diff options
Diffstat (limited to 'drivers/pci/pcie/portdrv_pci.c')
| -rw-r--r-- | drivers/pci/pcie/portdrv_pci.c | 21 |
1 files changed, 16 insertions, 5 deletions
diff --git a/drivers/pci/pcie/portdrv_pci.c b/drivers/pci/pcie/portdrv_pci.c index 584422da8d8..99a914a027f 100644 --- a/drivers/pci/pcie/portdrv_pci.c +++ b/drivers/pci/pcie/portdrv_pci.c @@ -41,7 +41,6 @@ static int pcie_portdrv_restore_config(struct pci_dev *dev) { int retval; - pci_restore_state(dev); retval = pci_enable_device(dev); if (retval) return retval; @@ -52,11 +51,18 @@ 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) { - int ret = pcie_port_device_suspend(dev, state); + return pcie_port_device_suspend(dev, state); - if (!ret) - ret = pcie_portdrv_save_config(dev); - return ret; +} + +static int pcie_portdrv_suspend_late(struct pci_dev *dev, pm_message_t state) +{ + return pci_save_state(dev); +} + +static int pcie_portdrv_resume_early(struct pci_dev *dev) +{ + return pci_restore_state(dev); } static int pcie_portdrv_resume(struct pci_dev *dev) @@ -66,6 +72,8 @@ static int pcie_portdrv_resume(struct pci_dev *dev) } #else #define pcie_portdrv_suspend NULL +#define pcie_portdrv_suspend_late NULL +#define pcie_portdrv_resume_early NULL #define pcie_portdrv_resume NULL #endif @@ -221,6 +229,7 @@ static pci_ers_result_t pcie_portdrv_slot_reset(struct pci_dev *dev) /* If fatal, restore cfg space for possible link reset at upstream */ if (dev->error_state == pci_channel_io_frozen) { + pci_restore_state(dev); pcie_portdrv_restore_config(dev); pci_enable_pcie_error_reporting(dev); } @@ -283,6 +292,8 @@ static struct pci_driver pcie_portdriver = { .remove = pcie_portdrv_remove, .suspend = pcie_portdrv_suspend, + .suspend_late = pcie_portdrv_suspend_late, + .resume_early = pcie_portdrv_resume_early, .resume = pcie_portdrv_resume, .err_handler = &pcie_portdrv_err_handler, |