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wlcore: initialize per-link FW freed blocks correctly

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When a link is allocated, sometimes the "freed packets" counter in FW
is non zero, but we always assumed it is. This caused us to incorrectly
account FW allocated blocks in some cases.

When operating in AP mode, this bug caused some stations to never
come back from PSM.

Signed-off-by: Arik Nemtsov <arik@wizery.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
This commit is contained in:
Arik Nemtsov 2012-11-27 08:44:56 +02:00 • committed by Luciano Coelho
parent 583f81644a
commit b50a62bb39
1 changed files with 4 additions and 0 deletions

4
drivers/net/wireless/ti/wlcore/cmd.c
View file

@ -322,6 +322,10 @@ int wl12xx_allocate_link(struct wl1271 *wl, struct wl12xx_vif *wlvif, u8 *hlid)
__set_bit(link, wl->links_map);
__set_bit(link, wlvif->links_map);
spin_unlock_irqrestore(&wl->wl_lock, flags);
/* take the last "freed packets" value from the current FW status */
wl->links[link].prev_freed_pkts =
wl->fw_status_2->counters.tx_lnk_free_pkts[link];
*hlid = link;
return 0;
}