[PATCH] constify rtc_class_ops: update drivers

Update RTC framework so that drivers can constify their method tables, moving
them from ".data" to ".rodata".  Then update the drivers.

Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Cc: Alessandro Zummo <a.zummo@towertech.it>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

24 files changed, 26 insertions, 26 deletions

diff --git a/drivers/rtc/class.c b/drivers/rtc/class.c
index 306d600a764a..7a0d8ee2de9c 100644
--- a/drivers/rtc/class.c
+++ b/drivers/rtc/class.c
@@ -39,7 +39,7 @@ static void rtc_device_release(struct class_device *class_dev)
  * Returns the pointer to the new struct class device.
  */
 struct rtc_device *rtc_device_register(const char *name, struct device *dev,
-                                        struct rtc_class_ops *ops,
+                                        const struct rtc_class_ops *ops,
                                         struct module *owner)
 {
         struct rtc_device *rtc;
diff --git a/drivers/rtc/rtc-at91.c b/drivers/rtc/rtc-at91.c
index dfd0ce86f6a0..3cf3529888c7 100644
--- a/drivers/rtc/rtc-at91.c
+++ b/drivers/rtc/rtc-at91.c
@@ -267,7 +267,7 @@ static irqreturn_t at91_rtc_interrupt(int irq, void *dev_id,
         return IRQ_NONE;                /* not handled */
 }
 
-static struct rtc_class_ops at91_rtc_ops = {
+static const struct rtc_class_ops at91_rtc_ops = {
         .ioctl          = at91_rtc_ioctl,
         .read_time      = at91_rtc_readtime,
         .set_time       = at91_rtc_settime,
diff --git a/drivers/rtc/rtc-dev.c b/drivers/rtc/rtc-dev.c
index 629d47cc7e88..583789c66cdb 100644
--- a/drivers/rtc/rtc-dev.c
+++ b/drivers/rtc/rtc-dev.c
@@ -24,7 +24,7 @@ static int rtc_dev_open(struct inode *inode, struct file *file)
         int err;
         struct rtc_device *rtc = container_of(inode->i_cdev,
                                         struct rtc_device, char_dev);
-        struct rtc_class_ops *ops = rtc->ops;
+        const struct rtc_class_ops *ops = rtc->ops;
 
         /* We keep the lock as long as the device is in use
          * and return immediately if busy
@@ -209,7 +209,7 @@ static int rtc_dev_ioctl(struct inode *inode, struct file *file,
         int err = 0;
         struct class_device *class_dev = file->private_data;
         struct rtc_device *rtc = to_rtc_device(class_dev);
-        struct rtc_class_ops *ops = rtc->ops;
+        const struct rtc_class_ops *ops = rtc->ops;
         struct rtc_time tm;
         struct rtc_wkalrm alarm;
         void __user *uarg = (void __user *) arg;
diff --git a/drivers/rtc/rtc-ds1307.c b/drivers/rtc/rtc-ds1307.c
index e8afb9384786..cc5032b6f42a 100644
--- a/drivers/rtc/rtc-ds1307.c
+++ b/drivers/rtc/rtc-ds1307.c
@@ -178,7 +178,7 @@ static int ds1307_set_time(struct device *dev, struct rtc_time *t)
         return 0;
 }
 
-static struct rtc_class_ops ds13xx_rtc_ops = {
+static const struct rtc_class_ops ds13xx_rtc_ops = {
         .read_time      = ds1307_get_time,
         .set_time       = ds1307_set_time,
 };
diff --git a/drivers/rtc/rtc-ds1553.c b/drivers/rtc/rtc-ds1553.c
index 209001495474..4fc9422ed86d 100644
--- a/drivers/rtc/rtc-ds1553.c
+++ b/drivers/rtc/rtc-ds1553.c
@@ -250,7 +250,7 @@ static int ds1553_rtc_ioctl(struct device *dev, unsigned int cmd,
         return 0;
 }
 
-static struct rtc_class_ops ds1553_rtc_ops = {
+static const struct rtc_class_ops ds1553_rtc_ops = {
         .read_time      = ds1553_rtc_read_time,
         .set_time       = ds1553_rtc_set_time,
         .read_alarm     = ds1553_rtc_read_alarm,
diff --git a/drivers/rtc/rtc-ds1672.c b/drivers/rtc/rtc-ds1672.c
index 9be81fd4737c..9c68ec99afa5 100644
--- a/drivers/rtc/rtc-ds1672.c
+++ b/drivers/rtc/rtc-ds1672.c
@@ -156,7 +156,7 @@ static ssize_t show_control(struct device *dev, struct device_attribute *attr, c
 }
 static DEVICE_ATTR(control, S_IRUGO, show_control, NULL);
 
