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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 <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>
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@ -197,6 +197,12 @@ static void set_slot_off(struct controller *ctrl, struct slot * pslot)
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__FUNCTION__);
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return;
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}
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/*
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* After turning power off, we must wait for at least
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* 1 second before taking any action that relies on
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* power having been removed from the slot/adapter.
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*/
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msleep(1000);
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}
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}
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@ -615,6 +621,12 @@ int pciehp_disable_slot(struct slot *p_slot)
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mutex_unlock(&p_slot->ctrl->crit_sect);
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return -EINVAL;
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}
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/*
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* After turning power off, we must wait for at least
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* 1 second before taking any action that relies on
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* power having been removed from the slot/adapter.
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*/
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msleep(1000);
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}
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ret = remove_board(p_slot);
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