linux-kernel - [PATCH] PCI PM: Export pci_pme

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Date:	Fri, 8 Aug 2008 00:14:24 +0200
From:	"Rafael J. Wysocki" <rjw@...k.pl>
To:	Jesse Barnes <jbarnes@...tuousgeek.org>
Cc:	Alessandro Guido <alessandro.guido@...il.com>,
	linux-kernel@...r.kernel.org, netdev@...r.kernel.org,
	pm list <linux-pm@...ts.linux-foundation.org>
Subject: [PATCH] PCI PM: Export pci_pme_active to drivers

PCI PM: Export pci_pme_active to drivers

Export pci_pme_active() to drivers, so that they can clear the
PME_status bit and disable PME# for their devices without involving
ACPI.

Signed-off-by: Rafael J. Wysocki <rjw@...k.pl>
---
 drivers/pci/pci.c   |    3 ++-
 include/linux/pci.h |    1 +
 2 files changed, 3 insertions(+), 1 deletion(-)

Index: linux-2.6/drivers/pci/pci.c
===================================================================
--- linux-2.6.orig/drivers/pci/pci.c
+++ linux-2.6/drivers/pci/pci.c
@@ -1060,7 +1060,7 @@ bool pci_pme_capable(struct pci_dev *dev
  * The caller must verify that the device is capable of generating PME# before
  * calling this function with @enable equal to 'true'.
  */
-static void pci_pme_active(struct pci_dev *dev, bool enable)
+void pci_pme_active(struct pci_dev *dev, bool enable)
 {
 	u16 pmcsr;
 
@@ -1941,6 +1941,7 @@ EXPORT_SYMBOL(pci_set_power_state);
 EXPORT_SYMBOL(pci_save_state);
 EXPORT_SYMBOL(pci_restore_state);
 EXPORT_SYMBOL(pci_pme_capable);
+EXPORT_SYMBOL(pci_pme_active);
 EXPORT_SYMBOL(pci_enable_wake);
 EXPORT_SYMBOL(pci_target_state);
 EXPORT_SYMBOL(pci_prepare_to_sleep);
Index: linux-2.6/include/linux/pci.h
===================================================================
--- linux-2.6.orig/include/linux/pci.h
+++ linux-2.6/include/linux/pci.h
@@ -641,6 +641,7 @@ int pci_restore_state(struct pci_dev *de
 int pci_set_power_state(struct pci_dev *dev, pci_power_t state);
 pci_power_t pci_choose_state(struct pci_dev *dev, pm_message_t state);
 bool pci_pme_capable(struct pci_dev *dev, pci_power_t state);
+void pci_pme_active(struct pci_dev *dev, bool enable);
 int pci_enable_wake(struct pci_dev *dev, pci_power_t state, int enable);
 pci_power_t pci_target_state(struct pci_dev *dev);
 int pci_prepare_to_sleep(struct pci_dev *dev);
--
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