Star64_linux/drivers/i2c
Mårten Lindahl f4ff0104d4 i2c: exynos5: Preserve high speed master code
When the driver starts to send a message with the MASTER_ID field
set (high speed), the whole I2C_ADDR register is overwritten including
MASTER_ID as the SLV_ADDR_MAS field is set.

This patch preserves already written fields in I2C_ADDR when writing
SLV_ADDR_MAS.

Fixes: 8a73cd4cfa ("i2c: exynos5: add High Speed I2C controller driver")
Signed-off-by: Mårten Lindahl <martenli@axis.com>
Reviewed-by: Krzysztof Kozlowski <krzk@kernel.org>
Tested-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
2021-02-26 11:47:42 +01:00
..
algos
busses i2c: exynos5: Preserve high speed master code 2021-02-26 11:47:42 +01:00
muxes
i2c-boardinfo.c
i2c-core-acpi.c
i2c-core-base.c
i2c-core-of.c
i2c-core-slave.c
i2c-core-smbus.c
i2c-core.h
i2c-dev.c
i2c-mux.c
i2c-slave-eeprom.c
i2c-slave-testunit.c
i2c-smbus.c
i2c-stub.c
Kconfig
Makefile