Message-Id: <1374774810-18459-9-git-send-email-thierry.reding@gmail.com>
Date:	Thu, 25 Jul 2013 10:53:22 -0700
From:	Thierry Reding <thierry.reding@...il.com>
To:	Bjorn Helgaas <bhelgaas@...gle.com>,
	Stephen Warren <swarren@...dotorg.org>
Cc:	Russell King <linux@....linux.org.uk>,
	Jason Cooper <jason@...edaemon.net>,
	Thomas Petazzoni <thomas.petazzoni@...e-electrons.com>,
	Jay Agarwal <jagarwal@...dia.com>, linux-pci@...r.kernel.org,
	linux-tegra@...r.kernel.org, devicetree@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: [PATCH v5 08/16] PCI: tegra: Add Tegra 30 PCIe support

From: Jay Agarwal <jagarwal@...dia.com>

Introduce a data structure to parameterize the driver according to SoC
generation, add Tegra30 specific code and update the device tree binding
document for Tegra30 support.

Signed-off-by: Jay Agarwal <jagarwal@...dia.com>
Signed-off-by: Thierry Reding <treding@...dia.com>
---
 .../bindings/pci/nvidia,tegra20-pcie.txt           |   4 +-
 drivers/pci/host/pci-tegra.c                       | 209 +++++++++++++++++----
 2 files changed, 179 insertions(+), 34 deletions(-)

diff --git a/Documentation/devicetree/bindings/pci/nvidia,tegra20-pcie.txt b/Documentation/devicetree/bindings/pci/nvidia,tegra20-pcie.txt
index 90c112f..6b75107 100644
--- a/Documentation/devicetree/bindings/pci/nvidia,tegra20-pcie.txt
+++ b/Documentation/devicetree/bindings/pci/nvidia,tegra20-pcie.txt
@@ -1,7 +1,7 @@
 NVIDIA Tegra PCIe controller
 
 Required properties:
-- compatible: "nvidia,tegra20-pcie"
+- compatible: "nvidia,tegra20-pcie" or "nvidia,tegra30-pcie"
 - device_type: Must be "pci"
 - reg: A list of physical base address and length for each set of controller
   registers. Must contain an entry for each entry in the reg-names property.
@@ -16,6 +16,7 @@ Required properties:
   "msi": The Tegra interrupt that is asserted when an MSI is received
 - pex-clk-supply: Supply voltage for internal reference clock
 - vdd-supply: Power supply for controller (1.05V)
+- avdd-supply: Power supply for controller (1.05V) (not required for Tegra20)
 - bus-range: Range of bus numbers associated with this controller
 - #address-cells: Address representation for root ports (must be 3)
   - cell 0 specifies the bus and device numbers of the root port:
@@ -48,6 +49,7 @@ Required properties:
   "afi": The Tegra clock of that name
   "pcie_xclk": The Tegra clock of that name
   "pll_e": The Tegra clock of that name
+  "cml": The Tegra clock of that name (not required for Tegra20)
 
 Root ports are defined as subnodes of the PCIe controller node.
 
diff --git a/drivers/pci/host/pci-tegra.c b/drivers/pci/host/pci-tegra.c
index 223069a..5347d7d 100644
--- a/drivers/pci/host/pci-tegra.c
+++ b/drivers/pci/host/pci-tegra.c
@@ -1,5 +1,5 @@
 /*
- * PCIe host controller driver for TEGRA(2) SOCs
+ * PCIe host controller driver for Tegra SoCs
  *
  * Copyright (c) 2010, CompuLab, Ltd.
  * Author: Mike Rapoport <mike@...pulab.co.il>
@@ -51,7 +51,6 @@
 #include <asm/mach/pci.h>
 
 #define INT_PCI_MSI_NR (8 * 32)
-#define TEGRA_MAX_PORTS 2
 
 /* register definitions */
 
@@ -143,22 +142,30 @@
 #define  AFI_INTR_EN_DFPCI_DECERR	(1 << 5)
 #define  AFI_INTR_EN_AXI_DECERR		(1 << 6)
 #define  AFI_INTR_EN_FPCI_TIMEOUT	(1 << 7)
+#define  AFI_INTR_EN_PRSNT_SENSE	(1 << 8)
 
