From: Darren Hart <dvhart@infradead.org>
To: "Rafael J. Wysocki" <rjw@rjwysocki.net>,
Alex Hung <alex.hung@canonical.com>
Cc: LKML <linux-kernel@vger.kernel.org>,
Linux PM <linux-pm@vger.kernel.org>,
platform-driver-x86@vger.kernel.org,
Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Subject: Re: [PATCH] platform: x86: intel-hid: Add missing ->thaw callback
Date: Tue, 18 Apr 2017 09:07:35 -0700 [thread overview]
Message-ID: <20170418160735.GB25405@fury> (raw)
In-Reply-To: <3369188.n8HfSBcO3V@aspire.rjw.lan>
On Tue, Apr 18, 2017 at 03:49:06PM +0200, Rafael Wysocki wrote:
> From: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
>
> The intel-hid driver is missing a PM ->thaw callback allowing the
> device to go back to the operational state after creating a
> hibernation image or when there is an image restoration error during
> resume.
>
> The lack of the ->thaw callback basically means that all events
> signaled by the device are discarded after a hibernation image has
> been created which may be problematic, for example, if the image
> cannot be saved (eg. due to an I/O issue with storage).
>
> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
+ Alex Hung <alex.hung@canonical.com>
Queued to testing, thank you Rafael.
> ---
> drivers/platform/x86/intel-hid.c | 1 +
> 1 file changed, 1 insertion(+)
>
> Index: linux-pm/drivers/platform/x86/intel-hid.c
> ===================================================================
> --- linux-pm.orig/drivers/platform/x86/intel-hid.c
> +++ linux-pm/drivers/platform/x86/intel-hid.c
> @@ -136,6 +136,7 @@ static int intel_hid_pl_resume_handler(s
>
> static const struct dev_pm_ops intel_hid_pl_pm_ops = {
> .freeze = intel_hid_pl_suspend_handler,
> + .thaw = intel_hid_pl_resume_handler,
> .restore = intel_hid_pl_resume_handler,
> .suspend = intel_hid_pl_suspend_handler,
> .resume = intel_hid_pl_resume_handler,
>
>
--
Darren Hart
VMware Open Source Technology Center
next prev parent reply other threads:[~2017-04-18 16:07 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-04-18 13:49 [PATCH] platform: x86: intel-hid: Add missing ->thaw callback Rafael J. Wysocki
2017-04-18 16:07 ` Darren Hart [this message]
2017-04-18 17:30 ` Alex Hung
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