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Message-ID: <1651709.GmNFtvzoPK@kreacher>
Date: Sat, 18 Apr 2020 18:51:44 +0200
From: "Rafael J. Wysocki" <rjw@...ysocki.net>
To: Linux PM <linux-pm@...r.kernel.org>,
Alan Stern <stern@...land.harvard.edu>
Cc: Linux ACPI <linux-acpi@...r.kernel.org>,
Linux PCI <linux-pci@...r.kernel.org>,
LKML <linux-kernel@...r.kernel.org>,
Bjorn Helgaas <helgaas@...nel.org>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
Mika Westerberg <mika.westerberg@...ux.intel.com>,
Hans De Goede <hdegoede@...hat.com>,
Ulf Hansson <ulf.hansson@...aro.org>
Subject: [PATCH v2 2/9] PM: sleep: core: Fold functions into their callers
From: "Rafael J. Wysocki" <rafael.j.wysocki@...el.com>
Fold four functions in the PM core that each have only one caller
now into their callers.
No intentional functional impact.
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@...el.com>
---
No changes from the first iteration.
---
drivers/base/power/main.c | 198 ++++++++++++++--------------------------------
1 file changed, 60 insertions(+), 138 deletions(-)
diff --git a/drivers/base/power/main.c b/drivers/base/power/main.c
index 5d0225573bbe..75d7cdb4de9c 100644
--- a/drivers/base/power/main.c
+++ b/drivers/base/power/main.c
@@ -573,43 +573,6 @@ bool dev_pm_may_skip_resume(struct device *dev)
return !dev->power.must_resume && pm_transition.event != PM_EVENT_RESTORE;
}
-static pm_callback_t dpm_subsys_resume_noirq_cb(struct device *dev,
- pm_message_t state,
- const char **info_p)
-{
- pm_callback_t callback;
- const char *info;
-
- if (dev->pm_domain) {
- info = "noirq power domain ";
- callback = pm_noirq_op(&dev->pm_domain->ops, state);
- } else if (dev->type && dev->type->pm) {
- info = "noirq type ";
- callback = pm_noirq_op(dev->type->pm, state);
- } else if (dev->class && dev->class->pm) {
- info = "noirq class ";
- callback = pm_noirq_op(dev->class->pm, state);
- } else if (dev->bus && dev->bus->pm) {
- info = "noirq bus ";
- callback = pm_noirq_op(dev->bus->pm, state);
- } else {
- return NULL;
- }
-
- if (info_p)
- *info_p = info;
-
- return callback;
-}
-
-static pm_callback_t dpm_subsys_suspend_noirq_cb(struct device *dev,
- pm_message_t state,
- const char **info_p);
-
-static pm_callback_t dpm_subsys_suspend_late_cb(struct device *dev,
- pm_message_t state,
- const char **info_p);
-
/**
* device_resume_noirq - Execute a "noirq resume" callback for given device.
* @dev: Device to handle.
