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In case backend is not ready, ie: fail to wakeup or initialization, on the returning of the I2C_SLAVE_WRITE_REQUESTED event, bus driver should aware the backend status and might auto sending NACK on the next incoming bytes for I2C master to retry. Signed-off-by: Quan Nguyen <quan@os.amperecomputing.com> Links:https://lore.kernel.org/linux-arm-kernel/556fa9e1-c54b-8370-4de7-c2d3ec7d6906@os.amperecomputing.com/ [wsa: made some wording more precise] Signed-off-by: Wolfram Sang <wsa@kernel.org> |
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| .. | ||
| busses | ||
| muxes | ||
| dev-interface.rst | ||
| dma-considerations.rst | ||
| fault-codes.rst | ||
| functionality.rst | ||
| gpio-fault-injection.rst | ||
| i2c_bus.svg | ||
| i2c-protocol.rst | ||
| i2c-stub.rst | ||
| i2c-sysfs.rst | ||
| i2c-topology.rst | ||
| index.rst | ||
| instantiating-devices.rst | ||
| old-module-parameters.rst | ||
| slave-eeprom-backend.rst | ||
| slave-interface.rst | ||
| slave-testunit-backend.rst | ||
| smbus-protocol.rst | ||
| summary.rst | ||
| ten-bit-addresses.rst | ||
| writing-clients.rst | ||
