On Wed, 2011-05-11 at 11:54 +0300, Eliad Peller wrote:
> When operating as station, enter psm before suspending
> the device into wowlan state.
>
> Signed-off-by: Eliad Peller <eliad@xxxxxxxxxx>
> ---
[...]
> diff --git a/drivers/net/wireless/wl12xx/main.c b/drivers/net/wireless/wl12xx/main.c
> index 308855a..b4dd1d9 100644
> --- a/drivers/net/wireless/wl12xx/main.c
> +++ b/drivers/net/wireless/wl12xx/main.c
> @@ -1332,6 +1332,79 @@ static struct notifier_block wl1271_dev_notifier = {
> .notifier_call = wl1271_dev_notify,
> };
>
> +static int wl1271_configure_suspend(struct wl1271 *wl)
> +{
> + int ret;
> +
> + if (wl->bss_type != BSS_TYPE_STA_BSS)
> + return 0;
> +
> + mutex_lock(&wl->mutex);
> +
> + ret = wl1271_ps_elp_wakeup(wl);
> + if (ret < 0)
> + goto out_unlock;
> +
> + /* enter psm if needed*/
> + if (!test_bit(WL1271_FLAG_PSM, &wl->flags)) {
> + DECLARE_COMPLETION_ONSTACK(compl);
> +
> + wl->ps_compl = &compl;
> + ret = wl1271_ps_set_mode(wl, STATION_POWER_SAVE_MODE,
> + wl->basic_rate, true);
> + if (ret < 0)
> + goto out_sleep;
> +
> + /* we must unlock here so we will be able to get events */
> + wl1271_ps_elp_sleep(wl);
> + mutex_unlock(&wl->mutex);
> +
> + ret = wait_for_completion_timeout(
> + &compl, msecs_to_jiffies(500));
We have this for the ELP wakeup:
#define WL1271_WAKEUP_TIMEOUT 500
We should have a similar definition PS timeout. And is this value just
a guess or is there a real meaning to it? Can these timeouts be combined
instead of having separate defines?
--
Cheers,
Luca.
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