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 <phil@raspberrypi.com>

diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
index 52fe736..71b7e5c 100644 (file)
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
@@ -2710,7 +2710,7 @@ 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) {
@@ -2719,6 +2719,7 @@ brcmf_cfg80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *ndev,
                else
                        brcmf_err("error (%d)\n", err);
        }
+       brcmf_fil_iovar_int_set(ifp, "pm2_sleep_ret", 2000); /* 2000ms - the maximum */
 done:
        brcmf_dbg(TRACE, "Exit\n");
        return err;