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Quan Nguyen 09a7bab68b docs: i2c: slave-interface: return errno when handle I2C_SLAVE_WRITE_REQUESTED 
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>
2022-09-28 21:41:59 +02:00
..
busses docs: i2c: piix4: Fix typos, add markup, drop link 2022-08-29 22:08:40 +02:00
muxes docs: i2c: convert to ReST and add to driver-api bookset 2019-07-31 13:25:27 -06:00
dev-interface.rst Documentation: i2c: fix references to other documents 2022-09-16 20:53:58 +01:00
dma-considerations.rst docs: i2c: call it "I2C" consistently 2020-01-29 22:01:24 +01:00
fault-codes.rst docs: i2c: convert to ReST and add to driver-api bookset 2019-07-31 13:25:27 -06:00
functionality.rst docs: i2c: convert to ReST and add to driver-api bookset 2019-07-31 13:25:27 -06:00
gpio-fault-injection.rst docs: i2c: convert to ReST and add to driver-api bookset 2019-07-31 13:25:27 -06:00
i2c_bus.svg docs: i2c: rename i2c.svg to i2c_bus.svg 2020-04-20 15:45:41 -06:00
i2c-protocol.rst docs: i2c: i2c-protocol: remove unused legend items 2022-08-11 23:05:11 +02:00
i2c-stub.rst docs: i2c: convert to ReST and add to driver-api bookset 2019-07-31 13:25:27 -06:00
i2c-sysfs.rst docs: i2c: i2c-sysfs: fix hyperlinks 2022-08-11 23:25:05 +02:00
i2c-topology.rst docs: i2c: i2c-topology: reorder sections more logically 2022-08-29 12:28:13 +02:00
index.rst Documentation: i2c: add i2c-sysfs into index 2021-08-10 22:58:32 +02:00
instantiating-devices.rst docs: i2c: instantiating-devices: add syntax coloring to dts and C blocks 2022-08-11 23:07:19 +02:00
old-module-parameters.rst docs: i2c: avoid using ReST :doc:foo markup 2021-06-17 13:24:38 -06:00
slave-eeprom-backend.rst i2c: slave-eeprom: update documentation 2020-07-04 08:17:53 +02:00
slave-interface.rst docs: i2c: slave-interface: return errno when handle I2C_SLAVE_WRITE_REQUESTED 2022-09-28 21:41:59 +02:00
slave-testunit-backend.rst i2c: testunit: add support for block process calls 2021-02-12 11:11:04 +01:00
smbus-protocol.rst docs: i2c: smbus-protocol: improve DataLow/DataHigh definition 2022-08-11 23:06:11 +02:00
summary.rst Docs: Fixes link to I2C specification 2021-12-31 14:39:28 +01:00
ten-bit-addresses.rst docs: i2c: convert to ReST and add to driver-api bookset 2019-07-31 13:25:27 -06:00
writing-clients.rst Merge branch 'master' into i2c/for-mergewindow 2022-09-27 21:33:37 +02:00