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rtlwifi: drop unused ppsc->last_wakeup_time 

The calculation of ppsc->last_wakeup_time is not y2038-safe, but
the variable is not used at all, so we can simply drop it.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
This commit is contained in:
Arnd Bergmann 2017-11-06 14:55:37 +01:00 committed by Kalle Valo
parent 3c92d5517a
commit ac978dc79a
2 changed files with 0 additions and 7 deletions
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5
drivers/net/wireless/realtek/rtlwifi/rtl8821ae/hw.c
View File

@ -1364,7 +1364,6 @@ static void _rtl8821ae_get_wakeup_reason(struct ieee80211_hw *hw)
struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
struct rtl_ps_ctl *ppsc = rtl_psc(rtlpriv);
u8 fw_reason = 0;
struct timeval ts;
fw_reason = rtl_read_byte(rtlpriv, REG_MCUTST_WOWLAN);
@ -1378,15 +1377,11 @@ static void _rtl8821ae_get_wakeup_reason(struct ieee80211_hw *hw)
switch (fw_reason) {
case FW_WOW_V2_PTK_UPDATE_EVENT:
ppsc->wakeup_reason = WOL_REASON_PTK_UPDATE;
do_gettimeofday(&ts);
ppsc->last_wakeup_time = ts.tv_sec*1000 + ts.tv_usec/1000;
RT_TRACE(rtlpriv, COMP_POWER, DBG_DMESG,
"It's a WOL PTK Key update event!\n");
break;
case FW_WOW_V2_GTK_UPDATE_EVENT:
ppsc->wakeup_reason = WOL_REASON_GTK_UPDATE;
do_gettimeofday(&ts);
ppsc->last_wakeup_time = ts.tv_sec*1000 + ts.tv_usec/1000;
RT_TRACE(rtlpriv, COMP_POWER, DBG_DMESG,
"It's a WOL GTK Key update event!\n");
break;

2
drivers/net/wireless/realtek/rtlwifi/wifi.h
View File

@ -1954,8 +1954,6 @@ struct rtl_ps_ctl {
u8 gtk_offload_enable;
/* Used for WOL, indicates the reason for waking event.*/
u32 wakeup_reason;
/* Record the last waking time for comparison with setting key. */
u64 last_wakeup_time;
};
struct rtl_stats {