| bcm2835_gpio.c (244412) | bcm2835_gpio.c (249449) |
|---|---|
| 1/*- 2 * Copyright (c) 2012 Oleksandr Tymoshenko <gonzo@freebsd.org> 3 * Copyright (c) 2012 Luiz Otavio O Souza. 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: --- 12 unchanged lines hidden (view full) --- 21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 * 27 */ 28#include <sys/cdefs.h> | 1/*- 2 * Copyright (c) 2012 Oleksandr Tymoshenko <gonzo@freebsd.org> 3 * Copyright (c) 2012 Luiz Otavio O Souza. 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: --- 12 unchanged lines hidden (view full) --- 21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 * 27 */ 28#include <sys/cdefs.h> |
| 29__FBSDID("$FreeBSD: head/sys/arm/broadcom/bcm2835/bcm2835_gpio.c 244412 2012-12-18 22:18:54Z gonzo $"); | 29__FBSDID("$FreeBSD: head/sys/arm/broadcom/bcm2835/bcm2835_gpio.c 249449 2013-04-13 21:21:13Z dim $"); |
| 30 31#include <sys/param.h> 32#include <sys/systm.h> 33#include <sys/bus.h> 34 35#include <sys/kernel.h> 36#include <sys/module.h> 37#include <sys/rman.h> --- 342 unchanged lines hidden (view full) --- 380 381 if (i >= sc->sc_gpio_npins) 382 return (EINVAL); 383 384 /* We never touch on read-only/reserved pins. */ 385 if (bcm_gpio_pin_is_ro(sc, pin)) 386 return (EINVAL); 387 | 30 31#include <sys/param.h> 32#include <sys/systm.h> 33#include <sys/bus.h> 34 35#include <sys/kernel.h> 36#include <sys/module.h> 37#include <sys/rman.h> --- 342 unchanged lines hidden (view full) --- 380 381 if (i >= sc->sc_gpio_npins) 382 return (EINVAL); 383 384 /* We never touch on read-only/reserved pins. */ 385 if (bcm_gpio_pin_is_ro(sc, pin)) 386 return (EINVAL); 387 |
| 388 /* Filter out unwanted flags. */ 389 if ((flags &= sc->sc_gpio_pins[i].gp_caps) != flags) | 388 /* Check for unwanted flags. */ 389 if ((flags & sc->sc_gpio_pins[i].gp_caps) != flags) |
| 390 return (EINVAL); 391 392 /* Can't mix input/output together. */ 393 if ((flags & (GPIO_PIN_INPUT|GPIO_PIN_OUTPUT)) == 394 (GPIO_PIN_INPUT|GPIO_PIN_OUTPUT)) 395 return (EINVAL); 396 397 /* Can't mix pull-up/pull-down together. */ --- 396 unchanged lines hidden --- | 390 return (EINVAL); 391 392 /* Can't mix input/output together. */ 393 if ((flags & (GPIO_PIN_INPUT|GPIO_PIN_OUTPUT)) == 394 (GPIO_PIN_INPUT|GPIO_PIN_OUTPUT)) 395 return (EINVAL); 396 397 /* Can't mix pull-up/pull-down together. */ --- 396 unchanged lines hidden --- |