linux-kernel - [PATCH v1] pci: tegra: fix afi_pex2

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Date:   Mon, 30 Dec 2019 01:52:09 +0100
From:   Marcel Ziswiler <marcel@...wiler.com>
To:     linux-tegra@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     Manikanta Maddireddy <mmaddireddy@...dia.com>,
        Thierry Reding <treding@...dia.com>,
        Marcel Ziswiler <marcel@...wiler.com>,
        Andrew Murray <andrew.murray@....com>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        Jonathan Hunter <jonathanh@...dia.com>,
        Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
        Thierry Reding <thierry.reding@...il.com>,
        linux-pci@...r.kernel.org
Subject: [PATCH v1] pci: tegra: fix afi_pex2_ctrl reg offset for tegra30

Fix AFI_PEX2_CTRL reg offset for tegra30 by moving it from the tegra20
SoC struct where it erroneously got added by commit adb2653b3d2e
("PCI: tegra: Add AFI_PEX2_CTRL reg offset as part of SoC struct").
This fixes the AFI_PEX2_CTRL reg offset being uninitialised
subsequently failing to bring up the third PCIe port.

Signed-off-by: Marcel Ziswiler <marcel@...wiler.com>

---

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

diff --git a/drivers/pci/controller/pci-tegra.c b/drivers/pci/controller/pci-tegra.c
index 090b632965e2..ac93f5a0398e 100644
--- a/drivers/pci/controller/pci-tegra.c
+++ b/drivers/pci/controller/pci-tegra.c
@@ -2499,7 +2499,6 @@ static const struct tegra_pcie_soc tegra20_pcie = {
 	.num_ports = 2,
 	.ports = tegra20_pcie_ports,
 	.msi_base_shift = 0,
-	.afi_pex2_ctrl = 0x128,
 	.pads_pll_ctl = PADS_PLL_CTL_TEGRA20,
 	.tx_ref_sel = PADS_PLL_CTL_TXCLKREF_DIV10,
 	.pads_refclk_cfg0 = 0xfa5cfa5c,
@@ -2528,6 +2527,7 @@ static const struct tegra_pcie_soc tegra30_pcie = {
 	.num_ports = 3,
 	.ports = tegra30_pcie_ports,
 	.msi_base_shift = 8,
+	.afi_pex2_ctrl = 0x128,
 	.pads_pll_ctl = PADS_PLL_CTL_TEGRA30,
 	.tx_ref_sel = PADS_PLL_CTL_TXCLKREF_BUF_EN,
 	.pads_refclk_cfg0 = 0xfa5cfa5c,
-- 
2.24.1