From: Marcus Folkesson marcus.folkesson@gmail.com
[ Upstream commit cfbd76d5c9c449739bb74288d982bccf9ff822f4 ]
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 Reviewed-by: Andy Shevchenko andy.shevchenko@gmail.com Link: https://lore.kernel.org/r/20220722130726.7627-3-marcus.folkesson@gmail.com Cc: Stable@vger.kernel.org Signed-off-by: Jonathan Cameron Jonathan.Cameron@huawei.com Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/iio/adc/mcp3911.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-)
diff --git a/drivers/iio/adc/mcp3911.c b/drivers/iio/adc/mcp3911.c index 608842632925..7eecbfd491a4 100644 --- a/drivers/iio/adc/mcp3911.c +++ b/drivers/iio/adc/mcp3911.c @@ -217,7 +217,14 @@ 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",