[PATCH 3/4] devicetree: bindings: Add defeature-repeated-start property for Cadence I2C

Wolfram Sang wsa at the-dreams.de
Tue Dec 2 06:15:48 PST 2014


> > What do you do when disable repeated start? Sending STOP and START? If
> > so, this is really something different than repeated start. By using
> > I2C_FUNC_I2C a user expects repeated start, so if the HW does not
> > support it, we should say so and don't try to emulate it with something
> > different.
> 
> Yes, we send stop.

As said before, this is wrong. Another master could interfere between
the messages when using stop+start. This is no replacement for repeated
start.

-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 819 bytes
Desc: Digital signature
URL: <http://lists.infradead.org/pipermail/linux-arm-kernel/attachments/20141202/a074f1c4/attachment-0001.sig>


More information about the linux-arm-kernel mailing list