 #define AFI_PCIE_CONFIG					0x0f8
 #define  AFI_PCIE_CONFIG_PCIE_DISABLE(x)		(1 << ((x) + 1))
 #define  AFI_PCIE_CONFIG_PCIE_DISABLE_ALL		0xe
 #define  AFI_PCIE_CONFIG_SM2TMS0_XBAR_CONFIG_MASK	(0xf << 20)
 #define  AFI_PCIE_CONFIG_SM2TMS0_XBAR_CONFIG_SINGLE	(0x0 << 20)
+#define  AFI_PCIE_CONFIG_SM2TMS0_XBAR_CONFIG_420	(0x0 << 20)
 #define  AFI_PCIE_CONFIG_SM2TMS0_XBAR_CONFIG_DUAL	(0x1 << 20)
+#define  AFI_PCIE_CONFIG_SM2TMS0_XBAR_CONFIG_222	(0x1 << 20)
+#define  AFI_PCIE_CONFIG_SM2TMS0_XBAR_CONFIG_411	(0x2 << 20)
 
 #define AFI_FUSE			0x104
 #define  AFI_FUSE_PCIE_T0_GEN2_DIS	(1 << 2)
 
 #define AFI_PEX0_CTRL			0x110
 #define AFI_PEX1_CTRL			0x118
+#define AFI_PEX2_CTRL			0x128
 #define  AFI_PEX_CTRL_RST		(1 << 0)
+#define  AFI_PEX_CTRL_CLKREQ_EN		(1 << 1)
 #define  AFI_PEX_CTRL_REFCLK_EN		(1 << 3)
 
+#define AFI_PEXBIAS_CTRL_0		0x168
+
 #define RP_VEND_XP	0x00000F00
 #define  RP_VEND_XP_DL_UP	(1 << 30)
 
@@ -173,7 +180,8 @@
 #define  PADS_CTL_TX_DATA_EN_1L	(1 << 6)
 #define  PADS_CTL_RX_DATA_EN_1L	(1 << 10)
 
-#define PADS_PLL_CTL				0x000000B8
+#define PADS_PLL_CTL_TEGRA20			0x000000B8
+#define PADS_PLL_CTL_TEGRA30			0x000000B4
 #define  PADS_PLL_CTL_RST_B4SM			(1 << 1)
 #define  PADS_PLL_CTL_LOCKDET			(1 << 8)
 #define  PADS_PLL_CTL_REFCLK_MASK		(0x3 << 16)
@@ -183,6 +191,10 @@
 #define  PADS_PLL_CTL_TXCLKREF_MASK		(0x1 << 20)
 #define  PADS_PLL_CTL_TXCLKREF_DIV10		(0 << 20)
 #define  PADS_PLL_CTL_TXCLKREF_DIV5		(1 << 20)
+#define  PADS_PLL_CTL_TXCLKREF_BUF_EN		(1 << 22)
+
+#define PADS_REFCLK_CFG0			0x000000C8
+#define PADS_REFCLK_CFG1			0x000000CC
 
 struct tegra_msi {
 	struct msi_chip chip;
@@ -193,6 +205,19 @@ struct tegra_msi {
 	int irq;
 };
 
+/* used to differentiate between Tegra SoC generations */
+struct tegra_pcie_soc_data {
+	unsigned int num_ports;
+	unsigned int msi_base_shift;
+	u32 pads_pll_ctl;
+	u32 tx_ref_sel;
+	bool has_pex_clkreq_en;
+	bool has_pex_bias_ctrl;
+	bool has_intr_prsnt_sense;
+	bool has_avdd_supply;
+	bool has_cml_clk;
+};
+
 static inline struct tegra_msi *to_tegra_msi(struct msi_chip *chip)
 {
 	return container_of(chip, struct tegra_msi, chip);
@@ -217,6 +242,7 @@ struct tegra_pcie {
 	struct clk *afi_clk;
 	struct clk *pcie_xclk;
 	struct clk *pll_e;
+	struct clk *cml_clk;
 
 	struct tegra_msi msi;
 