-static struct rtc_class_ops ds1672_rtc_ops = {
+static const struct rtc_class_ops ds1672_rtc_ops = {
         .read_time      = ds1672_rtc_read_time,
         .set_time       = ds1672_rtc_set_time,
         .set_mmss       = ds1672_rtc_set_mmss,
diff --git a/drivers/rtc/rtc-ds1742.c b/drivers/rtc/rtc-ds1742.c
index 8e47e5a06d2a..01da5ab15fbc 100644
--- a/drivers/rtc/rtc-ds1742.c
+++ b/drivers/rtc/rtc-ds1742.c
@@ -116,7 +116,7 @@ static int ds1742_rtc_read_time(struct device *dev, struct rtc_time *tm)
         return 0;
 }
 
-static struct rtc_class_ops ds1742_rtc_ops = {
+static const struct rtc_class_ops ds1742_rtc_ops = {
         .read_time      = ds1742_rtc_read_time,
         .set_time       = ds1742_rtc_set_time,
 };
diff --git a/drivers/rtc/rtc-ep93xx.c b/drivers/rtc/rtc-ep93xx.c
index e1a1169e4664..ef4f147f3c0c 100644
--- a/drivers/rtc/rtc-ep93xx.c
+++ b/drivers/rtc/rtc-ep93xx.c
@@ -73,7 +73,7 @@ static int ep93xx_rtc_proc(struct device *dev, struct seq_file *seq)
         return 0;
 }
 
-static struct rtc_class_ops ep93xx_rtc_ops = {
+static const struct rtc_class_ops ep93xx_rtc_ops = {
         .read_time      = ep93xx_rtc_read_time,
         .set_time       = ep93xx_rtc_set_time,
         .set_mmss       = ep93xx_rtc_set_mmss,
diff --git a/drivers/rtc/rtc-isl1208.c b/drivers/rtc/rtc-isl1208.c
index f324d0a635d4..1c743641b73b 100644
--- a/drivers/rtc/rtc-isl1208.c
+++ b/drivers/rtc/rtc-isl1208.c
@@ -390,7 +390,7 @@ static int isl1208_rtc_read_alarm(struct device *dev, struct rtc_wkalrm *alarm)
         return isl1208_i2c_read_alarm(to_i2c_client(dev), alarm);
 }
 
-static struct rtc_class_ops isl1208_rtc_ops = {
+static const struct rtc_class_ops isl1208_rtc_ops = {
         .proc           = isl1208_rtc_proc,
         .read_time      = isl1208_rtc_read_time,
         .set_time       = isl1208_rtc_set_time,
diff --git a/drivers/rtc/rtc-m48t86.c b/drivers/rtc/rtc-m48t86.c
index 8c0d1a6739ad..8ff4a1221f59 100644
--- a/drivers/rtc/rtc-m48t86.c
+++ b/drivers/rtc/rtc-m48t86.c
@@ -138,7 +138,7 @@ static int m48t86_rtc_proc(struct device *dev, struct seq_file *seq)
         return 0;
 }
 
-static struct rtc_class_ops m48t86_rtc_ops = {
+static const struct rtc_class_ops m48t86_rtc_ops = {
         .read_time      = m48t86_rtc_read_time,
         .set_time       = m48t86_rtc_set_time,
         .proc           = m48t86_rtc_proc,
diff --git a/drivers/rtc/rtc-max6902.c b/drivers/rtc/rtc-max6902.c
index 2c9739562b5c..9eeef964663a 100644
--- a/drivers/rtc/rtc-max6902.c
+++ b/drivers/rtc/rtc-max6902.c
@@ -207,7 +207,7 @@ static int max6902_set_time(struct device *dev, struct rtc_time *tm)
         return max6902_set_datetime(dev, tm);
 }
 
-static struct rtc_class_ops max6902_rtc_ops = {
+static const struct rtc_class_ops max6902_rtc_ops = {
         .read_time      = max6902_read_time,
         .set_time       = max6902_set_time,
 };
diff --git a/drivers/rtc/rtc-pcf8563.c b/drivers/rtc/rtc-pcf8563.c
index bd4310643038..a760cf69af90 100644
--- a/drivers/rtc/rtc-pcf8563.c
+++ b/drivers/rtc/rtc-pcf8563.c
@@ -227,7 +227,7 @@ static int pcf8563_rtc_set_time(struct device *dev, struct rtc_time *tm)
         return pcf8563_set_datetime(to_i2c_client(dev), tm);
 }
 
