diff options
| author | Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com> | 2011-11-07 20:56:50 +0900 |
|---|---|---|
| committer | Jesse Barnes <jbarnes@virtuousgeek.org> | 2012-01-06 12:10:28 -0800 |
| commit | ab4ca7821fda0ddb7c86db3b9d64d48ea7dead72 (patch) | |
| tree | 1c21fb98c69697fea1c8b33fde3c90b24ead448c /drivers/pci | |
| parent | 863b7eb583704346d64a08b0e723635da692959e (diff) | |
| download | linux-ab4ca7821fda0ddb7c86db3b9d64d48ea7dead72.tar.bz2 | |
PCI: pciehp: Handle push button event asynchronously
Use non-ordered workqueue for attention button events.
Attention button events on each slot can be handled asynchronously. So
we should use non-ordered workqueue. This patch also removes ordered
workqueue in pciehp as a result.
Signed-off-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Diffstat (limited to 'drivers/pci')
| -rw-r--r-- | drivers/pci/hotplug/pciehp.h | 1 | ||||
| -rw-r--r-- | drivers/pci/hotplug/pciehp_core.c | 9 | ||||
| -rw-r--r-- | drivers/pci/hotplug/pciehp_ctrl.c | 4 | ||||
| -rw-r--r-- | drivers/pci/hotplug/pciehp_hpc.c | 1 |
4 files changed, 2 insertions, 13 deletions
diff --git a/drivers/pci/hotplug/pciehp.h b/drivers/pci/hotplug/pciehp.h index 838f571027b7..9a33fdde2d16 100644 --- a/drivers/pci/hotplug/pciehp.h +++ b/drivers/pci/hotplug/pciehp.h @@ -45,7 +45,6 @@ extern int pciehp_poll_time; extern int pciehp_debug; extern int pciehp_force; extern struct workqueue_struct *pciehp_wq; -extern struct workqueue_struct *pciehp_ordered_wq; #define dbg(format, arg...) \ do { \ diff --git a/drivers/pci/hotplug/pciehp_core.c b/drivers/pci/hotplug/pciehp_core.c index a13ad1308adb..b8c99d35ac97 100644 --- a/drivers/pci/hotplug/pciehp_core.c +++ b/drivers/pci/hotplug/pciehp_core.c @@ -43,7 +43,6 @@ int pciehp_poll_mode; int pciehp_poll_time; int pciehp_force; struct workqueue_struct *pciehp_wq; -struct workqueue_struct *pciehp_ordered_wq; #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>" @@ -345,18 +344,11 @@ static int __init pcied_init(void) if (!pciehp_wq) return -ENOMEM; - pciehp_ordered_wq = alloc_ordered_workqueue("pciehp_ordered", 0); - if (!pciehp_ordered_wq) { - destroy_workqueue(pciehp_wq); - return -ENOMEM; - } - pciehp_firmware_init(); retval = pcie_port_service_register(&hpdriver_portdrv); dbg("pcie_port_service_register = %d\n", retval); info(DRIVER_DESC " version: " DRIVER_VERSION "\n"); if (retval) { - destroy_workqueue(pciehp_ordered_wq); destroy_workqueue(pciehp_wq); dbg("Failure to register service\n"); } @@ -367,7 +359,6 @@ static void __exit pcied_cleanup(void) { dbg("unload_pciehpd()\n"); pcie_port_service_unregister(&hpdriver_portdrv); - destroy_workqueue(pciehp_ordered_wq); destroy_workqueue(pciehp_wq); info(DRIVER_DESC " version: " DRIVER_VERSION " unloaded\n"); } diff --git a/drivers/pci/hotplug/pciehp_ctrl.c b/drivers/pci/hotplug/pciehp_ctrl.c index 085dbb5fc168..27f44295a657 100644 --- a/drivers/pci/hotplug/pciehp_ctrl.c +++ b/drivers/pci/hotplug/pciehp_ctrl.c @@ -344,7 +344,7 @@ void pciehp_queue_pushbutton_work(struct work_struct *work) kfree(info); goto out; } - queue_work(pciehp_ordered_wq, &info->work); + queue_work(pciehp_wq, &info->work); out: mutex_unlock(&p_slot->lock); } @@ -439,7 +439,7 @@ static void handle_surprise_event(struct slot *p_slot) else p_slot->state = POWERON_STATE; - queue_work(pciehp_ordered_wq, &info->work); + queue_work(pciehp_wq, &info->work); } static void interrupt_event_handler(struct work_struct *work) diff --git a/drivers/pci/hotplug/pciehp_hpc.c b/drivers/pci/hotplug/pciehp_hpc.c index 7b1414810ae3..bcdbb1643621 100644 --- a/drivers/pci/hotplug/pciehp_hpc.c +++ b/drivers/pci/hotplug/pciehp_hpc.c @@ -806,7 +806,6 @@ static void pcie_cleanup_slot(struct controller *ctrl) struct slot *slot = ctrl->slot; cancel_delayed_work(&slot->work); flush_workqueue(pciehp_wq); - flush_workqueue(pciehp_ordered_wq); kfree(slot); } |