@@ -226,6 +252,9 @@ struct tegra_pcie {
 
 	struct regulator *pex_clk_supply;
 	struct regulator *vdd_supply;
+	struct regulator *avdd_supply;
+
+	const struct tegra_pcie_soc_data *soc_data;
 };
 
 struct tegra_pcie_port {
@@ -470,6 +499,10 @@ static unsigned long tegra_pcie_port_get_pex_ctrl(struct tegra_pcie_port *port)
 	case 1:
 		ret = AFI_PEX1_CTRL;
 		break;
+
+	case 2:
+		ret = AFI_PEX2_CTRL;
+		break;
 	}
 
 	return ret;
@@ -494,12 +527,17 @@ static void tegra_pcie_port_reset(struct tegra_pcie_port *port)
 
 static void tegra_pcie_port_enable(struct tegra_pcie_port *port)
 {
+	const struct tegra_pcie_soc_data *soc = port->pcie->soc_data;
 	unsigned long ctrl = tegra_pcie_port_get_pex_ctrl(port);
 	unsigned long value;
 
 	/* enable reference clock */
 	value = afi_readl(port->pcie, ctrl);
 	value |= AFI_PEX_CTRL_REFCLK_EN;
+
+	if (soc->has_pex_clkreq_en)
+		value |= AFI_PEX_CTRL_CLKREQ_EN;
+
 	afi_writel(port->pcie, value, ctrl);
 
 	tegra_pcie_port_reset(port);
@@ -552,6 +590,8 @@ static void tegra_pcie_fixup_class(struct pci_dev *dev)
 }
 DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_NVIDIA, 0x0bf0, tegra_pcie_fixup_class);
 DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_NVIDIA, 0x0bf1, tegra_pcie_fixup_class);
+DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_NVIDIA, 0x0e1c, tegra_pcie_fixup_class);
+DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_NVIDIA, 0x0e1d, tegra_pcie_fixup_class);
 
 /* Tegra PCIE requires relaxed ordering */
 static void tegra_pcie_relax_enable(struct pci_dev *dev)
@@ -724,10 +764,15 @@ static void tegra_pcie_setup_translations(struct tegra_pcie *pcie)
 
 static int tegra_pcie_enable_controller(struct tegra_pcie *pcie)
 {
+	const struct tegra_pcie_soc_data *soc = pcie->soc_data;
 	struct tegra_pcie_port *port;
 	unsigned int timeout;
 	unsigned long value;
 
+	/* power down PCIe slot clock bias pad */
+	if (soc->has_pex_bias_ctrl)
+		afi_writel(pcie, 0, AFI_PEXBIAS_CTRL_0);
+
 	/* configure mode and disable all ports */
 	value = afi_readl(pcie, AFI_PCIE_CONFIG);
 	value &= ~AFI_PCIE_CONFIG_SM2TMS0_XBAR_CONFIG_MASK;
@@ -754,27 +799,26 @@ static int tegra_pcie_enable_controller(struct tegra_pcie *pcie)
 	 * Set up PHY PLL inputs select PLLE output as refclock,
 	 * set TX ref sel to div10 (not div5).
 	 */
-	value = pads_readl(pcie, PADS_PLL_CTL);
+	value = pads_readl(pcie, soc->pads_pll_ctl);
 	value &= ~(PADS_PLL_CTL_REFCLK_MASK | PADS_PLL_CTL_TXCLKREF_MASK);
-	value |= PADS_PLL_CTL_REFCLK_INTERNAL_CML |
-		 PADS_PLL_CTL_TXCLKREF_DIV10;
-	pads_writel(pcie, value, PADS_PLL_CTL);
+	value |= PADS_PLL_CTL_REFCLK_INTERNAL_CML | soc->tx_ref_sel;
+	pads_writel(pcie, value, soc->pads_pll_ctl);
 
 	/* take PLL out of reset  */
-	value = pads_readl(pcie, PADS_PLL_CTL);
+	value = pads_readl(pcie, soc->pads_pll_ctl);
 	value |= PADS_PLL_CTL_RST_B4SM;
-	pads_writel(pcie, value, PADS_PLL_CTL);
+	pads_writel(pcie, value, soc->pads_pll_ctl);
 
 	/*
 	 * Hack, set the clock voltage to the DEFAULT provided by hw folks.
 	 * This doesn't exist in the documentation.
 	 */
-	pads_writel(pcie, 0xfa5cfa5c, 0xc8);
+	pads_writel(pcie, 0xfa5cfa5c, PADS_REFCLK_CFG0);
 
