From: "Rafael J. Wysocki" <rjw@sisk.pl>
To: Len Brown <lenb@kernel.org>
Cc: Jesse Barnes <jbarnes@virtuousgeek.org>,
Pavel Machek <pavel@suse.cz>,
pm list <linux-pm@lists.linux-foundation.org>,
Matthew Wilcox <matthew@wil.cx>, "H. Peter Anvin" <hpa@zytor.com>,
LKML <linux-kernel@vger.kernel.org>, Greg KH <greg@kroah.com>,
Linux PCI <linux-pci@vger.kernel.org>
Subject: [RFC][PATCH 10/10] PCI PM: Put PM callbacks in the order of execution
Date: Tue, 30 Dec 2008 23:49:54 +0100 [thread overview]
Message-ID: <200812302349.55694.rjw@sisk.pl> (raw)
In-Reply-To: <200812302333.45560.rjw@sisk.pl>
Put PM callbacks in drivers/pci/pci-driver.c in the order in which
they are executed which makes it much easier to follow the code.
No functional changes should result from this.
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
---
drivers/pci/pci-driver.c | 86 +++++++++++++++++++++++------------------------
1 file changed, 43 insertions(+), 43 deletions(-)
Index: linux-2.6/drivers/pci/pci-driver.c
===================================================================
--- linux-2.6.orig/drivers/pci/pci-driver.c
+++ linux-2.6/drivers/pci/pci-driver.c
@@ -370,6 +370,19 @@ static int pci_legacy_suspend_late(struc
return i;
}
+static int pci_legacy_resume_early(struct device *dev)
+{
+ int error = 0;
+ struct pci_dev * pci_dev = to_pci_dev(dev);
+ struct pci_driver * drv = pci_dev->driver;
+
+ pci_fixup_device(pci_fixup_resume_early, pci_dev);
+
+ if (drv && drv->resume_early)
+ error = drv->resume_early(pci_dev);
+ return error;
+}
+
static int pci_legacy_resume(struct device *dev)
{
int error;
@@ -388,19 +401,6 @@ static int pci_legacy_resume(struct devi
return error;
}
-static int pci_legacy_resume_early(struct device *dev)
-{
- int error = 0;
- struct pci_dev * pci_dev = to_pci_dev(dev);
- struct pci_driver * drv = pci_dev->driver;
-
- pci_fixup_device(pci_fixup_resume_early, pci_dev);
-
- if (drv && drv->resume_early)
- error = drv->resume_early(pci_dev);
- return error;
-}
-
/* Auxiliary functions used by the new power management framework */
static int pci_restore_standard_config(struct pci_dev *pci_dev)
@@ -547,36 +547,36 @@ static int pci_pm_suspend_noirq(struct d
return error;
}
-static int pci_pm_resume(struct device *dev)
+static int pci_pm_resume_noirq(struct device *dev)
{
struct pci_dev *pci_dev = to_pci_dev(dev);
struct device_driver *drv = dev->driver;
int error = 0;
if (pci_has_legacy_pm_support(pci_dev))
- return pci_legacy_resume(dev);
+ return pci_legacy_resume_early(dev);
- error = pci_pm_default_resume(pci_dev);
+ pci_pm_default_resume_noirq(pci_dev);
- if (!error && drv && drv->pm && drv->pm->resume)
- error = drv->pm->resume(dev);
+ if (drv && drv->pm && drv->pm->resume_noirq)
+ error = drv->pm->resume_noirq(dev);
return error;
}
-static int pci_pm_resume_noirq(struct device *dev)
+static int pci_pm_resume(struct device *dev)
{
struct pci_dev *pci_dev = to_pci_dev(dev);
struct device_driver *drv = dev->driver;
int error = 0;
if (pci_has_legacy_pm_support(pci_dev))
- return pci_legacy_resume_early(dev);
+ return pci_legacy_resume(dev);
- pci_pm_default_resume_noirq(pci_dev);
+ error = pci_pm_default_resume(pci_dev);
- if (drv && drv->pm && drv->pm->resume_noirq)
- error = drv->pm->resume_noirq(dev);
+ if (!error && drv && drv->pm && drv->pm->resume)
+ error = drv->pm->resume(dev);
return error;
}
@@ -632,36 +632,36 @@ static int pci_pm_freeze_noirq(struct de
return error;
}
-static int pci_pm_thaw(struct device *dev)
+static int pci_pm_thaw_noirq(struct device *dev)
{
struct pci_dev *pci_dev = to_pci_dev(dev);
struct device_driver *drv = dev->driver;
int error = 0;
if (pci_has_legacy_pm_support(pci_dev))
- return pci_legacy_resume(dev);
+ return pci_legacy_resume_early(dev);
- pci_pm_reenable_device(pci_dev);
+ pci_update_current_state(pci_dev, PCI_D0);
- if (drv && drv->pm && drv->pm->thaw)
- error = drv->pm->thaw(dev);
+ if (drv && drv->pm && drv->pm->thaw_noirq)
+ error = drv->pm->thaw_noirq(dev);
