linux-kernel.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Aleksa Zdravkovic <alex.zdravkovic98@gmail.com>
To: Joe Perches <joe@perches.com>, Dan Carpenter <dan.carpenter@oracle.com>
Cc: gregkh@linuxfoundation.org, devel@driverdev.osuosl.org,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH] staging: axis-fifo: Fix line over 80 characters error
Date: Thu, 25 Oct 2018 16:44:02 +0200	[thread overview]
Message-ID: <20181025144401.GA27089@zdravcePC> (raw)
In-Reply-To: <cc426006c1d69f9fd464afe96a62e9e745b2078b.camel@perches.com>

On Wed, Oct 24, 2018 at 11:18:17PM -0700, Joe Perches wrote:
> On Thu, 2018-10-25 at 09:05 +0300, Dan Carpenter wrote:
> > On Wed, Oct 24, 2018 at 05:05:53PM +0200, Aleksa Zdravkovic wrote:
> > > This patch fixes the checkpatch.pl warning:
> []
> > > diff --git a/drivers/staging/axis-fifo/axis-fifo.c b/drivers/staging/axis-fifo/axis-fifo.c
> []
> > > @@ -482,10 +482,10 @@ static ssize_t axis_fifo_write(struct file *f, const char __user *buf,
> > >  		spin_lock_irq(&fifo->write_queue_lock);
> > >  		ret = wait_event_interruptible_lock_irq_timeout
> > >  			(fifo->write_queue,
> > > -			 ioread32(fifo->base_addr + XLLF_TDFV_OFFSET)
> > > +			ioread32(fifo->base_addr + XLLF_TDFV_OFFSET)
> > >  				>= words_to_write,
> > > -			 fifo->write_queue_lock,
> > > -			 (write_timeout >= 0) ? msecs_to_jiffies(write_timeout) :
> > > +			fifo->write_queue_lock,
> > > +			(write_timeout >= 0) ? msecs_to_jiffies(write_timeout) :
> > >  				MAX_SCHEDULE_TIMEOUT);
> > 
> > The original was fine.  Just leave it.
> > 
> > Checkpatch.pl is only useful if it improves the readability for humans.
> 
> True, but I think the original is just OK.
> 
> Any suggestion on how to make the thing better?
> 
> wait_event_interruptible_lock_irq_timeout is a fairly long
> identifier with multiple long arguments.
> 
> It's as if it should be written here as
> 
>  		ret = wait_event_interruptible_lock_irq_timeout(fifo->write_queue,
> 								ioread32(fifo->base_addr + XLLF_TDFV_OFFSET) >= words_to_write,
> 								fifo->write_queue_lock,
> 								write_timeout >= 0 ? msecs_to_jiffies(write_timeout) : MAX_SCHEDULE_TIMEOUT);
> 
> where the longest is way over 80 chars, (140?) but I simply don't care
> because it's just that much more readable for me.
> 
> 

Thank you Dan and Joe for your feedback.

I don't have any suggestion how to improve this code otherwise.
I will try to find a way to improve it. Maybe we can define some
macros but I don't think it would help much.



      reply	other threads:[~2018-10-25 14:44 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-10-24 15:05 Aleksa Zdravkovic
2018-10-25  6:05 ` Dan Carpenter
2018-10-25  6:18   ` Joe Perches
2018-10-25 14:44     ` Aleksa Zdravkovic [this message]

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20181025144401.GA27089@zdravcePC \
    --to=alex.zdravkovic98@gmail.com \
    --cc=dan.carpenter@oracle.com \
    --cc=devel@driverdev.osuosl.org \
    --cc=gregkh@linuxfoundation.org \
    --cc=joe@perches.com \
    --cc=linux-kernel@vger.kernel.org \
    --subject='Re: [PATCH] staging: axis-fifo: Fix line over 80 characters error' \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).