pciehp: remove unnecessary pci_disable_msi

This patch fixes the problem that "irq XX: nobody cared" kernel oops
is reported when pciehp is once rmmoded and insmoded again. The cause
of this problem is pciehp driver calls pci_disable_msi() at controller
release time, even though it must be done by PCI Express Port Bus
driver. This patch removes unnecessary pci_disable_msi() call from
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: Greg Kroah-Hartman <gregkh@suse.de>

1 files changed, 0 insertions, 2 deletions

diff --git a/drivers/pci/hotplug/pciehp_hpc.c b/drivers/pci/hotplug/pciehp_hpc.c
index 1c551c697c35..6d3f580f2666 100644
--- a/drivers/pci/hotplug/pciehp_hpc.c
+++ b/drivers/pci/hotplug/pciehp_hpc.c
@@ -718,8 +718,6 @@ static void hpc_release_ctlr(struct controller *ctrl)
                 if (php_ctlr->irq) {
                         free_irq(php_ctlr->irq, ctrl);
                         php_ctlr->irq = 0;
-                        if (!pcie_mch_quirk) 
-                                pci_disable_msi(php_ctlr->pci_dev);
                 }
         }
         if (php_ctlr->pci_dev)