linux-kernel - Re: [PATCH 11/15] ARM: etm: Check arch version and disable data tracing for ptm

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Date:	Sat, 30 Jun 2012 21:34:16 +0200
From:	Linus Walleij <linus.walleij@...aro.org>
To:	Arve Hjønnevåg <arve@...roid.com>
Cc:	John Stultz <john.stultz@...aro.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Russell King <linux@....linux.org.uk>,
	Paul Gortmaker <paul.gortmaker@...driver.com>,
	Alexander Shishkin <alexander.shishkin@...ux.intel.com>
Subject: Re: [PATCH 11/15] ARM: etm: Check arch version and disable data
 tracing for ptm

On Thu, Jun 28, 2012 at 11:31 PM, Arve Hjønnevåg <arve@...roid.com> wrote:
> On Thu, Jun 28, 2012 at 9:07 AM, Linus Walleij <linus.walleij@...aro.org> wrote:
>> On Thu, Jun 21, 2012 at 12:47 AM, John Stultz <john.stultz@...aro.org> wrote:
>>
>>> +#define ETMR_ID                        0x1e4
>>> +#define ETMIDR_VERSION(x)      (((x) >> 4) & 0xff)

Damned I was reading 0x0fe4 ...

> Those values do not come from the same register. The revision is
> duplicated there, but I did not find the major and minor etm version
> which is what I'm looking at.

OK sorry for getting this backwards.

Acked-by: Linus Walleij <linus.walleij@...aro.org>

Yours,
Linus Walleij
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