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* rndis_wlan: fix initialization order for workqueue&workersJussi Kivilinna2009-04-22
| | | | | | | | | | | | | rndis_wext_link_change() might be called from rndis_command() at initialization stage and priv->workqueue/priv->work have not been initialized yet. This causes invalid opcode at rndis_wext_bind on some brands of bcm4320. Fix by initializing workqueue/workers in rndis_wext_bind() before rndis_command is used. Signed-off-by: Jussi Kivilinna <jussi.kivilinna@mbnet.fi> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* rndis_wlan: make some symbols staticJohannes Berg2009-04-22
| | | | | | | | | | | | sparse complains, correctly, about these: drivers/net/wireless/rndis_wlan.c:418:21: warning: symbol 'rndis_config_ops' was not declared. Should it be static? drivers/net/wireless/rndis_wlan.c:423:6: warning: symbol 'rndis_wiphy_privid' was not declared. Should it be static? Fix that. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* mac80211: fix IBSS code to not sleep while atomicJohannes Berg2009-04-22
| | | | | | | | | | With the RCU locking here we sleep while in an atomic context, since we can sleep just use mutex locking for the interface list instead of RCU. Sorry, seems I didn't get that in my UML test. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* iwlwifi: allow config if device not readyMohamed Abbas2009-04-22
| | | | | | | | | Allow user to config the device all the time but only allow commiting these changes to card if the card is up and running. Signed-off-by: Mohamed Abbas <mohamed.abbas@intel.com> Signed-off-by: Reinette Chatre <reinette.chatre@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* iwlwifi: remove radio disable parameter.Abhijeet Kolekar2009-04-22
| | | | | | | | | | | | | | | Patch removes the "manual radio disable" parameter as there is no usage scenario of disabling radio using this module parameter. User can use iwconfig's txpower to enable and disable radio. This module parameter also does not work as expected. During module load the status of radio is set, the radio is not actually disabled. Even so, the moment mac80211 requests the interface to be up the radio will be enabled again. Signed-off-by: Abhijeet Kolekar <abhijeet.kolekar@intel.com> Signed-off-by: Reinette Chatre <reinette.chatre@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* iwlcore: Fix stay in table function.Mohamed Abbas2009-04-22
| | | | | | | | | Function rs_stay_in_table was flushing the rate scale table way to early. time_after macro in expecting long value and was failing because we passing u32 value. Signed-off-by: Mohamed Abbas <mohamed.abbas@intel.com> Signed-off-by: Reinette Chatre <reinette.chatre@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* iwlwifi: clean up unused NL80211_IFTYPE_MONITOR for Monitor modeWey-Yi Guy2009-04-22
| | | | | | | | | | | | | | | This patch clean up the code for NL80211_IFTYPE_MONITOR mode, priv->iw_mode is set in add_interface, but add_interface is never called for monitor mode. The only way mac80211 informs us about monitor mode is through configuring filter; since iw_mode will never set to NL80211_IFTYPE_MONITOR, modify and remove all the code refer to NL80211_IFTYPE_MONITOR and replace with iwl_is_monitor_mode() function call. Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com> Signed-off-by: Reinette Chatre <reinette.chatre@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* iwl3945: calculate debugfs isr statisticsAbhijeet Kolekar2009-04-22
| | | | | | | | This patch calculates interrupt statistics for debugfs. Signed-off-by: Abhijeet Kolekar <abhijeet.kolekar@intel.com> Signed-off-by: Reinette Chatre <reinette.chatre@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* iwl3945: add debugfs to 3945Abhijeet Kolekar2009-04-22
| | | | | | | | | Patch adds debugfs to 3945. Also fix debugfs registration in iwlagn to return error code if it fails. Signed-off-by: Abhijeet Kolekar <abhijeet.kolekar@intel.com> Signed-off-by: Reinette Chatre <reinette.chatre@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* iwlwifi: support truly passive scanningJohannes Berg2009-04-22
| | | | | | | | | | | If passive scanning is requested we should not ask the microcode to do active scanning after detecting traffic on a channel -- that should only be used when an active scan is requested but some channels are marked passive. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: Reinette Chatre <reinette.chatre@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* iwlwifi: improve scan supportJohannes Berg2009-04-22
| | | | | | | | | | | | This modifies iwlwifi to * no longer build its own probe request, but use mac80211's * therefore, support arbitrary scan IEs (up to the max len) * support multiple scan SSIDs * support passive scanning Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: Reinette Chatre <reinette.chatre@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* iwlwifi: rename PROBE_OPTION_MAX_API1 to PROBE_OPTION_MAX_3945Johannes Berg2009-04-22
| | | | | | | | | This limit applies to current (APIv1 and APIv2) 3945 firmware only, not supported firmware of any of the other cards. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: Reinette Chatre <reinette.chatre@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* ar9170: rework rxstream codeChristian Lamparter2009-04-22
