diff options
Diffstat (limited to 'drivers/net/wireless/marvell/libertas')
| -rw-r--r-- | drivers/net/wireless/marvell/libertas/cfg.c | 38 | ||||
| -rw-r--r-- | drivers/net/wireless/marvell/libertas/cmd.c | 40 | ||||
| -rw-r--r-- | drivers/net/wireless/marvell/libertas/cmdresp.c | 9 | ||||
| -rw-r--r-- | drivers/net/wireless/marvell/libertas/dev.h | 1 | ||||
| -rw-r--r-- | drivers/net/wireless/marvell/libertas/if_sdio.c | 2 | ||||
| -rw-r--r-- | drivers/net/wireless/marvell/libertas/if_usb.c | 1 | ||||
| -rw-r--r-- | drivers/net/wireless/marvell/libertas/main.c | 10 |
7 files changed, 64 insertions, 37 deletions
diff --git a/drivers/net/wireless/marvell/libertas/cfg.c b/drivers/net/wireless/marvell/libertas/cfg.c index 86955c416b30..2eea76a340b7 100644 --- a/drivers/net/wireless/marvell/libertas/cfg.c +++ b/drivers/net/wireless/marvell/libertas/cfg.c @@ -2039,6 +2039,43 @@ static int lbs_leave_ibss(struct wiphy *wiphy, struct net_device *dev) +int lbs_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev, + bool enabled, int timeout) +{ + struct lbs_private *priv = wiphy_priv(wiphy); + + if (!(priv->fwcapinfo & FW_CAPINFO_PS)) { + if (!enabled) + return 0; + else + return -EINVAL; + } + /* firmware does not work well with too long latency with power saving + * enabled, so do not enable it if there is only polling, no + * interrupts (like in some sdio hosts which can only + * poll for sdio irqs) + */ + if (priv->is_polling) { + if (!enabled) + return 0; + else + return -EINVAL; + } + if (!enabled) { + priv->psmode = LBS802_11POWERMODECAM; + if (priv->psstate != PS_STATE_FULL_POWER) + lbs_set_ps_mode(priv, + PS_MODE_ACTION_EXIT_PS, + true); + return 0; + } + if (priv->psmode != LBS802_11POWERMODECAM) + return 0; + priv->psmode = LBS802_11POWERMODEMAX_PSP; + if (priv->connect_status == LBS_CONNECTED) + lbs_set_ps_mode(priv, PS_MODE_ACTION_ENTER_PS, true); + return 0; +} /* * Initialization @@ -2057,6 +2094,7 @@ static struct cfg80211_ops lbs_cfg80211_ops = { .change_virtual_intf = lbs_change_intf, .join_ibss = lbs_join_ibss, .leave_ibss = lbs_leave_ibss, + .set_power_mgmt = lbs_set_power_mgmt, }; diff --git a/drivers/net/wireless/marvell/libertas/cmd.c b/drivers/net/wireless/marvell/libertas/cmd.c index 0387a5b380c8..4ddd0e5a6b85 100644 --- a/drivers/net/wireless/marvell/libertas/cmd.c +++ b/drivers/net/wireless/marvell/libertas/cmd.c @@ -957,7 +957,7 @@ static void lbs_queue_cmd(struct lbs_private *priv, /* Exit_PS command needs to be queued in the header always. */ if (le16_to_cpu(cmdnode->cmdbuf->command) == CMD_802_11_PS_MODE) { - struct cmd_ds_802_11_ps_mode *psm = (void *) &cmdnode->cmdbuf; + struct cmd_ds_802_11_ps_mode *psm = (void *)cmdnode->cmdbuf; if (psm->action == cpu_to_le16(PS_MODE_ACTION_EXIT_PS)) { if (priv->psstate != PS_STATE_FULL_POWER) @@ -1387,7 +1387,7 @@ int lbs_execute_next_command(struct lbs_private *priv) * PS command. Ignore it if it is not Exit_PS. * otherwise send it down immediately. */ - struct cmd_ds_802_11_ps_mode *psm = (void *)&cmd[1]; + struct cmd_ds_802_11_ps_mode *psm = (void *)cmd; lbs_deb_host( "EXEC_NEXT_CMD: PS cmd, action 0x%02x\n", @@ -1428,40 +1428,14 @@ int lbs_execute_next_command(struct lbs_private *priv) * check if in power save mode, if yes, put the device back * to PS mode */ -#ifdef TODO - /* - * This was the old code for libertas+wext. Someone that - * understands this beast should re-code it in a sane way. - * - * I actually don't understand why this is related to WPA - * and to connection status, shouldn't powering should be - * independ of such things? - */ if ((priv->psmode != LBS802_11POWERMODECAM) && (priv->psstate == PS_STATE_FULL_POWER) && - ((priv->connect_status == LBS_CONNECTED) || - lbs_mesh_connected(priv))) { - if (priv->secinfo.WPAenabled || - priv->secinfo.WPA2enabled) { - /* check for valid WPA group keys */ - if (priv->wpa_mcast_key.len || - priv->wpa_unicast_key.len) { - lbs_deb_host( - "EXEC_NEXT_CMD: WPA enabled and