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path: root/drivers/net/wireless/zd1211rw/zd_usb.c
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Diffstat (limited to 'drivers/net/wireless/zd1211rw/zd_usb.c')
-rw-r--r--drivers/net/wireless/zd1211rw/zd_usb.c20
1 files changed, 18 insertions, 2 deletions
diff --git a/drivers/net/wireless/zd1211rw/zd_usb.c b/drivers/net/wireless/zd1211rw/zd_usb.c
index 58236e6d0921..ab607bbd6291 100644
--- a/drivers/net/wireless/zd1211rw/zd_usb.c
+++ b/drivers/net/wireless/zd1211rw/zd_usb.c
@@ -643,7 +643,7 @@ static void rx_urb_complete(struct urb *urb)
usb = urb->context;
rx = &usb->rx;
- zd_usb_reset_rx_idle_timer(usb);
+ tasklet_schedule(&rx->reset_timer_tasklet);
if (length%rx->usb_packet_size > rx->usb_packet_size-4) {
/* If there is an old first fragment, we don't care. */
@@ -812,6 +812,7 @@ void zd_usb_disable_rx(struct zd_usb *usb)
__zd_usb_disable_rx(usb);
mutex_unlock(&rx->setup_mutex);
+ tasklet_kill(&rx->reset_timer_tasklet);
cancel_delayed_work_sync(&rx->idle_work);
}
@@ -1106,6 +1107,13 @@ static void zd_rx_idle_timer_handler(struct work_struct *work)
zd_usb_reset_rx(usb);
}
+static void zd_usb_reset_rx_idle_timer_tasklet(unsigned long param)
+{
+ struct zd_usb *usb = (struct zd_usb *)param;
+
+ zd_usb_reset_rx_idle_timer(usb);
+}
+
void zd_usb_reset_rx_idle_timer(struct zd_usb *usb)
{
struct zd_usb_rx *rx = &usb->rx;
@@ -1127,6 +1135,7 @@ static inline void init_usb_interrupt(struct zd_usb *usb)
static inline void init_usb_rx(struct zd_usb *usb)
{
struct zd_usb_rx *rx = &usb->rx;
+
spin_lock_init(&rx->lock);
mutex_init(&rx->setup_mutex);
if (interface_to_usbdev(usb->intf)->speed == USB_SPEED_HIGH) {
@@ -1136,11 +1145,14 @@ static inline void init_usb_rx(struct zd_usb *usb)
}
ZD_ASSERT(rx->fragment_length == 0);
INIT_DELAYED_WORK(&rx->idle_work, zd_rx_idle_timer_handler);
+ rx->reset_timer_tasklet.func = zd_usb_reset_rx_idle_timer_tasklet;
+ rx->reset_timer_tasklet.data = (unsigned long)usb;
}
static inline void init_usb_tx(struct zd_usb *usb)
{
struct zd_usb_tx *tx = &usb->tx;
+
spin_lock_init(&tx->lock);
atomic_set(&tx->enabled, 0);
tx->stopped = 0;
@@ -1671,6 +1683,10 @@ static void iowrite16v_urb_complete(struct urb *urb)
if (urb->status && !usb->cmd_error)
usb->cmd_error = urb->status;
+
+ if (!usb->cmd_error &&
+ urb->actual_length != urb->transfer_buffer_length)
+ usb->cmd_error = -EIO;
}
static int zd_submit_waiting_urb(struct zd_usb *usb, bool last)
@@ -1805,7 +1821,7 @@ int zd_usb_iowrite16v_async(struct zd_usb *usb, const struct zd_ioreq16 *ioreqs,
usb_fill_int_urb(urb, udev, usb_sndintpipe(udev, EP_REGS_OUT),
req, req_len, iowrite16v_urb_complete, usb,
ep->desc.bInterval);
- urb->transfer_flags |= URB_FREE_BUFFER | URB_SHORT_NOT_OK;
+ urb->transfer_flags |= URB_FREE_BUFFER;
/* Submit previous URB */
r = zd_submit_waiting_urb(usb, false);