@@ -621,8 +584,8 @@ static pm_callback_t dpm_subsys_suspend_late_cb(struct device *dev,
*/
static int device_resume_noirq(struct device *dev, pm_message_t state, bool async)
{
- pm_callback_t callback;
- const char *info;
+ pm_callback_t callback = NULL;
+ const char *info = NULL;
bool skip_resume;
int error = 0;
@@ -638,7 +601,19 @@ static int device_resume_noirq(struct device *dev, pm_message_t state, bool asyn
if (!dpm_wait_for_superior(dev, async))
goto Out;
- callback = dpm_subsys_resume_noirq_cb(dev, state, &info);
+ if (dev->pm_domain) {
+ info = "noirq power domain ";
+ callback = pm_noirq_op(&dev->pm_domain->ops, state);
+ } else if (dev->type && dev->type->pm) {
+ info = "noirq type ";
+ callback = pm_noirq_op(dev->type->pm, state);
+ } else if (dev->class && dev->class->pm) {
+ info = "noirq class ";
+ callback = pm_noirq_op(dev->class->pm, state);
+ } else if (dev->bus && dev->bus->pm) {
+ info = "noirq bus ";
+ callback = pm_noirq_op(dev->bus->pm, state);
+ }
if (callback) {
skip_resume = false;
goto Run;
@@ -791,35 +766,6 @@ void dpm_resume_noirq(pm_message_t state)
cpuidle_resume();
}
-static pm_callback_t dpm_subsys_resume_early_cb(struct device *dev,
- pm_message_t state,
- const char **info_p)
-{
- pm_callback_t callback;
- const char *info;
-
- if (dev->pm_domain) {
- info = "early power domain ";
- callback = pm_late_early_op(&dev->pm_domain->ops, state);
- } else if (dev->type && dev->type->pm) {
- info = "early type ";
- callback = pm_late_early_op(dev->type->pm, state);
- } else if (dev->class && dev->class->pm) {
- info = "early class ";
- callback = pm_late_early_op(dev->class->pm, state);
- } else if (dev->bus && dev->bus->pm) {
- info = "early bus ";
- callback = pm_late_early_op(dev->bus->pm, state);
- } else {
- return NULL;
- }
-
- if (info_p)
- *info_p = info;
-
- return callback;
-}
-
/**
* device_resume_early - Execute an "early resume" callback for given device.
* @dev: Device to handle.
@@ -830,8 +776,8 @@ static pm_callback_t dpm_subsys_resume_early_cb(struct device *dev,
*/
static int device_resume_early(struct device *dev, pm_message_t state, bool async)
{
- pm_callback_t callback;
- const char *info;
+ pm_callback_t callback = NULL;
+ const char *info = NULL;
int error = 0;
TRACE_DEVICE(dev);
@@ -846,9 +792,19 @@ static int device_resume_early(struct device *dev, pm_message_t state, bool asyn
if (!dpm_wait_for_superior(dev, async))
goto Out;
- callback = dpm_subsys_resume_early_cb(dev, state, &info);
-
- if (!callback && dev->driver && dev->driver->pm) {
+ if (dev->pm_domain) {
+ info = "early power domain ";
+ callback = pm_late_early_op(&dev->pm_domain->ops, state);
+ } else if (dev->type && dev->type->pm) {
+ info = "early type ";
+ callback = pm_late_early_op(dev->type->pm, state);
+ } else if (dev->class && dev->class->pm) {
+ info = "early class ";
+ callback = pm_late_early_op(dev->class->pm, state);
+ } else if (dev->bus && dev->bus->pm) {
+ info = "early bus ";
+ callback = pm_late_early_op(dev->bus->pm, state);
+ } else if (dev->driver && dev->driver->pm) {
info = "early driver ";
callback = pm_late_early_op(dev->driver->pm, state);
}
@@ -1226,35 +1182,6 @@ static void dpm_superior_set_must_resume(struct device *dev)
device_links_read_unlock(idx);
}
-static pm_callback_t dpm_subsys_suspend_noirq_cb(struct device *dev,
- pm_message_t state,
- const char **info_p)
-{
- pm_callback_t callback;
- const char *info;
-
- if (dev->pm_domain) {
- info = "noirq power domain ";
- callback = pm_noirq_op(&dev->pm_domain->ops, state);
- } else if (dev->type && dev->type->pm) {
- info = "noirq type ";
- callback = pm_noirq_op(dev->type->pm, state);
- } else if (dev->class && dev->class->pm) {
- info = "noirq class ";
- callback = pm_noirq_op(dev->class->pm, state);
- } else if (dev->bus && dev->bus->pm) {
- info = "noirq bus ";
- callback = pm_noirq_op(dev->bus->pm, state);
- } else {
- return NULL;
- }
-
- if (info_p)
- *info_p = info;
-
- return callback;
-}
-
/**
* __device_suspend_noirq - Execute a "noirq suspend" callback for given device.
