[PATCH v2 01/10] iio: adc: mcp3911: correct "microchip,device-addr" property

From: Marcus Folkesson
Date: Sat Jun 25 2022 - 06:37:26 EST


Go for the right property name that is documented in the bindings.

Signed-off-by: Marcus Folkesson <marcus.folkesson@xxxxxxxxx>
---

Notes:
v2:
- Fallback to "device-addr" due to compatibility (Andy Shevchenko)

drivers/iio/adc/mcp3911.c | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/drivers/iio/adc/mcp3911.c b/drivers/iio/adc/mcp3911.c
index 1cb4590fe412..c5a0f19d7834 100644
--- a/drivers/iio/adc/mcp3911.c
+++ b/drivers/iio/adc/mcp3911.c
@@ -208,7 +208,13 @@ static int mcp3911_config(struct mcp3911 *adc)
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",
--
2.36.1