 	/* wait for the PLL to lock */
 	timeout = 300;
 	do {
-		value = pads_readl(pcie, PADS_PLL_CTL);
+		value = pads_readl(pcie, soc->pads_pll_ctl);
 		usleep_range(1000, 2000);
 		if (--timeout == 0) {
 			pr_err("Tegra PCIe error: timeout waiting for PLL\n");
@@ -803,6 +847,10 @@ static int tegra_pcie_enable_controller(struct tegra_pcie *pcie)
 	value = AFI_INTR_EN_INI_SLVERR | AFI_INTR_EN_INI_DECERR |
 		AFI_INTR_EN_TGT_SLVERR | AFI_INTR_EN_TGT_DECERR |
 		AFI_INTR_EN_TGT_WRERR | AFI_INTR_EN_DFPCI_DECERR;
+
+	if (soc->has_intr_prsnt_sense)
+		value |= AFI_INTR_EN_PRSNT_SENSE;
+
 	afi_writel(pcie, value, AFI_AFI_INTR_ENABLE);
 	afi_writel(pcie, 0xffffffff, AFI_SM_INTR_ENABLE);
 
@@ -817,6 +865,7 @@ static int tegra_pcie_enable_controller(struct tegra_pcie *pcie)
 
 static void tegra_pcie_power_off(struct tegra_pcie *pcie)
 {
+	const struct tegra_pcie_soc_data *soc = pcie->soc_data;
 	int err;
 
 	/* TODO: disable and unprepare clocks? */
@@ -828,19 +877,28 @@ static void tegra_pcie_power_off(struct tegra_pcie *pcie)
 	tegra_powergate_power_off(TEGRA_POWERGATE_PCIE);
 	tegra_pmc_pcie_xclk_clamp(true);
 
+	if (soc->has_avdd_supply) {
+		err = regulator_disable(pcie->avdd_supply);
+		if (err < 0)
+			dev_warn(pcie->dev,
+				 "failed to disable AVDD regulator: %d\n",
+				 err);
+	}
+
 	err = regulator_disable(pcie->pex_clk_supply);
 	if (err < 0)
-		dev_err(pcie->dev, "failed to disable pex-clk regulator: %d\n",
-			err);
+		dev_warn(pcie->dev, "failed to disable pex-clk regulator: %d\n",
+			 err);
 
 	err = regulator_disable(pcie->vdd_supply);
 	if (err < 0)
-		dev_err(pcie->dev, "failed to disable VDD regulator: %d\n",
-			err);
+		dev_warn(pcie->dev, "failed to disable VDD regulator: %d\n",
+			 err);
 }
 
 static int tegra_pcie_power_on(struct tegra_pcie *pcie)
 {
+	const struct tegra_pcie_soc_data *soc = pcie->soc_data;
 	int err;
 
 	tegra_periph_reset_assert(pcie->pcie_xclk);
@@ -864,6 +922,16 @@ static int tegra_pcie_power_on(struct tegra_pcie *pcie)
 		return err;
 	}
 
+	if (soc->has_avdd_supply) {
+		err = regulator_enable(pcie->avdd_supply);
+		if (err < 0) {
+			dev_err(pcie->dev,
+				"failed to enable AVDD regulator: %d\n",
+				err);
+			return err;
+		}
+	}
+
 	err = tegra_powergate_sequence_power_up(TEGRA_POWERGATE_PCIE,
 						pcie->pex_clk);
 	if (err) {
@@ -881,6 +949,15 @@ static int tegra_pcie_power_on(struct tegra_pcie *pcie)
 		return err;
 	}
 
