fedora core 6 1.2949 + vserver 2.2.0

[linux-2.6.git] / arch / m68k / mvme16x / rtc.c

diff --git a/arch/m68k/mvme16x/rtc.c b/arch/m68k/mvme16x/rtc.c
index 3efc26d..b0e4c08 100644 (file)
--- a/arch/m68k/mvme16x/rtc.c
+++ b/arch/m68k/mvme16x/rtc.c
@@ -11,11 +11,13 @@
 #include <linux/miscdevice.h>
 #include <linux/slab.h>
 #include <linux/ioport.h>
+#include <linux/capability.h>
 #include <linux/fcntl.h>
 #include <linux/init.h>
 #include <linux/poll.h>
 #include <linux/mc146818rtc.h> /* For struct rtc_time and ioctls, etc */
 #include <linux/smp_lock.h>
+#include <linux/bcd.h>
 #include <asm/mvme16xhw.h>
 
 #include <asm/io.h>
@@ -30,9 +32,6 @@
  *     ioctls.
  */
 
-#define BCD2BIN(val) (((val)&15) + ((val)>>4)*10)
-#define BIN2BCD(val) ((((val)/10)<<4) + (val)%10)
-
 static const unsigned char days_in_mo[] =
 {0, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31};
 
@@ -43,7 +42,8 @@ static int rtc_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
 {
        volatile MK48T08ptr_t rtc = (MK48T08ptr_t)MVME_RTC_BASE;
        unsigned long flags;
-       struct rtc_time wtime; 
+       struct rtc_time wtime;
+       void __user *argp = (void __user *)arg;
 
        switch (cmd) {
        case RTC_RD_TIME:       /* Read the time/date from RTC  */
@@ -63,7 +63,7 @@ static int rtc_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
                wtime.tm_wday = BCD2BIN(rtc->bcd_dow)-1;
                rtc->ctrl = 0;
                local_irq_restore(flags);
-               return copy_to_user((void *)arg, &wtime, sizeof wtime) ?
+               return copy_to_user(argp, &wtime, sizeof wtime) ?
                                                                -EFAULT : 0;
        }
        case RTC_SET_TIME:      /* Set the RTC */
@@ -75,8 +75,7 @@ static int rtc_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
                if (!capable(CAP_SYS_ADMIN))
                        return -EACCES;
 
-               if (copy_from_user(&rtc_tm, (struct rtc_time*)arg,
-                                  sizeof(struct rtc_time)))
+               if (copy_from_user(&rtc_tm, argp, sizeof(struct rtc_time)))
                        return -EFAULT;
 
                yrs = rtc_tm.tm_year;
@@ -101,7 +100,7 @@ static int rtc_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
 
                if (yrs >= 2070)
                        return -EINVAL;
-               
+
                local_irq_save(flags);
                rtc->ctrl     = RTC_WRITE;
 
@@ -161,7 +160,7 @@ static struct miscdevice rtc_dev=
        .fops =         &rtc_fops
 };
 
-int __init rtc_MK48T08_init(void)
+static int __init rtc_MK48T08_init(void)
 {
        if (!MACH_IS_MVME16x)
                return -ENODEV;
@@ -169,4 +168,4 @@ int __init rtc_MK48T08_init(void)
        printk(KERN_INFO "MK48T08 Real Time Clock Driver v%s\n", RTC_VERSION);
        return misc_register(&rtc_dev);
 }
-
+module_init(rtc_MK48T08_init);