i2c: Improve deprecation warnings

When warning on the use of deprecated i2c_driver methods
attach_adapter and detach_adapter, mention the name of the driver
which needs to be updated.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>

diff --git a/drivers/i2c/i2c-core.c b/drivers/i2c/i2c-core.c
index 70c30e6..9a58994 100644 (file)
--- a/drivers/i2c/i2c-core.c
+++ b/drivers/i2c/i2c-core.c
@@ -797,7 +797,8 @@ static int i2c_do_add_adapter(struct i2c_driver *driver,
 
        /* Let legacy drivers scan this bus for matching devices */
        if (driver->attach_adapter) {
-               dev_warn(&adap->dev, "attach_adapter method is deprecated\n");
+               dev_warn(&adap->dev, "%s: attach_adapter method is deprecated\n",
+                        driver->driver.name);
                dev_warn(&adap->dev, "Please use another way to instantiate "
                         "your i2c_client\n");
                /* We ignore the return code; if it fails, too bad */
@@ -984,7 +985,8 @@ static int i2c_do_del_adapter(struct i2c_driver *driver,
 
        if (!driver->detach_adapter)
                return 0;
-       dev_warn(&adapter->dev, "detach_adapter method is deprecated\n");
+       dev_warn(&adapter->dev, "%s: detach_adapter method is deprecated\n",
+                driver->driver.name);
        res = driver->detach_adapter(adapter);
        if (res)
                dev_err(&adapter->dev, "detach_adapter failed (%d) "