#include <linux/videodev2.h>
#include <linux/version.h>
#include <linux/mm.h>
+#include <linux/smp_lock.h>
#include <media/videobuf-vmalloc.h>
#include <media/v4l2-common.h>
#include <media/v4l2-ioctl.h>
+/* default JPEG quality */
+#define S2255_DEF_JPEG_QUAL 50
/* vendor request in */
#define S2255_VR_IN 0
/* vendor request out */
#define MAX_CHANNELS 4
#define S2255_MARKER_FRAME 0x2255DA4AL
#define S2255_MARKER_RESPONSE 0x2255ACACL
+#define S2255_RESPONSE_SETMODE 0x01
+#define S2255_RESPONSE_FW 0x10
#define S2255_USB_XFER_SIZE (16 * 1024)
#define MAX_CHANNELS 4
#define MAX_PIPE_BUFFERS 1
#define SCALE_4CIFS 1 /* 640x480(NTSC) or 704x576(PAL) */
#define SCALE_2CIFS 2 /* 640x240(NTSC) or 704x288(PAL) */
#define SCALE_1CIFS 3 /* 320x240(NTSC) or 352x288(PAL) */
+/* SCALE_4CIFSI is the 2 fields interpolated into one */
+#define SCALE_4CIFSI 4 /* 640x480(NTSC) or 704x576(PAL) high quality */
#define COLOR_YUVPL 1 /* YUV planar */
#define COLOR_YUVPK 2 /* YUV packed */
struct s2255_dmaqueue {
struct list_head active;
- /* thread for acquisition */
- struct task_struct *kthread;
- int frame;
struct s2255_dev *dev;
int channel;
};
#define S2255_FW_FAILED 3
#define S2255_FW_DISCONNECTING 4
-#define S2255_FW_MARKER 0x22552f2f
+#define S2255_FW_MARKER cpu_to_le32(0x22552f2f)
/* 2255 read states */
#define S2255_READ_IDLE 0
#define S2255_READ_FRAME 1
u32 max_transfer_size;
u32 cur_transfer_size;
u8 *transfer_buffer;
- u32 transfer_flags;;
u32 state;
- u32 prev_state;
- u32 urb_size;
void *stream_urb;
void *dev; /* back pointer to s2255_dev struct*/
u32 err_count;
- u32 buf_index;
u32 idx;
- u32 priority_set;
};
struct s2255_fmt; /*forward declaration */
struct s2255_dmaqueue vidq[MAX_CHANNELS];
struct video_device *vdev[MAX_CHANNELS];
- struct list_head s2255_devlist;
struct timer_list timer;
struct s2255_fw *fw_data;
- int board_num;
- int is_open;
struct s2255_pipeinfo pipes[MAX_PIPE_BUFFERS];
struct s2255_bufferi buffer[MAX_CHANNELS];
struct s2255_mode mode[MAX_CHANNELS];
+ /* jpeg compression */
+ struct v4l2_jpegcompression jc[MAX_CHANNELS];
+ /* capture parameters (for high quality mode full size) */
+ struct v4l2_captureparm cap_parm[MAX_CHANNELS];
const struct s2255_fmt *cur_fmt[MAX_CHANNELS];
int cur_frame[MAX_CHANNELS];
int last_frame[MAX_CHANNELS];
int resources[MAX_CHANNELS];
};
-#define CUR_USB_FWVER 774 /* current cypress EEPROM firmware version */
+/* current cypress EEPROM firmware version */
+#define S2255_CUR_USB_FWVER ((3 << 8) | 6)
#define S2255_MAJOR_VERSION 1
-#define S2255_MINOR_VERSION 13
+#define S2255_MINOR_VERSION 14
#define S2255_RELEASE 0
#define S2255_VERSION KERNEL_VERSION(S2255_MAJOR_VERSION, \
S2255_MINOR_VERSION, \
/* Channels on box are in reverse order */
static unsigned long G_chnmap[MAX_CHANNELS] = {3, 2, 1, 0};
-static LIST_HEAD(s2255_devlist);
-
static int debug;
static int *s2255_debug = &debug;
u16 index, u16 value, void *buf,
s32 buf_len, int bOut);
+/* dev_err macro with driver name */
+#define S2255_DRIVER_NAME "s2255"
+#define s2255_dev_err(dev, fmt, arg...) \
