diff options
Diffstat (limited to 'drivers/usb/misc/ftdi-elan.c')
| -rw-r--r-- | drivers/usb/misc/ftdi-elan.c | 86 |
1 files changed, 28 insertions, 58 deletions
diff --git a/drivers/usb/misc/ftdi-elan.c b/drivers/usb/misc/ftdi-elan.c index 9b591b8b9369..e4e2cf2ba915 100644 --- a/drivers/usb/misc/ftdi-elan.c +++ b/drivers/usb/misc/ftdi-elan.c @@ -156,9 +156,9 @@ struct usb_ftdi { 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; @@ -210,23 +210,14 @@ static void ftdi_elan_init_kref(struct usb_ftdi *ftdi) 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) @@ -237,25 +228,14 @@ 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) @@ -267,25 +247,14 @@ 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) @@ -475,9 +444,11 @@ static void ftdi_elan_kick_command_queue(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; @@ -500,9 +471,10 @@ static void ftdi_elan_kick_respond_queue(struct usb_ftdi *ftdi) 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; @@ -534,9 +506,10 @@ static void ftdi_elan_respond_work(void *data) * 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); @@ -2691,12 +2664,9 @@ static int ftdi_elan_probe(struct usb_interface *interface, 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 { |