[PATCH 5.17 0034/1126] iio: adc: xilinx-ams: Fixed missing PS channels

Greg Kroah-Hartman
2022-04-05T07:41:19Z

From: Robert Hancock <robert.hancock@calian.com>

commit 1f21a41578062d439cc485bce2d8b664f9a6170e upstream.

The code forgot to increment num_channels for the PS channel inputs,
resulting in them not being enabled as they should.

Fixes: d5c70627a794 ("iio: adc: Add Xilinx AMS driver")
Signed-off-by: Robert Hancock <robert.hancock@calian.com>
Reviewed-by: Michael Tretter <m.tretter@pengutronix.de>
Acked-by: Michal Simek <michal.simek@xilinx.com>
Link: https://lore.kernel.org/r/20220127173450.3684318-3-robert.hancock@calian.com
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/iio/adc/xilinx-ams.c | 1 +
1 file changed, 1 insertion(+)

--- a/drivers/iio/adc/xilinx-ams.c
+++ b/drivers/iio/adc/xilinx-ams.c
@@ -1230,6 +1230,7 @@ static int ams_init_module(struct iio_de

/* 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);