struct usb_device *udev;
struct usb_interface *interface;
struct usb_class_driver *class;
- struct work_struct status_work;
- struct work_struct command_work;
- struct work_struct respond_work;
+ struct delayed_work status_work;
+ struct delayed_work command_work;
+ struct delayed_work respond_work;
struct u132_platform_data platform_data;
struct resource resources[0];
struct platform_device platform_dev;
static void ftdi_status_requeue_work(struct usb_ftdi *ftdi, unsigned int delta)
{
- if (delta > 0) {
- if (queue_delayed_work(status_queue, &ftdi->status_work, delta))
- return;
- } else if (queue_work(status_queue, &ftdi->status_work))
- return;
- kref_put(&ftdi->kref, ftdi_elan_delete);
- return;
+ if (!queue_delayed_work(status_queue, &ftdi->status_work, delta))
+ kref_put(&ftdi->kref, ftdi_elan_delete);
}
static void ftdi_status_queue_work(struct usb_ftdi *ftdi, unsigned int delta)
{
- if (delta > 0) {
- if (queue_delayed_work(status_queue, &ftdi->status_work, delta))
- kref_get(&ftdi->kref);
- } else if (queue_work(status_queue, &ftdi->status_work))
- kref_get(&ftdi->kref);
- return;
+ if (queue_delayed_work(status_queue, &ftdi->status_work, delta))
+ kref_get(&ftdi->kref);
}
static void ftdi_status_cancel_work(struct usb_ftdi *ftdi)
static void ftdi_command_requeue_work(struct usb_ftdi *ftdi, unsigned int delta)
{
- if (delta > 0) {
- if (queue_delayed_work(command_queue, &ftdi->command_work,
- delta))
- return;
- } else if (queue_work(command_queue, &ftdi->command_work))
- return;
- kref_put(&ftdi->kref, ftdi_elan_delete);
- return;
+ if (!queue_delayed_work(command_queue, &ftdi->command_work, delta))
+ kref_put(&ftdi->kref, ftdi_elan_delete);
}
static void ftdi_command_queue_work(struct usb_ftdi *ftdi, unsigned int delta)
{
- if (delta > 0) {
- if (queue_delayed_work(command_queue, &ftdi->command_work,
- delta))
- kref_get(&ftdi->kref);
- } else if (queue_work(command_queue, &ftdi->command_work))
- kref_get(&ftdi->kref);
- return;
+ if (queue_delayed_work(command_queue, &ftdi->command_work, delta))
+ kref_get(&ftdi->kref);
}
static void ftdi_command_cancel_work(struct usb_ftdi *ftdi)
static void ftdi_response_requeue_work(struct usb_ftdi *ftdi,
unsigned int delta)
{
- if (delta > 0) {
- if (queue_delayed_work(respond_queue, &ftdi->respond_work,
- delta))
- return;
- } else if (queue_work(respond_queue, &ftdi->respond_work))
- return;
- kref_put(&ftdi->kref, ftdi_elan_delete);
- return;
+ if (!queue_delayed_work(respond_queue, &ftdi->respond_work, delta))
+ kref_put(&ftdi->kref, ftdi_elan_delete);
}
static void ftdi_respond_queue_work(struct usb_ftdi *ftdi, unsigned int delta)
{
- if (delta > 0) {
- if (queue_delayed_work(respond_queue, &ftdi->respond_work,
- delta))
- kref_get(&ftdi->kref);
- } else if (queue_work(respond_queue, &ftdi->respond_work))
- kref_get(&ftdi->kref);
- return;
+ if (queue_delayed_work(respond_queue, &ftdi->respond_work, delta))
+ kref_get(&ftdi->kref);
}
static void ftdi_response_cancel_work(struct usb_ftdi *ftdi)
return;
}
-static void ftdi_elan_command_work(void *data)
