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| author | Vidya Sagar <vidyas@nvidia.com> | 2022-07-21 17:20:50 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2022-08-17 15:23:57 +0300 |
| commit | 0d265155501ed03e236759bd4750fae03dc13ddc (patch) | |
| tree | f29f9e2c6c2252008cbb7230f7cf3211841efbda | |
| parent | 472db7de9ff5fb7f464801ed7df18a54bcd9a4b8 (diff) | |
| download | linux-0d265155501ed03e236759bd4750fae03dc13ddc.tar.xz | |
PCI: tegra194: Fix link up retry sequence
[ Upstream commit e05fd6ae77c3e2cc0dba283005d24b6d56d2b1fa ]
Add the missing DLF capability offset while clearing DL_FEATURE_EXCHANGE_EN
bit during link up retry.
Link: https://lore.kernel.org/r/20220721142052.25971-15-vidyas@nvidia.com
Fixes: 56e15a238d92 ("PCI: tegra: Add Tegra194 PCIe support")
Signed-off-by: Vidya Sagar <vidyas@nvidia.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
| -rw-r--r-- | drivers/pci/controller/dwc/pcie-tegra194.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/pci/controller/dwc/pcie-tegra194.c b/drivers/pci/controller/dwc/pcie-tegra194.c index ba9f29d6bca1..bdd84765e646 100644 --- a/drivers/pci/controller/dwc/pcie-tegra194.c +++ b/drivers/pci/controller/dwc/pcie-tegra194.c @@ -978,7 +978,7 @@ retry_link: offset = dw_pcie_find_ext_capability(pci, PCI_EXT_CAP_ID_DLF); val = dw_pcie_readl_dbi(pci, offset + PCI_DLF_CAP); val &= ~PCI_DLF_EXCHANGE_ENABLE; - dw_pcie_writel_dbi(pci, offset, val); + dw_pcie_writel_dbi(pci, offset + PCI_DLF_CAP, val); tegra_pcie_dw_host_init(pp); dw_pcie_setup_rc(pp); |