From d63a9e851c2c007d9129b8dbfc1af24722bd18bd Mon Sep 17 00:00:00 2001
From: Andy Lutomirski <luto@amacapital.net>
Date: Wed, 17 Jul 2013 13:27:59 -0700
Subject: [PATCH] i2c: Improve logging on failure to probe for ->class devices
While writing the i2c-imc driver, I noticed that the warning message
when the i2c core can't figure out how to probe is mostly useless.
This trivial patch improves it.
Signed-off-by: Andy Lutomirski <luto@amacapital.net>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
---
drivers/i2c/i2c-core.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/i2c/i2c-core.c b/drivers/i2c/i2c-core.c
index d075df641c2ca1..3d9ca2d3d77ec1 100644
--- a/drivers/i2c/i2c-core.c
+++ b/drivers/i2c/i2c-core.c
@@ -1665,7 +1665,8 @@ static int i2c_default_probe(struct i2c_adapter *adap, unsigned short addr)
err = i2c_smbus_xfer(adap, addr, 0, I2C_SMBUS_READ, 0,
I2C_SMBUS_BYTE, &dummy);
else {
- dev_warn(&adap->dev, "No suitable probing method supported\n");
+ dev_warn(&adap->dev, "No suitable probing method supported for address 0x%02X\n",
+ addr);
err = -EOPNOTSUPP;
}
--
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