- while (change) {
- change = 0;
-
- for (loop = 0; loop < 10; loop++) {
- if (ctrl->event_queue[loop].event_type != 0) {
- dbg("%s:loop %x event_type %x\n", __FUNCTION__, loop,
- ctrl->event_queue[loop].event_type);
- hp_slot = ctrl->event_queue[loop].hp_slot;
-
- p_slot = shpchp_find_slot(ctrl, hp_slot + ctrl->slot_device_offset);
-
- if (ctrl->event_queue[loop].event_type == INT_BUTTON_CANCEL) {
- dbg("%s: button cancel\n", __FUNCTION__);
- del_timer(&p_slot->task_event);
-
- switch (p_slot->state) {
- case BLINKINGOFF_STATE:
- /* Wait for exclusive access to hardware */
- down(&ctrl->crit_sect);
-
- p_slot->hpc_ops->green_led_on(p_slot);
-
- p_slot->hpc_ops->set_attention_status(p_slot, 0);
-
- /* Done with exclusive hardware access */
- up(&ctrl->crit_sect);
- break;
- case BLINKINGON_STATE:
- /* Wait for exclusive access to hardware */
- down(&ctrl->crit_sect);
-
- p_slot->hpc_ops->green_led_off(p_slot);
-
- p_slot->hpc_ops->set_attention_status(p_slot, 0);
-
- /* Done with exclusive hardware access */
- up(&ctrl->crit_sect);
-
- break;
- default:
- warn("Not a valid state\n");
- return;
- }
- info(msg_button_cancel, p_slot->number);
- p_slot->state = STATIC_STATE;
- } else if (ctrl->event_queue[loop].event_type == INT_BUTTON_PRESS) {
- /* Button Pressed (No action on 1st press...) */
- dbg("%s: Button pressed\n", __FUNCTION__);
-
- p_slot->hpc_ops->get_power_status(p_slot, &getstatus);
- if (getstatus) {
- /* slot is on */
- dbg("%s: slot is on\n", __FUNCTION__);
- p_slot->state = BLINKINGOFF_STATE;
- info(msg_button_off, p_slot->number);
- } else {
- /* slot is off */
- dbg("%s: slot is off\n", __FUNCTION__);
- p_slot->state = BLINKINGON_STATE;
- info(msg_button_on, p_slot->number);
- }
-
- /* Wait for exclusive access to hardware */
- down(&ctrl->crit_sect);
-
- /* blink green LED and turn off amber */
- p_slot->hpc_ops->green_led_blink(p_slot);
-
- p_slot->hpc_ops->set_attention_status(p_slot, 0);
-
- /* Done with exclusive hardware access */
- up(&ctrl->crit_sect);
-
- init_timer(&p_slot->task_event);
- p_slot->task_event.expires = jiffies + 5 * HZ; /* 5 second delay */
- p_slot->task_event.function = (void (*)(unsigned long)) pushbutton_helper_thread;
- p_slot->task_event.data = (unsigned long) p_slot;
-
- dbg("%s: add_timer p_slot = %p\n", __FUNCTION__,(void *) p_slot);
- add_timer(&p_slot->task_event);
- } else if (ctrl->event_queue[loop].event_type == INT_POWER_FAULT) {
- /***********POWER FAULT********************/
- dbg("%s: power fault\n", __FUNCTION__);
- /* Wait for exclusive access to hardware */
- down(&ctrl->crit_sect);
-
- p_slot->hpc_ops->set_attention_status(p_slot, 1);
-
- p_slot->hpc_ops->green_led_off(p_slot);
-
- /* Done with exclusive hardware access */
- up(&ctrl->crit_sect);
- } else {
- /* refresh notification */
- if (p_slot)
- update_slot_info(p_slot);
- }
-
- ctrl->event_queue[loop].event_type = 0;
-
- change = 1;
- }
- } /* End of FOR loop */
+ switch (p_slot->state) {
+ case STATIC_STATE:
+ p_slot->hpc_ops->get_power_status(p_slot, &getstatus);
+ if (getstatus) {
+ p_slot->state = BLINKINGOFF_STATE;
+ info("PCI slot #%s - powering off due to button "
+ "press.\n", p_slot->name);
+ } else {
+ p_slot->state = BLINKINGON_STATE;
+ info("PCI slot #%s - powering on due to button "
+ "press.\n", p_slot->name);
+ }
+ /* blink green LED and turn off amber */
+ p_slot->hpc_ops->green_led_blink(p_slot);
+ p_slot->hpc_ops->set_attention_status(p_slot, 0);
+
+ schedule_delayed_work(&p_slot->work, 5*HZ);
+ break;
+ case BLINKINGOFF_STATE:
+ case BLINKINGON_STATE:
+ /*
+ * Cancel if we are still blinking; this means that we
+ * press the attention again before the 5 sec. limit
+ * expires to cancel hot-add or hot-remove
+ */
+ info("Button cancel on Slot(%s)\n", p_slot->name);
+ dbg("%s: button cancel\n", __FUNCTION__);
+ cancel_delayed_work(&p_slot->work);
+ if (p_slot->state == BLINKINGOFF_STATE)
+ p_slot->hpc_ops->green_led_on(p_slot);
+ else
+ p_slot->hpc_ops->green_led_off(p_slot);
+ p_slot->hpc_ops->set_attention_status(p_slot, 0);
+ info("PCI slot #%s - action canceled due to button press\n",
+ p_slot->name);
+ p_slot->state = STATIC_STATE;
+ break;
+ case POWEROFF_STATE:
+ case POWERON_STATE:
+ /*
+ * Ignore if the slot is on power-on or power-off state;
+ * this means that the previous attention button action
+ * to hot-add or hot-remove is undergoing
+ */
+ info("Button ignore on Slot(%s)\n", p_slot->name);
+ update_slot_info(p_slot);
+ break;
+ default:
+ warn("Not a valid state\n");
+ break;