Commit ac978dc7 authored by Arnd Bergmann's avatar Arnd Bergmann Committed by Kalle Valo
Browse files

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: default avatarArnd Bergmann <arnd@arndb.de>
Signed-off-by: default avatarKalle Valo <kvalo@codeaurora.org>
parent 3c92d551

drivers/net/wireless/realtek/rtlwifi/rtl8821ae/hw.c

+0 −5
Original line number Diff line number Diff line
@@ -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;

drivers/net/wireless/realtek/rtlwifi/wifi.h

+0 −2
Original line number Diff line number Diff line
@@ -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 {

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