add "simple" class device support [1/5]

PATCH New Greg KH 1 participant 1 message Dec 23, 2003 Driver core

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Greg KH

author

2003-12-23 21:26 UTC #0 lore raw

PATCH 1/1 add "simple" class device support [1/5]

Adds a "simple" class device interface to the kernel for char devices that don't want to roll their own struct class_device handling logic.

drivers/base/Makefile +1 -1

diff -Nru a/drivers/base/Makefile b/drivers/base/Makefile
@@ -1,7 +1,7 @@
 # Makefile for the Linux device tree
 
 obj-y			:= core.o sys.o interface.o bus.o \
-			   driver.o class.o platform.o \
+			   driver.o class.o class_simple.o platform.o \
 			   cpu.o firmware.o init.o map.o
 obj-y			+= power/
 obj-$(CONFIG_FW_LOADER)	+= firmware_class.o

drivers/base/class_simple.c new file +123 -0

123 lines not on this page · raw message

include/linux/device.h +5 -0

diff -Nru a/include/linux/device.h b/include/linux/device.h
@@ -246,6 +246,11 @@
 extern int class_interface_register(struct class_interface *);
 extern void class_interface_unregister(struct class_interface *);
 
+/* interface for simple class devices */
+extern struct class_device *simple_add_class_device(struct class *class, dev_t dev, struct device *device, const char *fmt, ...)
+	__attribute__((format(printf,4,5)));
+extern void simple_remove_class_device(dev_t dev);
+
 
 struct device {
 	struct list_head node;		/* node in sibling list */

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