-static struct rtc_class_ops pcf8563_rtc_ops = {
+static const struct rtc_class_ops pcf8563_rtc_ops = {
         .read_time      = pcf8563_rtc_read_time,
         .set_time       = pcf8563_rtc_set_time,
 };
diff --git a/drivers/rtc/rtc-pcf8583.c b/drivers/rtc/rtc-pcf8583.c
index b235a30cb661..5875ebb8c79d 100644
--- a/drivers/rtc/rtc-pcf8583.c
+++ b/drivers/rtc/rtc-pcf8583.c
@@ -273,7 +273,7 @@ static int pcf8583_rtc_set_time(struct device *dev, struct rtc_time *tm)
         return ret;
 }
 
-static struct rtc_class_ops pcf8583_rtc_ops = {
+static const struct rtc_class_ops pcf8583_rtc_ops = {
         .read_time      = pcf8583_rtc_read_time,
         .set_time       = pcf8583_rtc_set_time,
 };
diff --git a/drivers/rtc/rtc-pl031.c b/drivers/rtc/rtc-pl031.c
index d6d1c5726b0e..739d1a6e14eb 100644
--- a/drivers/rtc/rtc-pl031.c
+++ b/drivers/rtc/rtc-pl031.c
@@ -128,7 +128,7 @@ static int pl031_set_alarm(struct device *dev, struct rtc_wkalrm *alarm)
         return 0;
 }
 
-static struct rtc_class_ops pl031_ops = {
+static const struct rtc_class_ops pl031_ops = {
         .open = pl031_open,
         .release = pl031_release,
         .ioctl = pl031_ioctl,
diff --git a/drivers/rtc/rtc-proc.c b/drivers/rtc/rtc-proc.c
index 2943d83edfd1..d51d8f20e634 100644
--- a/drivers/rtc/rtc-proc.c
+++ b/drivers/rtc/rtc-proc.c
@@ -23,7 +23,7 @@ static int rtc_proc_show(struct seq_file *seq, void *offset)
 {
         int err;
         struct class_device *class_dev = seq->private;
-        struct rtc_class_ops *ops = to_rtc_device(class_dev)->ops;
+        const struct rtc_class_ops *ops = to_rtc_device(class_dev)->ops;
         struct rtc_wkalrm alrm;
         struct rtc_time tm;
 
diff --git a/drivers/rtc/rtc-rs5c348.c b/drivers/rtc/rtc-rs5c348.c
index 25589061f931..f50f3fc353cd 100644
--- a/drivers/rtc/rtc-rs5c348.c
+++ b/drivers/rtc/rtc-rs5c348.c
@@ -140,7 +140,7 @@ rs5c348_rtc_read_time(struct device *dev, struct rtc_time *tm)
         return 0;
 }
 
-static struct rtc_class_ops rs5c348_rtc_ops = {
+static const struct rtc_class_ops rs5c348_rtc_ops = {
         .read_time      = rs5c348_rtc_read_time,
         .set_time       = rs5c348_rtc_set_time,
 };
diff --git a/drivers/rtc/rtc-rs5c372.c b/drivers/rtc/rtc-rs5c372.c
index 7553d797603f..bbdad099471d 100644
--- a/drivers/rtc/rtc-rs5c372.c
+++ b/drivers/rtc/rtc-rs5c372.c
@@ -160,7 +160,7 @@ static int rs5c372_rtc_proc(struct device *dev, struct seq_file *seq)
         return 0;
 }
 
-static struct rtc_class_ops rs5c372_rtc_ops = {
+static const struct rtc_class_ops rs5c372_rtc_ops = {
         .proc           = rs5c372_rtc_proc,
         .read_time      = rs5c372_rtc_read_time,
         .set_time       = rs5c372_rtc_set_time,
diff --git a/drivers/rtc/rtc-s3c.c b/drivers/rtc/rtc-s3c.c
index 2c7de79c83b9..625dad2eeb4f 100644
--- a/drivers/rtc/rtc-s3c.c
+++ b/drivers/rtc/rtc-s3c.c
@@ -386,7 +386,7 @@ static void s3c_rtc_release(struct device *dev)
         free_irq(s3c_rtc_tickno, rtc_dev);
 }
 
