From mboxrd@z Thu Jan  1 00:00:00 1970
From: Vinod Koul <vinod.koul@intel.com>
Date: Thu, 10 Jul 2014 15:21:29 +0000
Subject: Re: [PATCH] dma: sh: inherit debug options from the subsystem for sh
Message-Id: <20140710150929.GF2296@intel.com>
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References: <1404033022-3014-1-git-send-email-wsa@the-dreams.de>
In-Reply-To: <1404033022-3014-1-git-send-email-wsa@the-dreams.de>
To: linux-sh@vger.kernel.org


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On Thu, Jul 10, 2014 at 02:25:58PM +0200, Laurent Pinchart wrote:
> Hi Wolfram,
>=20
> On Thursday 03 July 2014 10:48:34 Wolfram Sang wrote:
> > Hi,
> >=20
> > > With dynamic debug, these flags dont make much sense unless you want
> > > something to be printed *always* during boot.
> >=20
> > Yes, this was exactly what I wanted.
>=20
> Why is that ? My understanding is that the purpose of the=20
> CONFIG_DMADEVICES_DEBUG option is to enable debug messages for debugging.=
 As=20
> it requires recompiling the kernel, wouldn't dynamic printk be a better=
=20
> alternative ?
No it wont. Pls see the discussion.

Lots of dmanegine device gets used at boot, so for testing those scenarios =
it
will help to enable debug!

--=20
~Vinod


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