From 35961627d3e7a4093eb307d782541700e9addec6 Mon Sep 17 00:00:00 2001 From: Christian Lamparter Date: Wed, 22 Oct 2008 14:19:56 +0200 Subject: p54: fix misbehavings when firmware can't be found MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit This patch fixes a double-free error in p54pci ( http://bugzilla.kernel.org/show_bug.cgi?id=11782 ) Trying to free already-free IRQ 10 Pid: 108, comm: pccardd Not tainted 2.6.27-05577-g0cfd810-dirty #1 Call Trace:  [] free_irq+0xad/0xb9  [] dma_generic_alloc_coherent+0x0/0xd7  [] p54p_stop+0x4a/0x1fa  [] dma_generic_alloc_coherent+0x0/0xd7  [] p54p_probe+0x23e/0x302 Tested-by: Sean Young Signed-off-by: Christian Lamparter Signed-off-by: John W. Linville --- drivers/net/wireless/p54/p54pci.c | 132 +++++++++++++++++++------------------- 1 file changed, 66 insertions(+), 66 deletions(-) (limited to 'drivers/net/wireless') diff --git a/drivers/net/wireless/p54/p54pci.c b/drivers/net/wireless/p54/p54pci.c index 1c2a02a741a..88b3cad8b65 100644 --- a/drivers/net/wireless/p54/p54pci.c +++ b/drivers/net/wireless/p54/p54pci.c @@ -346,68 +346,6 @@ static void p54p_tx(struct ieee80211_hw *dev, struct p54_control_hdr *data, printk(KERN_INFO "%s: tx overflow.\n", wiphy_name(dev->wiphy)); } -static int p54p_open(struct ieee80211_hw *dev) -{ - struct p54p_priv *priv = dev->priv; - int err; - - init_completion(&priv->boot_comp); - err = request_irq(priv->pdev->irq, &p54p_interrupt, - IRQF_SHARED, "p54pci", dev); - if (err) { - printk(KERN_ERR "%s: failed to register IRQ handler\n", - wiphy_name(dev->wiphy)); - return err; - } - - memset(priv->ring_control, 0, sizeof(*priv->ring_control)); - err = p54p_upload_firmware(dev); - if (err) { - free_irq(priv->pdev->irq, dev); - return err; - } - priv->rx_idx_data = priv->tx_idx_data = 0; - priv->rx_idx_mgmt = priv->tx_idx_mgmt = 0; - - p54p_refill_rx_ring(dev, 0, priv->ring_control->rx_data, - ARRAY_SIZE(priv->ring_control->rx_data), priv->rx_buf_data); - - p54p_refill_rx_ring(dev, 2, priv->ring_control->rx_mgmt, - ARRAY_SIZE(priv->ring_control->rx_mgmt), priv->rx_buf_mgmt); - - P54P_WRITE(ring_control_base, cpu_to_le32(priv->ring_control_dma)); - P54P_READ(ring_control_base); - wmb(); - udelay(10); - - P54P_WRITE(int_enable, cpu_to_le32(ISL38XX_INT_IDENT_INIT)); - P54P_READ(int_enable); - wmb(); - udelay(10); - - P54P_WRITE(dev_int, cpu_to_le32(ISL38XX_DEV_INT_RESET)); - P54P_READ(dev_int); - - if (!wait_for_completion_interruptible_timeout(&priv->boot_comp, HZ)) { - printk(KERN_ERR "%s: Cannot boot firmware!\n", - wiphy_name(dev->wiphy)); - free_irq(priv->pdev->irq, dev); - return -ETIMEDOUT; - } - - P54P_WRITE(int_enable, cpu_to_le32(ISL38XX_INT_IDENT_UPDATE)); - P54P_READ(int_enable); - wmb(); - udelay(10); - - P54P_WRITE(dev_int, cpu_to_le32(ISL38XX_DEV_INT_UPDATE)); - P54P_READ(dev_int); - wmb(); - udelay(10); - - return 0; -} - static void p54p_stop(struct ieee80211_hw *dev) { struct p54p_priv *priv = dev->priv; @@ -474,6 +412,68 @@ static void p54p_stop(struct ieee80211_hw *dev) memset(ring_control, 0, sizeof(*ring_control)); } +static int p54p_open(struct ieee80211_hw *dev) +{ + struct p54p_priv *priv = dev->priv; + int err; + + init_completion(&priv->boot_comp); + err = request_irq(priv->pdev->irq, &p54p_interrupt, + IRQF_SHARED, "p54pci", dev); + if (err) { + printk(KERN_ERR "%s: failed to register IRQ handler\n", + wiphy_name(dev->wiphy)); + return