dbg_port_buf
static char *dbg_port_buf(char *buf, unsigned len, const char *label, int port,
static inline int __maybe_unused dbg_port_buf(char *buf,
dbg_port_buf(char *buf, unsigned len, const char *label, int port, u32 status)
static int dbg_port_buf(char *buf, unsigned len, const char *label,
dbg_port_buf(char *buf, unsigned len, const char *label, int port, u32 status)