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2012-06-20ath9k: remove MIB interrupt supportFelix Fietkau4-67/+2
The new ANI implementation does not need it Signed-off-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-06-20ath9k_hw: clean up defines and variables from the ANI implementation splitFelix Fietkau4-63/+43
Signed-off-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-06-20ath9k_hw: remove the old ANI implementationFelix Fietkau4-468/+19
It was found to be buggy on a variety of chipsets from AR913x to AR928x. The new version (which was introduced along with AR93xx support) is more reliable in preventing connectivity dropouts and also fixes MIB interrupt storm issues. Signed-off-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-06-20ath9k_hw: clean up / fix ANI mode checks related to beacon RSSIFelix Fietkau1-7/+5
Beacon RSSI is only meaningful in station mode - in ad-hoc mode it fluctuates, depending on which peer last sent a beacon, and in other modes it is not set at all. Fix places in ANI where the beacon RSSI is used to limit their use to station mode only. Signed-off-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-06-20ath9k_hw: remove confusing logic inversion in an ANI variableFelix Fietkau4-24/+23
Code using this had already triggered smatch complaints, so remove it before it gets fixed the wrong way. Signed-off-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-06-20ath9k_hw: fix OFDM weak signal detection handlingFelix Fietkau1-4/+7
Commit "ath9k_hw: improve ANI processing and rx desensitizing parameters" was unifying some code related to overriding OFDM weak signal detection, but seems to have gotten some of the original intent wrong, probably because of a misnamed variable. The beacon RSSI is only valid in station mode, and the main reason to check it in ath9k_hw_set_ofdm_nil is to make sure that OFDM weak signal detection stays enabled if the RSSI is low, even when the OFDM noise immunity entry is supposed to disable it. The above commit removed the mode checks and changed the code so that OFDM weak signal detection would only be changed if the rssi is high, which is wrong for everything but client mode. This patch restores the old behavior in a simplified form. Signed-off-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-06-20ath9k_hw: remove aniState->noiseFloorFelix Fietkau2-8/+4
I don't know why somebody decided to keep a cached copy of beacon rssi in a variable called 'noiseFloor', but the caching is unnecessary and the variable name is confusing, so let's just get rid of it entirely. Signed-off-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-06-20rt2x00: Add support for BUFFALO WLI-UC-GNM2 to rt2800usb.Jeongdo Son1-0/+1
This is a RT3070 based device. Signed-off-by: Jeongdo Son <sohn9086@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-06-20brcm80211: add mailing list address for brcm80211 driversArend van Spriel1-0/+1
Added the mailing list address brcm80211-dev-list@broadcom.com which can be used to report issues and in bug reports. Signed-off-by: Arend van Spriel <arend@broadcom.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-06-20brcmfmac: introduce checkdied debugfs functionalityArend van Spriel1-1/+331
The checkdied functionality provides useful information for analyzing firmware crashes. By exposing this information to a debugfs file users can easily provide its content in bug reports. The functionality is available only when CONFIG_BRCMDBG is selected. Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com> Reviewed-by: Franky (Zhenhui) Lin <frankyl@broadcom.com> Signed-off-by: Arend van Spriel <arend@broadcom.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-06-20rt2x00 : RT3290 chip support v4Woody Hung7-57/+567
This patch support the new chipset rt3290 wifi implementation in rt2x00. It initailize the related mac, bbp and rf register in startup phase. And this patch modify the efuse read/write method for the different efuse data offset of rt3290. Signed-off-by: Woody Hung <Woody.Hung@mediatek.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-06-20Merge branch 'for-john' of ↵John W. Linville11-85/+93
git://git.kernel.org/pub/scm/linux/kernel/git/iwlwifi/iwlwifi-next
2012-06-20Merge branch 'for-linville' of git://github.com/kvalo/ath6klJohn W. Linville10-83/+477
2012-06-20iwlwifi: remove sku field from hw_paramsJohannes Berg4-13/+8
Now that the eeprom parsing code overrides the sku field directly with 11n_disable parameters, there's no longer a need to keep a copy of this field. Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-06-20iwlwifi: use minimal time for radio reset scanJohannes Berg1-22/+19
The effect of using a short single-channel scan to reset the radio is that scanning a channel that isn't in use needs to re-tune the radio. This means that the dwell time is irrelevant, so use a shorter time. While at it, clean up the code for this a bit. Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-06-20iwlwifi: fix 11n_disable EEPROM refactoring regressionJohannes Berg1-0/+3
