brcmfmac: Increase power saving delay to 2s

Increase the delay before entering the lower power state to 2 seconds
(the maximum allowed) in order to reduce the packet latencies,
particularly for inbound packets.

Signed-off-by: Phil Elwell <[email protected]>

Author: pelwell

drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c

@@ -3299,7 +3299,7 @@ brcmf_cfg80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *ndev,
 		brcmf_dbg(INFO, "Do not enable power save for P2P clients\n");
 		pm = PM_OFF;
 	}
-	brcmf_err("power save %s\n", (pm ? "enabled" : "disabled"));
+	brcmf_info("power save %s\n", (pm ? "enabled" : "disabled"));
 
 	err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_PM, pm);
 	if (err) {
@@ -3309,6 +3309,7 @@ brcmf_cfg80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *ndev,
 			bphy_err(drvr, "error (%d)\n", err);
 	}
 
+	timeout = 2000; /* 2000ms - the maximum */
 	err = brcmf_fil_iovar_int_set(ifp, "pm2_sleep_ret",
 				min_t(u32, timeout, BRCMF_PS_MAX_TIMEOUT_MS));
 	if (err)