/controller/dwc/pcie-tegra194.c b/drivers/pci/controller/dwc/pcie-tegra194.c index cc2678490162..d992371a36e6 100644 --- a/drivers/pci/controller/dwc/pcie-tegra194.c +++ b/drivers/pci/controller/dwc/pcie-tegra194.c @@ -1949,6 +1949,7 @@ static int tegra_pcie_config_ep(struct tegra194_pcie *pcie, if (ret) { dev_err(dev, "Failed to initialize DWC Endpoint subsystem: %d\n", ret); + pm_runtime_disable(dev); return ret; } |