GTK_SET" - " go back to PS_SLEEP"); - lbs_set_ps_mode(priv, - PS_MODE_ACTION_ENTER_PS, - false); - } - } else { - lbs_deb_host( - "EXEC_NEXT_CMD: cmdpendingq empty, " - "go back to PS_SLEEP"); - lbs_set_ps_mode(priv, PS_MODE_ACTION_ENTER_PS, - false); - } + (priv->connect_status == LBS_CONNECTED)) { + lbs_deb_host( + "EXEC_NEXT_CMD: cmdpendingq empty, go back to PS_SLEEP"); + lbs_set_ps_mode(priv, PS_MODE_ACTION_ENTER_PS, + false); } -#endif } ret = 0; diff --git a/drivers/net/wireless/marvell/libertas/cmdresp.c b/drivers/net/wireless/marvell/libertas/cmdresp.c index e5442e8956f7..c95bf6dc9522 100644 --- a/drivers/net/wireless/marvell/libertas/cmdresp.c +++ b/drivers/net/wireless/marvell/libertas/cmdresp.c @@ -123,7 +123,10 @@ int lbs_process_command_response(struct lbs_private *priv, u8 *data, u32 len) priv->cmd_timed_out = 0; if (respcmd == CMD_RET(CMD_802_11_PS_MODE)) { - struct cmd_ds_802_11_ps_mode *psmode = (void *) &resp[1]; + /* struct cmd_ds_802_11_ps_mode also contains + * the header + */ + struct cmd_ds_802_11_ps_mode *psmode = (void *)resp; u16 action = le16_to_cpu(psmode->action); lbs_deb_host( @@ -254,6 +257,10 @@ int lbs_process_event(struct lbs_private *priv, u32 event) "EVENT: in FULL POWER mode, ignoring PS_SLEEP\n"); break; } + if (!list_empty(&priv->cmdpendingq)) { + lbs_deb_cmd("EVENT: commands in queue, do not sleep\n"); + break; + } priv->psstate = PS_STATE_PRE_SLEEP; lbs_ps_confirm_sleep(priv); diff --git a/drivers/net/wireless/marvell/libertas/dev.h b/drivers/net/wireless/marvell/libertas/dev.h index 6bd1608992b0..edf710bc5e77 100644 --- a/drivers/net/wireless/marvell/libertas/dev.h +++ b/drivers/net/wireless/marvell/libertas/dev.h @@ -99,6 +99,7 @@ struct lbs_private { /* Hardware access */ void *card; bool iface_running; + u8 is_polling; /* host has to poll the card irq */ u8 fw_ready; u8 surpriseremoved; u8 setup_fw_on_resume; diff --git a/drivers/net/wireless/marvell/libertas/if_sdio.c b/drivers/net/wireless/marvell/libertas/if_sdio.c index 68fd3a9779bd..13eae9ff8c35 100644 --- a/drivers/net/wireless/marvell/libertas/if_sdio.c +++ b/drivers/net/wireless/marvell/libertas/if_sdio.c @@ -1267,7 +1267,7 @@ static int if_sdio_probe(struct sdio_func *func, priv->reset_card = if_sdio_reset_card; priv->power_save = if_sdio_power_save; priv->power_restore = if_sdio_power_restore; - + priv->is_polling = !(func->card->host->caps & MMC_CAP_SDIO_IRQ); ret = if_sdio_power_on(card); if (ret) goto err_activate_card; diff --git a/drivers/net/wireless/marvell/libertas/if_usb.c b/drivers/net/wireless/marvell/libertas/if_usb.c index dff08a2896a3..aba0c9995b14 100644 --- a/drivers/net/wireless/marvell/libertas/if_usb.c +++ b/drivers/net/wireless/marvell/libertas/if_usb.c @@ -267,6 +267,7 @@ static int if_usb_probe(struct usb_interface *intf, priv->enter_deep_sleep = NULL; priv->exit_deep_sleep = NULL; priv->reset_deep_sleep_wakeup = NULL; + priv->is_polling = false; #ifdef CONFIG_OLPC if (machine_is_olpc()) priv->reset_card = if_usb_reset_olpc_card; diff --git a/drivers/net/wireless/marvell/libertas/main.c b/drivers/net/wireless/marvell/libertas/main.c index 8079560f4965..8541cbed786d 100644 --- a/drivers/net/wireless/marvell/libertas/main.c +++ b/drivers/net/wireless/marvell/libertas/main.c @@ -1060,7 +1060,12 @@ void lbs_remove_card(struct lbs_private *priv) if (priv->psmode == LBS802_11POWERMODEMAX_PSP) { priv->psmode = LBS802_11POWERMODECAM; - lbs_set_ps_mode(priv, PS_MODE_ACTION_EXIT_PS, true); + /* no need to wakeup if already woken up, + * on suspend, this exit ps command is not processed + * the driver hangs + */ + if (priv->psstate != PS_STATE_FULL_POWER) + lbs_set_ps_mode(priv, PS_MODE_ACTION_EXIT_PS, true); } if (priv->is_deep_sleep) { @@ -1113,7 +1118,8 @@ int lbs_start_card(struct lbs_private *priv) else pr_info("%s: mesh disabled\n", dev->name); - if (lbs_cfg_register(priv)) { + ret = lbs_cfg_register(priv); + if (ret) { pr_err("cannot register device\n"); goto done; } |