linux-kernel - Re: [PATCH] mei: trace: Remove unused TRACE_SYSTEM

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Date:	Mon, 13 Apr 2015 18:56:19 +0200
From:	Greg KH <greg@...ah.com>
To:	Steven Rostedt <rostedt@...dmis.org>
Cc:	Stephen Rothwell <sfr@...b.auug.org.au>,
	Arnd Bergmann <arnd@...db.de>, linux-next@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Tomas Winkler <tomas.winkler@...el.com>
Subject: Re: [PATCH] mei: trace: Remove unused TRACE_SYSTEM_STRING define

On Mon, Apr 13, 2015 at 12:07:27PM -0400, Steven Rostedt wrote:
> TRACE_SYSTEM_STRING is defined in mei-trace.h but is unused. Worse yet,
> the ftrace tracing infrastructure is using it now and this causes
> warnings about redefined macros.
> 
> Remove the define of TRACE_SYSTEM_STRING from mei-trace.h
> 
> Link: http://lkml.kernel.org/r/20150413193720.56083fbf@canb.auug.org.au
> 
> Reported-by: Stephen Rothwell <sfr@...b.auug.org.au>
> Signed-off-by: Steven Rostedt <rostedt@...dmis.org>
> ---
> diff --git a/drivers/misc/mei/mei-trace.h b/drivers/misc/mei/mei-trace.h
> index 5f4e1a17360b..c9e24d2b698a 100644
> --- a/drivers/misc/mei/mei-trace.h
> +++ b/drivers/misc/mei/mei-trace.h
> @@ -26,7 +26,6 @@
>  #undef TRACE_SYSTEM
>  
>  #define TRACE_SYSTEM mei
> -#define TRACE_SYSTEM_STRING __stringify(TRACE_SYSTEM)
>  
>  TRACE_EVENT(mei_reg_read,
>  	TP_PROTO(const struct device *dev, const char *reg, u32 offs, u32 val),

This is already in my tree, and will show up in the next linux-next :)

thanks,

greg k-h
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