-static struct rtc_class_ops s3c_rtcops = {
+static const struct rtc_class_ops s3c_rtcops = {
         .open           = s3c_rtc_open,
         .release        = s3c_rtc_release,
         .ioctl          = s3c_rtc_ioctl,
diff --git a/drivers/rtc/rtc-sa1100.c b/drivers/rtc/rtc-sa1100.c
index ee4b61ee67b0..439c41aea31c 100644
--- a/drivers/rtc/rtc-sa1100.c
+++ b/drivers/rtc/rtc-sa1100.c
@@ -303,7 +303,7 @@ static int sa1100_rtc_proc(struct device *dev, struct seq_file *seq)
         return 0;
 }
 
-static struct rtc_class_ops sa1100_rtc_ops = {
+static const struct rtc_class_ops sa1100_rtc_ops = {
         .open = sa1100_rtc_open,
         .read_callback = sa1100_rtc_read_callback,
         .release = sa1100_rtc_release,
diff --git a/drivers/rtc/rtc-test.c b/drivers/rtc/rtc-test.c
index e1fa5fe7901f..bc4bd24508a2 100644
--- a/drivers/rtc/rtc-test.c
+++ b/drivers/rtc/rtc-test.c
@@ -75,7 +75,7 @@ static int test_rtc_ioctl(struct device *dev, unsigned int cmd,
         }
 }
 
-static struct rtc_class_ops test_rtc_ops = {
+static const struct rtc_class_ops test_rtc_ops = {
         .proc = test_rtc_proc,
         .read_time = test_rtc_read_time,
         .set_time = test_rtc_set_time,
diff --git a/drivers/rtc/rtc-v3020.c b/drivers/rtc/rtc-v3020.c
index e28cc4b0901a..09b714f1cdc3 100644
--- a/drivers/rtc/rtc-v3020.c
+++ b/drivers/rtc/rtc-v3020.c
@@ -149,7 +149,7 @@ static int v3020_set_time(struct device *dev, struct rtc_time *dt)
         return 0;
 }
 
-static struct rtc_class_ops v3020_rtc_ops = {
+static const struct rtc_class_ops v3020_rtc_ops = {
         .read_time      = v3020_read_time,
         .set_time       = v3020_set_time,
 };
diff --git a/drivers/rtc/rtc-vr41xx.c b/drivers/rtc/rtc-vr41xx.c
index 596764fd29f5..58e5ed0aa127 100644
--- a/drivers/rtc/rtc-vr41xx.c
+++ b/drivers/rtc/rtc-vr41xx.c
@@ -296,7 +296,7 @@ static irqreturn_t rtclong1_interrupt(int irq, void *dev_id, struct pt_regs *reg
         return IRQ_HANDLED;
 }
 
-static struct rtc_class_ops vr41xx_rtc_ops = {
+static const struct rtc_class_ops vr41xx_rtc_ops = {
         .release        = vr41xx_rtc_release,
         .ioctl          = vr41xx_rtc_ioctl,
         .read_time      = vr41xx_rtc_read_time,
diff --git a/drivers/rtc/rtc-x1205.c b/drivers/rtc/rtc-x1205.c
index 788b6d1f8f2f..522c69753bbf 100644
--- a/drivers/rtc/rtc-x1205.c
+++ b/drivers/rtc/rtc-x1205.c
@@ -460,7 +460,7 @@ static int x1205_rtc_proc(struct device *dev, struct seq_file *seq)
         return 0;
 }
 
-static struct rtc_class_ops x1205_rtc_ops = {
+static const struct rtc_class_ops x1205_rtc_ops = {
         .proc           = x1205_rtc_proc,
         .read_time      = x1205_rtc_read_time,
         .set_time       = x1205_rtc_set_time,
diff --git a/include/linux/rtc.h b/include/linux/rtc.h
index 5371e4e74595..b89f09357054 100644
--- a/include/linux/rtc.h
+++ b/include/linux/rtc.h
@@ -141,7 +141,7 @@ struct rtc_device
         int id;
         char name[RTC_DEVICE_NAME_SIZE];
 
-        struct rtc_class_ops *ops;
+        const struct rtc_class_ops *ops;
         struct mutex ops_lock;
 
         struct class_device *rtc_dev;
@@ -172,7 +172,7 @@ struct rtc_device
 
 extern struct rtc_device *rtc_device_register(const char *name,
                                         struct device *dev,
-                                        struct rtc_class_ops *ops,
+                                        const struct rtc_class_ops *ops,
                                         struct module *owner);
 extern void rtc_device_unregister(struct rtc_device *rdev);
 extern int rtc_interface_register(struct class_interface *intf);