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pciehp: Mask hotplug interrupt at controller release

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We must disable hotplug interrupt at controller relase time, otherwise
spurious interrupts might happen if any slot events occured (e.g. MRL
change) after unloading pciehp driver.

Signed-off-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Signed-off-by:  Kristen Carlson Accardi <kristen.c.accardi@intel.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
This commit is contained in:
Kenji Kaneshige 2008-04-25 14:39:07 -07:00 committed by Jesse Barnes
parent cff006543f
commit d84be093a8
1 changed files with 4 additions and 0 deletions
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4
drivers/pci/hotplug/pciehp_hpc.c
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@ -537,6 +537,10 @@ static void hpc_set_green_led_blink(struct slot *slot)
static void hpc_release_ctlr(struct controller *ctrl)
{
/* Mask Hot-plug Interrupt Enable */
if (pcie_write_cmd(ctrl, 0, HP_INTR_ENABLE | CMD_CMPL_INTR_ENABLE))
err("%s: Cannot mask hotplut interrupt enable\n", __func__);
if (pciehp_poll_mode)
del_timer(&ctrl->poll_timer);
else