linux-kernel - Re: [PATCH] staging: ralink-gdma: Fix checkpatch.pl CHECK

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Message-ID: <20210210123553.bzkipyhvedvlcvcc@xps.yggdrail>
Date:   Wed, 10 Feb 2021 18:05:53 +0530
From:   Aakash Hemadri <aakashhemadri123@...il.com>
To:     Dan Carpenter <dan.carpenter@...cle.com>
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        devel@...verdev.osuosl.org,
        linux-kernel-mentees@...ts.linuxfoundation.org,
        linux-kernel@...r.kernel.org,
        Shuah Khan <skhan@...uxfoundation.org>
Subject: Re: [PATCH] staging: ralink-gdma: Fix checkpatch.pl CHECK

On 21/02/10 03:19PM, Dan Carpenter wrote:
> On Wed, Feb 10, 2021 at 05:33:48PM +0530, Aakash Hemadri wrote:
> > Remove CHECK: Lines should not end with a '('
> >
> > Signed-off-by: Aakash Hemadri <aakashhemadri123@...il.com>
> > ---
> >
> >  drivers/staging/ralink-gdma/ralink-gdma.c | 28 ++++++++++++-----------
> >  1 file changed, 15 insertions(+), 13 deletions(-)
> >
> > diff --git a/drivers/staging/ralink-gdma/ralink-gdma.c b/drivers/staging/ralink-gdma/ralink-gdma.c
> > index 655df317d0ee..a11f915f3308 100644
> > --- a/drivers/staging/ralink-gdma/ralink-gdma.c
> > +++ b/drivers/staging/ralink-gdma/ralink-gdma.c
> > @@ -135,8 +135,7 @@ struct gdma_data {
> >  	int (*start_transfer)(struct gdma_dmaengine_chan *chan);
> >  };
> >
> > -static struct gdma_dma_dev *gdma_dma_chan_get_dev(
> > -	struct gdma_dmaengine_chan *chan)
> > +static struct gdma_dma_dev *gdma_dma_chan_get_dev(struct gdma_dmaengine_chan *chan)
> >  {
> >  	return container_of(chan->vchan.chan.device, struct gdma_dma_dev,
> >  		ddev);
> > @@ -510,10 +509,11 @@ static void gdma_dma_issue_pending(struct dma_chan *c)
> >  	spin_unlock_irqrestore(&chan->vchan.lock, flags);
> >  }
> >
> > -static struct dma_async_tx_descriptor *gdma_dma_prep_slave_sg(
> > -		struct dma_chan *c, struct scatterlist *sgl,
> > -		unsigned int sg_len, enum dma_transfer_direction direction,
> > -		unsigned long flags, void *context)
> > +static struct dma_async_tx_descriptor
> > +	*gdma_dma_prep_slave_sg(struct dma_chan *c, struct scatterlist *sgl,
>
> Don't do it like this...  The original code is better so, I guess, lets
> leave it as is.  There are two accepted ways to start a function in the
> kernel:
>
> ONE:
> static type
> function_name(paramenters)
>
> TWO
> static type function_name(paramenters)
>
> Either option will let you grep for the names of the functions:
>
> 	egrep "^[a-zA-Z]" dir/file.c | grep '('
>
> regards,
> dan carpenter
>
>

Appreciate the explanation,
Will drop it

thanks,
aakash hemadri