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Documentation: i2c: add fault code for not supporting 10 bit addresses

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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>
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Wolfram Sang 2023-10-29 20:41:43 +01:00 committed by Wolfram Sang
parent 5ac61d26b8
commit 0161ee9dd3
1 changed files with 4 additions and 0 deletions
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4
Documentation/i2c/fault-codes.rst
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@ -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