From: Tri Vo <trong@android.com>
To: Stephen Boyd <swboyd@chromium.org>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
"Rafael J. Wysocki" <rjw@rjwysocki.net>,
Viresh Kumar <viresh.kumar@linaro.org>,
"Rafael J. Wysocki" <rafael@kernel.org>,
Hridya Valsaraju <hridya@google.com>,
Sandeep Patil <sspatil@google.com>,
Kalesh Singh <kaleshsingh@google.com>,
Ravi Chandra Sadineni <ravisadineni@chromium.org>,
LKML <linux-kernel@vger.kernel.org>,
Linux PM <linux-pm@vger.kernel.org>,
"Cc: Android Kernel" <kernel-team@android.com>
Subject: Re: [PATCH v6] PM / wakeup: show wakeup sources stats in sysfs
Date: Wed, 31 Jul 2019 15:16:57 -0700 [thread overview]
Message-ID: <CANA+-vAEnH7JpC1RLQW6jfe=+azyksoLBLQQ1vWVdszJy1xeqA@mail.gmail.com> (raw)
In-Reply-To: <5d420f45.1c69fb81.35877.3d86@mx.google.com>
On Wed, Jul 31, 2019 at 2:59 PM Stephen Boyd <swboyd@chromium.org> wrote:
>
> Quoting Tri Vo (2019-07-31 14:55:14)
> > +/**
> > + * wakeup_source_sysfs_add - Add wakeup_source attributes to sysfs.
> > + * @parent: Device given wakeup source is associated with (or NULL if virtual).
> > + * @ws: Wakeup source to be added in sysfs.
> > + */
> > +int wakeup_source_sysfs_add(struct device *parent, struct wakeup_source *ws)
> > +{
> > + struct device *dev;
> > + int id;
> > +
> > + id = ida_alloc(&wakeup_ida, GFP_KERNEL);
> > + if (id < 0)
> > + return id;
> > + ws->id = id;
> > +
> > + dev = device_create_with_groups(wakeup_class, parent, MKDEV(0, 0), ws,
> > + wakeup_source_groups, "ws%d",
>
> I thought the name was going to still be 'wakeupN'?
I don't really have an opinion on this. Rafael seems to prefer "ws",
and he's the maintainer :)
>
> > + ws->id);
> > + if (IS_ERR(dev)) {
> > + ida_free(&wakeup_ida, ws->id);
> > + return PTR_ERR(dev);
> > + }
> > +
> > + ws->dev = dev;
> > + return 0;
> > +}
> > +EXPORT_SYMBOL_GPL(wakeup_source_sysfs_add);
> > +
> > +/**
> > + * wakeup_source_sysfs_remove - Remove wakeup_source attributes from sysfs.
> > + * @ws: Wakeup source to be removed from sysfs.
> > + */
> > +void wakeup_source_sysfs_remove(struct wakeup_source *ws)
> > +{
> > + device_unregister(ws->dev);
> > + ida_simple_remove(&wakeup_ida, ws->id);
>
> Should be ida_free()?
oops
>
> > +}
> > +EXPORT_SYMBOL_GPL(wakeup_source_sysfs_remove);
> > +
> > +static int __init wakeup_sources_sysfs_init(void)
> > +{
> > + wakeup_class = class_create(THIS_MODULE, "wakeup");
> > +
> > + return PTR_ERR_OR_ZERO(wakeup_class);
> > +}
> > +
> > +postcore_initcall(wakeup_sources_sysfs_init);
>
> Style nitpick: Stick the initcall to the function it calls by dropping
> the extra newline between them.
will do
next prev parent reply other threads:[~2019-07-31 22:19 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-07-31 21:55 [PATCH v6] PM / wakeup: show wakeup sources stats in sysfs Tri Vo
2019-07-31 21:59 ` Stephen Boyd
2019-07-31 22:16 ` Tri Vo [this message]
2019-07-31 22:17 ` Rafael J. Wysocki
2019-07-31 22:31 ` Tri Vo
2019-07-31 22:42 ` Rafael J. Wysocki
2019-07-31 22:58 ` Tri Vo
2019-07-31 23:10 ` Rafael J. Wysocki
2019-07-31 23:27 ` Tri Vo
2019-07-31 23:45 ` Stephen Boyd
2019-08-01 0:45 ` Stephen Boyd
2019-08-01 8:09 ` Rafael J. Wysocki
2019-08-01 15:31 ` Stephen Boyd
2019-08-01 17:21 ` Rafael J. Wysocki
2019-08-01 19:25 ` Stephen Boyd
2019-08-01 19:36 ` Greg Kroah-Hartman
2019-08-01 19:50 ` Tri Vo
2019-08-01 20:22 ` Stephen Boyd
2019-08-01 21:44 ` Tri Vo
2019-08-01 22:10 ` Rafael J. Wysocki
2019-08-03 22:40 ` Tri Vo
2019-08-05 8:32 ` Rafael J. Wysocki
2019-08-01 22:11 ` Stephen Boyd
2019-08-01 22:44 ` Tri Vo
2019-08-01 23:37 ` Stephen Boyd
2019-08-01 22:46 ` Rafael J. Wysocki
2019-08-01 23:40 ` Stephen Boyd
2019-07-31 23:00 ` Rafael J. Wysocki
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