+ dev_err(dev, S2255_DRIVER_NAME " - " fmt, ##arg)
+
#define dprintk(level, fmt, arg...) \
do { \
if (*s2255_debug >= (level)) { \
- printk(KERN_DEBUG "s2255: " fmt, ##arg); \
+ printk(KERN_DEBUG S2255_DRIVER_NAME \
+ ": " fmt, ##arg); \
} \
} while (0)
-
static struct usb_driver s2255_driver;
return;
}
-void s2255_reset_dsppower(struct s2255_dev *dev)
+static void s2255_reset_dsppower(struct s2255_dev *dev)
{
s2255_vendor_req(dev, 0x40, 0x0b0b, 0x0b0b, NULL, 0, 1);
msleep(10);
int len;
dprintk(100, "udev %p urb %p", udev, urb);
if (urb->status) {
- dev_err(&udev->dev, "URB failed with status %d", urb->status);
+ dev_err(&udev->dev, "URB failed with status %d\n", urb->status);
atomic_set(&data->fw_state, S2255_FW_FAILED);
/* wake up anything waiting for the firmware */
wake_up(&data->wait_fw);
return;
}
if (data->fw_urb == NULL) {
- dev_err(&udev->dev, "s2255 disconnected\n");
+ s2255_dev_err(&udev->dev, "disconnected\n");
atomic_set(&data->fw_state, S2255_FW_FAILED);
/* wake up anything waiting for the firmware */
wake_up(&data->wait_fw);
buf = list_entry(dma_q->active.next,
struct s2255_buffer, vb.queue);
- if (!waitqueue_active(&buf->vb.done)) {
- /* no one active */
- rc = -1;
- goto unlock;
- }
list_del(&buf->vb.queue);
do_gettimeofday(&buf->vb.ts);
dprintk(100, "[%p/%d] wakeup\n", buf, buf->vb.i);
{
dprintk(4, "%s\n", __func__);
- videobuf_waiton(&buf->vb, 0, 0);
videobuf_vmalloc_free(&buf->vb);
buf->vb.state = VIDEOBUF_NEEDS_INIT;
}
struct s2255_dev *dev = fh->dev;
strlcpy(cap->driver, "s2255", sizeof(cap->driver));
strlcpy(cap->card, "s2255", sizeof(cap->card));
- strlcpy(cap->bus_info, dev_name(&dev->udev->dev),
- sizeof(cap->bus_info));
+ usb_make_path(dev->udev, cap->bus_info, sizeof(cap->bus_info));
cap->version = S2255_VERSION;
cap->capabilities = V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_STREAMING;
return 0;
fh->type = f->type;
norm = norm_minw(fh->dev->vdev[fh->channel]);
if (fh->width > norm_minw(fh->dev->vdev[fh->channel])) {
- if (fh->height > norm_minh(fh->dev->vdev[fh->channel]))
- fh->mode.scale = SCALE_4CIFS;
- else
+ if (fh->height > norm_minh(fh->dev->vdev[fh->channel])) {
+ if (fh->dev->cap_parm[fh->channel].capturemode &
+ V4L2_MODE_HIGHQUALITY) {
+ fh->mode.scale = SCALE_4CIFSI;
+ dprintk(2, "scale 4CIFSI\n");
+ } else {
+ fh->mode.scale = SCALE_4CIFS;
+ dprintk(2, "scale 4CIFS\n");
+ }
+ } else
fh->mode.scale = SCALE_2CIFS;
} else {
fh->mode.color = COLOR_Y8;
break;
case V4L2_PIX_FMT_JPEG:
- fh->mode.color = COLOR_JPG | (50 << 8);
+ fh->mode.color = COLOR_JPG |
+ (fh->dev->jc[fh->channel].quality << 8);
break;
case V4L2_PIX_FMT_YUV422P:
fh->mode.color = COLOR_YUVPL;
if (mode->format == FORMAT_NTSC) {
switch (mode->scale) {
case SCALE_4CIFS:
+ case SCALE_4CIFSI:
linesPerFrame = NUM_LINES_4CIFS_NTSC * 2;
pixelsPerLine = LINE_SZ_4CIFS_NTSC;
break;
} else if (mode->format == FORMAT_PAL) {
switch (mode->scale) {
case SCALE_4CIFS:
+ case SCALE_4CIFSI:
linesPerFrame = NUM_LINES_4CIFS_PAL * 2;
pixelsPerLine = LINE_SZ_4CIFS_PAL;
break;
dev->mode[chn].scale);
