Re: [PATCH v3 2/4] powerpc/fsl: set fsl,i2c-erratum-a004447 flag for P2041 i2c controllers

2021-05-25 Thread Michael Ellerman
Chris Packham writes: > The i2c controllers on the P2040/P2041 have an erratum where the > documented scheme for i2c bus recovery will not work (A-004447). A > different mechanism is needed which is documented in the P2040 Chip > Errata Rev Q (latest available at the time of writing). > >

[PATCH v3 2/4] powerpc/fsl: set fsl, i2c-erratum-a004447 flag for P2041 i2c controllers

2021-05-11 Thread Chris Packham
The i2c controllers on the P2040/P2041 have an erratum where the documented scheme for i2c bus recovery will not work (A-004447). A different mechanism is needed which is documented in the P2040 Chip Errata Rev Q (latest available at the time of writing). Signed-off-by: Chris Packham ---