fsl_i2c.c

Forked from Reform / reform-boundary-uboot

11 years ago

fsl_i2c: generate nine pulses on SCL if the I2C bus is hung · b8ce3343

Chunhe Lan authored 11 years ago


When the code detected that the bus is hung (e.g. SDA stuck low),
send 9 pulses on SCL to try to fixup the bus.

Signed-off-by: Zhao Chenhui <chenhui.zhao@freescale.com>
Signed-off-by: Chunhe Lan <Chunhe.Lan@freescale.com>
Cc: Scott Wood <scottwood@freescale.com>
Cc: Heiko Schocher <hs@denx.de>

b8ce3343

History

fsl_i2c: generate nine pulses on SCL if the I2C bus is hung

Chunhe Lan authored 11 years ago


When the code detected that the bus is hung (e.g. SDA stuck low),
send 9 pulses on SCL to try to fixup the bus.

Signed-off-by: Zhao Chenhui <chenhui.zhao@freescale.com>
Signed-off-by: Chunhe Lan <Chunhe.Lan@freescale.com>
Cc: Scott Wood <scottwood@freescale.com>
Cc: Heiko Schocher <hs@denx.de>