diff options
Diffstat (limited to 'drivers/media/usb/gspca/sq905.c')
| -rw-r--r-- | drivers/media/usb/gspca/sq905.c | 11 |
1 files changed, 5 insertions, 6 deletions
diff --git a/drivers/media/usb/gspca/sq905.c b/drivers/media/usb/gspca/sq905.c index 2e05acab304c..1d99f10a3e19 100644 --- a/drivers/media/usb/gspca/sq905.c +++ b/drivers/media/usb/gspca/sq905.c @@ -201,14 +201,13 @@ sq905_read_data(struct gspca_dev *gspca_dev, u8 *data, int size, int need_lock) return 0; } -/* This function is called as a workqueue function and runs whenever the camera +/* + * This function is called as a workqueue function and runs whenever the camera * is streaming data. Because it is a workqueue function it is allowed to sleep * so we can use synchronous USB calls. To avoid possible collisions with other - * threads attempting to use the camera's USB interface we take the gspca - * usb_lock when performing USB operations. In practice the only thing we need - * to protect against is the usb_set_interface call that gspca makes during - * stream_off as the camera doesn't provide any controls that the user could try - * to change. + * threads attempting to use gspca_dev->usb_buf we take the usb_lock when + * performing USB operations using it. In practice we don't really need this + * as the camera doesn't provide any controls. */ static void sq905_dostream(struct work_struct *work) { |