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

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Date:	Thu, 05 Feb 2015 10:26:02 +0100
From:	Paul Bolle <pebolle@...cali.nl>
To:	mathieu.poirier@...aro.org
Cc:	corbet@....net, pratikp@...eaurora.org, al.grant@....com,
	liviu.dudau@....com, kaixu.xia@...aro.org,
	jeenu.viswambharan@....com, gregkh@...uxfoundation.org,
	linux-arm-kernel@...ts.infradead.org, linux-api@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-doc@...r.kernel.org
Subject: Re: [PATCH] coresight-stm: adding driver for CoreSight STM component

On Wed, 2015-02-04 at 15:22 -0700, mathieu.poirier@...aro.org wrote:
> 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.
> 
> Signed-off-by: Pratik Patel <pratikp@...eaurora.org>
> Signed-off-by: Mathieu Poirier <mathieu.poirier@...aro.org>
>[...]
> +/**
> + * struct stm_node - aggregation of channel information for userspace access
> + * @channel_id:		the channel number associated to this file descriptor.
> + * @options:		options for this channel - none, timestamped,
> +i			guaranteed.

Did you perhaps use vim?

> + * @drvdata:		STM driver specifics.
> + */
> +struct stm_node {
> +	int			channel_id;
> +	u32			options;
> +	struct stm_drvdata	*drvdata;
> +};


Paul Bolle

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