linux-kernel - Re: [PATCH V2 Resend 5/5] PM / OPP: Add debugfs support

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Date:	Tue, 1 Sep 2015 16:00:44 -0700
From:	Stephen Boyd <sboyd@...eaurora.org>
To:	Viresh Kumar <viresh.kumar@...aro.org>
Cc:	Rafael Wysocki <rjw@...ysocki.net>, linaro-kernel@...ts.linaro.org,
	linux-pm@...r.kernel.org, nm@...com, khilman@...aro.org,
	Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>,
	Dmitry Torokhov <dtor@...omium.org>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Len Brown <len.brown@...el.com>,
	open list <linux-kernel@...r.kernel.org>,
	Pavel Machek <pavel@....cz>
Subject: Re: [PATCH V2 Resend 5/5] PM / OPP: Add debugfs support

On 09/01, Viresh Kumar wrote:
> This patch adds debugfs support to OPP layer to export OPPs and their
> properties for all the devices.
> 
> This creates a top level directory: /sys/kernel/debug/opp and then
> device specific directories (based on device names) inside it. For
> example: 'cpu0', 'cpu1', etc..
> 
> If multiple devices share the OPP table, then the real directory is
> created only for the first device. For all others, links are created to
> the real directory.
> 
> Inside the device specific directory, a separate directory is created
> for each OPP. And within that files per opp property.
> 
> Signed-off-by: Viresh Kumar <viresh.kumar@...aro.org>
> ---

Reviewed-by: Stephen Boyd <sboyd@...eaurora.org>

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