[PATCH v2 2/2] Documentation: migration-2025.11.0: add note about new gpio behaviour

Maud Spierings via B4 Relay devnull+maud_spierings.hotmail.com at kernel.org
Sat Oct 18 02:59:48 PDT 2025


From: Maud Spierings <maud_spierings at hotmail.com>

The previous change, changes the behaviour of reading gpio values, make
a note of it in the migration guide.

Signed-off-by: Maud Spierings <maud_spierings at hotmail.com>
---
 Documentation/migration-guides/migration-2025.11.0.rst | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/Documentation/migration-guides/migration-2025.11.0.rst b/Documentation/migration-guides/migration-2025.11.0.rst
new file mode 100644
index 0000000000..9cbc46acc3
--- /dev/null
+++ b/Documentation/migration-guides/migration-2025.11.0.rst
@@ -0,0 +1,7 @@
+i.MX GPIOs
+----------
+
+Reading output GPIOs now returns the configured output level instead
+of reading back the input register. This aligns us with what Linux
+is doing, but may falsify readings of single-ended GPIOs that have
+the SION bit configured.

-- 
2.51.1.dirty





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