230 	u16 m, pmux, pfunc, mask;  in portmux_group_check()  local
235 	pmux = bfin_read_PORT_MUX();  in portmux_group_check()
249 		pfunc = (pmux >> offset) & mask;  in portmux_group_check()
265 	u16 pmux, mask;  in portmux_setup()  local
270 	pmux = bfin_read_PORT_MUX();  in portmux_setup()
276 	pmux &= ~(mask << offset);  in portmux_setup()
277 	pmux |= ((function & mask) << offset);  in portmux_setup()
279 	bfin_write_PORT_MUX(pmux);  in portmux_setup()
316 	u16 pmux;  in portmux_setup()  local
318 	pmux = *port_mux[gpio_bank(ident)];  in portmux_setup()
319 	if  (((pmux >> offset) & 3) == function)  in portmux_setup()
321 	pmux &= ~(3 << offset);  in portmux_setup()
322 	pmux |= (function & 3) << offset;  in portmux_setup()
323 	*port_mux[gpio_bank(ident)] = pmux;  in portmux_setup()