Re: [PATCH 3/5] usb: Convert dbg to pr_eliminated and pr_debug

[Paul Mundt]

On Sun, Jun 17, 2012 at 07:25:10PM -0700, Joe Perches wrote:
> Change the dbg macro to use pr_eliminated when not
> DEBUG and pr_debug with DEBUG so dynamic_debug can
> be used.
> 
> Signed-off-by: Joe Perches <joe@xxxxxxxxxxx>
> ---
>  include/linux/usb.h |   12 +++++-------
>  1 files changed, 5 insertions(+), 7 deletions(-)
> 
> diff --git a/include/linux/usb.h b/include/linux/usb.h
> index f717fbd..56b88b8 100644
> --- a/include/linux/usb.h
> +++ b/include/linux/usb.h
> @@ -1714,14 +1714,12 @@ extern void usb_register_notify(struct notifier_block *nb);
>  extern void usb_unregister_notify(struct notifier_block *nb);
>  
>  #ifdef DEBUG
> -#define dbg(format, arg...)						\
> -	printk(KERN_DEBUG "%s: " format "\n", __FILE__, ##arg)
> +#define dbg(format, ...)						\
> +	pr_debug("%s: " format "\n", __FILE__, ##__VA_ARGS__)
>  #else
> -#define dbg(format, arg...)						\
> -do {									\
> -	if (0)								\
> -		printk(KERN_DEBUG "%s: " format "\n", __FILE__, ##arg); \
> -} while (0)
> +#define dbg(format, ...)						\
> +	printk_eliminated(KERN_DEBUG "%s: " format "\n",		\
> +			  __FILE__, ##__VA_ARGS)
>  #endif
>  
Either you didn't test this or your API needs to be punched in the face.

The interface you just added is eliminated_printk(), I sure hope the
above is a typo and you don't actually also have a printk_eliminated().
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