linux-kernel - [PATCH] cxl: Fix cross-reference in documentation and add deprecation warning

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Message-ID: <20250219064807.175107-1-ajd@linux.ibm.com>
Date: Wed, 19 Feb 2025 17:48:07 +1100
From: Andrew Donnellan <ajd@...ux.ibm.com>
To: linuxppc-dev@...ts.ozlabs.org
Cc: fbarrat@...ux.ibm.com, sfr@...b.auug.org.au, linux-next@...r.kernel.org,
        mchehab+huawei@...nel.org, corbet@....net, linux-doc@...r.kernel.org,
        linux-kernel@...r.kernel.org, Bagas Sanjaya <bagasdotme@...il.com>
Subject: [PATCH] cxl: Fix cross-reference in documentation and add deprecation warning

commit 5731d41af924 ("cxl: Deprecate driver") labelled the cxl driver as
deprecated and moved the ABI documentation to the obsolete/ subdirectory,
but didn't update cxl.rst, causing a warning once ff7ff6eb4f809 ("docs:
media: Allow creating cross-references for RC ABI") was merged.

Fix the cross-reference, and also add a deprecation warning.

Fixes: 5731d41af924 ("cxl: Deprecate driver")
Reported-by: Bagas Sanjaya <bagasdotme@...il.com>
Signed-off-by: Andrew Donnellan <ajd@...ux.ibm.com>

---

Maddy: can we take this by powerpc-fixes?
---
 Documentation/arch/powerpc/cxl.rst | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/Documentation/arch/powerpc/cxl.rst b/Documentation/arch/powerpc/cxl.rst
index d2d77057610e..778adda740d2 100644
--- a/Documentation/arch/powerpc/cxl.rst
+++ b/Documentation/arch/powerpc/cxl.rst
@@ -18,6 +18,7 @@ Introduction
     both access system memory directly and with the same effective
     addresses.
 
+    **This driver is deprecated and will be removed in a future release.**
 
 Hardware overview
 =================
@@ -453,7 +454,7 @@ Sysfs Class
 
     A cxl sysfs class is added under /sys/class/cxl to facilitate
     enumeration and tuning of the accelerators. Its layout is
-    described in Documentation/ABI/testing/sysfs-class-cxl
+    described in Documentation/ABI/obsolete/sysfs-class-cxl
 
 
 Udev rules
-- 
2.48.1