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From: Greg KH <gregkh@linuxfoundation.org>
To: Joe Perches <joe@perches.com>
Cc: Michalis Pappas <mpappas@fastmail.fm>,
	devel@driverdev.osuosl.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] staging: gdm72xx: conditionally compile debug code
Date: Wed, 16 Jul 2014 15:57:42 -0700	[thread overview]
Message-ID: <20140716225742.GA2983@kroah.com> (raw)
In-Reply-To: <1405550769.6381.17.camel@joe-AO725>

On Wed, Jul 16, 2014 at 03:46:09PM -0700, Joe Perches wrote:
> On Wed, 2014-07-16 at 15:10 -0700, Greg KH wrote:
> > On Wed, Jul 16, 2014 at 11:03:06PM +0100, Michalis Pappas wrote:
> []
> > > Ok, I agree on the ifdef stuff. My question was regarding your
> > > suggestion above to replace print_hex_debug() with dev_dbg()
> > 
> > You want the device name/id/label to show up as well, that is why you
> > should use the dev_dbg() version, print_hex_dump() does not take a
> > struct device *, so the user has no idea what device this data was
> > coming from.
> 
> But Michalis could alway add something like:
> 	dev_hex_dump()
> and
> 	dev_dbg_hex_dump()
> 

With the built-in "hex dump primitive" in printk(), why would you want
to do that?  You shouldn't be putting more than 64 bytes in a single
printk message in a hex dump, if you want to do more, use debugfs.

thanks,

greg k-h


  reply	other threads:[~2014-07-16 22:57 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-07-01 13:00 [PATCH] staging: gdm72xx: remove unused code Michalis Pappas
2014-07-01 13:00 ` [PATCH] staging: gdm72xx: conditionally compile debug code Michalis Pappas
     [not found]   ` <CAC5Y2nPGyByqLEM1Go6Pxpb6MhiJy2Fvu=eEz6ak24gMhayk=A@mail.gmail.com>
2014-07-01 16:40     ` Michalis Pappas
     [not found]       ` <CAC5Y2nOvJ2=u7-T53kHd50AfQ7Mo_U4qvD_=si9=NSr_q0w3NA@mail.gmail.com>
2014-07-03 17:27         ` Michalis Pappas
2014-07-09 18:51   ` Greg KH
2014-07-09 19:52     ` Michalis Pappas
2014-07-09 20:24       ` Greg KH
2014-07-16 20:40     ` Michalis Pappas
2014-07-16 20:50       ` Greg KH
2014-07-16 22:03         ` Michalis Pappas
2014-07-16 22:10           ` Greg KH
2014-07-16 22:46             ` Joe Perches
2014-07-16 22:57               ` Greg KH [this message]
2014-07-17  0:19                 ` Joe Perches
2014-07-01 13:00 ` [PATCH] staging: gdm72xx: move T_CAPABILITY bit definitions to hci.h Michalis Pappas
2014-07-01 15:37   ` Ben Chan
2014-07-01 16:25     ` Michalis Pappas
2014-07-02 10:18   ` [PATCH V2] staging: gdm72xx: move T_CAPABILITY " Michalis Pappas
2014-07-09 10:26     ` Dan Carpenter
2014-07-09 18:24       ` Michalis Pappas
2014-07-09 18:31         ` [PATCH v3] " Michalis Pappas
2014-07-09 18:57           ` Greg KH
2014-07-09 19:21             ` [PATCH v4] " Michalis Pappas

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