From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tomeu Vizoso Subject: [PATCH 3/6] Input: Implement dev_pm_ops.prepare() Date: Tue, 31 Mar 2015 18:14:47 +0200 Message-ID: <1427818501-10201-4-git-send-email-tomeu.vizoso@collabora.com> References: <1427818501-10201-1-git-send-email-tomeu.vizoso@collabora.com> Return-path: In-Reply-To: <1427818501-10201-1-git-send-email-tomeu.vizoso@collabora.com> Sender: linux-kernel-owner@vger.kernel.org To: linux-pm@vger.kernel.org Cc: Tomeu Vizoso , Dmitry Torokhov , linux-input@vger.kernel.org, linux-kernel@vger.kernel.org List-Id: linux-input@vger.kernel.org Have it return 1 in both input_dev_type and input_class (for evdev handlers) so that input devices that are runtime-suspended won't be suspended when the system goes to a sleep state. This can make resume times considerably shorter because these devices don't need to be resumed when the system is awaken. Signed-off-by: Tomeu Vizoso --- drivers/input/input.c | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/drivers/input/input.c b/drivers/input/input.c index cc357f1..cbbd391 100644 --- a/drivers/input/input.c +++ b/drivers/input/input.c @@ -1741,12 +1741,22 @@ static int input_dev_poweroff(struct device *dev) return 0; } +static int input_dev_prepare(struct device *dev) +{ + return 1; +} + static const struct dev_pm_ops input_dev_pm_ops = { .suspend = input_dev_suspend, .resume = input_dev_resume, .freeze = input_dev_freeze, .poweroff = input_dev_poweroff, .restore = input_dev_resume, + .prepare = input_dev_prepare, +}; + +static const struct dev_pm_ops input_class_pm_ops = { + .prepare = input_dev_prepare, }; #endif /* CONFIG_PM */ @@ -1767,6 +1777,9 @@ static char *input_devnode(struct device *dev, umode_t *mode) struct class input_class = { .name = "input", .devnode = input_devnode, +#ifdef CONFIG_PM_SLEEP + .pm = &input_class_pm_ops, +#endif }; EXPORT_SYMBOL_GPL(input_class); -- 2.3.4