Hi Anton, On Tuesday 11 March 2008 19:42, Anton Vorontsov wrote: > This patch implements support for the GPIO LIB API. Two calls > unimplemented though: irq_to_gpio and gpio_to_irq. > > Signed-off-by: Anton Vorontsov <[EMAIL PROTECTED]> > --- > Documentation/powerpc/booting-without-of.txt | 52 ++++++++++++++++++++++++ > arch/powerpc/Kconfig | 5 ++ > include/asm-powerpc/gpio.h | 55 > ++++++++++++++++++++++++++ > 3 files changed, 112 insertions(+), 0 deletions(-) > create mode 100644 include/asm-powerpc/gpio.h
[snip] > diff --git a/include/asm-powerpc/gpio.h b/include/asm-powerpc/gpio.h > new file mode 100644 > index 0000000..057840d > --- /dev/null > +++ b/include/asm-powerpc/gpio.h > @@ -0,0 +1,55 @@ > +/* > + * Generic GPIO API implementation for PowerPC. > + * > + * Copyright (c) 2007-2008 MontaVista Software, Inc. > + * > + * Author: Anton Vorontsov <[EMAIL PROTECTED]> > + * > + * 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_POWERPC_GPIO_H > +#define __ASM_POWERPC_GPIO_H > + > +#include <asm-generic/gpio.h> > + > +#ifdef CONFIG_HAVE_GPIO_LIB > + > +/* > + * We don't (yet) implement inlined/rapid versions for on-chip gpios. > + * 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; > +} You should include <linux/errno.h>. > +#endif /* CONFIG_HAVE_GPIO_LIB */ > + > +#endif /* __ASM_POWERPC_GPIO_H */ Best regards, -- Laurent Pinchart CSE Semaphore Belgium Chaussée de Bruxelles, 732A B-1410 Waterloo Belgium T +32 (2) 387 42 59 F +32 (2) 387 42 75
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