linux-kernel - Re: [PATCH V4] PM / OPP: Add debugfs support

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Date:	Sat, 07 Nov 2015 02:07:42 +0100
From:	"Rafael J. Wysocki" <rjw@...ysocki.net>
To:	Viresh Kumar <viresh.kumar@...aro.org>
Cc:	Stephen Boyd <sboyd@...eaurora.org>,
	linaro-kernel@...ts.linaro.org, linux-pm@...r.kernel.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>,
	Nishanth Menon <nm@...com>, Pavel Machek <pavel@....cz>
Subject: Re: [PATCH V4] PM / OPP: Add debugfs support

On Thursday, November 05, 2015 03:02:50 PM 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>
> ---
> Hi Rafael,
> 
> This was applied to pm/linux-next earlier, but then we dropped it citing
> few merge conflicts with driver-core changes. i.e. debugfs_create_bool()
> and debugfs_create_ulong() changes.
> 
> All that is merged by Linus and so we can get this merged back again,
> once you are comfortable.
> 
> @Stephen: I have dropped your Reviewed by tag as there were minor
> changes here, please give it again :)

So I'll wait for the response from Stephen and then I'll queue up this one
for v4.5.

Thanks,
Rafael

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