Messages in this thread | | | Date | Tue, 23 Apr 2024 17:46:16 +0100 | From | Simon Horman <> | Subject | Re: [PATCH 2/4] can: mcp251xfd: mcp251xfd_regmap_crc_write(): workaround for errata 5 |
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On Wed, Apr 17, 2024 at 03:43:55PM +0200, Gregor Herburger wrote: > According to Errata DS80000789E 5 writing IOCON register using one SPI > write command clears LAT0/LAT1. > > Errata Fix/Work Around suggests to write registers with single byte write > instructions. However, it seems that every write to the second byte > causes the overrite of LAT0/LAT1.
nit: overwrite
Flagged by ./scripts/checkpatch.pl --codespell
> > Never write byte 2 of IOCON register to avoid clearing of LAT0/LAT1. > > Signed-off-by: Gregor Herburger <gregor.herburger@ew.tq-group.com>
..
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