PCI: pciehp: remove num_slots field

Since PCIe downstream port has only one slot at most, we don't need
num_slots field in struct controller. Note that struct controller
itself doesn't exist if PCIe downstream port has no slot.

Acked-by: Alex Chiang <achiang@hp.com>
Signed-off-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>

2 files changed, 0 insertions, 2 deletions

diff --git a/drivers/pci/hotplug/pciehp.h b/drivers/pci/hotplug/pciehp.h
index af397b1291ea..0282bae81eb1 100644
--- a/drivers/pci/hotplug/pciehp.h
+++ b/drivers/pci/hotplug/pciehp.h
@@ -93,7 +93,6 @@ struct event_info {
 struct controller {
         struct mutex crit_sect;         /* critical section mutex */
         struct mutex ctrl_lock;         /* controller lock */
-        int num_slots;                  /* Number of slots on ctlr */
         int slot_num_inc;               /* 1 or -1 */
         struct pci_dev *pci_dev;
         struct pcie_device *pcie;       /* PCI Express port service */
diff --git a/drivers/pci/hotplug/pciehp_hpc.c b/drivers/pci/hotplug/pciehp_hpc.c
index cb0cf2cae7b7..d573338af1a4 100644
--- a/drivers/pci/hotplug/pciehp_hpc.c
+++ b/drivers/pci/hotplug/pciehp_hpc.c
@@ -1025,7 +1025,6 @@ struct controller *pcie_init(struct pcie_device *dev)
         ctrl->slot_cap = slot_cap;
         ctrl->first_slot = slot_cap >> 19;
         ctrl->slot_device_offset = 0;
-        ctrl->num_slots = 1;
         ctrl->hpc_ops = &pciehp_hpc_ops;
         mutex_init(&ctrl->crit_sect);
         mutex_init(&ctrl->ctrl_lock);