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wl12xx: flush all Tx queues on tx_flush timeout 

Ensure our queues are empty at the end of a tx_flush(), in case we
timeout on passively waiting for them. This makes sure no left-overs are
transmitted when we are on the wrong channel.

Signed-off-by: Arik Nemtsov <arik@wizery.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
This commit is contained in:
Arik Nemtsov 2012-02-28 00:41:32 +02:00 committed by Luciano Coelho
parent 49c9cd2644
commit 18aa755b84
1 changed files with 7 additions and 0 deletions
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7
drivers/net/wireless/wl12xx/tx.c
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@ -1040,6 +1040,7 @@ void wl12xx_tx_reset(struct wl1271 *wl, bool reset_tx_queues)
void wl1271_tx_flush(struct wl1271 *wl)
{
unsigned long timeout;
int i;
timeout = jiffies + usecs_to_jiffies(WL1271_TX_FLUSH_TIMEOUT);
while (!time_after(jiffies, timeout)) {
@ -1057,6 +1058,12 @@ void wl1271_tx_flush(struct wl1271 *wl)
}
wl1271_warning("Unable to flush all TX buffers, timed out.");
/* forcibly flush all Tx buffers on our queues */
mutex_lock(&wl->mutex);
for (i = 0; i < WL12XX_MAX_LINKS; i++)
wl1271_tx_reset_link_queues(wl, i);
mutex_unlock(&wl->mutex);
}
u32 wl1271_tx_min_rate_get(struct wl1271 *wl, u32 rate_set)