diff options
| -rw-r--r-- | drivers/pci/hotplug/pciehp_core.c | 14 | ||||
| -rw-r--r-- | drivers/pci/hotplug/pciehp_hpc.c | 7 |
2 files changed, 21 insertions, 0 deletions
diff --git a/drivers/pci/hotplug/pciehp_core.c b/drivers/pci/hotplug/pciehp_core.c index 3e73b12ed656..01fcf1fa0f66 100644 --- a/drivers/pci/hotplug/pciehp_core.c +++ b/drivers/pci/hotplug/pciehp_core.c @@ -26,6 +26,8 @@ #include <linux/interrupt.h> #include <linux/time.h> +#include "../pci.h" + /* Global variables */ bool pciehp_debug; bool pciehp_poll_mode; @@ -126,8 +128,11 @@ static void cleanup_slot(struct controller *ctrl) static int set_attention_status(struct hotplug_slot *hotplug_slot, u8 status) { struct slot *slot = hotplug_slot->private; + struct pci_dev *pdev = slot->ctrl->pcie->port; + pci_config_pm_runtime_get(pdev); pciehp_set_attention_status(slot, status); + pci_config_pm_runtime_put(pdev); return 0; } @@ -150,8 +155,11 @@ static int disable_slot(struct hotplug_slot *hotplug_slot) static int get_power_status(struct hotplug_slot *hotplug_slot, u8 *value) { struct slot *slot = hotplug_slot->private; + struct pci_dev *pdev = slot->ctrl->pcie->port; + pci_config_pm_runtime_get(pdev); pciehp_get_power_status(slot, value); + pci_config_pm_runtime_put(pdev); return 0; } @@ -166,16 +174,22 @@ static int get_attention_status(struct hotplug_slot *hotplug_slot, u8 *value) static int get_latch_status(struct hotplug_slot *hotplug_slot, u8 *value) { struct slot *slot = hotplug_slot->private; + struct pci_dev *pdev = slot->ctrl->pcie->port; + pci_config_pm_runtime_get(pdev); pciehp_get_latch_status(slot, value); + pci_config_pm_runtime_put(pdev); return 0; } static int get_adapter_status(struct hotplug_slot *hotplug_slot, u8 *value) { struct slot *slot = hotplug_slot->private; + struct pci_dev *pdev = slot->ctrl->pcie->port; + pci_config_pm_runtime_get(pdev); pciehp_get_adapter_status(slot, value); + pci_config_pm_runtime_put(pdev); return 0; } diff --git a/drivers/pci/hotplug/pciehp_hpc.c b/drivers/pci/hotplug/pciehp_hpc.c index 6e9b4330ad82..6f7de0819c88 100644 --- a/drivers/pci/hotplug/pciehp_hpc.c +++ b/drivers/pci/hotplug/pciehp_hpc.c @@ -322,7 +322,9 @@ int pciehp_get_raw_indicator_status(struct hotplug_slot *hotplug_slot, struct pci_dev *pdev = ctrl_dev(slot->ctrl); u16 slot_ctrl; + pci_config_pm_runtime_get(pdev); pcie_capability_read_word(pdev, PCI_EXP_SLTCTL, &slot_ctrl); + pci_config_pm_runtime_put(pdev); *status = (slot_ctrl & (PCI_EXP_SLTCTL_AIC | PCI_EXP_SLTCTL_PIC)) >> 6; return 0; } @@ -333,7 +335,9 @@ void pciehp_get_attention_status(struct slot *slot, u8 *status) struct pci_dev *pdev = ctrl_dev(ctrl); u16 slot_ctrl; + pci_config_pm_runtime_get(pdev); pcie_capability_read_word(pdev, PCI_EXP_SLTCTL, &slot_ctrl); + pci_config_pm_runtime_put(pdev); ctrl_dbg(ctrl, "%s: SLOTCTRL %x, value read %x\n", __func__, pci_pcie_cap(ctrl->pcie->port) + PCI_EXP_SLTCTL, slot_ctrl); @@ -408,9 +412,12 @@ int pciehp_set_raw_indicator_status(struct hotplug_slot *hotplug_slot, { struct slot *slot = hotplug_slot->private; struct controller *ctrl = slot->ctrl; + struct pci_dev *pdev = ctrl_dev(ctrl); + pci_config_pm_runtime_get(pdev); pcie_write_cmd_nowait(ctrl, status << 6, PCI_EXP_SLTCTL_AIC | PCI_EXP_SLTCTL_PIC); + pci_config_pm_runtime_put(pdev); return 0; } |