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linux/drivers/i2c
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Wolfram Sang 6ad30f7890 i2c: testunit: on errors, repeat NACK until STOP 
This backend requests a NACK from the controller driver when it detects
an error. If that request gets ignored from some reason, subsequent
accesses will wrongly be handled OK. To fix this, an error now changes
the state machine, so the backend will report NACK until a STOP
condition has been detected. This make the driver more robust against
controllers which will sadly apply the NACK not to the current byte but
the next one.

Fixes: a8335c64c5 ("i2c: add slave testunit driver")
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
2025-01-15 19:44:21 +01:00
..
algos
busses i2c: rcar: fix NACK handling when being a target 2025-01-15 19:37:33 +01:00
muxes i2c: mux: demux-pinctrl: correct comment 2025-01-15 19:37:16 +01:00
i2c-atr.c i2c: atr: Fix client detach 2025-01-09 11:08:01 +01:00
i2c-boardinfo.c
i2c-core-acpi.c i2c: acpi: Unbind mux adapters before delete 2024-05-06 09:17:38 +02:00
i2c-core-base.c i2c: core: fix reference leak in i2c_register_adapter() 2025-01-09 11:02:31 +01:00
i2c-core-of-prober.c module: Convert symbol namespace to string literal 2024-12-02 11:34:44 -08:00
i2c-core-of.c Char/Misc drivers for 6.4-rc1 2023-04-27 12:07:50 -07:00
i2c-core-slave.c i2c: simplify with scoped for each OF child loop 2024-09-03 12:01:52 +02:00
i2c-core-smbus.c i2c: Fix whitespace style issue 2024-11-27 12:23:43 +01:00
i2c-core.h i2c: core: Fix atomic xfer check for non-preempt config 2024-01-06 14:10:10 +01:00
i2c-dev.c i2c: dev: Fix memory leak when underlying adapter does not support I2C 2024-11-14 11:22:57 +01:00
i2c-mux.c i2c: mux: Remove class argument from i2c_mux_add_adapter() 2024-05-13 16:13:19 +02:00
i2c-slave-eeprom.c i2c: Convert drivers to new .probe() callback 2023-03-09 21:59:30 +01:00
i2c-slave-testunit.c i2c: testunit: on errors, repeat NACK until STOP 2025-01-15 19:44:21 +01:00
i2c-smbus.c i2c: support gpio-binding for SMBAlerts 2024-10-08 11:04:20 +02:00
i2c-stub.c i2c: stub: Don't let i2c adapters declare I2C_CLASS_SPD support if they support I2C_CLASS_HWMON 2024-01-18 21:10:41 +01:00
Kconfig i2c: Remove I2C_COMPAT config symbol and related code 2024-09-07 18:31:28 +02:00
Makefile i2c: Introduce OF component probe function 2024-11-27 12:04:10 +01:00