linux-kernel - Re: [PATCH 01/11] coresight-etm4x: Adding CoreSight ETM4x driver

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Message-ID: <1430209858.1904.1.camel@mm-sol.com>
Date:	Tue, 28 Apr 2015 11:30:58 +0300
From:	"Ivan T. Ivanov" <iivanov@...sol.com>
To:	Mathieu Poirier <mathieu.poirier@...aro.org>
Cc:	Greg KH <gregkh@...uxfoundation.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>, linux-api@...r.kernel.org,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Kaixu Xia <kaixu.xia@...aro.org>,
	Chunyan Zhang <zhang.chunyan@...aro.org>
Subject: Re: [PATCH 01/11] coresight-etm4x: Adding CoreSight ETM4x driver


On Mon, 2015-04-27 at 09:48 -0600, Mathieu Poirier wrote:
> On 24 April 2015 at 09:41, Ivan T. Ivanov <iivanov@...sol.com> wrote:
> > On Wed, 2015-04-22 at 16:40 -0600, Mathieu Poirier wrote:
> > 
> > > +static struct amba_id etm4_ids[] = {
> > > +       {       /* ETM 4.0 - Hi6220 board */
> > > +               .id     = 0x0003b95d,
> > > +               .mask   = 0x0003ffff,
> > > +               .data   = "ETM 4.0",
> > > +       },
> > > +       {       /* ETM 4.0 - Juno board */
> > > +               .id     = 0x000bb95e,
> > > +               .mask   = 0x000bffff,
> > 
> > Mask looks suspicious.
> 
> Can you please expand the "suspicious" part ?

Well, 'b' part of the mask. I have to admit that
I don't know how this is mapped on this platform.

Regards,
Ivan
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