Searched refs:ctrl_urb_lock (Results 1 – 4 of 4) sorted by relevance
79 mutex_lock(&dev->ctrl_urb_lock); in em28xx_read_reg_req_len()90 mutex_unlock(&dev->ctrl_urb_lock); in em28xx_read_reg_req_len()97 mutex_unlock(&dev->ctrl_urb_lock); in em28xx_read_reg_req_len()147 mutex_lock(&dev->ctrl_urb_lock); in em28xx_write_regs_req()152 mutex_unlock(&dev->ctrl_urb_lock); in em28xx_write_regs_req()
703 struct mutex ctrl_urb_lock; /* protects urb_buf */ member
3582 mutex_init(&dev->ctrl_urb_lock); in em28xx_init_dev()
246 mutex_lock(&dev->ctrl_urb_lock); in __usb_control_msg()253 mutex_unlock(&dev->ctrl_urb_lock); in __usb_control_msg()