| | | | | | | | | | | With this patch ar9170 is capable of receiving aggregated 802.11n frames and sniffing on most networks without having a "debug message overhead". (Includes phy initialization requested by Johannes Berg <johannes@sipsolutions.net> -- JWL) Signed-off-by: Christian Lamparter <chunkeey@web.de> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* mac80211: validate TIM IE length (redux)Johannes Berg2009-04-22
| | | | | | | | | | | | | | | | | | | The TIM IE must not be shorter than 4 bytes, so verify that when parsing it and use the proper type. To ease that adjust struct ieee80211_tim_ie to have a virtual bitmap of size at least 1. Also check that the TIM IE is actually present before trying to parse it! Because other people may need the function, make it a static inline in ieee80211.h. (The original "mac80211: validate TIM IE length" was a minimal fix for 2.6.30. This purports to be the full, correct fix. -- JWL) Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* cfg80211: mark all WEXT handlers _GPLJohannes Berg2009-04-22
| | | | | | | | | | | | The fact that these are exported is a technical detail of the conversion period -- we don't want anybody to start relying on these. Ultimately we want things to use cfg80211 only, and once everything that is in wext is converted to cfg80211 drivers will not need to touch wext _at all_. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* cfg80211: clear WEXT SSID when clearing IBSSJohannes Berg2009-04-22
| | | | | | | | | | When we leave an IBSS, we should clear the SSID and not just the BSSID, but since WEXT allows configuring while the interface is down we must not clear it when leaving due to taking the iface down, so some complications are needed. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* nl80211: Add set/get for frag/rts threshold and retry limitsJouni Malinen2009-04-22
| | | | | | | | | | | | | | | | Add new nl80211 attributes that can be used with NL80211_CMD_SET_WIPHY and NL80211_CMD_GET_WIPHY to manage fragmentation/RTS threshold and retry limits. Since these values are stored in struct wiphy, remove the local copy from mac80211 where feasible (frag & rts threshold). The retry limits are currently needed in struct ieee80211_conf, but these could be eventually removed since the driver should have access to the values in struct wiphy. Signed-off-by: Jouni Malinen <j@w1.fi> Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* ar9170: support HT receive and channel configJohannes Berg2009-04-22
| | | | | | | | | | | | | | | | | This patch adds support for configuring HT40 channels and receiving HT40 to ar9170. Receiving aggregation doesn't seem to work right now, so it's not enabled. Same goes for TX aggregation, but that probably needs even more work. With this, I can receive roughly 33 Mbits/sec. The HT capabilities are a little odd, I tried following otus here -- in particular having SGI_40 but not SGI_20 is a little weird but afaict that's what otus does. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* rndis_wlan: remove nickname supportJohannes Berg2009-04-22
| | | | | | | | | | Supporting wireless extension nickname is pointless and no other modern driver supports this, so remove it. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Acked-by: Jussi Kivilinna <jussi.kivilinna@mbnet.fi> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* cfg80211: clean up includesJohannes Berg2009-04-22
| | | | | | | | | | | | | | | | | | | | | | | Trying to separate header files into net/wireless.h and net/cfg80211.h has been a source of confusion. Remove net/wireless.h (because there also is the linux/wireless.h) and subsume everything into net/cfg80211.h -- except the definitions for regulatory structures which get moved to a new header net/regulatory.h. The "new" net/cfg80211.h is now divided into sections. There are no real changes in this patch but code shuffling and some very minor documentation fixes. I have also, to make things reflect reality, put in a copyright line for Luis to net/regulatory.h since that is probably exclusively written by him but was formerly in a file that only had my copyright line. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Cc: Luis R. Rodriguez <lrodriguez@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* mac80211: convert to cfg80211 IBSS APIJohannes Berg2009-04-22
| | | | | | | | This converts mac80211 to the new cfg80211 IBSS API, the wext handling functions are called where appropriate. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* cfg80211/nl80211: add IBSS APIJohannes Berg2009-04-22
| | | | | | | | | | | | | | | | | | | | | | | This adds IBSS API along with (preliminary) wext handlers. The wext handlers can only do IBSS so you need to call them from your own wext handlers if the mode is IBSS. The nl80211 API requires * an SSID * a channel (frequency) for the case that a new IBSS has to be created It optionally supports * a flag to fix the channel * a fixed BSSID The cfg80211 code also takes care to leave the IBSS before the netdev is set down. If wireless extensions are used, it also caches values when the interface is down and instructs the driver to join when the interface is set up. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* cfg80211/mac80211: move wext SIWMLME into cfg80211Johannes Berg2009-04-22
| | | | | | | | Since we have ->deauth and ->disassoc we can support the wext SIWMLME call directly without driver wext handlers. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* nl80211: send wiphy along with netdevJohannes Berg2009-04-22