err; + } + + memset(priv->ring_control, 0, sizeof(*priv->ring_control)); + err = p54p_upload_firmware(dev); + if (err) { + free_irq(priv->pdev->irq, dev); + return err; + } + priv->rx_idx_data = priv->tx_idx_data = 0; + priv->rx_idx_mgmt = priv->tx_idx_mgmt = 0; + + p54p_refill_rx_ring(dev, 0, priv->ring_control->rx_data, + ARRAY_SIZE(priv->ring_control->rx_data), priv->rx_buf_data); + + p54p_refill_rx_ring(dev, 2, priv->ring_control->rx_mgmt, + ARRAY_SIZE(priv->ring_control->rx_mgmt), priv->rx_buf_mgmt); + + P54P_WRITE(ring_control_base, cpu_to_le32(priv->ring_control_dma)); + P54P_READ(ring_control_base); + wmb(); + udelay(10); + + P54P_WRITE(int_enable, cpu_to_le32(ISL38XX_INT_IDENT_INIT)); + P54P_READ(int_enable); + wmb(); + udelay(10); + + P54P_WRITE(dev_int, cpu_to_le32(ISL38XX_DEV_INT_RESET)); + P54P_READ(dev_int); + + if (!wait_for_completion_interruptible_timeout(&priv->boot_comp, HZ)) { + printk(KERN_ERR "%s: Cannot boot firmware!\n", + wiphy_name(dev->wiphy)); + p54p_stop(dev); + return -ETIMEDOUT; + } + + P54P_WRITE(int_enable, cpu_to_le32(ISL38XX_INT_IDENT_UPDATE)); + P54P_READ(int_enable); + wmb(); + udelay(10); + + P54P_WRITE(dev_int, cpu_to_le32(ISL38XX_DEV_INT_UPDATE)); + P54P_READ(dev_int); + wmb(); + udelay(10); + + return 0; +} + static int __devinit p54p_probe(struct pci_dev *pdev, const struct pci_device_id *id) { @@ -556,11 +556,13 @@ static int __devinit p54p_probe(struct pci_dev *pdev, spin_lock_init(&priv->lock); tasklet_init(&priv->rx_tasklet, p54p_rx_tasklet, (unsigned long)dev); - p54p_open(dev); + err = p54p_open(dev); + if (err) + goto err_free_common; err = p54_read_eeprom(dev); p54p_stop(dev); if (err) - goto err_free_desc; + goto err_free_common; err = ieee80211_register_hw(dev); if (err) { @@ -573,8 +575,6 @@ static int __devinit p54p_probe(struct pci_dev *pdev, err_free_common: p54_free_common(dev); - - err_free_desc: pci_free_consistent(pdev, sizeof(*priv->ring_control), priv->ring_control, priv->ring_control_dma); -- cgit v1.2.3-70-g09d2 From bc1b32d6bdd2d6f3fbee9a7c01c9b099f11c579c Mon Sep 17 00:00:00 2001 From: Elias Oltmanns Date: Fri, 24 Oct 2008 21:59:18 +0200 Subject: ath5k: Reset key cache on interface up, thus fixing resume After a s2ram / resume cycle, resetting the key cache does not work unless it is deferred until after the hardware has been reinitialised by a call to ath5k_hw_reset(). This fixes a regression introduced by "ath5k: fix suspend-related oops on rmmod". Signed-off-by: Elias Oltmanns Signed-off-by: John W. Linville --- drivers/net/wireless/ath5k/base.c | 33 +++++++++++---------------------- 1 file changed, 11 insertions(+), 22 deletions(-) (limited to 'drivers/net/wireless') diff --git a/drivers/net/wireless/ath5k/base.c b/drivers/net/wireless/ath5k/base.c index 0f1d6bdd51a..cfd4d052d66 100644 --- a/drivers/net/wireless/ath5k/base.c +++ b/drivers/net/wireless/ath5k/base.c @@ -661,8 +661,7 @@ ath5k_pci_resume(struct pci_dev *pdev) { struct ieee80211_hw *hw = pci_get_drvdata(pdev); struct ath5k_softc *sc = hw->priv; - struct ath5k_hw *ah = sc->ah; - int i, err; + int err; pci_restore_state(pdev); @@ -688,16 +687,6 @@ ath5k_pci_resume(struct pci_dev *pdev) goto err_irq; ath5k_led_enable(sc); - /* - * Reset the key cache since some parts do not - * reset the contents on initial power up or resume. - * - * FIXME: This may need to be revisited when mac80211 becomes - * aware of suspend/resume. - */ - for (i = 0; i < AR5K_KEYTABLE_SIZE; i++) - ath5k_hw_reset_key(ah, i); - return 0; err_irq: free_irq(pdev->irq, sc); @@ -718,7 +707,6 @@ ath5k_attach(struct pci_dev *pdev, struct ieee80211_hw *hw) struct ath5k_softc *sc = hw->priv; struct ath5k_hw *ah = sc->ah; u8 mac[ETH_ALEN]; - unsigned int i; int ret; ATH5K_DBG(sc, ATH5K_DEBUG_ANY, "devid 0x%x\n", pdev->device); @@ -736,13 +724,6 @@ ath5k_attach(struct pci_dev *pdev, struct ieee80211_hw *hw) if (ret > 0) __set_bit(ATH_STAT_MRRETRY, sc->status); - /* - * Reset the key cache since some parts do not - * reset the contents on initial power up. - */ - for (i = 0; i < AR5K_KEYTABLE_SIZE; i++) - ath5k_hw_reset_key(ah, i); - /* * Collect the channel list. The 802.11 layer * is resposible for filtering this list based @@ -2202,7 +2183,8 @@ ath5k_beacon_config(struct ath5k_softc *sc) static int ath5k_init(struct ath5k_softc *sc, bool is_resume) { - int ret; + struct ath5k_hw *ah = sc->ah; + int ret, i; mutex_lock(&sc->lock); @@ -2235,10 +2217,17 @@ ath5k_init(struct ath5k_softc *sc, bool is_resume) if (ret) goto done; + /* + * Reset the key cache since some parts do not reset the + * contents on initial power up or resume from suspend. + */ + for (i = 0; i < AR5K_KEYTABLE_SIZE; i++) + ath5k_hw_reset_key(ah, i); + __set_bit(ATH_STAT_STARTED, sc->status); /* Set ack to be sent at low bit-rates */ - ath5k_hw_set_ack_bitrate_high(sc->ah, false); + ath5k_hw_set_ack_bitrate_high(ah, false); mod_timer(&sc->calib_tim, round_jiffies(jiffies + msecs_to_jiffies(ath5k_calinterval * 1000))); -- cgit v1.2.3-70-g09d2 From f2c2e25554991f9c17bcd24028db5e1c50ecb0ad Mon Sep 17 00:00:00 2001 From: Christian Lamparter Date: Sat, 25 Oct 2008 16:14:14 +0200 Subject: p54: fix build warnings MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit On Saturday 25 October 2008 10:24:10 Johannes Berg wrote: > just FYI in case you haven't seen them. the p54 one looks like a genuine > problem. > > drivers/net/wireless/p54/p54common.c: In function ‘p54_parse_eeprom’: > drivers/net/wireless/p54/p54common.c:325: warning: ‘synth’ may be used uninitialized in this function There you go. Yes, it is a genuine problem, if the device's eeprom is screwed really up. Signed-off-by: Christian Lamparter Signed-off-by: John W. Linville --- drivers/net/wireless/p54/p54common.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) (limited to 'drivers/net/wireless') diff --git a/drivers/net/wireless/p54/p54common.c b/drivers/net/wireless/p54/p54common.c index 2d022f83774..827ca0384a4 100644 --- a/drivers/net/wireless/p54/p54common.c +++ b/drivers/net/wireless/p54/p54common.c @@ -319,7 +319,7 @@ static int p54_parse_eeprom(struct ieee80211_hw *dev, void *eeprom, int len) void *tmp; int err; u8 *end = (u8 *)eeprom + len; - u16 synth; + u16 synth = 0; DECLARE_MAC_BUF(mac); wrap = (struct eeprom_pda_wrap *) eeprom; @@ -422,7 +422,8 @@ static int p54_parse_eeprom(struct ieee80211_hw *dev, void *eeprom, int len) entry = (void *)entry + (entry_len + 1)*2; } - if (!priv->iq_autocal || !priv->output_limit || !priv->curve_data) { + if (!synth || !priv->iq_autocal || !priv->output_limit || + !priv->curve_data) { printk(KERN_ERR "p54: not all required entries found in eeprom!