On Wed, Jan 23, 2019 at 07:42:58PM +0100, Wolfram Sang wrote:
> On Wed, Jan 23, 2019 at 11:18:54AM +0100, Simon Horman wrote:
> > On Sat, Jan 19, 2019 at 12:36:42PM +0100, Wolfram Sang wrote:
> > > I think it is clear enough if we have the explanation once and make it
> > > clear it is applicable for both SCL and SDA.
> > > 
> > > Signed-off-by: Wolfram Sang <[email protected]>
> > > ---
> > >  drivers/i2c/busses/i2c-gpio.c | 15 ++++-----------
> > >  1 file changed, 4 insertions(+), 11 deletions(-)
> > > 
> > > diff --git a/drivers/i2c/busses/i2c-gpio.c b/drivers/i2c/busses/i2c-gpio.c
> > > index c008d209f0b8..b9d43bc2853f 100644
> > > --- a/drivers/i2c/busses/i2c-gpio.c
> > > +++ b/drivers/i2c/busses/i2c-gpio.c
> > > @@ -286,10 +286,10 @@ static int i2c_gpio_probe(struct platform_device 
> > > *pdev)
> > >  
> > >   /*
> > >    * First get the GPIO pins; if it fails, we'll defer the probe.
> > > -  * If the SDA line is marked from platform data or device tree as
> > > -  * "open drain" it means something outside of our control is making
> > > -  * this line being handled as open drain, and we should just handle
> > > -  * it as any other output. Else we enforce open drain as this is
> > > +  * If the SCL/SDA lines are marked from platform data or device tree
> > > +  * as "open drain" it means something outside of our control is making
> > > +  * these lines being handled as open drain, and we should just handle
> > > +  * them as any other output. Else we enforce open drain as this is
> > >    * required for an I2C bus.
> > 
> > <2c>
> >     If the SCL/SDA lines are marked "open drain" by platform data or
> >     device tree then this means that something outside of our control is
> >     marking these lines to be handled as open drain, and we should just
> >     handle them as we handle any other output. Else we enforce open
> >     drain as this is required for an I2C bus.
> > </2c>
> 
> Cool, thanks Simon. Should I add your SoB when sending V2?

Sure,

Signed-off-by: Simon Horman <[email protected]>



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