diff options
| -rw-r--r-- | drivers/pci/hotplug/pciehp_ctrl.c | 75 |
1 files changed, 23 insertions, 52 deletions
diff --git a/drivers/pci/hotplug/pciehp_ctrl.c b/drivers/pci/hotplug/pciehp_ctrl.c index f3796124ad7c..4c8f4cde6854 100644 --- a/drivers/pci/hotplug/pciehp_ctrl.c +++ b/drivers/pci/hotplug/pciehp_ctrl.c @@ -204,36 +204,39 @@ static void pciehp_power_thread(struct work_struct *work) kfree(info); } -void pciehp_queue_pushbutton_work(struct work_struct *work) +static void pciehp_queue_power_work(struct slot *p_slot, int req) { - struct slot *p_slot = container_of(work, struct slot, work.work); struct power_work_info *info; + p_slot->state = (req == ENABLE_REQ) ? POWERON_STATE : POWEROFF_STATE; + info = kmalloc(sizeof(*info), GFP_KERNEL); if (!info) { - ctrl_err(p_slot->ctrl, "%s: Cannot allocate memory\n", - __func__); + ctrl_err(p_slot->ctrl, "no memory to queue %s request\n", + (req == ENABLE_REQ) ? "poweron" : "poweroff"); return; } info->p_slot = p_slot; INIT_WORK(&info->work, pciehp_power_thread); + info->req = req; + queue_work(p_slot->wq, &info->work); +} + +void pciehp_queue_pushbutton_work(struct work_struct *work) +{ + struct slot *p_slot = container_of(work, struct slot, work.work); mutex_lock(&p_slot->lock); switch (p_slot->state) { case BLINKINGOFF_STATE: - p_slot->state = POWEROFF_STATE; - info->req = DISABLE_REQ; + pciehp_queue_power_work(p_slot, DISABLE_REQ); break; case BLINKINGON_STATE: - p_slot->state = POWERON_STATE; - info->req = ENABLE_REQ; + pciehp_queue_power_work(p_slot, ENABLE_REQ); break; default: - kfree(info); - goto out; + break; } - queue_work(p_slot->wq, &info->work); - out: mutex_unlock(&p_slot->lock); } @@ -301,27 +304,12 @@ static void handle_button_press_event(struct slot *p_slot) static void handle_surprise_event(struct slot *p_slot) { u8 getstatus; - struct power_work_info *info; - - info = kmalloc(sizeof(*info), GFP_KERNEL); - if (!info) { - ctrl_err(p_slot->ctrl, "%s: Cannot allocate memory\n", - __func__); - return; - } - info->p_slot = p_slot; - INIT_WORK(&info->work, pciehp_power_thread); pciehp_get_adapter_status(p_slot, &getstatus); - if (!getstatus) { - p_slot->state = POWEROFF_STATE; - info->req = DISABLE_REQ; - } else { - p_slot->state = POWERON_STATE; - info->req = ENABLE_REQ; - } - - queue_work(p_slot->wq, &info->work); + if (!getstatus) + pciehp_queue_power_work(p_slot, DISABLE_REQ); + else + pciehp_queue_power_work(p_slot, ENABLE_REQ); } /* @@ -330,17 +318,6 @@ static void handle_surprise_event(struct slot *p_slot) static void handle_link_event(struct slot *p_slot, u32 event) { struct controller *ctrl = p_slot->ctrl; - struct power_work_info *info; - - info = kmalloc(sizeof(*info), GFP_KERNEL); - if (!info) { - ctrl_err(p_slot->ctrl, "%s: Cannot allocate memory\n", - __func__); - return; - } - info->p_slot = p_slot; - info->req = event == INT_LINK_UP ? ENABLE_REQ : DISABLE_REQ; - INIT_WORK(&info->work, pciehp_power_thread); switch (p_slot->state) { case BLINKINGON_STATE: @@ -348,22 +325,19 @@ static void handle_link_event(struct slot *p_slot, u32 event) cancel_delayed_work(&p_slot->work); /* Fall through */ case STATIC_STATE: - p_slot->state = event == INT_LINK_UP ? - POWERON_STATE : POWEROFF_STATE; - queue_work(p_slot->wq, &info->work); + pciehp_queue_power_work(p_slot, event == INT_LINK_UP ? + ENABLE_REQ : DISABLE_REQ); break; case POWERON_STATE: if (event == INT_LINK_UP) { ctrl_info(ctrl, "Link Up event ignored on slot(%s): already powering on\n", slot_name(p_slot)); - kfree(info); } else { ctrl_info(ctrl, "Link Down event queued on slot(%s): currently getting powered on\n", slot_name(p_slot)); - p_slot->state = POWEROFF_STATE; - queue_work(p_slot->wq, &info->work); + pciehp_queue_power_work(p_slot, DISABLE_REQ); } break; case POWEROFF_STATE: @@ -371,19 +345,16 @@ static void handle_link_event(struct slot *p_slot, u32 event) ctrl_info(ctrl, "Link Up event queued on slot(%s): currently getting powered off\n", slot_name(p_slot)); - p_slot->state = POWERON_STATE; - queue_work(p_slot->wq, &info->work); + pciehp_queue_power_work(p_slot, ENABLE_REQ); } else { ctrl_info(ctrl, "Link Down event ignored on slot(%s): already powering off\n", slot_name(p_slot)); - kfree(info); } break; default: ctrl_err(ctrl, "ignoring invalid state %#x on slot(%s)\n", p_slot->state, slot_name(p_slot)); - kfree(info); break; } } |