diff options
Diffstat (limited to 'drivers/pci/pcie/portdrv_core.c')
| -rw-r--r-- | drivers/pci/pcie/portdrv_core.c | 30 |
1 files changed, 15 insertions, 15 deletions
diff --git a/drivers/pci/pcie/portdrv_core.c b/drivers/pci/pcie/portdrv_core.c index e0261ad4bcdd..7c37d815229e 100644 --- a/drivers/pci/pcie/portdrv_core.c +++ b/drivers/pci/pcie/portdrv_core.c @@ -353,14 +353,19 @@ error_disable: } #ifdef CONFIG_PM -static int suspend_iter(struct device *dev, void *data) +typedef int (*pcie_pm_callback_t)(struct pcie_device *); + +static int pm_iter(struct device *dev, void *data) { struct pcie_port_service_driver *service_driver; + size_t offset = *(size_t *)data; + pcie_pm_callback_t cb; 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)); + cb = *(pcie_pm_callback_t *)((void *)service_driver + offset); + if (cb) + return cb(to_pcie_device(dev)); } return 0; } @@ -371,20 +376,14 @@ static int suspend_iter(struct device *dev, void *data) */ int pcie_port_device_suspend(struct device *dev) { - return device_for_each_child(dev, NULL, suspend_iter); + size_t off = offsetof(struct pcie_port_service_driver, suspend); + return device_for_each_child(dev, &off, pm_iter); } -static int resume_iter(struct device *dev, void *data) +int pcie_port_device_resume_noirq(struct device *dev) { - struct pcie_port_service_driver *service_driver; - - if ((dev->bus == &pcie_port_bus_type) && - (dev->driver)) { - service_driver = to_service_driver(dev->driver); - if (service_driver->resume) - service_driver->resume(to_pcie_device(dev)); - } - return 0; + size_t off = offsetof(struct pcie_port_service_driver, resume_noirq); + return device_for_each_child(dev, &off, pm_iter); } /** @@ -393,7 +392,8 @@ static int resume_iter(struct device *dev, void *data) */ int pcie_port_device_resume(struct device *dev) { - return device_for_each_child(dev, NULL, resume_iter); + size_t off = offsetof(struct pcie_port_service_driver, resume); + return device_for_each_child(dev, &off, pm_iter); } #endif /* PM */ |