diff options
| author | Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com> | 2007-12-20 13:43:56 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2008-02-02 02:04:28 +0300 |
| commit | 8bb7c7af1ff2a9e9e0936dbdd15901c80329c7af (patch) | |
| tree | 0368c41b8cec3b8f4498568abc4e593e8c2ec49b /drivers/pci/hotplug/pciehp_hpc.c | |
| parent | d48b5d3a50c06357c721e81fa9354598282b6549 (diff) | |
| download | linux-8bb7c7af1ff2a9e9e0936dbdd15901c80329c7af.tar.xz | |
pciehp: wait for 1000ms before LED operation after power off
After turning power off, we must wait for at least 1 second *before*
LED operation.
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_hpc.c')
| -rw-r--r-- | drivers/pci/hotplug/pciehp_hpc.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/pci/hotplug/pciehp_hpc.c b/drivers/pci/hotplug/pciehp_hpc.c index 8c2d6c9b92c5..b2cde04ede1a 100644 --- a/drivers/pci/hotplug/pciehp_hpc.c +++ b/drivers/pci/hotplug/pciehp_hpc.c @@ -674,6 +674,13 @@ static int hpc_power_off_slot(struct slot * slot) dbg("%s: SLOTCTRL %x write cmd %x\n", __FUNCTION__, ctrl->cap_base + SLOTCTRL, slot_cmd); + /* + * After turning power off, we must wait for at least 1 second + * before taking any action that relies on power having been + * removed from the slot/adapter. + */ + msleep(1000); + return retval; } |