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-rw-r--r--arch/powerpc/kernel/ioctl32.c4
-rw-r--r--drivers/sbus/char/rtc.c22
-rw-r--r--include/linux/compat_ioctl.h8
3 files changed, 8 insertions, 26 deletions
diff --git a/arch/powerpc/kernel/ioctl32.c b/arch/powerpc/kernel/ioctl32.c
index 3fa6a93..0fa3d27 100644
--- a/arch/powerpc/kernel/ioctl32.c
+++ b/arch/powerpc/kernel/ioctl32.c
@@ -40,10 +40,6 @@ IOCTL_TABLE_START
#define DECLARES
#include "compat_ioctl.c"
-/* Little p (/dev/rtc, /dev/envctrl, etc.) */
-COMPATIBLE_IOCTL(_IOR('p', 20, int[7])) /* RTCGET */
-COMPATIBLE_IOCTL(_IOW('p', 21, int[7])) /* RTCSET */
-
IOCTL_TABLE_END
int ioctl_table_size = ARRAY_SIZE(ioctl_start);
diff --git a/drivers/sbus/char/rtc.c b/drivers/sbus/char/rtc.c
index 5774bdd..9b988ba 100644
--- a/drivers/sbus/char/rtc.c
+++ b/drivers/sbus/char/rtc.c
@@ -210,27 +210,6 @@ static int rtc_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
}
}
-static long rtc_compat_ioctl(struct file *file, unsigned int cmd,
- unsigned long arg)
-{
- int rval = -ENOIOCTLCMD;
-
- switch (cmd) {
- /*
- * These two are specific to this driver, the generic rtc ioctls
- * are hanlded elsewhere.
- */
- case RTCGET:
- case RTCSET:
- lock_kernel();
- rval = rtc_ioctl(file->f_dentry->d_inode, file, cmd, arg);
- unlock_kernel();
- break;
- }
-
- return rval;
-}
-
static int rtc_open(struct inode *inode, struct file *file)
{
int ret;
@@ -258,7 +237,6 @@ static struct file_operations rtc_fops = {
.owner = THIS_MODULE,
.llseek = no_llseek,
.ioctl = rtc_ioctl,
- .compat_ioctl = rtc_compat_ioctl,
.open = rtc_open,
.release = rtc_release,
};
diff --git a/include/linux/compat_ioctl.h b/include/linux/compat_ioctl.h
index 2209ad3..174f337 100644
--- a/include/linux/compat_ioctl.h
+++ b/include/linux/compat_ioctl.h
@@ -259,6 +259,14 @@ COMPATIBLE_IOCTL(RTC_RD_TIME)
COMPATIBLE_IOCTL(RTC_SET_TIME)
COMPATIBLE_IOCTL(RTC_WKALM_SET)
COMPATIBLE_IOCTL(RTC_WKALM_RD)
+/*
+ * These two are only for the sbus rtc driver, but
+ * hwclock tries them on every rtc device first when
+ * running on sparc. On other architectures the entries
+ * are useless but harmless.
+ */
+COMPATIBLE_IOCTL(_IOR('p', 20, int[7])) /* RTCGET */
+COMPATIBLE_IOCTL(_IOW('p', 21, int[7])) /* RTCSET */
/* Little m */
COMPATIBLE_IOCTL(MTIOCTOP)
/* Socket level stuff */
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