| From | Greg Kroah-Hartman <> | Subject | [PATCH 5.12 154/242] PCI: tegra194: Fix host initialization during resume | Date | Thu, 15 Jul 2021 20:38:36 +0200 |
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From: Vidya Sagar <vidyas@nvidia.com>
commit c4bf1f25c6c187864681d5ad4dd1fa92f62d5d32 upstream.
Commit 275e88b06a27 ("PCI: tegra: Fix host link initialization") broke host initialization during resume as it misses out calling the API dw_pcie_setup_rc() which is required for host and MSI initialization.
Link: https://lore.kernel.org/r/20210504172157.29712-1-vidyas@nvidia.com Fixes: 275e88b06a27 ("PCI: tegra: Fix host link initialization") Tested-by: Jon Hunter <jonathanh@nvidia.com> Signed-off-by: Vidya Sagar <vidyas@nvidia.com> Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
--- drivers/pci/controller/dwc/pcie-tegra194.c | 2 ++ 1 file changed, 2 insertions(+)
--- a/drivers/pci/controller/dwc/pcie-tegra194.c +++ b/drivers/pci/controller/dwc/pcie-tegra194.c @@ -2214,6 +2214,8 @@ static int tegra_pcie_dw_resume_noirq(st goto fail_host_init; } + dw_pcie_setup_rc(&pcie->pci.pp); + ret = tegra_pcie_dw_start_link(&pcie->pci); if (ret < 0) goto fail_host_init;
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