[PATCH v2 01/11] base: power: Add generic OF-based power domain look-up
From: Stephen Boyd <hidden>
Date: 2014-03-04 18:23:15
Also in:
linux-devicetree, linux-pm, linux-samsung-soc, lkml
On 03/03, Tomasz Figa wrote:
quoted hunk ↗ jump to hunk
diff --git a/drivers/base/power/domain.c b/drivers/base/power/domain.c index dc127e5..006b455 100644 --- a/drivers/base/power/domain.c +++ b/drivers/base/power/domain.c@@ -3,12 +3,16 @@ * * Copyright (C) 2011 Rafael J. Wysocki <rjw@sisk.pl>, Renesas Electronics Corp. * + * Support for Device Tree based power domain providers: + * Copyright (C) 2014 Tomasz Figa <tomasz.figa@gmail.com> + * * This file is released under the GPLv2. */ #include <linux/init.h> #include <linux/kernel.h> #include <linux/io.h> +#include <linux/platform_device.h>
Is this still needed?
#include <linux/pm_runtime.h> #include <linux/pm_domain.h> #include <linux/pm_qos.h>
[...]
+ +/* + * DEVICE<->DOMAIN BINDING USING DEVICE TREE LOOK-UP + * + * The code below registers a notifier for platform bus devices' + * BUS_NOTIFY_BIND_DRIVER events and tries to attach devices to their power + * domains by looking them up using Device Tree. + * + * Similarly in BUS_NOTIFY_UNBOUND_DRIVER the device is detached from its + * domain, since it no longer supports runtime PM without any driver bound + * to it.
This looks outdated.
+ * + * Both generic and legacy Samsung-specific DT bindings are supported to + * keep backwards compatibility with existing DTBs. + */
-- Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, hosted by The Linux Foundation