From: Marcus Folkesson <marcus.folkesson@xxxxxxxxx>
commit cfbd76d5c9c449739bb74288d982bccf9ff822f4 upstream.
Go for the right property name that is documented in the bindings.
Fixes: 3a89b289df5d ("iio: adc: add support for mcp3911")
Signed-off-by: Marcus Folkesson <marcus.folkesson@xxxxxxxxx>
Reviewed-by: Andy Shevchenko <andy.shevchenko@xxxxxxxxx>
Link: https://lore.kernel.org/r/20220722130726.7627-3-marcus.folkesson@xxxxxxxxx
Cc: <Stable@xxxxxxxxxxxxxxx>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/iio/adc/mcp3911.c | 9 ++++++++-
1 file changed, 8 insertions(+), 1 deletion(-)
--- a/drivers/iio/adc/mcp3911.c
+++ b/drivers/iio/adc/mcp3911.c
@@ -210,7 +210,14 @@ static int mcp3911_config(struct mcp3911
u32 configreg;
int ret;
- device_property_read_u32(dev, "device-addr", &adc->dev_addr);
+ ret = device_property_read_u32(dev, "microchip,device-addr", &adc->dev_addr);
+
+ /*
+ * Fallback to "device-addr" due to historical mismatch between
+ * dt-bindings and implementation
+ */
+ if (ret)
+ device_property_read_u32(dev, "device-addr", &adc->dev_addr);
if (adc->dev_addr > 3) {
dev_err(&adc->spi->dev,
"invalid device address (%i). Must be in range 0-3.\n",
