On Thu, 2011-09-08 at 13:01 +0300, Shahar Levi wrote:
> WL12xx FW supports HW channel switch mechanism.
> Add HW channel switch support via channel_switch ops.
>
> Signed-off-by: Shahar Levi <shahar_levi@xxxxxx>
> ---
[...]
> +static void wl12xx_op_channel_switch(struct ieee80211_hw *hw,
> + struct ieee80211_channel_switch *ch_switch)
> +{
> + struct wl1271 *wl = hw->priv;
> + int ret;
> +
> + wl1271_debug(DEBUG_MAC80211, "mac80211 channel switch");
> +
> + mutex_lock(&wl->mutex);
> +
> + if (unlikely(wl->state == WL1271_STATE_OFF)) {
> + mutex_unlock(&wl->mutex);
> + ieee80211_chswitch_done(wl->vif, false);
> + return;
> + }
> +
> + ret = wl1271_ps_elp_wakeup(wl);
> + if (ret < 0)
> + goto out;
> +
> + /* send all pending packets */
> + wl1271_tx_work_locked(wl);
Is this really needed? Can anyone tell why?
--
Cheers,
Luca.
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