[v4,5/8] pciehp: Don't check for adapter or latch status while disabling

Commit Message

Rajat Jain Feb. 5, 2014, 2:30 a.m. UTC

It does not make much sense to refuse to disable a slot if an
adapter is not present or the latch is open. If an adapter is not
present, it provides an even better reason to disable the device
slot.

This is specially a problem for link state hot-plug, because some
ports use in band mechanism for presence detection. Thus
when link goes down, presence detect also goes down. We _want_ that
the removal should take place in such case.

Thus remove the checks for adapter and latch in pciehp_disable_slot()

Signed-off-by: Rajat Jain <[e-mail]>
Signed-off-by: Rajat Jain <[e-mail]>
Signed-off-by: Guenter Roeck <[e-mail]>
---
 drivers/pci/hotplug/pciehp_ctrl.c |   18 ------------------
 1 file changed, 18 deletions(-)

Patch

diff --git a/drivers/pci/hotplug/pciehp_ctrl.c b/drivers/pci/hotplug/pciehp_ctrl.c
index 5608284..b418e3b 100644
--- a/drivers/pci/hotplug/pciehp_ctrl.c
+++ b/drivers/pci/hotplug/pciehp_ctrl.c
@@ -582,24 +582,6 @@  int pciehp_disable_slot(struct slot *p_slot)
 	if (!p_slot->ctrl)
 		return 1;
 
-	if (!HP_SUPR_RM(p_slot->ctrl)) {
-		pciehp_get_adapter_status(p_slot, &getstatus);
-		if (!getstatus) {
-			ctrl_info(ctrl, "No adapter on slot(%s)\n",
-				  slot_name(p_slot));
-			return -ENODEV;
-		}
-	}
-
-	if (MRL_SENS(p_slot->ctrl)) {
-		pciehp_get_latch_status(p_slot, &getstatus);
-		if (getstatus) {
-			ctrl_info(ctrl, "Latch open on slot(%s)\n",
-				  slot_name(p_slot));
-			return -ENODEV;
-		}
-	}
-
 	if (POWER_CTRL(p_slot->ctrl)) {
 		pciehp_get_power_status(p_slot, &getstatus);
 		if (!getstatus) {