33 	struct mutex open_lock;  member
283 	mutex_lock(&(par->open_lock));  in vt8623fb_open()
296 	mutex_unlock(&(par->open_lock));  in vt8623fb_open()
305 	mutex_lock(&(par->open_lock));  in vt8623fb_release()
307 		mutex_unlock(&(par->open_lock));  in vt8623fb_release()
315 	mutex_unlock(&(par->open_lock));  in vt8623fb_release()
678 	mutex_init(&par->open_lock);  in vt8623_pci_probe()
830 	mutex_lock(&(par->open_lock));  in vt8623_pci_suspend()
833 		mutex_unlock(&(par->open_lock));  in vt8623_pci_suspend()
840 	mutex_unlock(&(par->open_lock));  in vt8623_pci_suspend()
857 	mutex_lock(&(par->open_lock));  in vt8623_pci_resume()
866 	mutex_unlock(&(par->open_lock));  in vt8623_pci_resume()