Re: [PATCH v6 3/9] pinctrl: actions: Add Actions S900 pinctrl driver

From: Andy Shevchenko
Date: Fri Apr 06 2018 - 10:01:16 EST


On Tue, Apr 3, 2018 at 8:00 PM, Manivannan Sadhasivam
<manivannan.sadhasivam@xxxxxxxxxx> wrote:

>> > +static const struct pinconf_ops owl_pinconf_ops = {
>> > + .is_generic = true,
>> > + .pin_config_get = owl_pin_config_get,
>> > + .pin_config_set = owl_pin_config_set,
>> > + .pin_config_group_get = owl_group_config_get,
>> > + .pin_config_group_set = owl_group_config_set
>>
>> It's still good idea to leave comma here...

> I'm confused. What is the criteria for removing/keeping comma for last member
> of struct? I followed your gpio driver suggestion.

Just a common sense and experience are talking here: from time to time
some structures are being expanded and in some cases it requires to
update users. The comma just reduces a possible burden on this
expansion.
This is common pattern used in kernel.

>> > +};
>> > +
>> > +static struct pinctrl_desc owl_pinctrl_desc = {
>> > + .pctlops = &owl_pinctrl_ops,
>> > + .pmxops = &owl_pinmux_ops,
>> > + .confops = &owl_pinconf_ops,
>> > + .owner = THIS_MODULE
>>
>> ...and here, and in all similar places.
>>
>> > +};

--
With Best Regards,
Andy Shevchenko