dprintk(2, "mode contrast %x\n", mode->contrast);
+ /* if JPEG, set the quality */
+ if ((mode->color & MASK_COLOR) == COLOR_JPG)
+ mode->color = (dev->jc[chn].quality << 8) | COLOR_JPG;
+
/* save the mode */
dev->mode[chn] = *mode;
dev->req_image_size[chn] = get_transfer_size(mode);
buffer[1] = (u32) chn_rev;
buffer[2] = CMD_SET_MODE;
memcpy(&buffer[3], &dev->mode[chn], sizeof(struct s2255_mode));
+ dev->setmode_ready[chn] = 0;
res = s2255_write_config(dev->udev, (unsigned char *)buffer, 512);
if (debug)
dump_verify_mode(dev, mode);
/* wait at least 3 frames before continuing */
if (mode->restart) {
- dev->setmode_ready[chn] = 0;
wait_event_timeout(dev->wait_setmode[chn],
(dev->setmode_ready[chn] != 0),
msecs_to_jiffies(S2255_SETMODE_TIMEOUT));
}
if (!res_get(dev, fh)) {
- dev_err(&dev->udev->dev, "s2255: stream busy\n");
+ s2255_dev_err(&dev->udev->dev, "stream busy\n");
return -EBUSY;
}
static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i)
{
- int res;
struct s2255_fh *fh = priv;
struct s2255_dev *dev = fh->dev;
return -EINVAL;
}
s2255_stop_acquire(dev, fh->channel);
- res = videobuf_streamoff(&fh->vb_vidq);
- if (res < 0)
- return res;
+ videobuf_streamoff(&fh->vb_vidq);
res_free(dev, fh);
return 0;
}
return -EINVAL;
}
-static int s2255_open(struct inode *inode, struct file *file)
+static int vidioc_g_jpegcomp(struct file *file, void *priv,
+ struct v4l2_jpegcompression *jc)
+{
+ struct s2255_fh *fh = priv;
+ struct s2255_dev *dev = fh->dev;
+ *jc = dev->jc[fh->channel];
+ dprintk(2, "getting jpegcompression, quality %d\n", jc->quality);
+ return 0;
+}
+
+static int vidioc_s_jpegcomp(struct file *file, void *priv,
+ struct v4l2_jpegcompression *jc)
+{
+ struct s2255_fh *fh = priv;
+ struct s2255_dev *dev = fh->dev;
+ if (jc->quality < 0 || jc->quality > 100)
+ return -EINVAL;
+ dev->jc[fh->channel].quality = jc->quality;
+ dprintk(2, "setting jpeg quality %d\n", jc->quality);
+ return 0;
+}
+
+static int vidioc_g_parm(struct file *file, void *priv,
+ struct v4l2_streamparm *sp)
+{
+ struct s2255_fh *fh = priv;
+ struct s2255_dev *dev = fh->dev;
+ if (sp->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
+ return -EINVAL;
+ sp->parm.capture.capturemode = dev->cap_parm[fh->channel].capturemode;
+ dprintk(2, "getting parm %d\n", sp->parm.capture.capturemode);
+ return 0;
+}
+
+static int vidioc_s_parm(struct file *file, void *priv,
+ struct v4l2_streamparm *sp)
+{
+ struct s2255_fh *fh = priv;
+ struct s2255_dev *dev = fh->dev;
+
+ if (sp->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
+ return -EINVAL;
+
+ dev->cap_parm[fh->channel].capturemode = sp->parm.capture.capturemode;
+ dprintk(2, "setting param capture mode %d\n",
+ sp->parm.capture.capturemode);
+ return 0;
+}
+static int s2255_open(struct file *file)
{
- int minor = iminor(inode);
- struct s2255_dev *h, *dev = NULL;
+ struct video_device *vdev = video_devdata(file);
+ struct s2255_dev *dev = video_drvdata(file);
struct s2255_fh *fh;
- struct list_head *list;
- enum v4l2_buf_type type = 0;
