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authorWolfram Sang <wsa+renesas@sang-engineering.com>2023-10-29 20:41:43 +0100
committerWolfram Sang <wsa@kernel.org>2023-10-29 21:03:35 +0100
commit0161ee9dd38aafad6260ccb47bdc3e1b975eddbf (patch)
treee34186289ed45f7e5775f998f8b7afa0c766cccc /Documentation/i2c
parent5ac61d26b8baff5b2e5a9f3dc1ef63297e4b53e7 (diff)
Documentation: i2c: add fault code for not supporting 10 bit addresses
Document the specific fault code when 10 bit addresses cannot be supported. It is used for years, only the documentation slipped through the cracks. Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com> Signed-off-by: Wolfram Sang <wsa@kernel.org>
Diffstat (limited to 'Documentation/i2c')
-rw-r--r--Documentation/i2c/fault-codes.rst4
1 files changed, 4 insertions, 0 deletions
diff --git a/Documentation/i2c/fault-codes.rst b/Documentation/i2c/fault-codes.rst
index 80b14e718b52..b0864d1268bd 100644
--- a/Documentation/i2c/fault-codes.rst
+++ b/Documentation/i2c/fault-codes.rst
@@ -39,6 +39,10 @@ Also, codes returned by adapter probe methods follow rules which are
specific to their host bus (such as PCI, or the platform bus).
+EAFNOSUPPORT
+ Returned by I2C adapters not supporting 10 bit addresses when
+ they are requested to use such an address.
+
EAGAIN
Returned by I2C adapters when they lose arbitration in master
transmit mode: some other master was transmitting different