Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit bbd79af5 authored by Luis R. Rodriguez's avatar Luis R. Rodriguez Committed by John W. Linville
Browse files

ath9k_hw: add some comments for ath9k_set_power_network_sleep() 



Signed-off-by: default avatarLuis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent e041228f

drivers/net/wireless/ath/ath9k/hw.c

+10 −0
Original line number Diff line number Diff line
@@ -2036,6 +2036,11 @@ static void ath9k_set_power_sleep(struct ath_hw *ah, int setChip) 
	}

}



/*

 * Notify Power Management is enabled in self-generating

 * frames. If request, set power mode of chip to

 * auto/normal.  Duration in units of 128us (1/8 TU).

 */

static void ath9k_set_power_network_sleep(struct ath_hw *ah, int setChip)

{

	REG_SET_BIT(ah, AR_STA_ID1, AR_STA_ID1_PWR_SAV);
@@ -2043,9 +2048,14 @@ static void ath9k_set_power_network_sleep(struct ath_hw *ah, int setChip) 
		struct ath9k_hw_capabilities *pCap = &ah->caps;



		if (!(pCap->hw_caps & ATH9K_HW_CAP_AUTOSLEEP)) {

			/* Set WakeOnInterrupt bit; clear ForceWake bit */

			REG_WRITE(ah, AR_RTC_FORCE_WAKE,

				  AR_RTC_FORCE_WAKE_ON_INT);

		} else {

			/*

			 * Clear the RTC force wake bit to allow the

			 * mac to go to sleep.

			 */

			REG_CLR_BIT(ah, AR_RTC_FORCE_WAKE,

				    AR_RTC_FORCE_WAKE_EN);

		}