This is a note to let you know that I've just added the patch titled PCI: tegra194: Fix link up retry sequence to the 5.4-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: pci-tegra194-fix-link-up-retry-sequence.patch and it can be found in the queue-5.4 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. commit 984f9f8a534ca723f47a6f0fc1ae6bc3a38e4336 Author: Vidya Sagar <vidyas@xxxxxxxxxx> Date: Thu Jul 21 19:50:50 2022 +0530 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@xxxxxxxxxx Fixes: 56e15a238d92 ("PCI: tegra: Add Tegra194 PCIe support") Signed-off-by: Vidya Sagar <vidyas@xxxxxxxxxx> Signed-off-by: Bjorn Helgaas <bhelgaas@xxxxxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> diff --git a/drivers/pci/controller/dwc/pcie-tegra194.c b/drivers/pci/controller/dwc/pcie-tegra194.c index c7ac61a6080b..120d64c1a27f 100644 --- a/drivers/pci/controller/dwc/pcie-tegra194.c +++ b/drivers/pci/controller/dwc/pcie-tegra194.c @@ -854,7 +854,7 @@ static int tegra_pcie_dw_host_init(struct pcie_port *pp) 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_prepare_host(pp);