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