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authorKenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>2006-01-26 09:58:30 +0900
committerGreg Kroah-Hartman <gregkh@suse.de>2006-03-23 14:35:11 -0800
commita4534560815ffc525bfbe465a290ce048aab4c01 (patch)
tree28a444dc6b9667bdf16f83ab7a339ff7c5e820a2 /drivers/pci
parent5b1a960d180e9660a87b0c661a754efabc1b1d3a (diff)
[PATCH] shpchp - cleanup controller list
This patch changes SHPCHP driver to use list_head structure for managing controller list. Signed-off-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/pci')
-rw-r--r--drivers/pci/hotplug/shpchp.h4
-rw-r--r--drivers/pci/hotplug/shpchp_core.c25
-rw-r--r--drivers/pci/hotplug/shpchp_ctrl.c2
3 files changed, 10 insertions, 21 deletions
diff --git a/drivers/pci/hotplug/shpchp.h b/drivers/pci/hotplug/shpchp.h
index c0be7a1c3ff7..f6d606dde691 100644
--- a/drivers/pci/hotplug/shpchp.h
+++ b/drivers/pci/hotplug/shpchp.h
@@ -78,7 +78,7 @@ struct event_info {
};
struct controller {
- struct controller *next;
+ struct list_head ctrl_list;
struct mutex crit_sect; /* critical section mutex */
struct php_ctlr_state_s *hpc_ctlr_handle; /* HPC controller handle */
int num_slots; /* Number of slots on ctlr */
@@ -204,7 +204,7 @@ extern void shpchp_remove_ctrl_files(struct controller *ctrl);
/* Global variables */
-extern struct controller *shpchp_ctrl_list;
+extern struct list_head shpchp_ctrl_list;
struct ctrl_reg {
volatile u32 base_offset;
diff --git a/drivers/pci/hotplug/shpchp_core.c b/drivers/pci/hotplug/shpchp_core.c
index 547bf5d6fcca..0dd0642e691b 100644
--- a/drivers/pci/hotplug/shpchp_core.c
+++ b/drivers/pci/hotplug/shpchp_core.c
@@ -38,7 +38,7 @@
int shpchp_debug;
int shpchp_poll_mode;
int shpchp_poll_time;
-struct controller *shpchp_ctrl_list; /* = NULL */
+LIST_HEAD(shpchp_ctrl_list);
#define DRIVER_VERSION "0.4"
#define DRIVER_AUTHOR "Dan Zink <dan.zink@compaq.com>, Greg Kroah-Hartman <greg@kroah.com>, Dely Sy <dely.l.sy@intel.com>"
@@ -452,13 +452,7 @@ static int shpc_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
/* Finish setting up the hot plug ctrl device */
ctrl->next_event = 0;
- if (!shpchp_ctrl_list) {
- shpchp_ctrl_list = ctrl;
- ctrl->next = NULL;
- } else {
- ctrl->next = shpchp_ctrl_list;
- shpchp_ctrl_list = ctrl;
- }
+ list_add(&ctrl->ctrl_list, &shpchp_ctrl_list);
shpchp_create_ctrl_files(ctrl);
@@ -493,22 +487,17 @@ static int shpc_start_thread(void)
static void __exit unload_shpchpd(void)
{
+ struct list_head *tmp;
+ struct list_head *next;
struct controller *ctrl;
- struct controller *tctrl;
-
- ctrl = shpchp_ctrl_list;
- while (ctrl) {
+ list_for_each_safe(tmp, next, &shpchp_ctrl_list) {
+ ctrl = list_entry(tmp, struct controller, ctrl_list);
shpchp_remove_ctrl_files(ctrl);
cleanup_slots(ctrl);
-
kfree (ctrl->pci_bus);
ctrl->hpc_ops->release_ctlr(ctrl);
-
- tctrl = ctrl;
- ctrl = ctrl->next;
-
- kfree(tctrl);
+ kfree(ctrl);
}
/* Stop the notification mechanism */
diff --git a/drivers/pci/hotplug/shpchp_ctrl.c b/drivers/pci/hotplug/shpchp_ctrl.c
index 65e69252e2f9..3a8e733aead5 100644
--- a/drivers/pci/hotplug/shpchp_ctrl.c
+++ b/drivers/pci/hotplug/shpchp_ctrl.c
@@ -688,7 +688,7 @@ static int event_thread(void* data)
if (pushbutton_pending)
shpchp_pushbutton_thread(pushbutton_pending);
else
- for (ctrl = shpchp_ctrl_list; ctrl; ctrl=ctrl->next)
+ list_for_each_entry(ctrl, &shpchp_ctrl_list, ctrl_list)
interrupt_event_handler(ctrl);
}
dbg("event_thread signals exit\n");