diff options
author | Stephen Rothwell <sfr@canb.auug.org.au> | 2011-07-25 21:59:46 +0400 |
---|---|---|
committer | Trond Myklebust <Trond.Myklebust@netapp.com> | 2011-07-25 22:53:52 +0400 |
commit | 5f00bcb38ef9a980a33c6dbdc0044964b05f22dd (patch) | |
tree | 3175fb9375aecb50bde1be0bf4fa8aa8155131d6 /arch/openrisc/include/asm/gpio.h | |
parent | 34006cee28f7344f9557a4be3816c7891b1bbab1 (diff) | |
parent | b6844e8f64920cdee620157252169ba63afb0c89 (diff) | |
download | linux-5f00bcb38ef9a980a33c6dbdc0044964b05f22dd.tar.xz |
Merge branch 'master' into devel and apply fixup from Stephen Rothwell:
vfs/nfs: fixup for nfs_open_context change
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'arch/openrisc/include/asm/gpio.h')
-rw-r--r-- | arch/openrisc/include/asm/gpio.h | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/arch/openrisc/include/asm/gpio.h b/arch/openrisc/include/asm/gpio.h new file mode 100644 index 000000000000..0b0d174f47cd --- /dev/null +++ b/arch/openrisc/include/asm/gpio.h @@ -0,0 +1,65 @@ +/* + * OpenRISC Linux + * + * Linux architectural port borrowing liberally from similar works of + * others. All original copyrights apply as per the original source + * declaration. + * + * OpenRISC implementation: + * Copyright (C) 2003 Matjaz Breskvar <phoenix@bsemi.com> + * Copyright (C) 2010-2011 Jonas Bonn <jonas@southpole.se> + * et al. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + */ + +#ifndef __ASM_OPENRISC_GPIO_H +#define __ASM_OPENRISC_GPIO_H + +#include <linux/errno.h> +#include <asm-generic/gpio.h> + +#ifdef CONFIG_GPIOLIB + +/* + * OpenRISC (or1k) does not have on-chip GPIO's so there is not really + * any standardized implementation that makes sense here. If passing + * through gpiolib becomes a bottleneck then it may make sense, on a + * case-by-case basis, to implement these inlined/rapid versions. + * + * Just call gpiolib. + */ +static inline int gpio_get_value(unsigned int gpio) +{ + return __gpio_get_value(gpio); +} + +static inline void gpio_set_value(unsigned int gpio, int value) +{ + __gpio_set_value(gpio, value); +} + +static inline int gpio_cansleep(unsigned int gpio) +{ + return __gpio_cansleep(gpio); +} + +/* + * Not implemented, yet. + */ +static inline int gpio_to_irq(unsigned int gpio) +{ + return -ENOSYS; +} + +static inline int irq_to_gpio(unsigned int irq) +{ + return -EINVAL; +} + +#endif /* CONFIG_GPIOLIB */ + +#endif /* __ASM_OPENRISC_GPIO_H */ |