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path: root/drivers/pci/hotplug/shpchp_ctrl.c
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Diffstat (limited to 'drivers/pci/hotplug/shpchp_ctrl.c')
-rw-r--r--drivers/pci/hotplug/shpchp_ctrl.c31
1 files changed, 13 insertions, 18 deletions
diff --git a/drivers/pci/hotplug/shpchp_ctrl.c b/drivers/pci/hotplug/shpchp_ctrl.c
index b6fde3565e5..8541180781e 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;
}