kernel_samsung_a53x/drivers/i2c
Jian Zhang 53fa188f64 i2c: aspeed: Fix i2c bus hang in slave read
commit 54f1840ddee9bbdc8dd89fbbfdfa632401244146 upstream.

When the `CONFIG_I2C_SLAVE` option is enabled and the device operates
as a slave, a situation arises where the master sends a START signal
without the accompanying STOP signal. This action results in a
persistent I2C bus timeout. The core issue stems from the fact that
the i2c controller remains in a slave read state without a timeout
mechanism. As a consequence, the bus perpetually experiences timeouts.

In this case, the i2c bus will be reset, but the slave_state reset is
missing.

Fixes: fee465150b45 ("i2c: aspeed: Reset the i2c controller when timeout occurs")
Signed-off-by: Jian Zhang <zhangjian.3032@bytedance.com>
Acked-by: Andi Shyti <andi.shyti@kernel.org>
Tested-by: Andrew Jeffery <andrew@codeconstruct.com.au>
Reviewed-by: Andrew Jeffery <andrew@codeconstruct.com.au>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2024-11-18 10:58:31 +01:00
..
algos Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
busses i2c: aspeed: Fix i2c bus hang in slave read 2024-11-18 10:58:31 +01:00
muxes i2c: muxes: i2c-demux-pinctrl: Use of_get_i2c_adapter_by_node() 2024-11-18 10:58:31 +01:00
i2c-boardinfo.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
i2c-core-acpi.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
i2c-core-base.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
i2c-core-of.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
i2c-core-slave.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
i2c-core-smbus.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
i2c-core.h Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
i2c-dev.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
i2c-mux.c i2c: mux: Avoid potential false error message in i2c_mux_add_adapter 2024-11-08 11:26:15 +01:00
i2c-slave-eeprom.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
i2c-slave-testunit.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
i2c-smbus.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
i2c-stub.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
Kconfig Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
Makefile Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00