linux-kernel - Re: [PATCH 6/6] staging: media: atomisp: use printk with KERN facility level

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Message-ID: <20210420171353.GA193332@localhost>
Date:   Tue, 20 Apr 2021 22:43:53 +0530
From:   Deepak R Varma <mh12gx2825@...il.com>
To:     Fabio Aiuto <fabioaiuto83@...il.com>
Cc:     Mauro Carvalho Chehab <mchehab@...nel.org>,
        Sakari Ailus <sakari.ailus@...ux.intel.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        linux-media@...r.kernel.org, linux-staging@...ts.linux.dev,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 6/6] staging: media: atomisp: use printk with KERN
 facility level

On Tue, Apr 20, 2021 at 10:35:23AM +0200, Fabio Aiuto wrote:
> Hi Deepak,
> 
> On Tue, Apr 20, 2021 at 12:46:40AM +0530, Deepak R Varma wrote:
> > printk() without KERN_<LEVEL> facility is flagged by checkpatch as a
> > warning. It is better to use pr_info() which comes with an
> > inbuilt KERN_INFO level.
> > 
> > Signed-off-by: Deepak R Varma <drv@...lo.com>
> > ---
> >  drivers/staging/media/atomisp/i2c/atomisp-gc0310.c | 2 +-
> >  1 file changed, 1 insertion(+), 1 deletion(-)
> > 
> > diff --git a/drivers/staging/media/atomisp/i2c/atomisp-gc0310.c b/drivers/staging/media/atomisp/i2c/atomisp-gc0310.c
> > index b572551f1a0d..a0f3c5c32f94 100644
> > --- a/drivers/staging/media/atomisp/i2c/atomisp-gc0310.c
> > +++ b/drivers/staging/media/atomisp/i2c/atomisp-gc0310.c
> > @@ -1020,7 +1020,7 @@ static int gc0310_set_fmt(struct v4l2_subdev *sd,
> >  		return -EINVAL;
> >  	}
> >  
> > -	printk("%s: before gc0310_write_reg_array %s\n", __func__,
> > +	pr_info("%s: before gc0310_write_reg_array %s\n", __func__,
> >  	       gc0310_res[dev->fmt_idx].desc);
> 
> in a driver is best recommended to replace a raw printk call
> with a dev_*() log. Check few lines above here to see
> how it is done.

Hello Fabio,
thank you for the feedback. Should I resubmit this patch with additional
printk() / pr_info() replacement by dev_*()? OR send in a new patch with
this change? Just want to make sure I am not including more than one
change type in the patch.

deepak.

> 
> 
> >  	ret = startup(sd);
> >  	if (ret) {
> > -- 
> > 2.25.1
> > 
> > 
> 
> 
> thank you,
> 
> fabio