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authorRafael J. Wysocki <rjw@sisk.pl>2009-02-15 22:32:48 +0100
committerJesse Barnes <jbarnes@virtuousgeek.org>2009-03-20 10:47:49 -0700
commit3a3c244c9a355105bc193fde873c73727bf87192 (patch)
treecabffedef7a283c8caa6618e46a57660068cde99 /drivers/pci/pcie
parentae40582e9959cdb7bfe4b918be8e3d19f9511798 (diff)
downloadop-kernel-dev-3a3c244c9a355105bc193fde873c73727bf87192.zip
op-kernel-dev-3a3c244c9a355105bc193fde873c73727bf87192.tar.gz
PCI: PCIe portdrv: Implement pm object
Implement pm object for the PCI Express port driver in order to use the new power management framework and reduce the code size. Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl> Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Diffstat (limited to 'drivers/pci/pcie')
-rw-r--r--drivers/pci/pcie/aer/aerdrv.c6
-rw-r--r--drivers/pci/pcie/portdrv.h4
-rw-r--r--drivers/pci/pcie/portdrv_core.c14
-rw-r--r--drivers/pci/pcie/portdrv_pci.c31
4 files changed, 23 insertions, 32 deletions
diff --git a/drivers/pci/pcie/aer/aerdrv.c b/drivers/pci/pcie/aer/aerdrv.c
index e11c031..32ade5a 100644
--- a/drivers/pci/pcie/aer/aerdrv.c
+++ b/drivers/pci/pcie/aer/aerdrv.c
@@ -40,9 +40,6 @@ MODULE_LICENSE("GPL");
static int __devinit aer_probe (struct pcie_device *dev);
static void aer_remove(struct pcie_device *dev);
-static int aer_suspend(struct pcie_device *dev, pm_message_t state)
-{return 0;}
-static int aer_resume(struct pcie_device *dev) {return 0;}
static pci_ers_result_t aer_error_detected(struct pci_dev *dev,
enum pci_channel_state error);
static void aer_error_resume(struct pci_dev *dev);
@@ -61,9 +58,6 @@ static struct pcie_port_service_driver aerdriver = {
.probe = aer_probe,
.remove = aer_remove,
- .suspend = aer_suspend,
- .resume = aer_resume,
-
.err_handler = &aer_error_handlers,
.reset_link = aer_root_reset,
diff --git a/drivers/pci/pcie/portdrv.h b/drivers/pci/pcie/portdrv.h
index 5b818bd..17ad538 100644
--- a/drivers/pci/pcie/portdrv.h
+++ b/drivers/pci/pcie/portdrv.h
@@ -38,8 +38,8 @@ extern struct bus_type pcie_port_bus_type;
extern int pcie_port_device_probe(struct pci_dev *dev);
extern int pcie_port_device_register(struct pci_dev *dev);
#ifdef CONFIG_PM
-extern int pcie_port_device_suspend(struct pci_dev *dev, pm_message_t state);
-extern int pcie_port_device_resume(struct pci_dev *dev);
+extern int pcie_port_device_suspend(struct device *dev);
+extern int pcie_port_device_resume(struct device *dev);
#endif
extern void pcie_port_device_remove(struct pci_dev *dev);
extern int __must_check pcie_port_bus_register(void);
diff --git a/drivers/pci/pcie/portdrv_core.c b/drivers/pci/pcie/portdrv_core.c
index 569af00..5a5bfe7 100644
--- a/drivers/pci/pcie/portdrv_core.c
+++ b/drivers/pci/pcie/portdrv_core.c
@@ -410,13 +410,12 @@ int pcie_port_device_register(struct pci_dev *dev)
static int suspend_iter(struct device *dev, void *data)
{
struct pcie_port_service_driver *service_driver;
- pm_message_t state = * (pm_message_t *) data;
if ((dev->bus == &pcie_port_bus_type) &&
(dev->driver)) {
service_driver = to_service_driver(dev->driver);
if (service_driver->suspend)
- service_driver->suspend(to_pcie_device(dev), state);
+ service_driver->suspend(to_pcie_device(dev));
}
return 0;
}
@@ -424,11 +423,10 @@ static int suspend_iter(struct device *dev, void *data)
/**
* pcie_port_device_suspend - suspend port services associated with a PCIe port
* @dev: PCI Express port to handle
- * @state: Representation of system power management transition in progress
*/
-int pcie_port_device_suspend(struct pci_dev *dev, pm_message_t state)
+int pcie_port_device_suspend(struct device *dev)
{
- return device_for_each_child(&dev->dev, &state, suspend_iter);
+ return device_for_each_child(dev, NULL, suspend_iter);
}
static int resume_iter(struct device *dev, void *data)
@@ -448,11 +446,11 @@ static int resume_iter(struct device *dev, void *data)
* pcie_port_device_suspend - resume port services associated with a PCIe port
* @dev: PCI Express port to handle
*/
-int pcie_port_device_resume(struct pci_dev *dev)
+int pcie_port_device_resume(struct device *dev)
{
- return device_for_each_child(&dev->dev, NULL, resume_iter);
+ return device_for_each_child(dev, NULL, resume_iter);
}
-#endif
+#endif /* PM */
static int remove_iter(struct device *dev, void *data)
{
diff --git a/drivers/pci/pcie/portdrv_pci.c b/drivers/pci/pcie/portdrv_pci.c
index 94d0e2a..a61f493 100644
--- a/drivers/pci/pcie/portdrv_pci.c
+++ b/drivers/pci/pcie/portdrv_pci.c
@@ -44,21 +44,21 @@ static int pcie_portdrv_restore_config(struct pci_dev *dev)
}
#ifdef CONFIG_PM
-static int pcie_portdrv_suspend(struct pci_dev *dev, pm_message_t state)
-{
- return pcie_port_device_suspend(dev, state);
+static struct dev_pm_ops pcie_portdrv_pm_ops = {
+ .suspend = pcie_port_device_suspend,
+ .resume = pcie_port_device_resume,
+ .freeze = pcie_port_device_suspend,
+ .thaw = pcie_port_device_resume,
+ .poweroff = pcie_port_device_suspend,
+ .restore = pcie_port_device_resume,
+};
-}
+#define PCIE_PORTDRV_PM_OPS (&pcie_portdrv_pm_ops)
-static int pcie_portdrv_resume(struct pci_dev *dev)
-{
- pci_set_master(dev);
- return pcie_port_device_resume(dev);
-}
-#else
-#define pcie_portdrv_suspend NULL
-#define pcie_portdrv_resume NULL
-#endif
+#else /* !PM */
+
+#define PCIE_PORTDRV_PM_OPS NULL
+#endif /* !PM */
/*
* pcie_portdrv_probe - Probe PCI-Express port devices
@@ -268,10 +268,9 @@ static struct pci_driver pcie_portdriver = {
.probe = pcie_portdrv_probe,
.remove = pcie_portdrv_remove,
- .suspend = pcie_portdrv_suspend,
- .resume = pcie_portdrv_resume,
-
.err_handler = &pcie_portdrv_err_handler,
+
+ .driver.pm = PCIE_PORTDRV_PM_OPS,
};
static int __init pcie_portdrv_init(void)
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