+ enum v4l2_buf_type type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
int i = 0;
int cur_channel = -1;
int state;
- dprintk(1, "s2255: open called (minor=%d)\n", minor);
+
+ dprintk(1, "s2255: open called (dev=%s)\n",
+ video_device_node_name(vdev));
lock_kernel();
- list_for_each(list, &s2255_devlist) {
- h = list_entry(list, struct s2255_dev, s2255_devlist);
- for (i = 0; i < MAX_CHANNELS; i++) {
- if (h->vdev[i]->minor == minor) {
- cur_channel = i;
- dev = h;
- type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
- }
- }
- }
- if ((NULL == dev) || (cur_channel == -1)) {
- unlock_kernel();
- printk(KERN_INFO "s2255: openv4l no dev\n");
- return -ENODEV;
+ for (i = 0; i < MAX_CHANNELS; i++) {
+ if (dev->vdev[i] == vdev) {
+ cur_channel = i;
+ break;
+ }
}
if (atomic_read(&dev->fw_data->fw_state) == S2255_FW_DISCONNECTING) {
switch (atomic_read(&dev->fw_data->fw_state)) {
case S2255_FW_FAILED:
- err("2255 firmware load failed. retrying.\n");
+ s2255_dev_err(&dev->udev->dev,
+ "firmware load failed. retrying.\n");
s2255_fwload_start(dev, 1);
wait_event_timeout(dev->fw_data->wait_fw,
((atomic_read(&dev->fw_data->fw_state)
for (i = 0; i < ARRAY_SIZE(s2255_qctrl); i++)
qctl_regs[i] = s2255_qctrl[i].default_value;
- dprintk(1, "s2255drv: open minor=%d type=%s users=%d\n",
- minor, v4l2_type_names[type], dev->users[cur_channel]);
+ dprintk(1, "s2255drv: open dev=%s type=%s users=%d\n",
+ video_device_node_name(vdev), v4l2_type_names[type],
+ dev->users[cur_channel]);
dprintk(2, "s2255drv: open: fh=0x%08lx, dev=0x%08lx, vidq=0x%08lx\n",
(unsigned long)fh, (unsigned long)dev,
(unsigned long)&dev->vidq[cur_channel]);
static void s2255_destroy(struct kref *kref)
{
struct s2255_dev *dev = to_s2255_dev(kref);
- struct list_head *list;
int i;
if (!dev) {
printk(KERN_ERR "s2255drv: kref problem\n");
kfree(dev->fw_data);
usb_put_dev(dev->udev);
dprintk(1, "%s", __func__);
- kfree(dev);
- while (!list_empty(&s2255_devlist)) {
- list = s2255_devlist.next;
- list_del(list);
- }
mutex_unlock(&dev->open_lock);
+ kfree(dev);
}
-static int s2255_close(struct inode *inode, struct file *file)
+static int s2255_close(struct file *file)
{
struct s2255_fh *fh = file->private_data;
struct s2255_dev *dev = fh->dev;
- int minor = iminor(inode);
+ struct video_device *vdev = video_devdata(file);
+
if (!dev)
return -ENODEV;
mutex_unlock(&dev->open_lock);
kref_put(&dev->kref, s2255_destroy);
- dprintk(1, "s2255: close called (minor=%d, users=%d)\n",
- minor, dev->users[fh->channel]);
+ dprintk(1, "s2255: close called (dev=%s, users=%d)\n",
+ video_device_node_name(vdev), dev->users[fh->channel]);
kfree(fh);
return 0;
}
return ret;
}
-static const struct file_operations s2255_fops_v4l = {
+static const struct v4l2_file_operations s2255_fops_v4l = {
.owner = THIS_MODULE,
.open = s2255_open,
.release = s2255_close,
.poll = s2255_poll,
.ioctl = video_ioctl2, /* V4L2 ioctl handler */
- .compat_ioctl = v4l_compat_ioctl32,
.mmap = s2255_mmap_v4l,
- .llseek = no_llseek,
};
static const struct v4l2_ioctl_ops s2255_ioctl_ops = {
