[PATCH] iio: adc: xilinx-ams: Fix num_channels for PS channels

[Jonathan Cameron]

On Sun, 30 Jan 2022 12:30:25 +0000
Jonathan Cameron <jic23 at kernel.org> wrote:

> On Wed, 19 Jan 2022 12:45:13 +0100
> Michael Tretter <m.tretter at pengutronix.de> wrote:
> 
> > The IIO channels of the PS are not provided in the sysfs even if the
> > ams_ps is enabled in the device tree. The reason is that the channels of
> > the PS are not added to the overall number of IIO channels.
> > 
> > The line somehow got lost between v11 and v12 of the patch series.
> > 
> > Add the number of ams_ps_channels to the number of channels to correctly
> > register all channels.
> > 
> > Signed-off-by: Michael Tretter <m.tretter at pengutronix.de>
> > Fixes: d5c70627a794 ("iio: adc: Add Xilinx AMS driver")  
> Applied to the fixes togreg branch of iio.git.
> 
Actually change of plan . I'll just pick up the v2 fixes set from
Robert as otherwise I'll loose track of where we are with these.

Thanks,

Jonathan

> Thanks,
> 
> Jonathan
> 
> > ---
> >  drivers/iio/adc/xilinx-ams.c | 1 +
> >  1 file changed, 1 insertion(+)
> > 
> > diff --git a/drivers/iio/adc/xilinx-ams.c b/drivers/iio/adc/xilinx-ams.c
> > index 8343c5f74121..ede968efb77f 100644
> > --- a/drivers/iio/adc/xilinx-ams.c
> > +++ b/drivers/iio/adc/xilinx-ams.c
> > @@ -1224,6 +1224,7 @@ static int ams_init_module(struct iio_dev *indio_dev,
> >  
> >  		/* add PS channels to iio device channels */
> >  		memcpy(channels, ams_ps_channels, sizeof(ams_ps_channels));
> > +		num_channels += ARRAY_SIZE(ams_ps_channels);
> >  	} else if (fwnode_property_match_string(fwnode, "compatible",
> >  						"xlnx,zynqmp-ams-pl") == 0) {
> >  		ams->pl_base = fwnode_iomap(fwnode, 0);  
>