[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>
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@ -81,7 +81,7 @@ obj-$(CONFIG_COBALT_LCD) += lcd.o
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obj-$(CONFIG_PPDEV) += ppdev.o
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obj-$(CONFIG_NWBUTTON) += nwbutton.o
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obj-$(CONFIG_NWFLASH) += nwflash.o
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obj-$(CONFIG_SCx200_GPIO) += scx200_gpio.o
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obj-$(CONFIG_SCx200_GPIO) += scx200_gpio.o nsc_gpio.o
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obj-$(CONFIG_CS5535_GPIO) += cs5535_gpio.o
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obj-$(CONFIG_GPIO_VR41XX) += vr41xx_giu.o
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obj-$(CONFIG_TANBAC_TB0219) += tb0219.o
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@ -0,0 +1,45 @@
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/* linux/drivers/char/nsc_gpio.c
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National Semiconductor common GPIO device-file/VFS methods.
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Allows a user space process to control the GPIO pins.
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Copyright (c) 2001,2002 Christer Weinigel <wingel@nano-system.com>
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Copyright (c) 2005 Jim Cromie <jim.cromie@gmail.com>
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*/
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#include <linux/config.h>
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#include <linux/fs.h>
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#include <linux/module.h>
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#include <linux/errno.h>
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#include <linux/kernel.h>
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#include <linux/init.h>
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#include <linux/nsc_gpio.h>
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#include <asm/uaccess.h>
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#include <asm/io.h>
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#define NAME "nsc_gpio"
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MODULE_AUTHOR("Jim Cromie <jim.cromie@gmail.com>");
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MODULE_DESCRIPTION("NatSemi GPIO Common Methods");
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MODULE_LICENSE("GPL");
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static int __init nsc_gpio_init(void)
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{
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printk(KERN_DEBUG NAME " initializing\n");
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return 0;
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}
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static void __exit nsc_gpio_cleanup(void)
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{
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printk(KERN_DEBUG NAME " cleanup\n");
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}
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/* prepare for
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common routines for both scx200_gpio and pc87360_gpio
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EXPORT_SYMBOL(scx200_gpio_write);
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EXPORT_SYMBOL(scx200_gpio_read);
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EXPORT_SYMBOL(scx200_gpio_release);
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*/
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module_init(nsc_gpio_init);
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module_exit(nsc_gpio_cleanup);
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