xtensa/PCI: Make variables static

Make these variables static, since they're only used in this file:

  pci_ctrl_head
  pci_ctrl_tail

Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
This commit is contained in:
Bjorn Helgaas 2018-05-22 07:56:12 -05:00 committed by Bjorn Helgaas
parent 99efbb86de
commit f242132bc4

View File

@ -41,8 +41,8 @@
* pci_bus_add_device
*/
struct pci_controller* pci_ctrl_head;
struct pci_controller** pci_ctrl_tail = &pci_ctrl_head;
static struct pci_controller *pci_ctrl_head;
static struct pci_controller **pci_ctrl_tail = &pci_ctrl_head;
static int pci_bus_count;