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@@ -643,7 +643,7 @@ static void rx_urb_complete(struct urb *urb)
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usb = urb->context;
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rx = &usb->rx;
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- zd_usb_reset_rx_idle_timer(usb);
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+ tasklet_schedule(&rx->reset_timer_tasklet);
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if (length%rx->usb_packet_size > rx->usb_packet_size-4) {
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/* If there is an old first fragment, we don't care. */
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@@ -812,6 +812,7 @@ void zd_usb_disable_rx(struct zd_usb *usb)
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__zd_usb_disable_rx(usb);
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mutex_unlock(&rx->setup_mutex);
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+ tasklet_kill(&rx->reset_timer_tasklet);
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cancel_delayed_work_sync(&rx->idle_work);
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}
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@@ -1106,6 +1107,13 @@ static void zd_rx_idle_timer_handler(struct work_struct *work)
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zd_usb_reset_rx(usb);
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}
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+static void zd_usb_reset_rx_idle_timer_tasklet(unsigned long param)
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+{
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+ struct zd_usb *usb = (struct zd_usb *)param;
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+
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+ zd_usb_reset_rx_idle_timer(usb);
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+}
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+
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void zd_usb_reset_rx_idle_timer(struct zd_usb *usb)
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{
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struct zd_usb_rx *rx = &usb->rx;
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@@ -1127,6 +1135,7 @@ static inline void init_usb_interrupt(struct zd_usb *usb)
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static inline void init_usb_rx(struct zd_usb *usb)
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{
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struct zd_usb_rx *rx = &usb->rx;
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+
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spin_lock_init(&rx->lock);
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mutex_init(&rx->setup_mutex);
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if (interface_to_usbdev(usb->intf)->speed == USB_SPEED_HIGH) {
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@@ -1136,11 +1145,14 @@ static inline void init_usb_rx(struct zd_usb *usb)
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}
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ZD_ASSERT(rx->fragment_length == 0);
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INIT_DELAYED_WORK(&rx->idle_work, zd_rx_idle_timer_handler);
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+ rx->reset_timer_tasklet.func = zd_usb_reset_rx_idle_timer_tasklet;
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+ rx->reset_timer_tasklet.data = (unsigned long)usb;
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}
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static inline void init_usb_tx(struct zd_usb *usb)
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{
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struct zd_usb_tx *tx = &usb->tx;
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+
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spin_lock_init(&tx->lock);
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atomic_set(&tx->enabled, 0);
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tx->stopped = 0;
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@@ -1671,6 +1683,10 @@ static void iowrite16v_urb_complete(struct urb *urb)
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if (urb->status && !usb->cmd_error)
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usb->cmd_error = urb->status;
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+
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+ if (!usb->cmd_error &&
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+ urb->actual_length != urb->transfer_buffer_length)
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+ usb->cmd_error = -EIO;
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}
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static int zd_submit_waiting_urb(struct zd_usb *usb, bool last)
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@@ -1805,7 +1821,7 @@ int zd_usb_iowrite16v_async(struct zd_usb *usb, const struct zd_ioreq16 *ioreqs,
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usb_fill_int_urb(urb, udev, usb_sndintpipe(udev, EP_REGS_OUT),
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req, req_len, iowrite16v_urb_complete, usb,
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ep->desc.bInterval);
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- urb->transfer_flags |= URB_FREE_BUFFER | URB_SHORT_NOT_OK;
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+ urb->transfer_flags |= URB_FREE_BUFFER;
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/* Submit previous URB */
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r = zd_submit_waiting_urb(usb, false);
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