#ifdef CONFIG_VIDEO_V4L1_COMPAT
.vidiocgmbuf = vidioc_cgmbuf,
#endif
+ .vidioc_s_jpegcomp = vidioc_s_jpegcomp,
+ .vidioc_g_jpegcomp = vidioc_g_jpegcomp,
+ .vidioc_s_parm = vidioc_s_parm,
+ .vidioc_g_parm = vidioc_g_parm,
};
static struct video_device template = {
.name = "s2255v",
.fops = &s2255_fops_v4l,
.ioctl_ops = &s2255_ioctl_ops,
- .minor = -1,
.release = video_device_release,
.tvnorms = S2255_NORMS,
.current_norm = V4L2_STD_NTSC_M,
int cur_nr = video_nr;
/* initialize all video 4 linux */
- list_add_tail(&dev->s2255_devlist, &s2255_devlist);
/* register 4 video devices */
for (i = 0; i < MAX_CHANNELS; i++) {
INIT_LIST_HEAD(&dev->vidq[i].active);
dev->vidq[i].dev = dev;
dev->vidq[i].channel = i;
- dev->vidq[i].kthread = NULL;
/* register 4 video devices */
dev->vdev[i] = video_device_alloc();
memcpy(dev->vdev[i], &template, sizeof(struct video_device));
dev->vdev[i]->parent = &dev->interface->dev;
+ video_set_drvdata(dev->vdev[i], dev);
if (video_nr == -1)
ret = video_register_device(dev->vdev[i],
VFL_TYPE_GRABBER,
ret = video_register_device(dev->vdev[i],
VFL_TYPE_GRABBER,
cur_nr + i);
- dev->vdev[i]->priv = dev;
+ video_set_drvdata(dev->vdev[i], dev);
if (ret != 0) {
dev_err(&dev->udev->dev,
return ret;
}
}
- printk(KERN_INFO "Sensoray 2255 V4L driver\n");
+ printk(KERN_INFO "Sensoray 2255 V4L driver Revision: %d.%d\n",
+ S2255_MAJOR_VERSION,
+ S2255_MINOR_VERSION);
return ret;
}
int i;
for (i = 0; i < MAX_CHANNELS; i++) {
- if (-1 != dev->vdev[i]->minor) {
+ if (video_is_registered(dev->vdev[i])) {
video_unregister_device(dev->vdev[i]);
printk(KERN_INFO "s2255 unregistered\n");
} else {
if (pdword[1] >= MAX_CHANNELS)
break;
cc = G_chnmap[pdword[1]];
- if (!(cc >= 0 && cc < MAX_CHANNELS))
+ if (cc >= MAX_CHANNELS)
break;
switch (pdword[2]) {
- case 0x01:
+ case S2255_RESPONSE_SETMODE:
/* check if channel valid */
/* set mode ready */
dev->setmode_ready[cc] = 1;
wake_up(&dev->wait_setmode[cc]);
dprintk(5, "setmode ready %d\n", cc);
break;
- case 0x10:
+ case S2255_RESPONSE_FW:
dev->chn_ready |= (1 << cc);
if ((dev->chn_ready & 0x0f) != 0x0f)
wake_up(&dev->fw_data->wait_fw);
break;
default:
- printk(KERN_INFO "s2255 unknwn resp\n");
+ printk(KERN_INFO "s2255 unknown resp\n");
}
default:
pdata++;
/* query the firmware */
fw_ver = s2255_get_fx2fw(dev);
- printk(KERN_INFO "2255 usb firmware version %d \n", fw_ver);
- if (fw_ver < CUR_USB_FWVER)
- err("usb firmware not up to date %d\n", fw_ver);
+ printk(KERN_INFO "2255 usb firmware version %d.%d\n",
+ (fw_ver >> 8) & 0xff,
+ fw_ver & 0xff);
+
+ if (fw_ver < S2255_CUR_USB_FWVER)
+ dev_err(&dev->udev->dev,
+ "usb firmware not up to date %d.%d\n",
+ (fw_ver >> 8) & 0xff,
+ fw_ver & 0xff);
for (j = 0; j < MAX_CHANNELS; j++) {
dev->b_acquire[j] = 0;
dev->mode[j] = mode_def;
+ dev->jc[j].quality = S2255_DEF_JPEG_QUAL;
dev->cur_fmt[j] = &formats[0];
dev->mode[j].restart = 1;
dev->req_image_size[j] = get_transfer_size(&mode_def);
dprintk(100, "read pipe completion %p, status %d\n", purb,
purb->status);
if (pipe_info == NULL) {
- err("no context !");
