linux-kernel - Re: [PATCH] staging: greybus: Parenthesis alignment

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Date:   Wed, 21 Nov 2018 15:58:53 +1100
From:   NeilBrown <neilb@...e.com>
To:     Joe Perches <joe@...ches.com>,
        Cristian Sicilia <sicilia.cristian@...il.com>,
        Vaibhav Hiremath <hvaibhav.linux@...il.com>,
        Johan Hovold <johan@...nel.org>, Alex Elder <elder@...nel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Vaibhav Agarwal <vaibhav.sr@...il.com>,
        Mark Greer <mgreer@...malcreek.com>,
        Rui Miguel Silva <rmfrfs@...il.com>,
        David Lin <dtwlin@...il.com>
Cc:     Viresh Kumar <vireshk@...nel.org>,
        Bryan O'Donoghue <pure.logic@...us-software.ie>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] staging: greybus: Parenthesis alignment

On Sun, Nov 18 2018, Joe Perches wrote:

> On Sun, 2018-11-18 at 20:28 +0100, Cristian Sicilia wrote:
>> Some parameters are aligned with parentheses.
>> Some parentheses are opened at end of line.
>
> Given the very long identifier lengths, I wouldn't
> consider many of these appropriate.
>
> 80 column line lengths and long identifiers don't
> play well together.
>
>> diff --git a/drivers/staging/greybus/audio_codec.c b/drivers/staging/greybus/audio_codec.c
>
> []
>> @@ -70,7 +70,7 @@ static int gbaudio_module_enable_tx(struct gbaudio_codec_info *codec,
>>  		i2s_port = 0;	/* fixed for now */
>>  		cportid = data->connection->hd_cport_id;
>>  		ret = gb_audio_apbridgea_register_cport(data->connection,
>> -						i2s_port, cportid,
>> +							i2s_port, cportid,
>>  						AUDIO_APBRIDGEA_DIRECTION_TX);

My preferred formatting in this situation is

  		ret = gb_audio_apbridgea_register_cport(
                	data->connection,
 			i2s_port, cportid,
			AUDIO_APBRIDGEA_DIRECTION_TX);

but checkpatch doesn't like the '(' at the end of the line.
Do you know why that is?

Thanks,
NeilBrown


>
> But if you are going to do this for multiple line
> statements, please fix all the line continuations of
> the statement, not just the first.
>
>>  		if (ret) {
>>  			dev_err_ratelimited(module->dev,
>> @@ -160,7 +160,7 @@ static int gbaudio_module_disable_tx(struct gbaudio_module_info *module, int id)
>>  		i2s_port = 0;	/* fixed for now */
>>  		cportid = data->connection->hd_cport_id;
>>  		ret = gb_audio_apbridgea_unregister_cport(data->connection,
>> -						i2s_port, cportid,
>> +							  i2s_port, cportid,
>>  						AUDIO_APBRIDGEA_DIRECTION_TX);
>
> etc...

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