V4L/DVB: s2255drv: code cleanup

removal of unused pipe array (of size one).
Signed-off-by: Dean Anderson <dean@sensoray.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

drivers/media/video/s2255drv.c

@@ -85,7 +85,6 @@
 #define S2255_RESPONSE_STATUS   cpu_to_le32(0x20)
 #define S2255_USB_XFER_SIZE	(16 * 1024)
 #define MAX_CHANNELS		4
-#define MAX_PIPE_BUFFERS	1
 #define SYS_FRAMES		4
 /* maximum size is PAL full size plus room for the marker header(s) */
 #define SYS_FRAMES_MAXSIZE	(720*288*2*2 + 4096)
@@ -237,7 +236,7 @@ struct s2255_dev {
 	struct video_device	*vdev[MAX_CHANNELS];
 	struct timer_list	timer;
 	struct s2255_fw	*fw_data;
-	struct s2255_pipeinfo	pipes[MAX_PIPE_BUFFERS];
+	struct s2255_pipeinfo	pipe;
 	struct s2255_bufferi	buffer[MAX_CHANNELS];
 	struct s2255_mode	mode[MAX_CHANNELS];
 	/* jpeg compression */
@@ -2334,14 +2333,11 @@ static int s2255_release_sys_buffers(struct s2255_dev *dev,
 
 static int s2255_board_init(struct s2255_dev *dev)
 {
-	int j;
 	struct s2255_mode mode_def = DEF_MODEI_NTSC_CONT;
 	int fw_ver;
+	int j;
+	struct s2255_pipeinfo *pipe = &dev->pipe;
 	dprintk(4, "board init: %p", dev);
-
-	for (j = 0; j < MAX_PIPE_BUFFERS; j++) {
-		struct s2255_pipeinfo *pipe = &dev->pipes[j];
-
 	memset(pipe, 0, sizeof(*pipe));
 	pipe->dev = dev;
 	pipe->cur_transfer_size = S2255_USB_XFER_SIZE;
@@ -2353,7 +2349,6 @@ static int s2255_board_init(struct s2255_dev *dev)
 		dprintk(1, "out of memory!\n");
 		return -ENOMEM;
 	}
-	}
 	/* query the firmware */
 	fw_ver = s2255_get_fx2fw(dev);
 
@@ -2401,12 +2396,8 @@ static int s2255_board_shutdown(struct s2255_dev *dev)
 
 	for (i = 0; i < MAX_CHANNELS; i++)
 		s2255_release_sys_buffers(dev, i);
-
-	/* release transfer buffers */
-	for (i = 0; i < MAX_PIPE_BUFFERS; i++) {
-		struct s2255_pipeinfo *pipe = &dev->pipes[i];
-		kfree(pipe->transfer_buffer);
-	}
+	/* release transfer buffer */
+	kfree(dev->pipe.transfer_buffer);
 	return 0;
 }
 
@@ -2472,12 +2463,9 @@ static int s2255_start_readpipe(struct s2255_dev *dev)
 {
 	int pipe;
 	int retval;
-	int i;
-	struct s2255_pipeinfo *pipe_info = dev->pipes;
+	struct s2255_pipeinfo *pipe_info = &dev->pipe;
 	pipe = usb_rcvbulkpipe(dev->udev, dev->read_endpoint);
 	dprintk(2, "start pipe IN %d\n", dev->read_endpoint);
-
-	for (i = 0; i < MAX_PIPE_BUFFERS; i++) {
 	pipe_info->state = 1;
 	pipe_info->err_count = 0;
 	pipe_info->stream_urb = usb_alloc_urb(0, GFP_KERNEL);
@@ -2499,8 +2487,6 @@ static int s2255_start_readpipe(struct s2255_dev *dev)
 		printk(KERN_ERR "s2255: start read pipe failed\n");
 		return retval;
 	}
-	}
-
 	return 0;
 }
 
@@ -2581,30 +2567,19 @@ static int s2255_stop_acquire(struct s2255_dev *dev, unsigned long chn)
 
 static void s2255_stop_readpipe(struct s2255_dev *dev)
 {
-	int j;
+	struct s2255_pipeinfo *pipe = &dev->pipe;
 	if (dev == NULL) {
 		s2255_dev_err(&dev->udev->dev, "invalid device\n");
 		return;
 	}
-	dprintk(4, "stop read pipe\n");
-	for (j = 0; j < MAX_PIPE_BUFFERS; j++) {
-		struct s2255_pipeinfo *pipe_info = &dev->pipes[j];
-		if (pipe_info) {
-			if (pipe_info->state == 0)
-				continue;
-			pipe_info->state = 0;
-		}
-	}
-	for (j = 0; j < MAX_PIPE_BUFFERS; j++) {
-		struct s2255_pipeinfo *pipe_info = &dev->pipes[j];
-		if (pipe_info->stream_urb) {
+	pipe->state = 0;
+	if (pipe->stream_urb) {
 		/* cancel urb */
-			usb_kill_urb(pipe_info->stream_urb);
-			usb_free_urb(pipe_info->stream_urb);
-			pipe_info->stream_urb = NULL;
-		}
+		usb_kill_urb(pipe->stream_urb);
+		usb_free_urb(pipe->stream_urb);
+		pipe->stream_urb = NULL;
 	}
-	dprintk(2, "s2255 stop read pipe: %d\n", j);
+	dprintk(4, "%s", __func__);
 	return;
 }