\n"); err = -EINVAL; goto err; -- cgit v1.2.3-70-g09d2 From 10d0bd56966571d0324dfd9bbb8aa913a60bef5f Mon Sep 17 00:00:00 2001 From: Tomas Winkler Date: Wed, 29 Oct 2008 01:03:01 +0200 Subject: iwlwifi: fix suspend to RAM in iwlwifi This patch fixes suspend to RAM after by moving notify_mac out of iwlwifi mutex http://bugzilla.kernel.org/show_bug.cgi?id=11845 Signed-off-by: Emmanuel Grumbach Signed-off-by: Tomas Winkler Tested-by: Carlos R. Mafra Tested-by: Christian Borntraeger Cc: Rafael J. Wysocki Signed-off-by: John W. Linville --- drivers/net/wireless/iwlwifi/iwl-agn.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers/net/wireless') diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c index 24a1aeb6448..321dbc8c034 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn.c +++ b/drivers/net/wireless/iwlwifi/iwl-agn.c @@ -2090,7 +2090,6 @@ static void iwl_alive_start(struct iwl_priv *priv) iwl4965_error_recovery(priv); iwl_power_update_mode(priv, 1); - ieee80211_notify_mac(priv->hw, IEEE80211_NOTIFY_RE_ASSOC); if (test_and_clear_bit(STATUS_MODE_PENDING, &priv->status)) iwl4965_set_mode(priv, priv->iw_mode); @@ -2342,6 +2341,7 @@ static void iwl_bg_alive_start(struct work_struct *data) mutex_lock(&priv->mutex); iwl_alive_start(priv); mutex_unlock(&priv->mutex); + ieee80211_notify_mac(priv->hw, IEEE80211_NOTIFY_RE_ASSOC); } static void iwl4965_bg_rf_kill(struct work_struct *work) -- cgit v1.2.3-70-g09d2 From 87bf24f3d2e076468deaa5181d44184887072904 Mon Sep 17 00:00:00 2001 From: Holger Schurig Date: Wed, 29 Oct 2008 10:35:02 +0100 Subject: libertas: remove two libertas sparse warning Johannes Berg detected this two sparse warnings: drivers/net/wireless/libertas/cmd.c:609:16: warning: cast to restricted __le16 drivers/net/wireless/libertas/cmd.c:611:16: warning: cast to restricted __le16 ... but cmd.minlevel is "s8", so we can access it directly and hope for the sign-extension-code in the compiler to convert that to the "s16" type. Signed-off-by: Holger Schurig Acked-by: Dan Williams Signed-off-by: John W. Linville --- drivers/net/wireless/libertas/cmd.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'drivers/net/wireless') diff --git a/drivers/net/wireless/libertas/cmd.c b/drivers/net/wireless/libertas/cmd.c index 297696de2da..8265c7d25ed 100644 --- a/drivers/net/wireless/libertas/cmd.c +++ b/drivers/net/wireless/libertas/cmd.c @@ -605,9 +605,9 @@ int lbs_get_tx_power(struct lbs_private *priv, s16 *curlevel, s16 *minlevel, if (ret == 0) { *curlevel = le16_to_cpu(cmd.curlevel); if (minlevel) - *minlevel = le16_to_cpu(cmd.minlevel); + *minlevel = cmd.minlevel; if (maxlevel) - *maxlevel = le16_to_cpu(cmd.maxlevel); + *maxlevel = cmd.maxlevel; } lbs_deb_leave(LBS_DEB_CMD); -- cgit v1.2.3-70-g09d2 From 48735d8d8bd701b1e0cd3d49c21e5e385ddcb077 Mon Sep 17 00:00:00 2001 From: Johannes Berg Date: Wed, 29 Oct 2008 11:43:32 +0100 Subject: libertas: fix buffer overrun If somebody sends an invalid beacon/probe response, that can trash the whole BSS descriptor. The descriptor is, luckily, large enough so that it cannot scribble past the end of it; it's well above 400 bytes long. Signed-off-by: Johannes Berg Cc: stable@kernel.org [2.6.24-2.6.27, bug present in some form since driver was added (2.6.22)] Signed-off-by: John W. Linville --- drivers/net/wireless/libertas/scan.