+	if (soc->has_cml_clk) {
+		err = clk_prepare_enable(pcie->cml_clk);
+		if (err < 0) {
+			dev_err(pcie->dev, "failed to enable CML clock: %d\n",
+				err);
+			return err;
+		}
+	}
+
 	err = clk_prepare_enable(pcie->pll_e);
 	if (err < 0) {
 		dev_err(pcie->dev, "failed to enable PLLE clock: %d\n", err);
@@ -892,6 +969,8 @@ static int tegra_pcie_power_on(struct tegra_pcie *pcie)
 
 static int tegra_pcie_clocks_get(struct tegra_pcie *pcie)
 {
+	const struct tegra_pcie_soc_data *soc = pcie->soc_data;
+
 	pcie->pex_clk = devm_clk_get(pcie->dev, "pex");
 	if (IS_ERR(pcie->pex_clk))
 		return PTR_ERR(pcie->pex_clk);
@@ -908,6 +987,12 @@ static int tegra_pcie_clocks_get(struct tegra_pcie *pcie)
 	if (IS_ERR(pcie->pll_e))
 		return PTR_ERR(pcie->pll_e);
 
+	if (soc->has_cml_clk) {
+		pcie->cml_clk = devm_clk_get(pcie->dev, "cml");
+		if (IS_ERR(pcie->cml_clk))
+			return PTR_ERR(pcie->cml_clk);
+	}
+
 	return 0;
 }
 
@@ -1132,6 +1217,7 @@ static const struct irq_domain_ops msi_domain_ops = {
 static int tegra_pcie_enable_msi(struct tegra_pcie *pcie)
 {
 	struct platform_device *pdev = to_platform_device(pcie->dev);
+	const struct tegra_pcie_soc_data *soc = pcie->soc_data;
 	struct tegra_msi *msi = &pcie->msi;
 	unsigned long base;
 	int err;
@@ -1169,7 +1255,7 @@ static int tegra_pcie_enable_msi(struct tegra_pcie *pcie)
 	msi->pages = __get_free_pages(GFP_KERNEL, 0);
 	base = virt_to_phys((void *)msi->pages);
 
-	afi_writel(pcie, base, AFI_MSI_FPCI_BAR_ST);
+	afi_writel(pcie, base >> soc->msi_base_shift, AFI_MSI_FPCI_BAR_ST);
 	afi_writel(pcie, base, AFI_MSI_AXI_BAR_ST);
 	/* this register is in 4K increments */
 	afi_writel(pcie, 1, AFI_MSI_BAR_SZ);
@@ -1238,16 +1324,35 @@ static int tegra_pcie_get_xbar_config(struct tegra_pcie *pcie, u32 lanes,
 {
 	struct device_node *np = pcie->dev->of_node;
 
-	switch (lanes) {
-	case 0x00000004:
-		dev_info(pcie->dev, "single-mode configuration\n");
-		*xbar = AFI_PCIE_CONFIG_SM2TMS0_XBAR_CONFIG_SINGLE;
-		return 0;
-
-	case 0x00000202:
-		dev_info(pcie->dev, "dual-mode configuration\n");
-		*xbar = AFI_PCIE_CONFIG_SM2TMS0_XBAR_CONFIG_DUAL;
-		return 0;
+	if (of_device_is_compatible(np, "nvidia,tegra30-pcie")) {
+		switch (lanes) {
+		case 0x00000204:
+			dev_info(pcie->dev, "4x1, 2x1 configuration\n");
+			*xbar = AFI_PCIE_CONFIG_SM2TMS0_XBAR_CONFIG_420;
+			return 0;
+
+		case 0x00020202:
+			dev_info(pcie->dev, "2x3 configuration\n");
+			*xbar = AFI_PCIE_CONFIG_SM2TMS0_XBAR_CONFIG_222;
+			return 0;
+
+		case 0x00010104:
+			dev_info(pcie->dev, "4x1, 1x2 configuration\n");
+			*xbar = AFI_PCIE_CONFIG_SM2TMS0_XBAR_CONFIG_411;
+			return 0;
+		}
+	} else if (of_device_is_compatible(np, "nvidia,tegra20-pcie")) {
+		switch (lanes) {
+		case 0x00000004:
+			dev_info(pcie->dev, "single-mode configuration\n");
+			*xbar = AFI_PCIE_CONFIG_SM2TMS0_XBAR_CONFIG_SINGLE;
+			return 0;
+
+		case 0x00000202:
+			dev_info(pcie->dev, "dual-mode configuration\n");
+			*xbar = AFI_PCIE_CONFIG_SM2TMS0_XBAR_CONFIG_DUAL;
+			return 0;
+		}
 	}
 
 	return -EINVAL;
@@ -1255,6 +1360,7 @@ static int tegra_pcie_get_xbar_config(struct tegra_pcie *pcie, u32 lanes,
 
 static int tegra_pcie_parse_dt(struct tegra_pcie *pcie)
 {
+	const struct tegra_pcie_soc_data *soc = pcie->soc_data;
 	struct device_node *np = pcie->dev->of_node, *port;
 	struct of_pci_range_parser parser;
 	struct of_pci_range range;
@@ -1275,6 +1381,12 @@ static int tegra_pcie_parse_dt(struct tegra_pcie *pcie)
 	if (IS_ERR(pcie->pex_clk_supply))
 		return PTR_ERR(pcie->pex_clk_supply);
 
