linux-kernel - Re: [PATCH 2/4] Staging: rts5208: Use standard print_hex_dump

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Date:	Sun, 06 Jul 2014 09:23:07 -0700
From:	Joe Perches <joe@...ches.com>
To:	Fabio Falzoi <fabio.falzoi84@...il.com>
Cc:	gregkh@...uxfoundation.org, devel@...verdev.osuosl.org,
	linux-kernel@...r.kernel.org, wei_wang@...lsil.com.cn,
	micky_ching@...lsil.com.cn
Subject: Re: [PATCH 2/4] Staging: rts5208: Use standard print_hex_dump_debug

On Sun, 2014-07-06 at 18:12 +0200, Fabio Falzoi wrote:
> Use print_hex_dump_debug to have memory properly dumped only when dynamic
> debug is enabled.

Not true.
Now it prints all the time when !CONFIG_DYNAMIC_DEBUG
and CONFIG_PRINTK.

> diff --git a/drivers/staging/rts5208/trace.h b/drivers/staging/rts5208/trace.h
[]
> -#ifdef CONFIG_RTS5208_DEBUG
> -#define RTSX_DUMP(buf, buf_len)					\
> -	print_hex_dump(KERN_DEBUG, KBUILD_MODNAME ": ",		\
> -		       DUMP_PREFIX_NONE, 16, 1, (buf), (buf_len), false)
> -#else
> -#define RTSX_DUMP(buf, buf_len)
> -#endif
> -
>  #endif  /* __REALTEK_RTSX_TRACE_H */

Before it would not print at all if !CONFIG_RTS5208_DEBUG.

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