linux-kernel - Re: [PATCH v3 2/4] Staging: rts5208: Replace custom macro with print_hex_dump

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Message-ID: <1404870498.932.79.camel@joe-AO725>
Date:	Tue, 08 Jul 2014 18:48:18 -0700
From:	Joe Perches <joe@...ches.com>
To:	Greg KH <gregkh@...uxfoundation.org>
Cc:	Fabio Falzoi <fabio.falzoi84@...il.com>,
	devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org,
	dan.carpenter@...cle.com, wei_wang@...lsil.com.cn,
	micky_ching@...lsil.com.cn
Subject: Re: [PATCH v3 2/4] Staging: rts5208: Replace custom macro with
 print_hex_dump_bytes

On Tue, 2014-07-08 at 16:45 -0700, Greg KH wrote:
> On Tue, Jul 08, 2014 at 11:38:30PM +0200, Fabio Falzoi wrote:
> > Use print_hex_dump_bytes to have memory properly dumped only when
> > DEBUG is defined.
[]
> > diff --git a/drivers/staging/rts5208/trace.h b/drivers/staging/rts5208/trace.h
[]
> > @@ -82,12 +82,11 @@ static inline char *filename(char *path)
[]
> > +static inline void rtsx_hex_dump(const void *buf, size_t len)
> > +{
> > +#ifdef DEBUG
> > +	print_hex_dump_bytes(KBUILD_MODNAME ": ", DUMP_PREFIX_NONE, buf, len);
> >  #endif
> > +}
> 
> What a mess.  What's wrong with just using the %*ph modifier in
> dev_dbg() like other drivers do?

Dunno.
Is it ever desired to emit more than 64 bytes of buf?


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