| | | | | | | | | | When listing all wireless netdevs in the system this is useful to print which wiphy they belong to. Just add the attribute, any program that doesn't care will just ignore it. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* mac80211: set CLEAR_PS for pspolled framesChristian Lamparter2009-04-22
| | | | | | | | | | This patch sets IEEE80211_TX_CTL_CLEAR_PS_FILT for outgoing frames for a half-wake station. this is necessary if one wants to get ps-poll working properly with a p54 ap. Signed-off-by: Christian Lamparter <chunkeey@web.de> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* p54: fix ps-poll delivery in ap modeChristian Lamparter2009-04-22
| | | | | | | | PS-Polled frames must be sent with OUT_NOCANCEL flag set, or the firmware will reject all of them, at the station is still blacklisted. Signed-off-by: Christian Lamparter <chunkeey@web.de> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* rtl8187: Implement TX/RX blink for LEDLarry Finger2009-04-22
| | | | | | | | | | | | | | | | The following patch implements some control over the LED on RTL8187B and RTL8187L devices. Triggers are registered for TX and RX. Whenever the trigger event occurs, the LED is turned off for 1/20 second, then turned back on. Note: For those RTL8187X devices that are built into the computer and have a LED that is expected to be controlled with a radio switch, this patch will not operate that LED. That will take a separate patch to be prepared later. Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net> Signed-off-by: Herton Ronaldo Krzesinski <herton@mandriva.com.br> Tested-by: Hin-Tak Leung <htl10@users.sourceforge.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* mac80211: Allow scan to be requested in AP modeJouni Malinen2009-04-22
| | | | | | | | | | | | | | We can allow scan requests in AP mode as long as the interface has not yet been configured to send out Beacon frames (or if beaconing has been disabled prior to the scan request). This makes it easier to scan for neighboring BSSes during AP initialization and makes it possible to run a scan without setting the interface down, if needed. Without this change, the only available option would be to set the interface down, move into station mode, and set the interface up, prior to requesting the scan. Signed-off-by: Jouni Malinen <jouni.malinen@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* mac80211: document powersaving/beacon filter futureJohannes Berg2009-04-22
| | | | | | | | | | Document what mac80211 will do in the future to help save power. We're not quite there yet, but a plan helps. Also, while at it, fix the docs wrt. multicast traffic. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Reviewed-by: Kalle Valo <kalle.valo@iki.fi> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* mac80211: enable PS by defaultJohannes Berg2009-04-22
| | | | | | | | | | | | | Enable PS by default (depending on Kconfig) -- rely on drivers to control the level using pm_qos. Due to the previous patch we turn off PS when necessary due to latency requirements. This has a Kconfig symbol so people can, if they really want, configure the default in their kernels. We may want to keep it at "default y" only in wireless-testing for a while. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* mac80211: implement beacon filtering in softwareJohannes Berg2009-04-22
| | | | | | | | | | | | | | | | | | | | | | | | | | | Regardless of whether the hardware implements beacon filtering, there's no need to process all beacons in software all the time throughout the stack (mac80211 does a lot, then cfg80211, then in the future possibly userspace). This patch implements the "best possible" beacon filtering in mac80211. "Best possible" means that it can look for changes in all requested information elements, and distinguish vendor IEs by their OUI. In the future, we will add nl80211 API for userspace to request information elements and vendor IE OUIs to watch -- drivers can then implement the best they can do while software implements it fully. It is unclear whether or not this actually saves CPU time, but the data is all in the cache already so it should be fairly cheap. The additional _testing_, however, has great benefit; Without this, and on hardware that doesn't implement beacon filtering, wrong assumptions about, for example, scan result updates could quickly creep into code. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* mac80211: disable powersave if pm_qos asks for low latencyJohannes Berg2009-04-22
| | | | | | | | | | When an application asks for a latency lower than the beacon interval there's nothing we can do -- we need to stay awake and not have the AP buffer frames for us. Add code to automatically calculate this constraint in mac80211 so drivers need not concern themselves with it. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* mac80211: improve powersave implementationJohannes Berg2009-04-22
| | | | | | | | | | | | | | | | | | | | | | When you have multiple virtual interfaces the current implementation requires setting them up properly from userspace, which is undesirable when we want to default to power save mode. Keep track of powersave requested from userspace per managed mode interface, and only enable powersave globally when exactly one managed mode interface is active and has powersave turned on. Second, only start the dynPS timer when PS is turned on, and properly turn it off when PS is turned off. Third, fix the scan_sdata abuse in the dynps code. Finally, also reorder the code and refactor the code that enables PS or the dynps timer instead of having it copied in two places. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* Add support for CF8381 WiFi card.Marek Vasut2009-04-22
