V4L/DVB (5162): Change VIDIOC_DBG_[SG]_REGISTER ioctls' reg address to 64 bits

Maybe someday there will be a device with a register address space >
32-bits, or maybe an i2c device which uses a protocol > 4 bytes long to
address its registers.

Signed-off-by: Trent Piepho <xyzzy@speakeasy.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>

drivers/media/video/v4l2-common.c

@@ -754,15 +754,17 @@ void v4l_printk_ioctl_arg(char *s,unsigned int cmd, void *arg)
 				p->id,p->index,p->name);
 		break;
 	}
+#ifdef CONFIG_VIDEO_ADV_DEBUG
 	case VIDIOC_DBG_G_REGISTER:
 	case VIDIOC_DBG_S_REGISTER:
 	{
 		struct v4l2_register *p=arg;
-		printk ("%s: i2c_id=%d, reg=%d, val=%d\n", s,
-				p->i2c_id,p->reg,p->val);
+		printk ("%s: i2c_id=%d, reg=%llu, val=%u\n", s,
+				p->i2c_id,(unsigned long long)p->reg,p->val);
 
 		break;
 	}
+#endif
 	case VIDIOC_REQBUFS:
 	{
 		struct v4l2_requestbuffers *p=arg;

include/linux/videodev2.h

@@ -1276,8 +1276,8 @@ struct v4l2_streamparm
 
 /* VIDIOC_DBG_G_REGISTER and VIDIOC_DBG_S_REGISTER */
 struct v4l2_register {
+	__u64 reg;
 	__u32 i2c_id; /* I2C driver ID of the I2C chip, or 0 for the host */
-	__u32 reg;
 	__u32 val;
 };