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[v3,2/9] iio: adc: mcp3911: correct "microchip,device-addr" property

Message ID 20220704172116.195841-3-marcus.folkesson@gmail.com (mailing list archive)
State Changes Requested
Headers show
Series Improve MCP3911 driver | expand

Commit Message

Marcus Folkesson July 4, 2022, 5:21 p.m. UTC 
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@gmail.com>
---
 drivers/iio/adc/mcp3911.c | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)
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Patch

diff --git a/drivers/iio/adc/mcp3911.c b/drivers/iio/adc/mcp3911.c
index f581cefb6719..f8875076ae80 100644
--- a/drivers/iio/adc/mcp3911.c
+++ b/drivers/iio/adc/mcp3911.c
@@ -210,7 +210,14 @@  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",