pciehp: wait for 1000ms before LED operation after power off

[linux-2.6-omap-h63xx.git] / drivers / pci / hotplug / pciehp_hpc.c

diff --git a/drivers/pci/hotplug/pciehp_hpc.c b/drivers/pci/hotplug/pciehp_hpc.c
index 8c2d6c9b92c5de55daf6ff9d610661f1511d49e1..b2cde04ede1ad793a1c58d0a0cfcaa6691e75d33 100644 (file)
--- 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;
 }