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SubjectRe: [PATCH v2] staging: mt7621-mmc: Fix debug macros in dbg.h
On Sat, Aug 18, 2018 at 01:49:23PM +0200, Greg Kroah-Hartman wrote:
> On Sat, Aug 18, 2018 at 05:13:17PM +0530, Nishad Kamdar wrote:
> > Fixed four debug macros by replacing printk with dev_<level>
> > without __func__ or __LINE__ or current->comm and current->pid.
> > Further removed the do {} while(0) loop for single statement
> > macro. Issues found by checkpatch.
> >
> > Signed-off-by: Nishad Kamdar <nishadkamdar@gmail.com>
> > ---
> > Changes in v2:
> > - Replace printk with dev_<level>.
> > - Remove __func__, __LINE__, current->comm, current->pid from arguments.
> > - Remove the do {} while(0) loop from these macros.
> > - Modify commit message to include other changes.
> > ---
> > drivers/staging/mt7621-mmc/dbg.h | 26 +++++++-------------------
> > 1 file changed, 7 insertions(+), 19 deletions(-)
> >
> > diff --git a/drivers/staging/mt7621-mmc/dbg.h b/drivers/staging/mt7621-mmc/dbg.h
> > index 2f2c56b73987..e8091db3c1d6 100644
> > --- a/drivers/staging/mt7621-mmc/dbg.h
> > +++ b/drivers/staging/mt7621-mmc/dbg.h
> > @@ -104,19 +104,13 @@ do { \
> >
> > #define N_MSG(evt, fmt, args...)
> > /*
> > -do { \
> > - if ((DBG_EVT_##evt) & sd_debug_zone[host->id]) { \
> > - printk(KERN_ERR TAG"%d -> "fmt" <- %s() : L<%d> PID<%s><0x%x>\n", \
> > - host->id, ##args , __FUNCTION__, __LINE__, current->comm, current->pid); \
> > - } \
> > -} while(0)
> > -*/
> > + *if ((DBG_EVT_##evt) & sd_debug_zone[host->id]) { \
> > + * dev_err(mmc_dev(host->mmc), "%d -> " fmt "\n", host->id, ##args) \
> > + *}
> > + */
>
> This can just be deleted, just drop it.
>
> >
> > #define ERR_MSG(fmt, args...) \
> > -do { \
> > - printk(KERN_ERR TAG"%d -> "fmt" <- %s() : L<%d> PID<%s><0x%x>\n", \
> > - host->id, ##args, __FUNCTION__, __LINE__, current->comm, current->pid); \
> > -} while (0);
> > +dev_err(mmc_dev(host->mmc), "%d -> " fmt "\n", host->id, ##args)
>
> No, please just replace all usages of ERR_MSG with dev_err() in the code
> itself, and then drop ERR_MSG. No driver/subsystem should have special
> macros just for it.
>
> > #if 1
> > //defined CONFIG_MTK_MMC_CD_POLL
> > @@ -124,17 +118,11 @@ do { \
> > #define IRQ_MSG(fmt, args...)
> > #else
> > #define INIT_MSG(fmt, args...) \
> > -do { \
> > - printk(KERN_ERR TAG"%d -> "fmt" <- %s() : L<%d> PID<%s><0x%x>\n", \
> > - host->id, ##args, __FUNCTION__, __LINE__, current->comm, current->pid); \
> > -} while (0);
> > +dev_err(mmc_dev(host->mmc), "%d -> " fmt "\n", host->id, ##args)
>
> Same here. Actually I bet all INIT_MSG can just be removed :)
>
> >
> > /* 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);
> > +dev_err(mmc_dev(host->mmc), "%d -> " fmt "\n", host->id, ##args)
>
> Same here, just replace the usage of these macros with the real thing.
>
> thanks,
>
> greg k-h

Ok, I will make the changes in the next version.

thanks for the review.

regards,
nishad

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