From: Petre Rodan <petre.rodan@subdimension.ro>
Date: Sun, 5 Oct 2025 13:12:11 +0000 (+0300)
Subject: iio: accel: bma220: relax constraints during probe()
X-Git-Tag: v6.19-rc1~65^2~58^2~107
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f3f42da58803e606d50b01d6ae63454a4f0cfa2b;p=thirdparty%2Fkernel%2Flinux.git

iio: accel: bma220: relax constraints during probe()

Do not return error if the chip id being read is not the expected one.

Signed-off-by: Petre Rodan <petre.rodan@subdimension.ro>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---

diff --git a/drivers/iio/accel/bma220_spi.c b/drivers/iio/accel/bma220_spi.c
index 505ad70912571..02ee6b4d51c08 100644
--- a/drivers/iio/accel/bma220_spi.c
+++ b/drivers/iio/accel/bma220_spi.c
@@ -202,10 +202,15 @@ static const struct iio_info bma220_info = {
 static int bma220_init(struct spi_device *spi)
 {
 	int ret;
+	struct device *dev = &spi->dev;
 
 	ret = bma220_read_reg(spi, BMA220_REG_ID);
+	if (ret < 0)
+		return dev_err_probe(dev, ret,
+				     "Failed to read chip id register\n");
+
 	if (ret != BMA220_CHIP_ID)
-		return -ENODEV;
+		dev_info(dev, "Unknown chip found: 0x%02x\n", ret);
 
 	/* Make sure the chip is powered on */
 	ret = bma220_read_reg(spi, BMA220_REG_SUSPEND);