My commit 26a7ca9a71a ("iwlwifi: refactor EEPROM reading/parsing") broke the 11n_disable module parameter's BIT(0) to disable all HT operation (using the other bits to disable aggregation only was unaffected). Restore this by overriding the SKU when parsing the EEPROM if the module parameter is set. Reported-by: Matthijs Kooijman <matthijs@stdin.nl> Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-06-18iwlwifi: delay ROC if doing internal reset scanJohannes Berg1-2/+12
When the device is doing an internal radio reset scan, ROC can be rejected to the supplicant with busy status which confuses it. One option would be to queue the ROC and handle it later, but since the radio reset scan is very quick we can just wait for it to finish instead. Also add a warning since we shouldn't run into the case of having a scan active when requesting a ROC in any other case since mac80211 will not scan while ROC or ROC while scanning. Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-06-18iwlwifi: disable early power Off reset for all NICsEmmanuel Grumbach2-14/+12
This feature needs to be disabled for all NICs. Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-06-18iwlwifi: protect use_ict with irq_lockEmmanuel Grumbach1-16/+14
This variable was accessed without taking the lock. Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-06-18iwlwifi: don't disable interrupt while starting txEmmanuel Grumbach1-8/+0
This is really not needed, we already have a lock inside the accesses to the prph. Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-06-18iwlwifi: don't disable interrupt in iwl_abort_notification_waitsEmmanuel Grumbach1-3/+2
This is not needed since notif_wait_lock is never accessed from IRQ. Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-06-18iwlwifi: disable BH before the call to iwl_op_mode_nic_errorEmmanuel Grumbach1-0/+2
This is required by the op_mode API. Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-06-18iwlwifi: comment context requirements of the op_modeEmmanuel Grumbach1-7/+9
A few op_mode of the op_mode API functions have requirements on the running context of the caller. Document that. Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-06-18iwlwifi: print the scratch of all the buffers stuck in a queueEmmanuel Grumbach1-0/+9
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-06-18iwlwifi: check that we have enough bits to track the TX queuesEmmanuel Grumbach1-0/+3
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-06-14iwlwifi: unlock on error pathDan Carpenter1-1/+3
We introduced a lock here in ff1ffb850b ("iwlwifi: fix dynamic loading"). But we missed an error path which needs an unlock. Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-06-14Merge remote branch 'wireless-next/master' into ath6kl-nextKalle Valo12066-475377/+739223
Conflicts: drivers/net/wireless/ath/ath6kl/cfg80211.c
2012-06-14ath6kl: fix fw capability parsingThomas Pedersen1-3/+3
This patch fixes a bug where no capabilites are parsed when the number of firmware capability bits translate into fewer bytes than the host has knowledge of. Instead just process number of capability bytes as reported by the firmware. Signed-off-by: Thomas Pedersen <c_tpeder@qca.qualcomm.com> Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2012-06-13Merge branch 'master' of ↵John W. Linville14-28/+115
git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless Conflicts: drivers/net/wireless/ath/ath9k/main.c net/bluetooth/hci_event.c
2012-06-13Merge branch 'for-upstream' of ↵John W. Linville38-1683/+2774
git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth-next
2012-06-13ath9k_hw: remove MCI_STATE_SET_BT_SLEEPRajkumar Manoharan3-5/+1
Signed-off-by: Rajkumar Manoharan <rmanohar@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-06-13ath9k_hw: remove MCI_STATE_CONT_* stateRajkumar Manoharan4-28/+10
Signed-off-by: Rajkumar Manoharan <rmanohar@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-06-13ath9k_hw: remove MCI_STATE_BTRajkumar Manoharan3-13/+6
remove MCI_STATE_BT and use bt_state instead. Signed-off-by: Rajkumar Manoharan <rmanohar@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-06-13ath9k_hw: remove p_data argument from ar9003_mci_stateRajkumar Manoharan4-32/+27
As p_data is unuse, lets remove it from ar9003_mci_state. Signed-off-by: Rajkumar Manoharan <rmanohar@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-06-13ath9k_hw: remove MCI_STATE_NEED_FLUSH_BT_INFORajkumar Manoharan2-18/+0
Signed-off-by: Rajkumar Manoharan <rmanohar@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-06-13ath9k_hw: remove MCI_STATE_SEND_WLAN_CHANNELSRajkumar Manoharan3-18/+11
Add a MCI util function to send wlan channel info to BT. Signed-off-by: Rajkumar Manoharan <rmanohar@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-06-13ath9k_hw: add utility function to set BT versionRajkumar Manoharan3-22/+16
Add a utility function to set bluetooth version and remove MCI_STATE_SET_BT_COEX_VERSION. Signed-off-by: Rajkumar Manoharan <rmanohar@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-06-13ath9k_hw: cleanup MCI gpm offset stateRajkumar Manoharan4-105/+110
Add utility functions to get and test GPM offset and remove MCI_STATE*_GPM_OFFSET states. Signed-off-by: Rajkumar Manoharan <rmanohar@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-06-13ath9k: Fix softlockup in AR9485Mohammed Shafi Shajakhan1-0/+8