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'drivers/net/wireless') diff --git a/drivers/net/wireless/libertas/scan.c b/drivers/net/wireless/libertas/scan.c index 8f66903641b..22c4c611052 100644 --- a/drivers/net/wireless/libertas/scan.c +++ b/drivers/net/wireless/libertas/scan.c @@ -598,8 +598,8 @@ static int lbs_process_bss(struct bss_descriptor *bss, switch (elem->id) { case MFIE_TYPE_SSID: - bss->ssid_len = elem->len; - memcpy(bss->ssid, elem->data, elem->len); + bss->ssid_len = min_t(int, 32, elem->len); + memcpy(bss->ssid, elem->data, bss->ssid_len); lbs_deb_scan("got SSID IE: '%s', len %u\n", escape_essid(bss->ssid, bss->ssid_len), bss->ssid_len); -- cgit v1.2.3-70-g09d2 From 85519a65fd1100ceede7318a89f77a219c69c6ac Mon Sep 17 00:00:00 2001 From: Bob Copeland Date: Wed, 29 Oct 2008 08:30:53 -0400 Subject: ath5k: correct misspelling in debug help Change "mamagement" to "management" Signed-off-by: Bob Copeland Signed-off-by: John W. Linville --- drivers/net/wireless/ath5k/debug.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers/net/wireless') diff --git a/drivers/net/wireless/ath5k/debug.c b/drivers/net/wireless/ath5k/debug.c index 8f92d670f61..19980cbd5d5 100644 --- a/drivers/net/wireless/ath5k/debug.c +++ b/drivers/net/wireless/ath5k/debug.c @@ -339,7 +339,7 @@ static struct { { ATH5K_DEBUG_BEACON, "beacon", "beacon handling" }, { ATH5K_DEBUG_CALIBRATE, "calib", "periodic calibration" }, { ATH5K_DEBUG_TXPOWER, "txpower", "transmit power setting" }, - { ATH5K_DEBUG_LED, "led", "LED mamagement" }, + { ATH5K_DEBUG_LED, "led", "LED management" }, { ATH5K_DEBUG_DUMP_RX, "dumprx", "print received skb content" }, { ATH5K_DEBUG_DUMP_TX, "dumptx", "print transmit skb content" }, { ATH5K_DEBUG_DUMPBANDS, "dumpbands", "dump bands" }, -- cgit v1.2.3-70-g09d2 From 5dc5340cfc00097e79d9d787567d311e898aaa84 Mon Sep 17 00:00:00 2001 From: Ivo van Doorn Date: Wed, 29 Oct 2008 17:19:08 +0100 Subject: rt2x00: Fix build error when mac80211=M rt2x00=Y Make menuconfig RT2X00 a tristate instead of boolean, otherwise we do not correctly inherit the mac80211 value on which RT2X00 depends, and makes it possible to compile rt2x00 into the kernel while mac80211 is a module. Signed-off-by: Ivo van Doorn Signed-off-by: John W. Linville --- drivers/net/wireless/rt2x00/Kconfig | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers/net/wireless') diff --git a/drivers/net/wireless/rt2x00/Kconfig b/drivers/net/wireless/rt2x00/Kconfig index f839ce044af..95511ac2247 100644 --- a/drivers/net/wireless/rt2x00/Kconfig +++ b/drivers/net/wireless/rt2x00/Kconfig @@ -1,5 +1,5 @@ menuconfig RT2X00 - bool "Ralink driver support" + tristate "Ralink driver support" depends on MAC80211 && WLAN_80211 && EXPERIMENTAL ---help--- This will enable the experimental support for the Ralink drivers, -- cgit v1.2.3-70-g09d2 From 7d19267b8d1e12c0baebf9be96e04cddffe63f67 Mon Sep 17 00:00:00 2001 From: Elias Oltmanns Date: Wed, 29 Oct 2008 14:25:42 +0100 Subject: ath5k: Fix reset sequence for AR5212 in general and RF5111 in particular Take care to handle register 0xa228 exactly as in the HAL released by Atheros. This change is required to make ath5k work again on my system since commit 2203d6be (ath5k: Misc hw_reset updates), thus fixing a regression in 2.6.27 and therefore hopefully eligible for inclusion into a stable release. v2: Only overwrite initial register values on later revisions of AR5212 chips. v3: Use standard macros to manipulate the register. Signed-off-by: Elias Oltmanns Signed-off-by: John W. Linville --- drivers/net/wireless/ath5k/initvals.c | 2 ++ drivers/net/wireless/ath5k/reset.c | 22 +++++++--------------- 2 files