linux-kernel - [PATCH v16 4/4] PCI/DOE: Allow enabling DOE without CXL

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Message-ID: <20250227043404.2452562-4-alistair@alistair23.me>
Date: Thu, 27 Feb 2025 14:34:03 +1000
From: Alistair Francis <alistair@...stair23.me>
To: bhelgaas@...gle.com,
	linux-pci@...r.kernel.org,
	Jonathan.Cameron@...wei.com,
	lukas@...ner.de
Cc: alex.williamson@...hat.com,
	christian.koenig@....com,
	kch@...dia.com,
	gregkh@...uxfoundation.org,
	logang@...tatee.com,
	linux-kernel@...r.kernel.org,
	alistair23@...il.com,
	chaitanyak@...dia.com,
	rdunlap@...radead.org,
	Alistair Francis <alistair@...stair23.me>
Subject: [PATCH v16 4/4] PCI/DOE: Allow enabling DOE without CXL

PCIe devices (not CXL) can support DOE as well, so allow DOE to be
enabled even if CXL isn't.

Signed-off-by: Alistair Francis <alistair@...stair23.me>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@...wei.com>
---
v16:
 - No changes

 drivers/pci/Kconfig | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/pci/Kconfig b/drivers/pci/Kconfig
index 2fbd379923fd..fff4f3c6f6d3 100644
--- a/drivers/pci/Kconfig
+++ b/drivers/pci/Kconfig
@@ -122,7 +122,10 @@ config PCI_ATS
 	bool
 
 config PCI_DOE
-	bool
+	bool "Enable PCI Data Object Exchange (DOE) support"
+	help
+	  Say Y here if you want be able to communicate with PCIe DOE
+	  mailboxes.
 
 config PCI_ECAM
 	bool
-- 
2.48.1