1 files changed, 19 insertions, 17 deletions

diff --git a/drivers/pci/hotplug/pciehp_ctrl.c b/drivers/pci/hotplug/pciehp_ctrl.c
index 0a7aa628e95..96a5d55a498 100644
--- a/drivers/pci/hotplug/pciehp_ctrl.c
+++ b/drivers/pci/hotplug/pciehp_ctrl.c
@@ -55,16 +55,13 @@ static int queue_interrupt_event(struct slot *p_slot, u32 event_type)
         return 0;
 }
 
-u8 pciehp_handle_attention_button(u8 hp_slot, struct controller *ctrl)
+u8 pciehp_handle_attention_button(struct slot *p_slot)
 {
-        struct slot *p_slot;
         u32 event_type;
 
         /* Attention Button Change */
         dbg("pciehp:  Attention button interrupt received.\n");
 
-        p_slot = pciehp_find_slot(ctrl, hp_slot + ctrl->slot_device_offset);
-
         /*
          *  Button pressed - See if need to TAKE ACTION!!!
          */
@@ -76,18 +73,15 @@ u8 pciehp_handle_attention_button(u8 hp_slot, struct controller *ctrl)
         return 0;
 }
 
-u8 pciehp_handle_switch_change(u8 hp_slot, struct controller *ctrl)
+u8 pciehp_handle_switch_change(struct slot *p_slot)
 {
-        struct slot *p_slot;
         u8 getstatus;
         u32 event_type;
 
         /* Switch Change */
         dbg("pciehp:  Switch interrupt received.\n");
 
-        p_slot = pciehp_find_slot(ctrl, hp_slot + ctrl->slot_device_offset);
         p_slot->hpc_ops->get_latch_status(p_slot, &getstatus);
-
         if (getstatus) {
                 /*
                  * Switch opened
@@ -107,17 +101,14 @@ u8 pciehp_handle_switch_change(u8 hp_slot, struct controller *ctrl)
         return 1;
 }
 
-u8 pciehp_handle_presence_change(u8 hp_slot, struct controller *ctrl)
+u8 pciehp_handle_presence_change(struct slot *p_slot)
 {
-        struct slot *p_slot;
         u32 event_type;
         u8 presence_save;
 
         /* Presence Change */
         dbg("pciehp:  Presence/Notify input change.\n");
 
-        p_slot = pciehp_find_slot(ctrl, hp_slot + ctrl->slot_device_offset);
-
         /* Switch is open, assume a presence change
          * Save the presence state
          */
@@ -141,16 +132,13 @@ u8 pciehp_handle_presence_change(u8 hp_slot, struct controller *ctrl)
         return 1;
 }
 
-u8 pciehp_handle_power_fault(u8 hp_slot, struct controller *ctrl)
+u8 pciehp_handle_power_fault(struct slot *p_slot)
 {
-        struct slot *p_slot;
         u32 event_type;
 
         /* power fault */
         dbg("pciehp:  Power fault interrupt received.\n");
 
-        p_slot = pciehp_find_slot(ctrl, hp_slot + ctrl->slot_device_offset);
-
         if ( !(p_slot->hpc_ops->query_power_fault(p_slot))) {
                 /*
                  * power fault Cleared
@@ -163,7 +151,7 @@ u8 pciehp_handle_power_fault(u8 hp_slot, struct controller *ctrl)
                  */
                 info("Power fault on Slot(%s)\n", p_slot->name);
                 event_type = INT_POWER_FAULT;
-                info("power fault bit %x set\n", hp_slot);
+                info("power fault bit %x set\n", 0);
         }
 
         queue_interrupt_event(p_slot, event_type);
@@ -186,6 +174,13 @@ static void set_slot_off(struct controller *ctrl, struct slot * pslot)
                 }
         }
 
+        /*
+         * After turning power off, we must wait for at least 1 second
+         * before taking any action that relies on power having been
+         * removed from the slot/adapter.
+         */
+        msleep(1000);
+
         if (PWR_LED(ctrl))
                 pslot->hpc_ops->green_led_off(pslot);
 
@@ -289,6 +284,13 @@ static int remove_board(struct slot *p_slot)
                 }
         }
 
+        /*
+         * After turning power off, we must wait for at least 1 second
+         * before taking any action that relies on power having been
+         * removed from the slot/adapter.
+         */
+        msleep(1000);
+
         if (PWR_LED(ctrl))
                 /* turn off Green LED */
                 p_slot->hpc_ops->green_led_off(p_slot);