linux-kernel - [PATCH 5.4 17/96] PCI: tegra: Fix afi_pex2

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Message-Id: <20200213151846.153218983@linuxfoundation.org>
Date:   Thu, 13 Feb 2020 07:20:24 -0800
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Marcel Ziswiler <marcel@...wiler.com>,
        Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
        Andrew Murray <andrew.murray@....com>,
        Thierry Reding <treding@...dia.com>
Subject: [PATCH 5.4 17/96] PCI: tegra: Fix afi_pex2_ctrl reg offset for Tegra30

From: Marcel Ziswiler <marcel@...wiler.com>

commit 21a92676e1fe292acb077b13106b08c22ed36b14 upstream.

Fix AFI_PEX2_CTRL reg offset for Tegra30 by moving it from the Tegra20
SoC struct where it erroneously got added. This fixes the AFI_PEX2_CTRL
reg offset being uninitialised subsequently failing to bring up the
third PCIe port.

Fixes: adb2653b3d2e ("PCI: tegra: Add AFI_PEX2_CTRL reg offset as part of SoC struct")
Signed-off-by: Marcel Ziswiler <marcel@...wiler.com>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@....com>
Reviewed-by: Andrew Murray <andrew.murray@....com>
Acked-by: Thierry Reding <treding@...dia.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

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

--- a/drivers/pci/controller/pci-tegra.c
+++ b/drivers/pci/controller/pci-tegra.c
@@ -2499,7 +2499,6 @@ static const struct tegra_pcie_soc tegra
 	.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 tegra
 	.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,