On 2019-12-25 11:36, Biwen Li wrote: > Specify a channel zero in idle state to > avoid enterring tri-stated state for PCA9547. > About E-00013: > - Description: I2C1 and I2C3 buses > are missing pull-up. > - Impact: When the PCA954x device is tri-stated, the I2C bus > will float. This makes the I2C bus and its associated > downstream devices inaccessible. > - Hardware fix: Populate resistors R189 and R190 for I2C1 > and resistors R228 and R229 for I2C3. > - Software fix: Remove the tri-state option from the PCA954x > driver(PCA954x always on enable status, specify a > channel zero in dts to fix the errata E-00013). > > Signed-off-by: Biwen Li <biwen.li@xxxxxxx> For this patch, get_maintainer.pl suggests a few more recipients that you need to seek reviews/acks from. Cheers, Peter