+static void ftdi_elan_command_work(struct work_struct *work)
{
- struct usb_ftdi *ftdi = data;
+ struct usb_ftdi *ftdi =
+ container_of(work, struct usb_ftdi, command_work.work);
+
if (ftdi->disconnected > 0) {
ftdi_elan_put_kref(ftdi);
return;
return;
}
-static void ftdi_elan_respond_work(void *data)
+static void ftdi_elan_respond_work(struct work_struct *work)
{
- struct usb_ftdi *ftdi = data;
+ struct usb_ftdi *ftdi =
+ container_of(work, struct usb_ftdi, respond_work.work);
if (ftdi->disconnected > 0) {
ftdi_elan_put_kref(ftdi);
return;
ftdi->disconnected += 1;
} else if (retval == -ENODEV) {
ftdi->disconnected += 1;
- } else if (retval == -ENODEV) {
- ftdi->disconnected += 1;
} else if (retval == -EILSEQ) {
ftdi->disconnected += 1;
} else {
* after the FTDI has been synchronized
*
*/
-static void ftdi_elan_status_work(void *data)
+static void ftdi_elan_status_work(struct work_struct *work)
{
- struct usb_ftdi *ftdi = data;
+ struct usb_ftdi *ftdi =
+ container_of(work, struct usb_ftdi, status_work.work);
int work_delay_in_msec = 0;
if (ftdi->disconnected > 0) {
ftdi_elan_put_kref(ftdi);
return bytes_read;
}
-static void ftdi_elan_write_bulk_callback(struct urb *urb, struct pt_regs *regs)
+static void ftdi_elan_write_bulk_callback(struct urb *urb)
{
struct usb_ftdi *ftdi = (struct usb_ftdi *)urb->context;
if (urb->status && !(urb->status == -ENOENT || urb->status ==
int retval = 0;
struct urb *urb;
char *buf;
- char data[30 *3 + 4];
- char *d = data;
- const char __user *s = user_buffer;
- int m = (sizeof(data) - 1) / 3;
- struct usb_ftdi *ftdi = (struct usb_ftdi *)file->private_data;
+ struct usb_ftdi *ftdi = file->private_data;
+
if (ftdi->disconnected > 0) {
return -ENODEV;
}
if (retval) {
dev_err(&ftdi->udev->dev, "failed submitting write urb, error %"
"d\n", retval);
- goto error_4;
+ goto error_3;
}
usb_free_urb(urb);
- exit:;
- if (count > m) {
- int I = m - 1;
- while (I-- > 0) {
- d += sprintf(d, " %02X", 0x000000FF & *s++);
- }
- d += sprintf(d, " ..");
- } else {
- int I = count;
- while (I-- > 0) {
- d += sprintf(d, " %02X", 0x000000FF & *s++);
- }
- }
+
+exit:
return count;
- error_4: error_3:usb_buffer_free(ftdi->udev, count, buf,
- urb->transfer_dma);
- error_2:usb_free_urb(urb);
- error_1:return retval;
+error_3:
+ usb_buffer_free(ftdi->udev, count, buf, urb->transfer_dma);
+error_2:
+ usb_free_urb(urb);
+error_1:
+ return retval;
}
static struct file_operations ftdi_elan_fops = {
ftdi->class = NULL;
dev_info(&ftdi->udev->dev, "USB FDTI=%p ELAN interface %d now a"
"ctivated\n", ftdi, iface_desc->desc.bInterfaceNumber);
- INIT_WORK(&ftdi->status_work, ftdi_elan_status_work,
- (void *)ftdi);
- INIT_WORK(&ftdi->command_work, ftdi_elan_command_work,
- (void *)ftdi);
- INIT_WORK(&ftdi->respond_work, ftdi_elan_respond_work,
- (void *)ftdi);
+ INIT_DELAYED_WORK(&ftdi->status_work, ftdi_elan_status_work);
+ INIT_DELAYED_WORK(&ftdi->command_work, ftdi_elan_command_work);
+ INIT_DELAYED_WORK(&ftdi->respond_work, ftdi_elan_respond_work);
ftdi_status_queue_work(ftdi, msecs_to_jiffies(3 *1000));
return 0;
} else {