arm linux驱动make发生的错误，大家帮忙看看

编的一个驱动，用的是2.6.22内核，交叉编译器是arm-linux-gcc 3.4.1。
下面是我的makefile文件：
KERNELDIR :=/home/arm/linux-2.6.22.19
PWD :=$(shell pwd)
CFLAGS =-D__KERNEL__ -DMODULE -I$(KERNELDIR)/include/
CROSS_COMPILE =/home/arm/3.4.1/bin/arm-linux-
CC =$(CROSS_COMPILE)gcc

obj-m := mydev_driver.o

mydev_driver.o : s3c2440_mydev.o
$(CC) $(CFLAGS) -c $^ -o $@

modules:
$(MAKE) -C $(KERNELDIR) M=$(PWD) modules
modules_install:
$(MAKE) -C $(KERNELDIR) M=$(PWD) modules_install
clean:
rm -rf *.o *.ko *.mod.o *.mod.c

make的时候，提示的错误信息如下：
debian:/home/arm-drivers/mydev-drviver# make
/home/arm/3.4.1/bin/arm-linux-gcc -D__KERNEL__ -DMODULE -I/home/arm/linux-2.6.22.19/include/ -c -o s3c2440_mydev.o s3c2440_mydev.c
In file included from /home/arm/linux-2.6.22.19/include/linux/notifier.h:14,
from /home/arm/linux-2.6.22.19/include/linux/memory_hotplug.h:7,
from /home/arm/linux-2.6.22.19/include/linux/mmzone.h:466,
from /home/arm/linux-2.6.22.19/include/linux/gfp.h:4,
from /home/arm/linux-2.6.22.19/include/linux/slab.h:14,
from /home/arm/linux-2.6.22.19/include/linux/percpu.h:5,
from /home/arm/linux-2.6.22.19/include/asm-generic/local.h:4,
from /home/arm/linux-2.6.22.19/include/asm/local.h:1,
from /home/arm/linux-2.6.22.19/include/linux/module.h:19,
from s3c2440_mydev.h:7,
from s3c2440_mydev.c:1:
/home/arm/linux-2.6.22.19/include/linux/rwsem.h:24:65: asm/rwsem.h: No such file or directory
In file included from /home/arm/linux-2.6.22.19/include/linux/memory_hotplug.h:7,
from /home/arm/linux-2.6.22.19/include/linux/mmzone.h:466,
from /home/arm/linux-2.6.22.19/include/linux/gfp.h:4,
from /home/arm/linux-2.6.22.19/include/linux/slab.h:14,
from /home/arm/linux-2.6.22.19/include/linux/percpu.h:5,
from /home/arm/linux-2.6.22.19/include/asm-generic/local.h:4,
from /home/arm/linux-2.6.22.19/include/asm/local.h:1,
from /home/arm/linux-2.6.22.19/include/linux/module.h:19,
from s3c2440_mydev.h:7,
from s3c2440_mydev.c:1:
/home/arm/linux-2.6.22.19/include/linux/notifier.h:62: error: field `rwsem' has incomplete type
In file included from /home/arm/linux-2.6.22.19/include/linux/sched.h:51,
from /home/arm/linux-2.6.22.19/include/asm/uaccess.h:14,
from s3c2440_mydev.h:13,
from s3c2440_mydev.c:1:
/home/arm/linux-2.6.22.19/include/linux/jiffies.h:33:3: #error You lose.
/home/arm/linux-2.6.22.19/include/linux/jiffies.h:225:31: division by zero in #if
/home/arm/linux-2.6.22.19/include/linux/jiffies.h:225:31: division by zero in #if
/home/arm/linux-2.6.22.19/include/linux/jiffies.h:225:31: division by zero in #if
/home/arm/linux-2.6.22.19/include/linux/jiffies.h:225:31: division by zero in #if
/home/arm/linux-2.6.22.19/include/linux/jiffies.h:225:31: division by zero in #if
/home/arm/linux-2.6.22.19/include/linux/jiffies.h:225:31: division by zero in #if
/home/arm/linux-2.6.22.19/include/linux/jiffies.h:225:31: division by zero in #if
/home/arm/linux-2.6.22.19/include/linux/jiffies.h:225:31: division by zero in #if
/home/arm/linux-2.6.22.19/include/linux/jiffies.h:225:31: division by zero in #if
/home/arm/linux-2.6.22.19/include/linux/jiffies.h:225:31: division by zero in #if
/home/arm/linux-2.6.22.19/include/linux/jiffies.h:225:31: division by zero in #if
/home/arm/linux-2.6.22.19/include/linux/jiffies.h:225:31: division by zero in #if
/home/arm/linux-2.6.22.19/include/linux/jiffies.h:225:31: division by zero in #if
/home/arm/linux-2.6.22.19/include/linux/jiffies.h:225:31: division by zero in #if
/home/arm/linux-2.6.22.19/include/linux/jiffies.h:225:31: division by zero in #if
/home/arm/linux-2.6.22.19/include/linux/jiffies.h:225:31: division by zero in #if
In file included from /home/arm/linux-2.6.22.19/include/asm/uaccess.h:14,
from s3c2440_mydev.h:13,
from s3c2440_mydev.c:1:
/home/arm/linux-2.6.22.19/include/linux/sched.h:339: error: field `mmap_sem' has incomplete type
In file included from mac_headers.h:66,
from s3c2440_mydev.h:33,
from s3c2440_mydev.c:1:
2440_headers/2440lib.h:19:1: warning: "min" redefined
In file included from /home/arm/linux-2.6.22.19/include/linux/spinlock.h:53,
from /home/arm/linux-2.6.22.19/include/linux/module.h:9,
from s3c2440_mydev.h:7,
from s3c2440_mydev.c:1:
/home/arm/linux-2.6.22.19/include/linux/kernel.h:285:1: warning: this is the location of the previous definition
In file included from mac_headers.h:66,
from s3c2440_mydev.h:33,
from s3c2440_mydev.c:1:
s3c2440_mydev.c: At top level:
s3c2440_mydev.c:225: error: storage size of `s3c2440_mydev_fops' isn't known
make: *** [s3c2440_mydev.o] Error 1

还有一些warning没列出来。
s3c2440_mydev.h中包含的前几个头文件是：
#include <linux/init.h>
#include <linux/module.h>
#include <linux/errno.h>
#include <linux/kernel.h>
#include <asm/io.h>
#include <asm/uaccess.h>
#include <asm/hardware.h>

我已经指定了内核源码的路径了，为什么会有这些错误呢？提示的错误都是在发生在内核代码里面。
2.6下驱动编译还能用-D__KERNEL__ -DMODULE选项吗？我把这个选项去掉错误就更多了。
大家帮忙看看，谢谢！