diff options
| author | Jim Cromie <jim.cromie@gmail.com> | 2006-06-27 02:54:19 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-06-27 17:32:42 -0700 |
| commit | 1ca5df0a4cbd17a9536e63c5f69d4717c6538eb0 (patch) | |
| tree | 8986bbadc721599a0751b8ec6488f22bac2ce4a6 /drivers/char | |
| parent | c3dc8071eedaac8c8a05c30fe20b78452a818dd9 (diff) | |
[PATCH] chardev: GPIO for SCx200 & PC-8736x: add empty common-module
Add the nsc_gpio common-support module as an empty shell. Next patch starts
the migration of the common gpio support routines.
Signed-off-by: Jim Cromie <jim.cromie@gmail.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'drivers/char')
| -rw-r--r-- | drivers/char/Makefile | 2 | ||||
| -rw-r--r-- | drivers/char/nsc_gpio.c | 45 |
2 files changed, 46 insertions, 1 deletions
diff --git a/drivers/char/Makefile b/drivers/char/Makefile index 524105597ea7..8bcaf4d80359 100644 --- a/drivers/char/Makefile +++ b/drivers/char/Makefile @@ -81,7 +81,7 @@ obj-$(CONFIG_COBALT_LCD) += lcd.o obj-$(CONFIG_PPDEV) += ppdev.o obj-$(CONFIG_NWBUTTON) += nwbutton.o obj-$(CONFIG_NWFLASH) += nwflash.o -obj-$(CONFIG_SCx200_GPIO) += scx200_gpio.o +obj-$(CONFIG_SCx200_GPIO) += scx200_gpio.o nsc_gpio.o obj-$(CONFIG_CS5535_GPIO) += cs5535_gpio.o obj-$(CONFIG_GPIO_VR41XX) += vr41xx_giu.o obj-$(CONFIG_TANBAC_TB0219) += tb0219.o diff --git a/drivers/char/nsc_gpio.c b/drivers/char/nsc_gpio.c new file mode 100644 index 000000000000..42d95904967c --- /dev/null +++ b/drivers/char/nsc_gpio.c @@ -0,0 +1,45 @@ +/* linux/drivers/char/nsc_gpio.c + + National Semiconductor common GPIO device-file/VFS methods. + Allows a user space process to control the GPIO pins. + + Copyright (c) 2001,2002 Christer Weinigel <wingel@nano-system.com> + Copyright (c) 2005 Jim Cromie <jim.cromie@gmail.com> +*/ + +#include <linux/config.h> +#include <linux/fs.h> +#include <linux/module.h> +#include <linux/errno.h> +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/nsc_gpio.h> +#include <asm/uaccess.h> +#include <asm/io.h> + +#define NAME "nsc_gpio" + +MODULE_AUTHOR("Jim Cromie <jim.cromie@gmail.com>"); +MODULE_DESCRIPTION("NatSemi GPIO Common Methods"); +MODULE_LICENSE("GPL"); + +static int __init nsc_gpio_init(void) +{ + printk(KERN_DEBUG NAME " initializing\n"); + return 0; +} + +static void __exit nsc_gpio_cleanup(void) +{ + printk(KERN_DEBUG NAME " cleanup\n"); +} + +/* prepare for + common routines for both scx200_gpio and pc87360_gpio +EXPORT_SYMBOL(scx200_gpio_write); +EXPORT_SYMBOL(scx200_gpio_read); +EXPORT_SYMBOL(scx200_gpio_release); +*/ + +module_init(nsc_gpio_init); +module_exit(nsc_gpio_cleanup); |