* @dev: Device to handle.
@@ -1266,8 +1193,8 @@ static pm_callback_t dpm_subsys_suspend_noirq_cb(struct device *dev,
*/
static int __device_suspend_noirq(struct device *dev, pm_message_t state, bool async)
{
- pm_callback_t callback;
- const char *info;
+ pm_callback_t callback = NULL;
+ const char *info = NULL;
int error = 0;
TRACE_DEVICE(dev);
@@ -1281,7 +1208,19 @@ static int __device_suspend_noirq(struct device *dev, pm_message_t state, bool a
if (dev->power.syscore || dev->power.direct_complete)
goto Complete;
- callback = dpm_subsys_suspend_noirq_cb(dev, state, &info);
+ if (dev->pm_domain) {
+ info = "noirq power domain ";
+ callback = pm_noirq_op(&dev->pm_domain->ops, state);
+ } else if (dev->type && dev->type->pm) {
+ info = "noirq type ";
+ callback = pm_noirq_op(dev->type->pm, state);
+ } else if (dev->class && dev->class->pm) {
+ info = "noirq class ";
+ callback = pm_noirq_op(dev->class->pm, state);
+ } else if (dev->bus && dev->bus->pm) {
+ info = "noirq bus ";
+ callback = pm_noirq_op(dev->bus->pm, state);
+ }
if (callback)
goto Run;
@@ -1429,35 +1368,6 @@ static void dpm_propagate_wakeup_to_parent(struct device *dev)
spin_unlock_irq(&parent->power.lock);
}
-static pm_callback_t dpm_subsys_suspend_late_cb(struct device *dev,
- pm_message_t state,
- const char **info_p)
-{
- pm_callback_t callback;
- const char *info;
-
- if (dev->pm_domain) {
- info = "late power domain ";
- callback = pm_late_early_op(&dev->pm_domain->ops, state);
- } else if (dev->type && dev->type->pm) {
- info = "late type ";
- callback = pm_late_early_op(dev->type->pm, state);
- } else if (dev->class && dev->class->pm) {
- info = "late class ";
- callback = pm_late_early_op(dev->class->pm, state);
- } else if (dev->bus && dev->bus->pm) {
- info = "late bus ";
- callback = pm_late_early_op(dev->bus->pm, state);
- } else {
- return NULL;
- }
-
- if (info_p)
- *info_p = info;
-
- return callback;
-}
-
/**
* __device_suspend_late - Execute a "late suspend" callback for given device.
* @dev: Device to handle.
@@ -1468,8 +1378,8 @@ static pm_callback_t dpm_subsys_suspend_late_cb(struct device *dev,
*/
static int __device_suspend_late(struct device *dev, pm_message_t state, bool async)
{
- pm_callback_t callback;
- const char *info;
+ pm_callback_t callback = NULL;
+ const char *info = NULL;
int error = 0;
TRACE_DEVICE(dev);
@@ -1490,7 +1400,19 @@ static int __device_suspend_late(struct device *dev, pm_message_t state, bool as
if (dev->power.syscore || dev->power.direct_complete)
goto Complete;
- callback = dpm_subsys_suspend_late_cb(dev, state, &info);
+ if (dev->pm_domain) {
+ info = "late power domain ";
+ callback = pm_late_early_op(&dev->pm_domain->ops, state);
+ } else if (dev->type && dev->type->pm) {
+ info = "late type ";
+ callback = pm_late_early_op(dev->type->pm, state);
+ } else if (dev->class && dev->class->pm) {
+ info = "late class ";
+ callback = pm_late_early_op(dev->class->pm, state);
+ } else if (dev->bus && dev->bus->pm) {
+ info = "late bus ";
+ callback = pm_late_early_op(dev->bus->pm, state);
+ }
if (callback)
goto Run;
--
2.16.4
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