return error;
}
-static int pci_pm_thaw_noirq(struct device *dev)
+static int pci_pm_thaw(struct device *dev)
{
struct pci_dev *pci_dev = to_pci_dev(dev);
struct device_driver *drv = dev->driver;
int error = 0;
if (pci_has_legacy_pm_support(pci_dev))
- return pci_legacy_resume_early(dev);
+ return pci_legacy_resume(dev);
- pci_update_current_state(pci_dev, PCI_D0);
+ pci_pm_reenable_device(pci_dev);
- if (drv && drv->pm && drv->pm->thaw_noirq)
- error = drv->pm->thaw_noirq(dev);
+ if (drv && drv->pm && drv->pm->thaw)
+ error = drv->pm->thaw(dev);
return error;
}
@@ -702,36 +702,36 @@ static int pci_pm_poweroff_noirq(struct
return error;
}
-static int pci_pm_restore(struct device *dev)
+static int pci_pm_restore_noirq(struct device *dev)
{
struct pci_dev *pci_dev = to_pci_dev(dev);
struct device_driver *drv = dev->driver;
int error = 0;
if (pci_has_legacy_pm_support(pci_dev))
- return pci_legacy_resume(dev);
+ return pci_legacy_resume_early(dev);
- error = pci_pm_default_resume(pci_dev);
+ pci_pm_default_resume_noirq(pci_dev);
- if (!error && drv && drv->pm && drv->pm->restore)
- error = drv->pm->restore(dev);
+ if (drv && drv->pm && drv->pm->restore_noirq)
+ error = drv->pm->restore_noirq(dev);
return error;
}
-static int pci_pm_restore_noirq(struct device *dev)
+static int pci_pm_restore(struct device *dev)
{
struct pci_dev *pci_dev = to_pci_dev(dev);
struct device_driver *drv = dev->driver;
int error = 0;
if (pci_has_legacy_pm_support(pci_dev))
- return pci_legacy_resume_early(dev);
+ return pci_legacy_resume(dev);
- pci_pm_default_resume_noirq(pci_dev);
+ error = pci_pm_default_resume(pci_dev);
- if (drv && drv->pm && drv->pm->restore_noirq)
- error = drv->pm->restore_noirq(dev);
+ if (!error && drv && drv->pm && drv->pm->restore)
+ error = drv->pm->restore(dev);
return error;
}
next prev parent reply other threads:[~2008-12-30 22:52 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <200812190049.34343.rjw@sisk.pl>
2008-12-28 15:07 ` [RFC][PATCH] PCI PM: Make new suspend-resume callbacks carry out core operations (rev. 2) Rafael J. Wysocki
2008-12-30 22:33 ` [RFC][PATCH 0/10] PCI PM: Make new suspend-resume callbacks carry out core operations Rafael J. Wysocki
2008-12-30 22:35 ` [RFC][PATCH 1/10] PCI PM: Fix poweroff and restore callbacks Rafael J. Wysocki
2009-01-05 10:00 ` Pavel Machek
2008-12-30 22:37 ` [RFC][PATCH 2/10] PCI PM: Add suspend counterpart of pci_reenable_device Rafael J. Wysocki
2009-01-05 10:49 ` Pavel Machek
2009-01-05 13:17 ` Rafael J. Wysocki
2008-12-30 22:38 ` [RFC][PATCH 3/10] PCI PM: Power-manage devices without drivers during suspend-resume Rafael J. Wysocki
2009-01-05 10:51 ` Pavel Machek
2008-12-30 22:40 ` [RFC][PATCH 4/10] PCI PM: Move pci_has_legacy_pm_support Rafael J. Wysocki
2009-01-05 10:51 ` Pavel Machek
2008-12-30 22:41 ` [RFC][PATCH 5/10] PCI PM: Avoid touching devices behind bridges in unknown state Rafael J. Wysocki
2009-01-01 21:09 ` [RFC][PATCH 5/10] PCI PM: Avoid touching devices behind bridges in unknown state (rev. 2) Rafael J. Wysocki
2009-01-05 10:58 ` Pavel Machek
2009-01-05 13:30 ` Rafael J. Wysocki
2009-01-07 22:32 ` Pavel Machek
2009-01-07 23:02 ` Rafael J. Wysocki
2008-12-30 22:43 ` [RFC][PATCH 6/10] PCI PM: Rearrange code in pci-driver.c Rafael J. Wysocki
2009-01-05 11:25 ` Pavel Machek
2009-01-05 13:32 ` Rafael J. Wysocki
2008-12-30 22:44 ` [RFC][PATCH 7/10] PCI PM: Call pci_fixup_device from legacy routines Rafael J. Wysocki
2009-01-05 11:25 ` Pavel Machek
2008-12-30 22:45 ` [RFC][PATCH 8/10] PCI PM: Register power state of devices during initialization Rafael J. Wysocki
2009-01-05 11:19 ` Pavel Machek
2008-12-30 22:47 ` [RFC][PATCH 9/10] PCI PM: Run default PM callbacks for all devices using new framework Rafael J. Wysocki
2009-01-05 11:26 ` Pavel Machek
2008-12-30 22:49 ` Rafael J. Wysocki [this message]
2009-01-05 11:21 ` [RFC][PATCH 10/10] PCI PM: Put PM callbacks in the order of execution Pavel Machek
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