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authorChristoph Hellwig <hch@lst.de>2005-11-09 12:07:18 -0800
committerDavid S. Miller <davem@davemloft.net>2005-11-09 12:07:18 -0800
commit8ca2bdc7a98b9584ac5f640761501405154171c7 (patch)
tree9d9a601fa9c189e5726d09a778e0ac29330a36dd
parentfeee207e44d3643d19e648af3c88946bd1c5106b (diff)
[SPARC] sbus rtc: implement ->compat_ioctl
Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--arch/sparc64/kernel/ioctl32.c2
-rw-r--r--drivers/sbus/char/rtc.c22
2 files changed, 22 insertions, 2 deletions
diff --git a/arch/sparc64/kernel/ioctl32.c b/arch/sparc64/kernel/ioctl32.c
index c2e96daa5ab..e62214354bb 100644
--- a/arch/sparc64/kernel/ioctl32.c
+++ b/arch/sparc64/kernel/ioctl32.c
@@ -114,8 +114,6 @@ COMPATIBLE_IOCTL(FBIOGCURPOS)
COMPATIBLE_IOCTL(FBIOGCURMAX)
/* Little k */
/* Little v, the video4linux ioctls */
-COMPATIBLE_IOCTL(_IOR('p', 20, int[7])) /* RTCGET */
-COMPATIBLE_IOCTL(_IOW('p', 21, int[7])) /* RTCSET */
/* And these ioctls need translation */
/* Note SIOCRTMSG is no longer, so this is safe and * the user would have seen just an -EINVAL anyways. */
HANDLE_IOCTL(FBIOPUTCMAP32, fbiogetputcmap)
diff --git a/drivers/sbus/char/rtc.c b/drivers/sbus/char/rtc.c
index 9b988baf0b5..5774bdd0e26 100644
--- a/drivers/sbus/char/rtc.c
+++ b/drivers/sbus/char/rtc.c
@@ -210,6 +210,27 @@ 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;
@@ -237,6 +258,7 @@ 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,
};