linux-kernel - Re: [PATCH 4/5] coresight-stm: adding driver for CoreSight STM component

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Date:	Sat, 07 Mar 2015 14:27:35 +0200
From:	Alexander Shishkin <alexander.shishkin@...ux.intel.com>
To:	Mathieu Poirier <mathieu.poirier@...aro.org>,
	gregkh@...uxfoundation.org
Cc:	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	zhang.chunyan@...aro.org, kaixu.xia@...aro.org
Subject: Re: [PATCH 4/5] coresight-stm: adding driver for CoreSight STM component

Mathieu Poirier <mathieu.poirier@...aro.org> writes:

> From: Pratik Patel <pratikp@...eaurora.org>
>
> This driver adds support for the STM CoreSight IP block,
> allowing any system compoment (HW or SW) to log and
> aggregate messages via a single entity.
>
> The STM exposes an application defined number of channels
> called stimulus port.  Configuration is done using entries
> in sysfs and channels made available to userspace via devfs.

I somehow missed it when it was posted, but anyway. It looks like we are
solving a very similar problem (the STM device) and I'd like to propose
a generic and architecture independent solution [1]. I also took the
liberty to copy you and Pratik on those patches.

[1] https://lkml.org/lkml/2015/3/7/99

Regards,
--
Alex
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