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Date: Sat, 7 Mar 2009 11:26:10 +0100
From: "Rafael J. Wysocki" <rjw@...k.pl>
To: LKML <linux-kernel@...r.kernel.org>
Cc: Linus Torvalds <torvalds@...ux-foundation.org>,
Ingo Molnar <mingo@...e.hu>,
"Eric W. Biederman" <ebiederm@...ssion.com>,
Benjamin Herrenschmidt <benh@...nel.crashing.org>,
Jeremy Fitzhardinge <jeremy@...p.org>,
pm list <linux-pm@...ts.linux-foundation.org>,
Len Brown <lenb@...nel.org>,
Jesse Barnes <jbarnes@...tuousgeek.org>,
Thomas Gleixner <tglx@...utronix.de>,
Arve Hjønnevåg <arve@...roid.com>
Subject: [RFC][PATCH][7/8] PCI PM: Move pci_restore_standard_config to pci-driver.c
From: Rafael J. Wysocki <rjw@...k.pl>
Move pci_restore_standard_config() from pci.c to pci-driver.c and
make it static.
Signed-off-by: Rafael J. Wysocki <rjw@...k.pl>
---
drivers/pci/pci-driver.c | 17 +++++++++++++++++
drivers/pci/pci.c | 21 ---------------------
drivers/pci/pci.h | 1 -
3 files changed, 17 insertions(+), 22 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
@@ -423,6 +423,23 @@ static int pci_legacy_resume(struct devi
/* Auxiliary functions used by the new power management framework */
+/**
+ * pci_restore_standard_config - restore standard config registers of PCI device
+ * @pci_dev: PCI device to handle
+ */
+static int pci_restore_standard_config(struct pci_dev *pci_dev)
+{
+ pci_update_current_state(pci_dev, PCI_UNKNOWN);
+
+ if (pci_dev->current_state != PCI_D0) {
+ int error = pci_set_power_state(pci_dev, PCI_D0);
+ if (error)
+ return error;
+ }
+
+ return pci_dev->state_saved ? pci_restore_state(pci_dev) : 0;
+}
+
static void pci_pm_default_resume_noirq(struct pci_dev *pci_dev)
{
pci_restore_standard_config(pci_dev);
Index: linux-2.6/drivers/pci/pci.c
===================================================================
--- linux-2.6.orig/drivers/pci/pci.c
+++ linux-2.6/drivers/pci/pci.c
@@ -1374,27 +1374,6 @@ void pci_allocate_cap_save_buffers(struc
}
/**
- * pci_restore_standard_config - restore standard config registers of PCI device
- * @dev: PCI device to handle
- *
- * This function assumes that the device's configuration space is accessible.
- * If the device needs to be powered up, the function will wait for it to
- * change the state.
- */
-int pci_restore_standard_config(struct pci_dev *dev)
-{
- pci_update_current_state(dev, PCI_UNKNOWN);
-
- if (dev->current_state != PCI_D0) {
- int error = pci_set_power_state(dev, PCI_D0);
- if (error)
- return error;
- }
-
- return dev->state_saved ? pci_restore_state(dev) : 0;
-}
-
-/**
* pci_enable_ari - enable ARI forwarding if hardware support it
* @dev: the PCI device
*/
Index: linux-2.6/drivers/pci/pci.h
===================================================================
--- linux-2.6.orig/drivers/pci/pci.h
+++ linux-2.6/drivers/pci/pci.h
@@ -49,7 +49,6 @@ extern void pci_disable_enabled_device(s
extern void pci_pm_init(struct pci_dev *dev);
extern void platform_pci_wakeup_init(struct pci_dev *dev);
extern void pci_allocate_cap_save_buffers(struct pci_dev *dev);
-extern int pci_restore_standard_config(struct pci_dev *dev);
static inline bool pci_is_bridge(struct pci_dev *pci_dev)
{
--
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