powerpc: Use unlocked ioctl in nvram_64

The ioctl is only used for powermac systems and reads a partition
number from an array which is initialized at boot time way before the
nvram code is initialized. So it's safe to switch to unlocked_ioctl.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: linuxppc-dev@ozlabs.org
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>

diff --git a/arch/powerpc/kernel/nvram_64.c b/arch/powerpc/kernel/nvram_64.c
index a8f9251f4cac4d294a06d0e44f6fd71265e83e8f..ad461e735aec027b17e5004f04421228a1410ed9 100644 (file)
--- a/arch/powerpc/kernel/nvram_64.c
+++ b/arch/powerpc/kernel/nvram_64.c
@@ -139,8 +139,8 @@ out:
 
 }
 
-static int dev_nvram_ioctl(struct inode *inode, struct file *file,
-       unsigned int cmd, unsigned long arg)
+static long dev_nvram_ioctl(struct file *file, unsigned int cmd,
+                           unsigned long arg)
 {
        switch(cmd) {
 #ifdef CONFIG_PPC_PMAC
@@ -169,11 +169,11 @@ static int dev_nvram_ioctl(struct inode *inode, struct file *file,
 }
 
 const struct file_operations nvram_fops = {
-       .owner =        THIS_MODULE,
-       .llseek =       dev_nvram_llseek,
-       .read =         dev_nvram_read,
-       .write =        dev_nvram_write,
-       .ioctl =        dev_nvram_ioctl,
+       .owner          = THIS_MODULE,
+       .llseek         = dev_nvram_llseek,
+       .read           = dev_nvram_read,
+       .write          = dev_nvram_write,
+       .unlocked_ioctl = dev_nvram_ioctl,
 };
 
 static struct miscdevice nvram_dev = {