changed, 9 insertions(+), 15 deletions(-) (limited to 'drivers/net/wireless') diff --git a/drivers/net/wireless/ath5k/initvals.c b/drivers/net/wireless/ath5k/initvals.c index ea2e1a20b49..ceaa6c475c0 100644 --- a/drivers/net/wireless/ath5k/initvals.c +++ b/drivers/net/wireless/ath5k/initvals.c @@ -806,6 +806,8 @@ static const struct ath5k_ini_mode ar5212_rf5111_ini_mode_end[] = { { 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000 } }, { AR5K_PHY(642), { 0xd03e6788, 0xd03e6788, 0xd03e6788, 0xd03e6788, 0xd03e6788 } }, + { 0xa228, + { 0x000001b5, 0x000001b5, 0x000001b5, 0x000001b5, 0x000001b5 } }, { 0xa23c, { 0x13c889af, 0x13c889af, 0x13c889af, 0x13c889af, 0x13c889af } }, }; diff --git a/drivers/net/wireless/ath5k/reset.c b/drivers/net/wireless/ath5k/reset.c index 8f1886834e6..1b6d45b6772 100644 --- a/drivers/net/wireless/ath5k/reset.c +++ b/drivers/net/wireless/ath5k/reset.c @@ -537,9 +537,10 @@ int ath5k_hw_reset(struct ath5k_hw *ah, enum nl80211_iftype op_mode, mdelay(1); /* - * Write some more initial register settings + * Write some more initial register settings for revised chips */ - if (ah->ah_version == AR5K_AR5212) { + if (ah->ah_version == AR5K_AR5212 && + ah->ah_phy_revision > 0x41) { ath5k_hw_reg_write(ah, 0x0002a002, 0x982c); if (channel->hw_value == CHANNEL_G) @@ -558,19 +559,10 @@ int ath5k_hw_reset(struct ath5k_hw *ah, enum nl80211_iftype op_mode, else ath5k_hw_reg_write(ah, 0x00000000, 0x994c); - /* Some bits are disabled here, we know nothing about - * register 0xa228 yet, most of the times this ends up - * with a value 0x9b5 -haven't seen any dump with - * a different value- */ - /* Got this from decompiling binary HAL */ - data = ath5k_hw_reg_read(ah, 0xa228); - data &= 0xfffffdff; - ath5k_hw_reg_write(ah, data, 0xa228); - - data = ath5k_hw_reg_read(ah, 0xa228); - data &= 0xfffe03ff; - ath5k_hw_reg_write(ah, data, 0xa228); - data = 0; + /* Got this from legacy-hal */ + AR5K_REG_DISABLE_BITS(ah, 0xa228, 0x200); + + AR5K_REG_MASKED_BITS(ah, 0xa228, 0x800, 0xfffe03ff); /* Just write 0x9b5 ? */ /* ath5k_hw_reg_write(ah, 0x000009b5, 0xa228); */ -- cgit v1.2.3-70-g09d2 From 063279062a8c530cc90fb77797db16c49c905b26 Mon Sep 17 00:00:00 2001 From: Bob Copeland Date: Wed, 29 Oct 2008 08:30:56 -0400 Subject: ath5k: honor FIF_BCN_PRBRESP_PROMISC in STA mode We were setting RX_FILTER_BEACON even after entering STA mode, which leads to a lot of unnecessary wakeups. This should fix the bug "Ath5k driver has too many interrupts per second at idle" at http://bugzilla.kernel.org/show_bug.cgi?id=11749. Signed-off-by: Bob Copeland Acked-by: Nick Kossifidis Signed-off-by: John W. Linville --- drivers/net/wireless/ath5k/base.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) (limited to 'drivers/net/wireless') diff --git a/drivers/net/wireless/ath5k/base.c b/drivers/net/wireless/ath5k/base.c index cfd4d052d66..9e47d727e22 100644 --- a/drivers/net/wireless/ath5k/base.c +++ b/drivers/net/wireless/ath5k/base.c @@ -2942,10 +2942,8 @@ static void ath5k_configure_filter(struct ieee80211_hw *hw, sc->opmode != NL80211_IFTYPE_MESH_POINT && test_bit(ATH_STAT_PROMISC, sc->status)) rfilt |= AR5K_RX_FILTER_PROM; - if (sc->opmode == NL80211_IFTYPE_STATION || - sc->opmode == NL80211_IFTYPE_ADHOC) { + if (sc->opmode == NL80211_IFTYPE_ADHOC) rfilt |= AR5K_RX_FILTER_BEACON; - } /* Set filters */ ath5k_hw_set_rx_filter(ah,rfilt); -- cgit v1.2.3-70-g09d2