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authorWolfram Sang <wsa-dev@sang-engineering.com>2016-07-09 13:35:00 +0900
committerWolfram Sang <wsa@the-dreams.de>2016-07-14 22:07:17 +0900
commit8ddfe4108e0a160f078adc96827e3809beb4d451 (patch)
tree1497855d919c8e6456e0593e1179d56275e03645
parentd3b11d8380d05e3121e2694af0dd95e7f63399bd (diff)
i2c: improve error messages in i2c_register_adapter()
Switch to WARN if no adapter name is given, otherwise we won't know who missed to do that. Add error message if device registration fails. Update error message for missing algo to match style of the others. Signed-off-by: Wolfram Sang <wsa-dev@sang-engineering.com> Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
-rw-r--r--drivers/i2c/i2c-core.c16
1 files changed, 8 insertions, 8 deletions
diff --git a/drivers/i2c/i2c-core.c b/drivers/i2c/i2c-core.c
index ef6def72a654..8e07e3be4880 100644
--- a/drivers/i2c/i2c-core.c
+++ b/drivers/i2c/i2c-core.c
@@ -1604,14 +1604,11 @@ static int i2c_register_adapter(struct i2c_adapter *adap)
}
/* Sanity checks */
- if (unlikely(adap->name[0] == '\0')) {
- pr_err("i2c-core: Attempt to register an adapter with "
- "no name!\n");
+ if (WARN(!adap->name[0], "i2c adapter has no name"))
goto out_list;
- }
- if (unlikely(!adap->algo)) {
- pr_err("i2c-core: Attempt to register adapter '%s' with "
- "no algo!\n", adap->name);
+
+ if (!adap->algo) {
+ pr_err("i2c-core: adapter '%s': no algo supplied!\n", adap->name);
goto out_list;
}
@@ -1634,8 +1631,11 @@ static int i2c_register_adapter(struct i2c_adapter *adap)
adap->dev.bus = &i2c_bus_type;
adap->dev.type = &i2c_adapter_type;
res = device_register(&adap->dev);
- if (res)
+ if (res) {
+ pr_err("i2c-core: adapter '%s': can't register device (%d)\n",
+ adap->name, res);
goto out_list;
+ }
dev_dbg(&adap->dev, "adapter [%s] registered\n", adap->name);