Commit 30851a7c authored by Wolfram Sang's avatar Wolfram Sang

Documentation: i2c: slave-interface: add note for driver development

Make it clear that adding slave support shall not disable master
functionality. We can have both, so we should.
Signed-off-by: default avatarWolfram Sang <wsa@the-dreams.de>
parent e35478ea
...@@ -145,6 +145,11 @@ If you want to add slave support to the bus driver: ...@@ -145,6 +145,11 @@ If you want to add slave support to the bus driver:
* Catch the slave interrupts and send appropriate i2c_slave_events to the backend. * Catch the slave interrupts and send appropriate i2c_slave_events to the backend.
Note that most hardware supports being master _and_ slave on the same bus. So,
if you extend a bus driver, please make sure that the driver supports that as
well. In almost all cases, slave support does not need to disable the master
functionality.
Check the i2c-rcar driver as an example. Check the i2c-rcar driver as an example.
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