[patch -mm 10/20] chardev: GPIO for SCx200 & PC-8736x: add emptycommon-module

[Jim Cromie]

10/20. patch.nscgpio-shell

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@xxxxxxxxx>

---

diffstat gpio-scx/patch.nscgpio-shell
Makefile   |    2 +-
nsc_gpio.c |   45 +++++++++++++++++++++++++++++++++++++++++++++
2 files changed, 46 insertions(+), 1 deletion(-)

diff -ruNp -X dontdiff -X exclude-diffs ax-9/drivers/char/Makefile ax-10/drivers/char/Makefile
--- ax-9/drivers/char/Makefile	2006-06-06 17:15:36.000000000 -0600
+++ ax-10/drivers/char/Makefile	2006-06-17 01:27:04.000000000 -0600
@@ -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 -ruNp -X dontdiff -X exclude-diffs ax-9/drivers/char/nsc_gpio.c ax-10/drivers/char/nsc_gpio.c
--- ax-9/drivers/char/nsc_gpio.c	1969-12-31 17:00:00.000000000 -0700
+++ ax-10/drivers/char/nsc_gpio.c	2006-06-17 01:27:04.000000000 -0600
@@ -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@xxxxxxxxxxxxxxx>
+   Copyright (c) 2005      Jim Cromie <jim.cromie@xxxxxxxxx>
+*/
+
+#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@xxxxxxxxx>");
+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);


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