[PATCH] Documentation: i2c: slave-interface: add note for driver development

[PATCH] Documentation: i2c: slave-interface: add note for driver development

[Wolfram Sang]

Make it clear that adding slave support shall not disable master
functionality. We can have both, so we should.

Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
---
 Documentation/i2c/slave-interface | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/Documentation/i2c/slave-interface b/Documentation/i2c/slave-interface
index 80807adb8ded52..7e2a228f21bccd 100644
--- a/Documentation/i2c/slave-interface
+++ b/Documentation/i2c/slave-interface
@@ -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.
 
+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.
 
 
-- 
2.9.3

Re: [PATCH] Documentation: i2c: slave-interface: add note for driver development

[Wolfram Sang]

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On Thu, Aug 25, 2016 at 07:27:40PM +0200, Wolfram Sang wrote:
> Make it clear that adding slave support shall not disable master
> functionality. We can have both, so we should.
> 
> Signed-off-by: Wolfram Sang <wsa@the-dreams.de>

Applied to for-current, thanks!


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