On 5/17/21 3:26 PM, Chu Lin wrote:
The PMBUS_MFR_ID block is actually 6 chars for q54sj108a2.
/sys/bus/i2c/drivers/q54sj108a2_test# iotools smbus_read8 $BUS $ADDR 0x99
0x06
What is the 6th character ? Should it be checked as well ?
Tested: Devices are able to bind to the q54sj108a2 driver successfully.
Signed-off-by: Chu Lin <linchuyuan@xxxxxxxxxx>
---
drivers/hwmon/pmbus/q54sj108a2.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/hwmon/pmbus/q54sj108a2.c b/drivers/hwmon/pmbus/q54sj108a2.c
index aec512766c31..0976268b2670 100644
--- a/drivers/hwmon/pmbus/q54sj108a2.c
+++ b/drivers/hwmon/pmbus/q54sj108a2.c
@@ -299,7 +299,7 @@ static int q54sj108a2_probe(struct i2c_client *client)
dev_err(&client->dev, "Failed to read Manufacturer ID\n");
return ret;
}
- if (ret != 5 || strncmp(buf, "DELTA", 5)) {
+ if (ret != 6 || strncmp(buf, "DELTA", 5)) {
buf[ret] = '\0';
dev_err(dev, "Unsupported Manufacturer ID '%s'\n", buf);
return -ENODEV;
