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brcmfmac: Increase power saving delay to 2s

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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>
This commit is contained in:
Phil Elwell
2020-02-03 09:32:22 +00:00
committed by Dom Cobley
parent d06b2dab35
commit 5dc96b49eb
1 changed files with 2 additions and 1 deletions
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3
drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
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@@ -3322,7 +3322,7 @@ brcmf_cfg80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *ndev,
brcmf_dbg(INFO, "Do not enable power save for P2P clients\n"); brcmf_dbg(INFO, "Do not enable power save for P2P clients\n");
pm = PM_OFF; pm = PM_OFF;
} }
brcmf_dbg(INFO, "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); err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_PM, pm);
if (err) { if (err) {
@@ -3332,6 +3332,7 @@ brcmf_cfg80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *ndev,
bphy_err(drvr, "error (%d)\n", err); bphy_err(drvr, "error (%d)\n", err);
} }
timeout = 2000; /* 2000ms - the maximum */
err = brcmf_fil_iovar_int_set(ifp, "pm2_sleep_ret", err = brcmf_fil_iovar_int_set(ifp, "pm2_sleep_ret",
min_t(u32, timeout, BRCMF_PS_MAX_TIMEOUT_MS)); min_t(u32, timeout, BRCMF_PS_MAX_TIMEOUT_MS));
if (err) if (err)