Commit 1ca5df0a authored by Jim Cromie's avatar Jim Cromie Committed by Linus Torvalds
Browse files

[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: default avatarJim Cromie <jim.cromie@gmail.com>
Signed-off-by: default avatarAndrew Morton <akpm@osdl.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
parent c3dc8071

drivers/char/Makefile

+1 −1
Original line number Diff line number Diff line
@@ -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

drivers/char/nsc_gpio.c

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+45 −0
Original line number Diff line number Diff line 
/* 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);