linux-kernel - [PATCH] pci: controller: tegra194: remove dependency on Tegra194 SoC

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Message-Id: <20251126102530.4110067-1-flavra@baylibre.com>
Date: Wed, 26 Nov 2025 11:25:30 +0100
From: Francesco Lavra <flavra@...libre.com>
To: Lorenzo Pieralisi <lpieralisi@...nel.org>,
	Krzysztof Wilczyński <kwilczynski@...nel.org>,
	Manivannan Sadhasivam <mani@...nel.org>,
	Rob Herring <robh@...nel.org>,
	Bjorn Helgaas <bhelgaas@...gle.com>,
	Mayank Rana <mayank.rana@....qualcomm.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Shradha Todi <shradha.t@...sung.com>,
	Thippeswamy Havalige <thippeswamy.havalige@....com>,
	Inochi Amaoto <inochiama@...il.com>,
	Vidya Sagar <vidyas@...dia.com>,
	linux-pci@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH] pci: controller: tegra194: remove dependency on Tegra194 SoC

This driver runs (for both host and endpoint operation) also on other Tegra
SoCs (e.g. Tegra234).
Replace the Kconfig dependency on ARCH_TEGRA_194_SOC with a more generic
dependency on ARCH_TEGRA; in addition, amend the Kconfig help text to
reflect the fact that this driver is no longer exclusive to Tegra194.

Fixes: a54e19073718 ("PCI: tegra194: Add Tegra234 PCIe support")
Signed-off-by: Francesco Lavra <flavra@...libre.com>
---
 drivers/pci/controller/dwc/Kconfig | 28 ++++++++++++++--------------
 1 file changed, 14 insertions(+), 14 deletions(-)

diff --git a/drivers/pci/controller/dwc/Kconfig b/drivers/pci/controller/dwc/Kconfig
index ff6b6d9e18ec..1123752e43ef 100644
--- a/drivers/pci/controller/dwc/Kconfig
+++ b/drivers/pci/controller/dwc/Kconfig
@@ -227,33 +227,33 @@ config PCIE_TEGRA194
 
 config PCIE_TEGRA194_HOST
 	tristate "NVIDIA Tegra194 (and later) PCIe controller (host mode)"
-	depends on ARCH_TEGRA_194_SOC || COMPILE_TEST
+	depends on ARCH_TEGRA || COMPILE_TEST
 	depends on PCI_MSI
 	select PCIE_DW_HOST
 	select PHY_TEGRA194_P2U
 	select PCIE_TEGRA194
 	help
-	  Enables support for the PCIe controller in the NVIDIA Tegra194 SoC to
-	  work in host mode. There are two instances of PCIe controllers in
-	  Tegra194. This controller can work either as EP or RC. In order to
-	  enable host-specific features PCIE_TEGRA194_HOST must be selected and
-	  in order to enable device-specific features PCIE_TEGRA194_EP must be
-	  selected. This uses the DesignWare core.
+	  Enables support for the PCIe controller in the NVIDIA Tegra194 and
+	  later SoCs to work in host mode. This controller can work either as
+	  EP or RC. In order to enable host-specific features
+	  PCIE_TEGRA194_HOST must be selected and in order to enable
+	  device-specific features PCIE_TEGRA194_EP must be selected. This uses
+	  the DesignWare core.
 
 config PCIE_TEGRA194_EP
 	tristate "NVIDIA Tegra194 (and later) PCIe controller (endpoint mode)"
-	depends on ARCH_TEGRA_194_SOC || COMPILE_TEST
+	depends on ARCH_TEGRA || COMPILE_TEST
 	depends on PCI_ENDPOINT
 	select PCIE_DW_EP
 	select PHY_TEGRA194_P2U
 	select PCIE_TEGRA194
 	help
-	  Enables support for the PCIe controller in the NVIDIA Tegra194 SoC to
-	  work in endpoint mode. There are two instances of PCIe controllers in
-	  Tegra194. This controller can work either as EP or RC. In order to
-	  enable host-specific features PCIE_TEGRA194_HOST must be selected and
-	  in order to enable device-specific features PCIE_TEGRA194_EP must be
-	  selected. This uses the DesignWare core.
+	  Enables support for the PCIe controller in the NVIDIA Tegra194 and
+	  later SoCs to work in endpoint mode. This controller can work either
+	  as EP or RC. In order to enable host-specific features
+	  PCIE_TEGRA194_HOST must be selected and in order to enable
+	  device-specific features PCIE_TEGRA194_EP must be selected. This uses
+	  the DesignWare core.
 
 config PCIE_DW_PLAT
 	bool
-- 
2.39.5