diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/usb/gadget/function/f_ncm.c | 30 |
1 files changed, 7 insertions, 23 deletions
diff --git a/drivers/usb/gadget/function/f_ncm.c b/drivers/usb/gadget/function/f_ncm.c index c5bce8e22983..5780fba620ab 100644 --- a/drivers/usb/gadget/function/f_ncm.c +++ b/drivers/usb/gadget/function/f_ncm.c @@ -73,9 +73,7 @@ struct f_ncm { struct sk_buff *skb_tx_ndp; u16 ndp_dgram_count; bool timer_force_tx; - struct tasklet_struct tx_tasklet; struct hrtimer task_timer; - bool timer_stopping; }; @@ -1104,7 +1102,7 @@ static struct sk_buff *ncm_wrap_ntb(struct gether *port, /* Delay the timer. */ hrtimer_start(&ncm->task_timer, TX_TIMEOUT_NSECS, - HRTIMER_MODE_REL); + HRTIMER_MODE_REL_SOFT); /* Add the datagram position entries */ ntb_ndp = skb_put_zero(ncm->skb_tx_ndp, dgram_idx_len); @@ -1148,17 +1146,15 @@ err: } /* - * This transmits the NTB if there are frames waiting. + * The transmit should only be run if no skb data has been sent + * for a certain duration. */ -static void ncm_tx_tasklet(unsigned long data) +static enum hrtimer_restart ncm_tx_timeout(struct hrtimer *data) { - struct f_ncm *ncm = (void *)data; - - if (ncm->timer_stopping) - return; + struct f_ncm *ncm = container_of(data, struct f_ncm, task_timer); /* Only send if data is available. */ - if (ncm->skb_tx_data) { + if (!ncm->timer_stopping && ncm->skb_tx_data) { ncm->timer_force_tx = true; /* XXX This allowance of a NULL skb argument to ndo_start_xmit @@ -1171,16 +1167,6 @@ static void ncm_tx_tasklet(unsigned long data) ncm->timer_force_tx = false; } -} - -/* - * The transmit should only be run if no skb data has been sent - * for a certain duration. - */ -static enum hrtimer_restart ncm_tx_timeout(struct hrtimer *data) -{ - struct f_ncm *ncm = container_of(data, struct f_ncm, task_timer); - tasklet_schedule(&ncm->tx_tasklet); return HRTIMER_NORESTART; } @@ -1513,8 +1499,7 @@ static int ncm_bind(struct usb_configuration *c, struct usb_function *f) ncm->port.open = ncm_open; ncm->port.close = ncm_close; - tasklet_init(&ncm->tx_tasklet, ncm_tx_tasklet, (unsigned long) ncm); - hrtimer_init(&ncm->task_timer, CLOCK_MONOTONIC, HRTIMER_MODE_REL); + hrtimer_init(&ncm->task_timer, CLOCK_MONOTONIC, HRTIMER_MODE_REL_SOFT); ncm->task_timer.function = ncm_tx_timeout; DBG(cdev, "CDC Network: %s speed IN/%s OUT/%s NOTIFY/%s\n", @@ -1623,7 +1608,6 @@ static void ncm_unbind(struct usb_configuration *c, struct usb_function *f) DBG(c->cdev, "ncm unbind\n"); hrtimer_cancel(&ncm->task_timer); - tasklet_kill(&ncm->tx_tasklet); ncm_string_defs[0].id = 0; usb_free_all_descriptors(f); |