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PCI: PCIe portdrv: Implement pm object

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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>
This commit is contained in:
Rafael J. Wysocki 2009-02-15 22:32:48 +01:00 committed by Jesse Barnes
parent ae40582e99
commit 3a3c244c9a
6 changed files with 26 additions and 35 deletions
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4
drivers/pci/hotplug/pciehp_core.c
View File

@ -475,7 +475,7 @@ static void pciehp_remove (struct pcie_device *dev)
}
#ifdef CONFIG_PM
static int pciehp_suspend (struct pcie_device *dev, pm_message_t state)
static int pciehp_suspend (struct pcie_device *dev)
{
dev_info(&dev->device, "%s ENTRY\n", __func__);
return 0;
@ -503,7 +503,7 @@ static int pciehp_resume (struct pcie_device *dev)
}
return 0;
}
#endif
#endif /* PM */
static struct pcie_port_service_driver hpdriver_portdrv = {
.name = PCIE_MODULE_NAME,

6
drivers/pci/pcie/aer/aerdrv.c
View File

@ -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,

4
drivers/pci/pcie/portdrv.h
View File

@ -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);

14
drivers/pci/pcie/portdrv_core.c
View File

@ -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)
{

31
drivers/pci/pcie/portdrv_pci.c
View File

@ -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)

2
include/linux/pcieport_if.h
View File

@ -59,7 +59,7 @@ struct pcie_port_service_driver {
const char *name;
int (*probe) (struct pcie_device *dev);
void (*remove) (struct pcie_device *dev);
int (*suspend) (struct pcie_device *dev, pm_message_t state);
int (*suspend) (struct pcie_device *dev);
int (*resume) (struct pcie_device *dev);
/* Service Error Recovery Handler */