PCI: tegra194: Fix PM error handling in tegra_pcie_config_ep()

stable inclusion
from stable-v5.10.137
commit cdf92a0aee97b6e8c92db99ae4cdf250dffe6692
category: bugfix
bugzilla: https://gitee.com/openeuler/kernel/issues/I60PLB

Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=cdf92a0aee97b6e8c92db99ae4cdf250dffe6692

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[ Upstream commit e8fbd344 ]

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: c57247f9 ("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>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Signed-off-by: Zheng Zengkai <zhengzengkai@huawei.com>
Reviewed-by: Wei Li <liwei391@huawei.com>