linux-kernel - Re: [PATCH v6 3/3] staging: mt7621-mmc: Fix debug macro IRQ

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Message-ID: <20180915022949.GA14300@nishad>
Date:   Sat, 15 Sep 2018 07:59:51 +0530
From:   Nishad Kamdar <nishadkamdar@...il.com>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     Joe Perches <joe@...ches.com>, NeilBrown <neil@...wn.name>,
        devel@...verdev.osuosl.org,
        Christian Lütke-Stetzkamp <christian@...mp.de>,
        linux-kernel@...r.kernel.org, John Crispin <blogic@...nwrt.org>,
        Dan Carpenter <dan.carpenter@...cle.com>
Subject: Re: [PATCH v6 3/3] staging: mt7621-mmc: Fix debug macro IRQ_MSG and
 its usages

On Mon, Sep 10, 2018 at 05:05:13PM +0200, Greg Kroah-Hartman wrote:
> On Sat, Sep 01, 2018 at 03:51:10AM +0530, Nishad Kamdar wrote:
> > Replace all usages of IRQ_MSG with with dev_<level> without __func__
> > or __LINE__ or current->comm and current->pid. Remove the do {}
> > while(0) loop for the single statement macro. Drop IRQ_MSG from dbg.h.
> > Issue found by checkpatch.
> > 
> > Signed-off-by: Nishad Kamdar <nishadkamdar@...il.com>
> > ---
> > Changes in v6:
> >   - No change
> > Changes in v5:
> >   - No change
> > ---
> >  drivers/staging/mt7621-mmc/dbg.h | 12 -----------
> >  drivers/staging/mt7621-mmc/sd.c  | 36 ++++++++++++++++++++++++--------
> >  2 files changed, 27 insertions(+), 21 deletions(-)
> > 
> > diff --git a/drivers/staging/mt7621-mmc/dbg.h b/drivers/staging/mt7621-mmc/dbg.h
> > index 79914d98c573..4ab9f10dccc2 100644
> > --- a/drivers/staging/mt7621-mmc/dbg.h
> > +++ b/drivers/staging/mt7621-mmc/dbg.h
> > @@ -102,18 +102,6 @@ do { \
> >  } while (0)
> >  #endif /* end of +++ */
> >  
> > -#if 1
> > -//defined CONFIG_MTK_MMC_CD_POLL
> > -#define IRQ_MSG(fmt, args...)
> 
> So right now this define does nothing, yet:
> 
> > -#else
> > -/* PID in ISR in not corrent */
> > -#define IRQ_MSG(fmt, args...) \
> > -do { \
> > -	printk(KERN_ERR TAG"%d -> "fmt" <- %s() : L<%d>\n",	\
> > -	       host->id,  ##args, __FUNCTION__, __LINE__);	\
> > -} while (0);
> > -#endif
> > -
> >  void msdc_debug_proc_init(void);
> >  
> >  #if 0 /* --- chhung */
> > diff --git a/drivers/staging/mt7621-mmc/sd.c b/drivers/staging/mt7621-mmc/sd.c
> > index 7474f9ed7b5b..f3ae19fe0f76 100644
> > --- a/drivers/staging/mt7621-mmc/sd.c
> > +++ b/drivers/staging/mt7621-mmc/sd.c
> > @@ -279,7 +279,9 @@ static void msdc_tasklet_card(struct work_struct *work)
> >  		mmc_detect_change(host->mmc, msecs_to_jiffies(20));
> >  	}
> >  
> > -	IRQ_MSG("card found<%s>", inserted ? "inserted" : "removed");
> > +	dev_err(mmc_dev(host->mmc),
> > +		"%d -> card found<%s>\n",
> > +		host->id, inserted ? "inserted" : "removed");
> 
> You are now printing out lots of "errors" that really are not errors.
> 
> As these messages are not being printed at all right now, why not just
> delete these as well?
> 
> Your first 2 patches do look good, I've queued them up now.
> 
> thanks,
> 
> greg k-h

Ok, I'll do that.

Thanks for the review.

regards,
nishad