Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=5b57a6cea464fc686a6bc446f667c05901fa9734
Commit: 5b57a6cea464fc686a6bc446f667c05901fa9734
Parent: cca03dec2f0eb8f3c4578e067d2b20a366b940db
Author: Kenji Kaneshige <[EMAIL PROTECTED]>
AuthorDate: Thu Jul 5 11:10:45 2007 -0700
Committer: Greg Kroah-Hartman <[EMAIL PROTECTED]>
CommitDate: Wed Jul 11 16:02:12 2007 -0700
PCI: hotplug: pciehp: wait for 1 second after power off slot
According to the specification, we must wait for at least 1 second
after turning power off before taking any action that relies on power
having been removed from the slot/adapter.
Signed-off-by: Kenji Kaneshige <[EMAIL PROTECTED]>
Signed-off-by: Kristen Carlson Accardi <[EMAIL PROTECTED]>
Signed-off-by: Greg Kroah-Hartman <[EMAIL PROTECTED]>
---
drivers/pci/hotplug/pciehp_ctrl.c | 12 ++++++++++++
1 files changed, 12 insertions(+), 0 deletions(-)
diff --git a/drivers/pci/hotplug/pciehp_ctrl.c
b/drivers/pci/hotplug/pciehp_ctrl.c
index 7f22caa..98e541f 100644
--- a/drivers/pci/hotplug/pciehp_ctrl.c
+++ b/drivers/pci/hotplug/pciehp_ctrl.c
@@ -197,6 +197,12 @@ static void set_slot_off(struct controller *ctrl, struct
slot * pslot)
__FUNCTION__);
return;
}
+ /*
+ * 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);
}
}
@@ -615,6 +621,12 @@ int pciehp_disable_slot(struct slot *p_slot)
mutex_unlock(&p_slot->ctrl->crit_sect);
return -EINVAL;
}
+ /*
+ * 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);
}
ret = remove_board(p_slot);
-
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