linux-kernel - Re: [PATCH v1 1/1] hwmon: (occ) Replace open-coded variant of %*phN specifier

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Date:   Tue, 2 Aug 2022 14:51:18 -0500
From:   Eddie James <eajames@...ux.ibm.com>
To:     Guenter Roeck <linux@...ck-us.net>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        linux-hwmon@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     Jean Delvare <jdelvare@...e.com>
Subject: Re: [PATCH v1 1/1] hwmon: (occ) Replace open-coded variant of %*phN
 specifier


On 7/26/22 10:05, Guenter Roeck wrote:
> On 7/26/22 07:31, Andy Shevchenko wrote:
>> printf()-like functions in the kernel have extensions, such as
>> %*phN to dump small pieces of memory as hex bytes.
>>
>> Replace custom approach with the direct use of %*phN.
>>
>> Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>


Email was acting up so I missed this at the time. Thanks Andy!


>
> Applied.
>
> Thanks,
> Guenter
>
>> ---
>>   drivers/hwmon/occ/common.c | 8 ++------
>>   1 file changed, 2 insertions(+), 6 deletions(-)
>>
>> diff --git a/drivers/hwmon/occ/common.c b/drivers/hwmon/occ/common.c
>> index 157b73a3da29..45407b12db4b 100644
>> --- a/drivers/hwmon/occ/common.c
>> +++ b/drivers/hwmon/occ/common.c
>> @@ -729,18 +729,14 @@ static ssize_t occ_show_extended(struct device 
>> *dev,
>>               rc = sysfs_emit(buf, "%u",
>> get_unaligned_be32(&extn->sensor_id));
>>           } else {
>> -            rc = sysfs_emit(buf, "%02x%02x%02x%02x\n",
>> -                    extn->name[0], extn->name[1],
>> -                    extn->name[2], extn->name[3]);
>> +            rc = sysfs_emit(buf, "%4phN\n", extn->name);
>>           }
>>           break;
>>       case 1:
>>           rc = sysfs_emit(buf, "%02x\n", extn->flags);
>>           break;
>>       case 2:
>> -        rc = sysfs_emit(buf, "%02x%02x%02x%02x%02x%02x\n",
>> -                extn->data[0], extn->data[1], extn->data[2],
>> -                extn->data[3], extn->data[4], extn->data[5]);
>> +        rc = sysfs_emit(buf, "%6phN\n", extn->data);
>>           break;
>>       default:
>>           return -EINVAL;
>