diff options
| author | Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com> | 2006-12-21 17:01:10 -0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2007-02-07 15:50:05 -0800 |
| commit | 262303fe329a51463925f3749aafc358a4201397 (patch) | |
| tree | f9b82b164c8a25d94c9602d640f1b853e7633295 /drivers/pci/hotplug/pciehp.h | |
| parent | 44ef4cefb0168740184ee3d7d18254339741e9d5 (diff) | |
pciehp: fix wait command completion
This patch fixes this problem that pciehp driver will sleep
unnecessarily long when waiting for command completion. With this
patch, modprobe pciehp driver becomes very faster as follows for
instance.
o Without this patch
# time /sbin/modprobe pciehp
real 0m4.976s
user 0m0.000s
sys 0m0.004s
o With this patch
# time /sbin/modprobe pciehp
real 0m0.640s
user 0m0.000s
sys 0m0.004s
Signed-off-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Signed-off-by: Kristen Carlson Accardi <kristen.c.accardi@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/pci/hotplug/pciehp.h')
| -rw-r--r-- | drivers/pci/hotplug/pciehp.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/pci/hotplug/pciehp.h b/drivers/pci/hotplug/pciehp.h index 17167d59447..927dba9911e 100644 --- a/drivers/pci/hotplug/pciehp.h +++ b/drivers/pci/hotplug/pciehp.h @@ -100,6 +100,7 @@ struct controller { u16 vendor_id; u8 cap_base; struct timer_list poll_timer; + volatile int cmd_busy; }; #define INT_BUTTON_IGNORE 0 |