[PATCHv3 1/3] Add support for GMT G762/G763 PWM fan controller
Arnaud Ebalard
arno at natisbad.org
Tue Jun 4 02:54:23 EDT 2013
Hi,
Guenter Roeck <linux at roeck-us.net> writes:
> On Sun, Jun 02, 2013 at 10:14:19PM +0200, Arnaud Ebalard wrote:
>>
>> Signed-off-by: Arnaud Ebalard <arno at natisbad.org>
>> ---
>> drivers/hwmon/Kconfig | 10 +
>> drivers/hwmon/Makefile | 1 +
>> drivers/hwmon/g762.c | 1179 ++++++++++++++++++++++++++++++++++++
>> include/linux/platform_data/g762.h | 51 ++
>> 4 files changed, 1241 insertions(+)
>> create mode 100644 drivers/hwmon/g762.c
>> create mode 100644 include/linux/platform_data/g762.h
>>
> [ ... ]
>
>> +static inline int g762_read_byte(const struct i2c_client *client, u8 reg,
>> + u8 *dest)
>> +{
>> + int ret;
>> +
>> + ret = i2c_smbus_read_byte_data(client, reg);
>> + if (ret < 0) {
>> + dev_err(&client->dev, "failed to read reg %x02x, err %d\n",
>> + (int)reg, ret);
>
> I would suggest to write a piece of test code for the above statement and
> observe its output. "printf("%x02x\n", 0x1234);" should do.
good catch. s/%x02x/0x%02x/.
> Is the error message really needed ? If there is a persistent error,
> it will clog the log.
I removed it in v4 to come.
Cheers,
a+
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