#include <linux/spinlock.h>
-int cs4281_resume_null(struct pci_dev *pcidev) { return 0; }
-int cs4281_suspend_null(struct pci_dev *pcidev, u32 state) { return 0; }
+static int cs4281_resume_null(struct pci_dev *pcidev) { return 0; }
+static int cs4281_suspend_null(struct pci_dev *pcidev, u32 state) { return 0; }
#define free_dmabuf(state, dmabuf) \
pci_free_consistent(state->pcidev, \