diff options
| author | Jussi Kivilinna <jussi.kivilinna@mbnet.fi> | 2011-04-01 19:34:16 +0300 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2011-04-04 15:22:12 -0400 |
| commit | 023535732f4db01af4921f20f058bc4561d9add7 (patch) | |
| tree | fc4cf7aa28a7ba81a115f41052f71e08fee7b5cd | |
| parent | 2fc713b20469b2779fa89f582d2a9696b10031e7 (diff) | |
| download | linux-023535732f4db01af4921f20f058bc4561d9add7.tar.bz2 | |
zd1211rw: reset rx idle timer from tasklet
2.6.38 added WARN_ON(in_irq) in del_timer_sync that triggers on zd1211rw when
reseting rx idle timer in urb completion handler.
Move timer reseting to tasklet.
Signed-off-by: Jussi Kivilinna <jussi.kivilinna@mbnet.fi>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
| -rw-r--r-- | drivers/net/wireless/zd1211rw/zd_usb.c | 14 | ||||
| -rw-r--r-- | drivers/net/wireless/zd1211rw/zd_usb.h | 1 |
2 files changed, 14 insertions, 1 deletions
diff --git a/drivers/net/wireless/zd1211rw/zd_usb.c b/drivers/net/wireless/zd1211rw/zd_usb.c index 9b1a26a4435b..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; diff --git a/drivers/net/wireless/zd1211rw/zd_usb.h b/drivers/net/wireless/zd1211rw/zd_usb.h index b3df2c8116cc..325d0f989257 100644 --- a/drivers/net/wireless/zd1211rw/zd_usb.h +++ b/drivers/net/wireless/zd1211rw/zd_usb.h @@ -183,6 +183,7 @@ struct zd_usb_rx { spinlock_t lock; struct mutex setup_mutex; struct delayed_work idle_work; + struct tasklet_struct reset_timer_tasklet; u8 fragment[2 * USB_MAX_RX_SIZE]; unsigned int fragment_length; unsigned int usb_packet_size; |