From: David S. Miller Date: Fri, 29 Oct 2010 19:23:15 +0000 (-0700) Subject: Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wirel... X-Git-Tag: v2.6.37-rc1~32^2 X-Git-Url: https://bbs.cooldavid.org/git/?a=commitdiff_plain;h=a4765fa7bfb92d5b9de19a503674b6624f95a7ae;hp=089282fb028198169a0f62f8f833ab6d06bdbb3c;p=net-next-2.6.git Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-2.6 --- diff --git a/drivers/net/wireless/ath/ath5k/attach.c b/drivers/net/wireless/ath/ath5k/attach.c index cd0b14a0a93..fbe8aca975d 100644 --- a/drivers/net/wireless/ath/ath5k/attach.c +++ b/drivers/net/wireless/ath/ath5k/attach.c @@ -139,12 +139,12 @@ int ath5k_hw_attach(struct ath5k_softc *sc) /* Fill the ath5k_hw struct with the needed functions */ ret = ath5k_hw_init_desc_functions(ah); if (ret) - goto err_free; + goto err; /* Bring device out of sleep and reset its units */ ret = ath5k_hw_nic_wakeup(ah, 0, true); if (ret) - goto err_free; + goto err; /* Get MAC, PHY and RADIO revisions */ ah->ah_mac_srev = srev; @@ -234,7 +234,7 @@ int ath5k_hw_attach(struct ath5k_softc *sc) } else { ATH5K_ERR(sc, "Couldn't identify radio revision.\n"); ret = -ENODEV; - goto err_free; + goto err; } } @@ -244,7 +244,7 @@ int ath5k_hw_attach(struct ath5k_softc *sc) (srev < AR5K_SREV_AR2425)) { ATH5K_ERR(sc, "Device not yet supported.\n"); ret = -ENODEV; - goto err_free; + goto err; } /* @@ -252,7 +252,7 @@ int ath5k_hw_attach(struct ath5k_softc *sc) */ ret = ath5k_hw_post(ah); if (ret) - goto err_free; + goto err; /* Enable pci core retry fix on Hainan (5213A) and later chips */ if (srev >= AR5K_SREV_AR5213A) @@ -265,7 +265,7 @@ int ath5k_hw_attach(struct ath5k_softc *sc) ret = ath5k_eeprom_init(ah); if (ret) { ATH5K_ERR(sc, "unable to init EEPROM\n"); - goto err_free; + goto err; } ee = &ah->ah_capabilities.cap_eeprom; @@ -307,7 +307,7 @@ int ath5k_hw_attach(struct ath5k_softc *sc) if (ret) { ATH5K_ERR(sc, "unable to get device capabilities: 0x%04x\n", sc->pdev->device); - goto err_free; + goto err; } /* Crypto settings */ @@ -341,8 +341,7 @@ int ath5k_hw_attach(struct ath5k_softc *sc) ath5k_hw_set_ledstate(ah, AR5K_LED_INIT); return 0; -err_free: - kfree(ah); +err: return ret; } diff --git a/drivers/net/wireless/ath/ath9k/ath9k.h b/drivers/net/wireless/ath/ath9k/ath9k.h index 973c919fdd2..9b8e7e3fceb 100644 --- a/drivers/net/wireless/ath/ath9k/ath9k.h +++ b/drivers/net/wireless/ath/ath9k/ath9k.h @@ -310,7 +310,7 @@ struct ath_rx { u8 rxotherant; u32 *rxlink; unsigned int rxfilter; - spinlock_t rxflushlock; + spinlock_t pcu_lock; spinlock_t rxbuflock; struct list_head rxbuf; struct ath_descdma rxdma; diff --git a/drivers/net/wireless/ath/ath9k/hif_usb.c b/drivers/net/wireless/ath/ath9k/hif_usb.c index 728d904c74d..6576f683dba 100644 --- a/drivers/net/wireless/ath/ath9k/hif_usb.c +++ b/drivers/net/wireless/ath/ath9k/hif_usb.c @@ -801,10 +801,16 @@ static int ath9k_hif_usb_download_fw(struct hif_device_usb *hif_dev) } kfree(buf); - if ((hif_dev->device_id == 0x7010) || (hif_dev->device_id == 0x7015)) + switch (hif_dev->device_id) { + case 0x7010: + case 0x7015: + case 0x9018: firm_offset = AR7010_FIRMWARE_TEXT; - else + break; + default: firm_offset = AR9271_FIRMWARE_TEXT; + break; + } /* * Issue FW download complete command to firmware. diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c index c6ec800d7a6..b52f1cf8a60 100644 --- a/drivers/net/wireless/ath/ath9k/main.c +++ b/drivers/net/wireless/ath/ath9k/main.c @@ -241,6 +241,9 @@ int ath_set_channel(struct ath_softc *sc, struct ieee80211_hw *hw, */ ath9k_hw_set_interrupts(ah, 0); ath_drain_all_txq(sc, false); + + spin_lock_bh(&sc->rx.pcu_lock); + stopped = ath_stoprecv(sc); /* XXX: do not flush receive queue here. We don't want @@ -268,6 +271,7 @@ int ath_set_channel(struct ath_softc *sc, struct ieee80211_hw *hw, "reset status %d\n", channel->center_freq, r); spin_unlock_bh(&sc->sc_resetlock); + spin_unlock_bh(&sc->rx.pcu_lock); goto ps_restore; } spin_unlock_bh(&sc->sc_resetlock); @@ -276,9 +280,12 @@ int ath_set_channel(struct ath_softc *sc, struct ieee80211_hw *hw, ath_print(common, ATH_DBG_FATAL, "Unable to restart recv logic\n"); r = -EIO; + spin_unlock_bh(&sc->rx.pcu_lock); goto ps_restore; } + spin_unlock_bh(&sc->rx.pcu_lock); + ath_update_txpow(sc); ath9k_hw_set_interrupts(ah, ah->imask); @@ -613,7 +620,7 @@ void ath9k_tasklet(unsigned long data) rxmask = (ATH9K_INT_RX | ATH9K_INT_RXEOL | ATH9K_INT_RXORN); if (status & rxmask) { - spin_lock_bh(&sc->rx.rxflushlock); + spin_lock_bh(&sc->rx.pcu_lock); /* Check for high priority Rx first */ if ((ah->caps.hw_caps & ATH9K_HW_CAP_EDMA) && @@ -621,7 +628,7 @@ void ath9k_tasklet(unsigned long data) ath_rx_tasklet(sc, 0, true); ath_rx_tasklet(sc, 0, false); - spin_unlock_bh(&sc->rx.rxflushlock); + spin_unlock_bh(&sc->rx.pcu_lock); } if (status & ATH9K_INT_TX) { @@ -876,6 +883,7 @@ void ath_radio_enable(struct ath_softc *sc, struct ieee80211_hw *hw) if (!ah->curchan) ah->curchan = ath_get_curchannel(sc, sc->hw); + spin_lock_bh(&sc->rx.pcu_lock); spin_lock_bh(&sc->sc_resetlock); r = ath9k_hw_reset(ah, ah->curchan, ah->caldata, false); if (r) { @@ -890,8 +898,10 @@ void ath_radio_enable(struct ath_softc *sc, struct ieee80211_hw *hw) if (ath_startrecv(sc) != 0) { ath_print(common, ATH_DBG_FATAL, "Unable to restart recv logic\n"); + spin_unlock_bh(&sc->rx.pcu_lock); return; } + spin_unlock_bh(&sc->rx.pcu_lock); if (sc->sc_flags & SC_OP_BEACONS) ath_beacon_config(sc, NULL); /* restart beacons */ @@ -930,6 +940,9 @@ void ath_radio_disable(struct ath_softc *sc, struct ieee80211_hw *hw) ath9k_hw_set_interrupts(ah, 0); ath_drain_all_txq(sc, false); /* clear pending tx frames */ + + spin_lock_bh(&sc->rx.pcu_lock); + ath_stoprecv(sc); /* turn off frame recv */ ath_flushrecv(sc); /* flush recv queue */ @@ -947,6 +960,9 @@ void ath_radio_disable(struct ath_softc *sc, struct ieee80211_hw *hw) spin_unlock_bh(&sc->sc_resetlock); ath9k_hw_phy_disable(ah); + + spin_unlock_bh(&sc->rx.pcu_lock); + ath9k_hw_configpcipowersave(ah, 1, 1); ath9k_ps_restore(sc); ath9k_setpower(sc, ATH9K_PM_FULL_SLEEP); @@ -966,6 +982,9 @@ int ath_reset(struct ath_softc *sc, bool retry_tx) ath9k_hw_set_interrupts(ah, 0); ath_drain_all_txq(sc, retry_tx); + + spin_lock_bh(&sc->rx.pcu_lock); + ath_stoprecv(sc); ath_flushrecv(sc); @@ -980,6 +999,8 @@ int ath_reset(struct ath_softc *sc, bool