linux-kernel - [PATCH] PCI: dwc: PCIE_AMD

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Message-ID: <eaef1dea7edcf146aa377d5e5c5c85a76ff56bae.1742306383.git.geert+renesas@glider.be>
Date: Tue, 18 Mar 2025 15:00:54 +0100
From: Geert Uytterhoeven <geert+renesas@...der.be>
To: Thippeswamy Havalige <thippeswamy.havalige@....com>,
	Lorenzo Pieralisi <lpieralisi@...nel.org>,
	Krzysztof Wilczyński <kw@...ux.com>,
	Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>,
	Rob Herring <robh@...nel.org>,
	Bjorn Helgaas <bhelgaas@...gle.com>,
	Shashank Babu Chinta Venkata <quic_schintav@...cinc.com>,
	Johan Hovold <johan+linaro@...nel.org>,
	Niklas Cassel <cassel@...nel.org>
Cc: linux-pci@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Geert Uytterhoeven <geert+renesas@...der.be>
Subject: [PATCH] PCI: dwc: PCIE_AMD_MDB should depend on ARM64

The AMD MDB Versal2 PCIe controller is only present on AMD Versal2
ARM64-based SoCs.  Hence add a dependency on ARM64, to prevent asking
the user about this driver when configuring a kernel for a different
architecture than ARM64.

Fixes: e229f853f5b277a5 ("PCI: amd-mdb: Add AMD MDB Root Port driver")
Signed-off-by: Geert Uytterhoeven <geert+renesas@...der.be>
---
To be replaced by ARCH_VERSAL, if/when it ever appears for real.
---
 drivers/pci/controller/dwc/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/pci/controller/dwc/Kconfig b/drivers/pci/controller/dwc/Kconfig
index 39b1a89cb6b7ee80..48f1e3c7825b55e0 100644
--- a/drivers/pci/controller/dwc/Kconfig
+++ b/drivers/pci/controller/dwc/Kconfig
@@ -39,6 +39,7 @@ config PCIE_AL
 
 config PCIE_AMD_MDB
 	bool "AMD MDB Versal2 PCIe controller"
+	depends on ARM64 || COMPILE_TEST
 	depends on OF || COMPILE_TEST
 	depends on PCI_MSI
 	select PCIE_DW_HOST
-- 
2.43.0