linux-kernel - Re: [PATCH v5] PM / wakeup: show wakeup sources stats in sysfs

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Message-ID: <2085893.cJkfNvi94x@kreacher>
Date:   Wed, 31 Jul 2019 00:17:55 +0200
From:   "Rafael J. Wysocki" <rjw@...ysocki.net>
To:     Stephen Boyd <swboyd@...omium.org>
Cc:     "Rafael J. Wysocki" <rafael@...nel.org>,
        Tri Vo <trong@...roid.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Viresh Kumar <viresh.kumar@...aro.org>,
        Hridya Valsaraju <hridya@...gle.com>,
        Sandeep Patil <sspatil@...gle.com>,
        Kalesh Singh <kaleshsingh@...gle.com>,
        Ravi Chandra Sadineni <ravisadineni@...omium.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Linux PM <linux-pm@...r.kernel.org>,
        "Cc: Android Kernel" <kernel-team@...roid.com>,
        kbuild test robot <lkp@...el.com>
Subject: Re: [PATCH v5] PM / wakeup: show wakeup sources stats in sysfs

On Tuesday, July 30, 2019 8:48:09 PM CEST Stephen Boyd wrote:
> Quoting Tri Vo (2019-07-30 11:39:34)
> > On Mon, Jul 29, 2019 at 10:46 PM Rafael J. Wysocki <rafael@...nel.org> wrote:
> > >
> > > On Tue, Jul 30, 2019 at 4:45 AM Tri Vo <trong@...roid.com> wrote:
> > > > - Device registering the wakeup source is now the parent of the wakeup source.
> > > >   Updated wakeup_source_register()'s signature and its callers accordingly.
> > >
> > > And I really don't like these changes.  Especially having "wakeup"
> > > twice in the path.
> > 
> > I can trim it down to /sys/class/wakeup/<ID>/. Does that sound good?
> 
> Using the same prefix for the class and the device name is quite common.
> For example, see the input, regulator, tty, tpm, remoteproc, hwmon,
> extcon classes. I'd prefer it was left as /sys/class/wakeup/wakeupN. The
> class name could be changed to wakeup_source perhaps (i.e.
> /sys/class/wakeup_source/wakeupN)?

Alternatively /sys/class/wakeup/wsN