From: Vidya Sagar Date: Thu, 21 Jul 2022 14:20:50 +0000 (+0530) Subject: PCI: tegra194: Fix link up retry sequence X-Git-Tag: baikal/mips/sdk6.1~5130^2~5^2~2 X-Git-Url: https://git.baikalelectronics.ru/sdk/?a=commitdiff_plain;h=441020f4c73057b94bcc31b61d77fc7576a78f9c;p=kernel.git PCI: tegra194: Fix link up retry sequence 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: 5e6510231597 ("PCI: tegra: Add Tegra194 PCIe support") Signed-off-by: Vidya Sagar Signed-off-by: Bjorn Helgaas --- diff --git a/drivers/pci/controller/dwc/pcie-tegra194.c b/drivers/pci/controller/dwc/pcie-tegra194.c index 39f7ae61fdc66..bac2e1ad0a290 100644 --- a/drivers/pci/controller/dwc/pcie-tegra194.c +++ b/drivers/pci/controller/dwc/pcie-tegra194.c @@ -967,7 +967,7 @@ 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);