+ dev_err(&purb->dev->dev, "no context!\n");
return;
}
dev = pipe_info->dev;
if (dev == NULL) {
- err("no context !");
+ dev_err(&purb->dev->dev, "no context!\n");
return;
}
status = purb->status;
- if (status != 0) {
- dprintk(2, "read_pipe_completion: err\n");
+ /* if shutting down, do not resubmit, exit immediately */
+ if (status == -ESHUTDOWN) {
+ dprintk(2, "read_pipe_completion: err shutdown\n");
+ pipe_info->err_count++;
return;
}
return;
}
- s2255_read_video_callback(dev, pipe_info);
+ if (status == 0)
+ s2255_read_video_callback(dev, pipe_info);
+ else {
+ pipe_info->err_count++;
+ dprintk(1, "s2255drv: failed URB %d\n", status);
+ }
- pipe_info->err_count = 0;
pipe = usb_rcvbulkpipe(dev->udev, dev->read_endpoint);
/* reuse urb */
usb_fill_bulk_urb(pipe_info->stream_urb, dev->udev,
if (pipe_info->state != 0) {
if (usb_submit_urb(pipe_info->stream_urb, GFP_KERNEL)) {
dev_err(&dev->udev->dev, "error submitting urb\n");
- usb_free_urb(pipe_info->stream_urb);
}
} else {
dprintk(2, "read pipe complete state 0\n");
for (i = 0; i < MAX_PIPE_BUFFERS; i++) {
pipe_info->state = 1;
- pipe_info->buf_index = (u32) i;
- pipe_info->priority_set = 0;
+ pipe_info->err_count = 0;
pipe_info->stream_urb = usb_alloc_urb(0, GFP_KERNEL);
if (!pipe_info->stream_urb) {
dev_err(&dev->udev->dev,
- "ReadStream: Unable to alloc URB");
+ "ReadStream: Unable to alloc URB\n");
return -ENOMEM;
}
/* transfer buffer allocated in board_init */
pipe_info->cur_transfer_size,
read_pipe_completion, pipe_info);
- pipe_info->urb_size = sizeof(pipe_info->stream_urb);
dprintk(4, "submitting URB %p\n", pipe_info->stream_urb);
retval = usb_submit_urb(pipe_info->stream_urb, GFP_KERNEL);
if (retval) {
int j;
if (dev == NULL) {
- err("s2255: invalid device");
+ s2255_dev_err(&dev->udev->dev, "invalid device\n");
return;
}
dprintk(4, "stop read pipe\n");
if (pipe_info->state == 0)
continue;
pipe_info->state = 0;
- pipe_info->prev_state = 1;
-
}
}
/* allocate memory for our device state and initialize it to zero */
dev = kzalloc(sizeof(struct s2255_dev), GFP_KERNEL);
if (dev == NULL) {
- err("s2255: out of memory");
+ s2255_dev_err(&interface->dev, "out of memory\n");
goto error;
}
}
if (!dev->read_endpoint) {
- dev_err(&interface->dev, "Could not find bulk-in endpoint");
+ dev_err(&interface->dev, "Could not find bulk-in endpoint\n");
goto error;
}
s2255_probe_v4l(dev);
usb_reset_device(dev->udev);
/* load 2255 board specific */
- s2255_board_init(dev);
+ retval = s2255_board_init(dev);
+ if (retval)
+ goto error;
dprintk(4, "before probe done %p\n", dev);
spin_lock_init(&dev->slock);
}
static struct usb_driver s2255_driver = {
- .name = "s2255",
+ .name = S2255_DRIVER_NAME,
.probe = s2255_probe,
.disconnect = s2255_disconnect,
.id_table = s2255_table,
result = usb_register(&s2255_driver);
if (result)
- err("usb_register failed. Error number %d", result);
+ pr_err(KBUILD_MODNAME
+ ": usb_register failed. Error number %d\n", result);
dprintk(2, "s2255_init: done\n");
return result;
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff