diff options
Diffstat (limited to 'drivers/staging/gdm724x/gdm_mux.c')
| -rw-r--r-- | drivers/staging/gdm724x/gdm_mux.c | 20 |
1 files changed, 4 insertions, 16 deletions
diff --git a/drivers/staging/gdm724x/gdm_mux.c b/drivers/staging/gdm724x/gdm_mux.c index 445f83615575..6bedd668324c 100644 --- a/drivers/staging/gdm724x/gdm_mux.c +++ b/drivers/staging/gdm724x/gdm_mux.c @@ -26,8 +26,6 @@ #include "gdm_mux.h" -static struct workqueue_struct *mux_rx_wq; - static u16 packet_type[TTY_MAX_COUNT] = {0xF011, 0xF010}; #define USB_DEVICE_CDC_DATA(vid, pid) \ @@ -275,7 +273,7 @@ static void gdm_mux_rcv_complete(struct urb *urb) r->len = r->urb->actual_length; spin_lock_irqsave(&rx->to_host_lock, flags); list_add_tail(&r->to_host_list, &rx->to_host_list); - queue_work(mux_rx_wq, &mux_dev->work_rx.work); + schedule_work(&mux_dev->work_rx.work); spin_unlock_irqrestore(&rx->to_host_lock, flags); } } @@ -435,7 +433,7 @@ static int gdm_mux_send_control(void *priv_dev, int request, int value, if (ret < 0) pr_err("usb_control_msg error: %d\n", ret); - return ret < 0 ? ret : 0; + return min(ret, 0); } static void release_usb(struct mux_dev *mux_dev) @@ -602,6 +600,8 @@ static int gdm_mux_suspend(struct usb_interface *intf, pm_message_t pm_msg) mux_dev = tty_dev->priv_dev; rx = &mux_dev->rx; + cancel_work_sync(&mux_dev->work_rx.work); + if (mux_dev->usb_state != PM_NORMAL) { dev_err(intf->usb_dev, "usb suspend - invalid state\n"); return -1; @@ -656,13 +656,6 @@ static struct usb_driver gdm_mux_driver = { static int __init gdm_usb_mux_init(void) { - - mux_rx_wq = create_workqueue("mux_rx_wq"); - if (!mux_rx_wq) { - pr_err("work queue create fail\n"); - return -1; - } - register_lte_tty_driver(); return usb_register(&gdm_mux_driver); @@ -672,11 +665,6 @@ static void __exit gdm_usb_mux_exit(void) { unregister_lte_tty_driver(); - if (mux_rx_wq) { - flush_workqueue(mux_rx_wq); - destroy_workqueue(mux_rx_wq); - } - usb_deregister(&gdm_mux_driver); } |