From e05fd6ae77c3e2cc0dba283005d24b6d56d2b1fa Mon Sep 17 00:00:00 2001
From: Vidya Sagar <vidyas@nvidia.com>
Date: Thu, 21 Jul 2022 19:50:50 +0530
Subject: [PATCH] PCI: tegra194: Fix link up retry sequence
Git-commit: e05fd6ae77c3e2cc0dba283005d24b6d56d2b1fa
Patch-mainline: v6.0-rc1
References: git-fixes

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>
Acked-by: Takashi Iwai <tiwai@suse.de>

---
 drivers/pci/controller/dwc/pcie-tegra194.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/pci/controller/dwc/pcie-tegra194.c
+++ b/drivers/pci/controller/dwc/pcie-tegra194.c
@@ -971,7 +971,7 @@ static int tegra_pcie_dw_host_init(struc
 		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);