commit 3cbb5dd73697b3f1c677daffe29f00ace22b71e9
author Vivek Natarajan <vivek.natraj@gmail.com> Tue Jan 20 11:17:08 2009 +0530
committer John W. Linville <linville@tuxdriver.com> Thu Jan 29 16:01:03 2009 -0500
tree 39fcb371ef37b9a2a53a4cdf72a8e98c64d9e98e
parent c5d0569882b9c264be31dcb0758961bfc479deea

ath9k: Enable dynamic power save in ath9k.

This patch implements dynamic power save feature for ath9k.

Signed-off-by: Vivek Natarajan <vnatarajan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

drivers/net/wireless/ath9k/recv.c

diff --git a/drivers/net/wireless/ath9k/recv.c b/drivers/net/wireless/ath9k/recv.c
index 648bb49..8da08f9 100644
--- a/drivers/net/wireless/ath9k/recv.c
+++ b/drivers/net/wireless/ath9k/recv.c
@@ -628,6 +628,12 @@
 		} else {
 			sc->rx.rxotherant = 0;
 		}
+
+		if (ieee80211_is_beacon(hdr->frame_control) &&
+				(sc->sc_flags & SC_OP_WAIT_FOR_BEACON)) {
+			sc->sc_flags &= ~SC_OP_WAIT_FOR_BEACON;
+			ath9k_hw_setpower(sc->sc_ah, ATH9K_PM_NETWORK_SLEEP);
+		}
 requeue:
 		list_move_tail(&bf->list, &sc->rx.rxbuf);
 		ath_rx_buf_link(sc, bf);