[v2,01/21] usb: phy: use match_string() helper

[Andy Shevchenko <andy.shevchenko@gmail.com>]

On Thu, May 31, 2018 at 9:56 PM, Sergei Shtylyov
<sergei.shtylyov@cogentembedded.com> wrote:
> On 05/31/2018 09:47 PM, Andy Shevchenko wrote:

>>>> -     int err, i;

>>>> +     err = match_string(usbphy_modes, ARRAY_SIZE(usbphy_modes), phy_type);
>>>> +     if (err < 0)
>>>
>>>    This is one of the few cases when 'err' is not the best name for such a
>>> variable. I'd prefer to see something like 'match' or even 'rc' or 'ret'... :-)
>>
>> Then leaving i would make it?
>    Yes. :-)

So, I leave it to Greg to decide either it's okay in this version, or
needs update with i left untouched.

>> I'm okay with either which just not renames err, b/c it's used with
>> something else in this function.
>
>    Looking at it again, 'err' seems equally bad for the result of
> of_property_read_string()... unless the check there is changed to just *if* (err) --
> this function never returns positive values, 0 means success, others mean error.

While you seems right, this is matter of another change which you are
welcome to propose.