retry_tx) ath_print(common, ATH_DBG_FATAL, "Unable to start recv logic\n"); + spin_unlock_bh(&sc->rx.pcu_lock); + /* * We may be doing a reset in response to a request * that changes the channel so update any state that @@ -1142,6 +1163,7 @@ static int ath9k_start(struct ieee80211_hw *hw) * be followed by initialization of the appropriate bits * and then setup of the interrupt mask. */ + spin_lock_bh(&sc->rx.pcu_lock); spin_lock_bh(&sc->sc_resetlock); r = ath9k_hw_reset(ah, init_channel, ah->caldata, false); if (r) { @@ -1150,6 +1172,7 @@ static int ath9k_start(struct ieee80211_hw *hw) "(freq %u MHz)\n", r, curchan->center_freq); spin_unlock_bh(&sc->sc_resetlock); + spin_unlock_bh(&sc->rx.pcu_lock); goto mutex_unlock; } spin_unlock_bh(&sc->sc_resetlock); @@ -1171,8 +1194,10 @@ static int ath9k_start(struct ieee80211_hw *hw) ath_print(common, ATH_DBG_FATAL, "Unable to start recv logic\n"); r = -EIO; + spin_unlock_bh(&sc->rx.pcu_lock); goto mutex_unlock; } + spin_unlock_bh(&sc->rx.pcu_lock); /* Setup our intr mask. */ ah->imask = ATH9K_INT_TX | ATH9K_INT_RXEOL | @@ -1371,12 +1396,14 @@ static void ath9k_stop(struct ieee80211_hw *hw) * before setting the invalid flag. */ ath9k_hw_set_interrupts(ah, 0); + spin_lock_bh(&sc->rx.pcu_lock); if (!(sc->sc_flags & SC_OP_INVALID)) { ath_drain_all_txq(sc, false); ath_stoprecv(sc); ath9k_hw_phy_disable(ah); } else sc->rx.rxlink = NULL; + spin_unlock_bh(&sc->rx.pcu_lock); /* disable HAL and put h/w to sleep */ ath9k_hw_disable(ah); diff --git a/drivers/net/wireless/ath/ath9k/rc.c b/drivers/net/wireless/ath/ath9k/rc.c index 0cee90cf8dc..89978d71617 100644 --- a/drivers/net/wireless/ath/ath9k/rc.c +++ b/drivers/net/wireless/ath/ath9k/rc.c @@ -527,7 +527,7 @@ static u8 ath_rc_setvalid_rates(struct ath_rate_priv *ath_rc_priv, for (i = 0; i < rateset->rs_nrates; i++) { for (j = 0; j < rate_table->rate_cnt; j++) { u32 phy = rate_table->info[j].phy; - u16 rate_flags = rate_table->info[i].rate_flags; + u16 rate_flags = rate_table->info[j].rate_flags; u8 rate = rateset->rs_rates[i]; u8 dot11rate = rate_table->info[j].dot11rate; diff --git a/drivers/net/wireless/ath/ath9k/recv.c b/drivers/net/wireless/ath/ath9k/recv.c index fe73fc50082..fddb0129bb5 100644 --- a/drivers/net/wireless/ath/ath9k/recv.c +++ b/drivers/net/wireless/ath/ath9k/recv.c @@ -297,19 +297,17 @@ static void ath_edma_start_recv(struct ath_softc *sc) ath_rx_addbuffer_edma(sc, ATH9K_RX_QUEUE_LP, sc->rx.rx_edma[ATH9K_RX_QUEUE_LP].rx_fifo_hwsize); - spin_unlock_bh(&sc->rx.rxbuflock); - ath_opmode_init(sc); ath9k_hw_startpcureceive(sc->sc_ah, (sc->sc_flags & SC_OP_OFFCHANNEL)); + + spin_unlock_bh(&sc->rx.rxbuflock); } static void ath_edma_stop_recv(struct ath_softc *sc) { - spin_lock_bh(&sc->rx.rxbuflock); ath_rx_remove_buffer(sc, ATH9K_RX_QUEUE_HP); ath_rx_remove_buffer(sc, ATH9K_RX_QUEUE_LP); - spin_unlock_bh(&sc->rx.rxbuflock); } int ath_rx_init(struct ath_softc *sc, int nbufs) @@ -319,7 +317,7 @@ int ath_rx_init(struct ath_softc *sc, int nbufs) struct ath_buf *bf; int error = 0; - spin_lock_init(&sc->rx.rxflushlock); + spin_lock_init(&sc->rx.pcu_lock); sc->sc_flags &= ~SC_OP_RXFLUSH; spin_lock_init(&sc->rx.rxbuflock); @@ -506,10 +504,11 @@ int ath_startrecv(struct ath_softc *sc) ath9k_hw_rxena(ah); start_recv: - spin_unlock_bh(&sc->rx.rxbuflock); ath_opmode_init(sc); ath9k_hw_startpcureceive(ah, (sc->sc_flags & SC_OP_OFFCHANNEL)); + spin_unlock_bh(&sc->rx.rxbuflock); + return 0; } @@ -518,6 +517,7 @@ bool ath_stoprecv(struct ath_softc *sc) struct ath_hw *ah = sc->sc_ah; bool stopped; + spin_lock_bh(&sc->rx.rxbuflock); ath9k_hw_stoppcurecv(ah); ath9k_hw_setrxfilter(ah, 0); stopped = ath9k_hw_stopdmarecv(ah); @@ -526,19 +526,18 @@ bool ath_stoprecv(struct ath_softc *sc) ath_edma_stop_recv(sc); else sc->rx.rxlink = NULL; + spin_unlock_bh(&sc->rx.rxbuflock); return stopped; } void ath_flushrecv(struct ath_softc *sc) { - spin_lock_bh(&sc->rx.rxflushlock); sc->sc_flags |= SC_OP_RXFLUSH; if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA) ath_rx_tasklet(sc, 1, true); ath_rx_tasklet(sc, 1, false); sc->sc_flags &= ~SC_OP_RXFLUSH; - spin_unlock_bh(&sc->rx.rxflushlock); } static bool ath_beacon_dtim_pending_cab(struct sk_buff *skb) diff --git a/drivers/net/wireless/ath/ath9k/xmit.c b/drivers/net/wireless/ath/ath9k/xmit.c index 30ef2dfc1ed..f2ade2402ce 100644 --- a/drivers/net/wireless/ath/ath9k/xmit.c +++ b/drivers/net/wireless/ath/ath9k/xmit.c @@ -1089,15 +1089,6 @@ void ath_draintxq(struct ath_softc *sc, struct ath_txq *txq, bool retry_tx) txq->axq_tx_inprogress = false; spin_unlock_bh(&txq->axq_lock); - /* flush any pending frames if aggregation is enabled */ - if (sc->sc_flags & SC_OP_TXAGGR) { - if (!retry_tx) { - spin_lock_bh(&txq->axq_lock); - ath_txq_drain_pending_buffers(sc, txq); - spin_unlock_bh(&txq->axq_lock); - } - } - if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA) { spin_lock_bh(&txq->axq_lock); while (!list_empty(&txq->txq_fifo_pending)) { @@ -1118,6 +1109,15 @@ void ath_draintxq(struct ath_softc *sc, struct ath_txq *txq, bool retry_tx) } spin_unlock_bh(&txq->axq_lock); } + + /* flush any pending frames if aggregation is enabled */ + if (sc->sc_flags & SC_OP_TXAGGR) { + if (!retry_tx) { + spin_lock_bh(&txq->axq_lock); + ath_txq_drain_pending_buffers(sc, txq); + spin_unlock_bh(&txq->axq_lock); + } + } } void ath_drain_all_txq(struct ath_softc *sc, bool retry_tx) diff --git a/drivers/net/wireless/b43/sdio.c b/drivers/net/wireless/b43/sdio.c index 45933cf8e8c..9a55338d957 100644 --- a/drivers/net/wireless/b43/sdio.c +++ b/drivers/net/wireless/b43/sdio.c @@ -175,7 +175,9 @@ static void b43_sdio_remove(struct sdio_func *func) struct b43_sdio *sdio = sdio_get_drvdata(func); ssb_bus_unregister(&sdio->ssb); + sdio_claim_host(func); sdio_disable_func(func); + sdio_release_host(func); kfree(sdio); sdio_set_drvdata(func, NULL); } diff --git a/drivers/net/wireless/libertas/if_sdio.c b/drivers/net/wireless/libertas/if_sdio.c index 296fd00a512..e5685dc317a 100644 --- a/drivers/net/wireless/libertas/if_sdio.c +++ b/drivers/net/wireless/libertas/if_sdio.c @@ -684,18 +684,40 @@ static int if_sdio_prog_firmware(struct if_sdio_card *card) lbs_deb_enter(LBS_DEB_SDIO); + /* + * Disable interrupts + */ + sdio_claim_host(card->func); + sdio_writeb(card->func, 0x00, IF_SDIO_H_INT_MASK, &ret); + sdio_release_host(card->func); + sdio_claim_host(card->func); scratch = if_sdio_read_scratch(card, &ret); sdio_release_host(card->func); + lbs_deb_sdio("firmware status = %#x\n", scratch); + lbs_deb_sdio("scratch ret = %d\n", ret); + if (ret) goto out; - lbs_deb_sdio("firmware status = %#x\n", scratch); + /* + * The manual clearly describes that FEDC is the right code to use + * to detect firmware presence, but for SD8686 it is not that simple. + * Scratch is also used to store the RX packet length, so we lose + * the FEDC value early on. So we use a non-zero check in order + * to validate firmware presence. + * Additionally, the SD8686 in the Gumstix always has the high scratch + * bit set, even when the firmware is not loaded. So we have to + * exclude that from the test. + */ if (scratch == IF_SDIO_FIRMWARE_OK) { lbs_deb_sdio("firmware already loaded\n"); goto success; + } else if ((card->model == MODEL_8686) && (scratch & 0x7fff)) { + lbs_deb_sdio("firmware may be running\n"); + goto success; } ret = lbs_get_firmware(&card->func->dev, lbs_helper_name, lbs_fw_name, @@ -709,10 +731,14 @@ static int if_sdio_prog_firmware(struct if_sdio_card *card) if (ret) goto out; + lbs_deb_sdio("Helper firmware loaded\n"); + ret = if_sdio_prog_real(card, mainfw); if (ret) goto out; + lbs_deb_sdio("Firmware loaded\n"); + success: sdio_claim_host(card->func); sdio_set_block_size(card->func, IF_SDIO_BLOCK_SIZE); @@ -1042,8 +1068,6 @@ static int if_sdio_probe(struct sdio_func *func, priv->exit_deep_sleep = if_sdio_exit_deep_sleep; priv->reset_deep_sleep_wakeup = if_sdio_reset_deep_sleep_wakeup; - priv->fw_ready = 1; - sdio_claim_host(func); /* @@ -1064,6 +1088,8 @@ static int if_sdio_probe(struct sdio_func *func, if (ret) goto reclaim; + priv->fw_ready = 1; + /* * FUNC_INIT is required for SD8688 WLAN/BT multiple functions */ diff --git a/net/mac80211/debugfs_key.c b/net/mac80211/debugfs_key.c index 4aa47d074a7..1243d1db5c5 100644 --- a/net/mac80211/debugfs_key.c +++ b/net/mac80211/debugfs_key.c @@ -203,9 +203,13 @@ static ssize_t key_key_read(struct file *file, char __user *userbuf, size_t count, loff_t *ppos) { struct ieee80211_key *key = file->private_data; - int i, res, bufsize = 2 * key->conf.keylen + 2; + int i, bufsize = 2 * key->conf.keylen + 2; char *buf = kmalloc(bufsize, GFP_KERNEL); char *p = buf; + ssize_t res; + + if (!buf) + return -ENOMEM; for (i = 0; i < key->conf.keylen; i++) p += scnprintf(p, bufsize + buf - p, "%02x", key->conf.key[i]); diff --git a/net/mac80211/main.c b/net/mac80211/main.c index 6b322fa681f..107a0cbe52a 100644 --- a/net/mac80211/main.c +++ b/net/mac80211/main.c @@ -677,10 +677,11 @@ int ieee80211_register_hw(struct ieee80211_hw *hw) /* * Calculate scan IE length -- we need this to alloc * memory and to subtract from the driver limit. It - * includes the (extended) supported rates and HT + * includes the DS Params, (extended) supported rates, and HT * information -- SSID is the driver's responsibility. */ - local->scan_ies_len = 4 + max_bitrates; /* (ext) supp rates */ + local->scan_ies_len = 4 + max_bitrates /* (ext) supp rates */ + + 3 /* DS Params */; if (supp_ht) local->scan_ies_len += 2 + sizeof(struct ieee80211_ht_cap);