steps to recreate: load latest ath9k driver with AR9485 stop the network-manager and wpa_supplicant bring the interface up Call Trace: [<ffffffffa0517490>] ? ath_hw_check+0xe0/0xe0 [ath9k] [<ffffffff812cd1e8>] __const_udelay+0x28/0x30 [<ffffffffa03bae7a>] ar9003_get_pll_sqsum_dvc+0x4a/0x80 [ath9k_hw] [<ffffffffa05174eb>] ath_hw_pll_work+0x5b/0xe0 [ath9k] [<ffffffff810744fe>] process_one_work+0x11e/0x470 [<ffffffff8107530f>] worker_thread+0x15f/0x360 [<ffffffff810751b0>] ? manage_workers+0x230/0x230 [<ffffffff81079af3>] kthread+0x93/0xa0 [<ffffffff815fd3a4>] kernel_thread_helper+0x4/0x10 [<ffffffff81079a60>] ? kthread_freezable_should_stop+0x70/0x70 [<ffffffff815fd3a0>] ? gs_change+0x13/0x13 ensure that the PLL-WAR for AR9485/AR9340 is executed only if the STA is associated (or) IBSS/AP mode had started beaconing. Ideally this WAR is needed to recover from some rare beacon stuck during stress testing. Before the STA is associated/IBSS had started beaconing, PLL4(0x1618c) always seem to have zero even though we had configured PLL3(0x16188) to query about PLL's locking status. When we keep on polling infinitely PLL4's 8th bit(ie check for PLL locking measurements is done), machine hangs due to softlockup. fixes https://bugzilla.redhat.com/show_bug.cgi?id=811142 Reported-by: Rolf Offermanns <rolf.offermanns@gmx.net> Cc: stable@vger.kernel.org Tested-by: Mohammed Shafi Shajakhan <mohammed@qca.qualcomm.com> Signed-off-by: Mohammed Shafi Shajakhan <mohammed@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-06-13ath9k: fix btcoex duty cycleRajkumar Manoharan1-7/+7
* Reset duty cycle before updating btcoex scheme. Otherwise duty cycle reaches max limit and never be reduced again * Adjust duty cycle with proper BDR profile value Signed-off-by: Rajkumar Manoharan <rmanohar@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-06-13ath9k: defer btcoex scheme updateRajkumar Manoharan3-3/+15
As btcoex scheme updation might sleep, remove the function call from tasklet context and queue it up as a separate work. Signed-off-by: Rajkumar Manoharan <rmanohar@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-06-13ath9k: keep btcoex period in millisecondsRajkumar Manoharan2-6/+5
btcoex periord is converted into micro seconds during initialization and converted back to milli seconds while starting timer. As MCI code handles btcoex period in msec, lets keep the btcoex timer in msec and convert them into other form whenever needed. Signed-off-by: Rajkumar Manoharan <rmanohar@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-06-13ath9k: simplify btcoex profile managementRajkumar Manoharan1-24/+24
This patch simplifies profile management utility functions. * Separate find_profile from add/del functions * Return correct values when the profile list is empty or profile is ot found * flush the profiles when there are entries in the list Signed-off-by: Rajkumar Manoharan <rmanohar@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-06-13ath9k_hw: process MCI interrupts only when btcoex is enabledRajkumar Manoharan1-2/+5
let us process MCI interrupts only when BTCOEX is enabled to avoid processing bogus interrupts. Signed-off-by: Rajkumar Manoharan <rmanohar@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-06-13ath9k_hw: program OBS register only when MCI is disabledRajkumar Manoharan1-1/+2
Signed-off-by: Rajkumar Manoharan <rmanohar@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-06-13ath9k_hw: fix incorrect LNA register settingsRajkumar Manoharan3-17/+11
After a full reset, mci_reset will put LNA update to the setting for 2G mode. Those registers need to be forced to update when the channel is in 5G. Signed-off-by: Rajkumar Manoharan <rmanohar@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-06-13ath9k_hw: check GPM HW write pointer before chip resetRajkumar Manoharan3-0/+22
Both "MAC Warm Reset" and "MCI Reset Rx" will reset GPM HW write_ptr. We should check software cached write_ptr against HW write_ptr before reset. Otherwise the pending DMA data will be lost. Signed-off-by: Rajkumar Manoharan <rmanohar@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-06-13ath9k_hw: Fix AR9462 power consumption on idle associatedRajkumar Manoharan3-2/+45
The HW statemachine is sometimes found stuck in the state WL_LNA_CTRL_DISABLE when BT is in sleep, which will cause TX_HOLD always asserted and resmgr stuck in PENDING_TX state Signed-off-by: Rajkumar Manoharan <rmanohar@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-06-13ath9k: restore power state on set channel failureRajkumar Manoharan1-0/+1
Not doing so, could cause imbalance in powersave count. Signed-off-by: Rajkumar Manoharan <rmanohar@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-06-13ath9k: choose legacy rate as last rate of MRR seriesRajkumar Manoharan1-9/+8
Choose legacy rate as the last rate of Multi Rate Retry series if and only if the last selected rate is MCS and having higher PER rate. The current code fills a legacy rate as last one even though the previous rates in the series are having good PER value. This could limit the aggregation that affects the uplink performance. Signed-off-by: Rajkumar Manoharan <rmanohar@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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