[PATCH] shpchp: miscellaneous cleanups

Remove un-necessary header includes, remove dead code, remove
some type casts, receive function return in the correct data
type...

Signed-off-by: Rajesh Shah <rajesh.shah@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

1 files changed, 13 insertions, 18 deletions

diff --git a/drivers/pci/hotplug/shpchp_ctrl.c b/drivers/pci/hotplug/shpchp_ctrl.c
index b6fde3565e55..8541180781e1 100644
--- a/drivers/pci/hotplug/shpchp_ctrl.c
+++ b/drivers/pci/hotplug/shpchp_ctrl.c
@@ -27,15 +27,9 @@
  *
  */
 
-#include <linux/config.h>
 #include <linux/module.h>
 #include <linux/kernel.h>
 #include <linux/types.h>
-#include <linux/slab.h>
-#include <linux/workqueue.h>
-#include <linux/interrupt.h>
-#include <linux/delay.h>
-#include <linux/wait.h>
 #include <linux/smp_lock.h>
 #include <linux/pci.h>
 #include "../pci.h"
@@ -242,9 +236,10 @@ u8 shpchp_handle_power_fault(u8 hp_slot, void *inst_id)
 /* The following routines constitute the bulk of the 
    hotplug controller logic
  */
-static u32 change_bus_speed(struct controller *ctrl, struct slot *p_slot, enum pci_bus_speed speed)
+static int change_bus_speed(struct controller *ctrl, struct slot *p_slot,
+                enum pci_bus_speed speed)
 { 
-        u32 rc = 0;
+        int rc = 0;
 
         dbg("%s: change to speed %d\n", __FUNCTION__, speed);
         down(&ctrl->crit_sect);
@@ -266,10 +261,11 @@ static u32 change_bus_speed(struct controller *ctrl, struct slot *p_slot, enum p
         return rc;
 }
 
-static u32 fix_bus_speed(struct controller *ctrl, struct slot *pslot, u8 flag, 
-enum pci_bus_speed asp, enum pci_bus_speed bsp, enum pci_bus_speed msp)
+static int fix_bus_speed(struct controller *ctrl, struct slot *pslot,
+                u8 flag, enum pci_bus_speed asp, enum pci_bus_speed bsp,
+                enum pci_bus_speed msp)
 { 
-        u32 rc = 0;
+        int rc = 0;
         
         if (flag != 0) { /* Other slots on the same bus are occupied */
                 if ( asp < bsp ) {
@@ -308,11 +304,11 @@ enum pci_bus_speed asp, enum pci_bus_speed bsp, enum pci_bus_speed msp)
  * Configures board
  *
  */
-static u32 board_added(struct slot *p_slot)
+static int board_added(struct slot *p_slot)
 {
         u8 hp_slot;
         u8 slots_not_empty = 0;
-        u32 rc = 0;
+        int rc = 0;
         enum pci_bus_speed adapter_speed, bus_speed, max_bus_speed;
         u8 pi, mode;
         struct controller *ctrl = p_slot->ctrl;
@@ -580,11 +576,11 @@ err_exit:
  * remove_board - Turns off slot and LED's
  *
  */
-static u32 remove_board(struct slot *p_slot)
+static int remove_board(struct slot *p_slot)
 {
         struct controller *ctrl = p_slot->ctrl;
         u8 hp_slot;
-        u32 rc;
+        int rc;
 
         if (shpchp_unconfigure_device(p_slot))
                 return(1);
@@ -961,7 +957,6 @@ int shpchp_enable_slot (struct slot *p_slot)
 int shpchp_disable_slot (struct slot *p_slot)
 {
         u8 getstatus = 0;
-        u32 rc = 0;
         int ret = 0;
 
         if (!p_slot->ctrl)
@@ -990,8 +985,8 @@ int shpchp_disable_slot (struct slot *p_slot)
         }
         up(&p_slot->ctrl->crit_sect);
 
-        rc = remove_board(p_slot);
+        ret = remove_board(p_slot);
         update_slot_info(p_slot);
-        return rc;
+        return ret;
 }