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 <nishadkam...@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
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