| gpiobus.c (279620) | gpiobus.c (279622) |
|---|---|
| 1/*- 2 * Copyright (c) 2009 Oleksandr Tymoshenko <gonzo@freebsd.org> 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 11 unchanged lines hidden (view full) --- 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 */ 26 27#include <sys/cdefs.h> | 1/*- 2 * Copyright (c) 2009 Oleksandr Tymoshenko <gonzo@freebsd.org> 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 11 unchanged lines hidden (view full) --- 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 */ 26 27#include <sys/cdefs.h> |
| 28__FBSDID("$FreeBSD: head/sys/dev/gpio/gpiobus.c 279620 2015-03-05 01:49:58Z loos $"); | 28__FBSDID("$FreeBSD: head/sys/dev/gpio/gpiobus.c 279622 2015-03-05 03:11:47Z loos $"); |
| 29 30#include <sys/param.h> 31#include <sys/systm.h> 32#include <sys/bus.h> 33#include <sys/gpio.h> 34#include <sys/kernel.h> 35#include <sys/malloc.h> 36#include <sys/module.h> --- 188 unchanged lines hidden (view full) --- 225 } 226 if (devi->pins) { 227 free(devi->pins, M_DEVBUF); 228 devi->pins = NULL; 229 } 230} 231 232int | 29 30#include <sys/param.h> 31#include <sys/systm.h> 32#include <sys/bus.h> 33#include <sys/gpio.h> 34#include <sys/kernel.h> 35#include <sys/malloc.h> 36#include <sys/module.h> --- 188 unchanged lines hidden (view full) --- 225 } 226 if (devi->pins) { 227 free(devi->pins, M_DEVBUF); 228 devi->pins = NULL; 229 } 230} 231 232int |
| 233gpiobus_map_pin(device_t bus, device_t child, uint32_t pin) | 233gpiobus_map_pin(device_t bus, uint32_t pin) |
| 234{ 235 struct gpiobus_softc *sc; 236 237 sc = device_get_softc(bus); 238 /* Consistency check. */ 239 if (pin >= sc->sc_npins) { | 234{ 235 struct gpiobus_softc *sc; 236 237 sc = device_get_softc(bus); 238 /* Consistency check. */ 239 if (pin >= sc->sc_npins) { |
| 240 device_printf(child, | 240 device_printf(bus, |
| 241 "invalid pin %d, max: %d\n", pin, sc->sc_npins - 1); 242 return (-1); 243 } 244 /* Mark pin as mapped and give warning if it's already mapped. */ 245 if (sc->sc_pins_mapped[pin]) { | 241 "invalid pin %d, max: %d\n", pin, sc->sc_npins - 1); 242 return (-1); 243 } 244 /* Mark pin as mapped and give warning if it's already mapped. */ 245 if (sc->sc_pins_mapped[pin]) { |
| 246 device_printf(child, 247 "warning: pin %d is already mapped\n", pin); | 246 device_printf(bus, "warning: pin %d is already mapped\n", pin); |
| 248 return (-1); 249 } 250 sc->sc_pins_mapped[pin] = 1; 251 252 return (0); 253} 254 255static int --- 16 unchanged lines hidden (view full) --- 272 device_printf(child, "cannot allocate device ivars\n"); 273 return (EINVAL); 274 } 275 npins = 0; 276 for (i = 0; i < 32; i++) { 277 if ((mask & (1 << i)) == 0) 278 continue; 279 /* Reserve the GPIO pin. */ | 247 return (-1); 248 } 249 sc->sc_pins_mapped[pin] = 1; 250 251 return (0); 252} 253 254static int --- 16 unchanged lines hidden (view full) --- 271 device_printf(child, "cannot allocate device ivars\n"); 272 return (EINVAL); 273 } 274 npins = 0; 275 for (i = 0; i < 32; i++) { 276 if ((mask & (1 << i)) == 0) 277 continue; 278 /* Reserve the GPIO pin. */ |
| 280 if (gpiobus_map_pin(sc->sc_busdev, child, i) != 0) { | 279 if (gpiobus_map_pin(sc->sc_busdev, i) != 0) { |
| 281 gpiobus_free_ivars(devi); 282 return (EINVAL); 283 } 284 devi->pins[npins++] = i; 285 } 286 287 return (0); 288} --- 428 unchanged lines hidden --- | 280 gpiobus_free_ivars(devi); 281 return (EINVAL); 282 } 283 devi->pins[npins++] = i; 284 } 285 286 return (0); 287} --- 428 unchanged lines hidden --- |