+	if (soc->has_avdd_supply) {
+		pcie->avdd_supply = devm_regulator_get(pcie->dev, "avdd");
+		if (IS_ERR(pcie->avdd_supply))
+			return PTR_ERR(pcie->avdd_supply);
+	}
+
 	for_each_of_pci_range(&parser, &range) {
 		of_pci_range_to_resource(&range, np, &res);
 
@@ -1321,7 +1433,7 @@ static int tegra_pcie_parse_dt(struct tegra_pcie *pcie)
 
 		index = PCI_SLOT(err);
 
-		if (index < 1 || index > TEGRA_MAX_PORTS) {
+		if (index < 1 || index > soc->num_ports) {
 			dev_err(pcie->dev, "invalid port number: %d\n", index);
 			return -EINVAL;
 		}
@@ -1459,17 +1571,54 @@ static int tegra_pcie_enable(struct tegra_pcie *pcie)
 	return 0;
 }
 
+static const struct tegra_pcie_soc_data tegra20_pcie_data = {
+	.num_ports = 2,
+	.msi_base_shift = 0,
+	.pads_pll_ctl = PADS_PLL_CTL_TEGRA20,
+	.tx_ref_sel = PADS_PLL_CTL_TXCLKREF_DIV10,
+	.has_pex_clkreq_en = false,
+	.has_pex_bias_ctrl = false,
+	.has_intr_prsnt_sense = false,
+	.has_avdd_supply = false,
+	.has_cml_clk = false,
+};
+
+static const struct tegra_pcie_soc_data tegra30_pcie_data = {
+	.num_ports = 3,
+	.msi_base_shift = 8,
+	.pads_pll_ctl = PADS_PLL_CTL_TEGRA30,
+	.tx_ref_sel = PADS_PLL_CTL_TXCLKREF_BUF_EN,
+	.has_pex_clkreq_en = true,
+	.has_pex_bias_ctrl = true,
+	.has_intr_prsnt_sense = true,
+	.has_avdd_supply = true,
+	.has_cml_clk = true,
+};
+
+static const struct of_device_id tegra_pcie_of_match[] = {
+	{ .compatible = "nvidia,tegra30-pcie", .data = &tegra30_pcie_data },
+	{ .compatible = "nvidia,tegra20-pcie", .data = &tegra20_pcie_data },
+	{ },
+};
+MODULE_DEVICE_TABLE(of, tegra_pcie_of_match);
+
 static int tegra_pcie_probe(struct platform_device *pdev)
 {
+	const struct of_device_id *match;
 	struct tegra_pcie *pcie;
 	int err;
 
+	match = of_match_device(tegra_pcie_of_match, &pdev->dev);
+	if (!match)
+		return -ENODEV;
+
 	pcie = devm_kzalloc(&pdev->dev, sizeof(*pcie), GFP_KERNEL);
 	if (!pcie)
 		return -ENOMEM;
 
 	INIT_LIST_HEAD(&pcie->busses);
 	INIT_LIST_HEAD(&pcie->ports);
+	pcie->soc_data = match->data;
 	pcie->dev = &pdev->dev;
 
 	err = tegra_pcie_parse_dt(pcie);
@@ -1518,12 +1667,6 @@ put_resources:
 	return err;
 }
 
-static const struct of_device_id tegra_pcie_of_match[] = {
-	{ .compatible = "nvidia,tegra20-pcie", },
-	{ },
-};
-MODULE_DEVICE_TABLE(of, tegra_pcie_of_match);
-
 static struct platform_driver tegra_pcie_driver = {
 	.driver = {
 		.name = "tegra-pcie",
-- 
1.8.1.5

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