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mac80211: A couple of fixes to dynamic power save. 

a) hw_config() should not be called from siwpower() for the drivers which do not support
   dynamic powersave.
b) IEEE80211_HW_NO_STACK_DYNAMIC_PS needs to be verified in set_associated() also before
   enabling the power save timers.

Signed-off-by: Vivek Natarajan <vnatarajan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Vivek Natarajan 2008-12-23 18:28:34 -08:00 committed by John W. Linville
parent d063ed0f0c
commit 869717fbe4
2 changed files with 7 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
net/mac80211/mlme.c
View File

@ -751,7 +751,8 @@ static void ieee80211_set_associated(struct ieee80211_sub_if_data *sdata,
bss_info_changed |= BSS_CHANGED_BASIC_RATES;
ieee80211_bss_info_change_notify(sdata, bss_info_changed);
if (local->powersave) {
if (local->powersave &&
!(local->hw.flags & IEEE80211_HW_NO_STACK_DYNAMIC_PS)) {
if (local->dynamic_ps_timeout > 0)
mod_timer(&local->dynamic_ps_timer, jiffies +
msecs_to_jiffies(local->dynamic_ps_timeout));

9
net/mac80211/wext.c
View File

@ -865,9 +865,9 @@ set:
local->powersave = ps;
local->dynamic_ps_timeout = timeout;
if (sdata->u.sta.flags & IEEE80211_STA_ASSOCIATED) {
if (!(local->hw.flags & IEEE80211_HW_NO_STACK_DYNAMIC_PS) &&
local->dynamic_ps_timeout > 0)
if (!(local->hw.flags & IEEE80211_HW_NO_STACK_DYNAMIC_PS) &&
(sdata->u.sta.flags & IEEE80211_STA_ASSOCIATED)) {
if (local->dynamic_ps_timeout > 0)
mod_timer(&local->dynamic_ps_timer, jiffies +
msecs_to_jiffies(local->dynamic_ps_timeout));
else {
@ -875,8 +875,9 @@ set:
conf->flags |= IEEE80211_CONF_PS;
else
conf->flags &= ~IEEE80211_CONF_PS;
ret = ieee80211_hw_config(local,
IEEE80211_CONF_CHANGE_PS);
}
ret = ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
}
return ret;