| | | | | | | | A detection function was added for identifying CF8381. Signed-off-by: Marek Vasut <marek.vasut@gmail.com> Acked-by: Dan Williams <dcbw@redhat.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* p54: deactivate broken powersave function (part 2)Christian Lamparter2009-04-22
| | | | | | | | | | | | | This patch deactivates powersave in station mode. It does not work correctly yet, so the code does more harm than good. (I split the original patch and sent part of it for 2.6.30, which didn't have the IEEE80211_HW_BEACON_FILTER flag. -- JWL) Reported-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: Christian Lamparter <chunkeey@web.de> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* atheros: fix propagation of bad EEPROM on regulatory initLuis R. Rodriguez2009-04-22
| | | | | | | | | | | | | | | | | When the EEPROM is not in good condition we cannot continue so we currently bail out but only ath5k is bailing out properly. Both ath9k and ar9170 were proceeding and if a user were to run into this they'd see an obscure panic. Lets propagate the error as intended and make sure we inform the user by lifting the error message from debug to a kernel error. Stable note: You can find a port of this page here: http://bombadil.infradead.org/~mcgrof/patches/ath9k/ath9k-fix-eeprom.patch.txt Cc: stable@kernel.org Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* ath5k: manipulate rxlink and descriptor address under rxbuf lockBob Copeland2009-04-22
| | | | | | | | | | | | | | Grabbing an ath5k_buf then dropping the lock is racy because the referenced descriptor can be obtained in another thread and released before the buffer is handed to the hardware. Likewise, manipulating sc->rxlink without the lock can lead to having multiple self-linked hardware descriptors. Changes-licensed-under: 3-Clause-BSD Signed-off-by: Bob Copeland <me@bobcopeland.com> Acked-by: Nick Kossifidis <mickflemm@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* ath5k: use rx hw descriptor pointer for self-linked checkBob Copeland2009-04-22
| | | | | | | | | | | This patch simplifies the code used to detect when the self-linked DMA buffer is still in use by hardware, by checking the hardware's rxdp register instead of looking at the software buffer list. Signed-off-by: Bob Copeland <me@bobcopeland.com> Acked-by: Nick Kossifidis <mickflemm@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* ath5k: use bool for modparamsBob Copeland2009-04-22
| | | | | | | | | | Current code uses int types, but both modparams are boolean values. Changes-licensed-under: 3-Clause-BSD Signed-off-by: Bob Copeland <me@bobcopeland.com> Acked-by: Nick Kossifidis <mickflemm@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* ath5k: use tasklet_hi_schedule for beacon queueBob Copeland2009-04-22
| | | | | | | | | | | | For embedded platforms, beacon transmission can be starved when flooded with data packets. Prioritize beacons by giving the beacon queue the first shot when the isr completes. Changes-licensed-under: 3-Clause-BSD Signed-off-by: Bob Copeland <me@bobcopeland.com> Acked-by: Nick Kossifidis <mickflemm@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* ath5k: fix initvals errorsBob Copeland2009-04-22
| | | | | | | | | | | | This patch corrects a few errors in the initvals tables to match those in the HAL tables. Namely, remove a couple of repetitions, fix some turbo mode errors, and correct a register for the CCK rate power table. Changes-licensed-under: ISC Signed-off-by: Bob Copeland <me@bobcopeland.com> Acked-by: Nick Kossifidis <mickflemm@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* p54: remove module_ stubsChristian Lamparter2009-04-22
| | | | | | | Christoph Hellwig pointed out that these stubs are unnecessary. Signed-off-by: Christian Lamparter <chunkeey@web.de> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* ath9k: Disable autosleep feature for AR9285 based chipsets.Vivek Natarajan2009-04-22
| | | | | Signed-off-by: Vivek Natarajan <vnatarajan@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* mac80211: add hardware restart functionJohannes Berg2009-04-22
| | | | | | | | | | | | | | | Some hardware defects may require the hardware to be re-initialised completely from scratch. Drivers would need much information (for instance the current MAC address, crypto keys, beaconing information, etc.) stored duplicated from mac80211 to be able to do this, so let mac80211 help them. The new ieee80211_restart_hw() function requires the same code as resuming, so move that code into a new ieee80211_reconfig() function in util.c and leave only the suspend code in pm.c. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* ath: add module informationChristian Lamparter2009-04-22
| | | | | | | This patch adds licensing, author information and a description to the module. Signed-off-by: Christian Lamparter <chunkeey@web.de> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* rtl8187: Remove the "8187B chip detected" message when probing RTL8187B cardsGábor Stefanik2009-04-22
| | | | | | | | | | This message appears to be nothing more than a leftover of the experimental-8187B era. Also, we print the HW type in the hwaddr line, making this message reduntant. And it's definitely not important enough to be a KERN_WARNING. Signed-off-by: Gábor Stefanik <netrolller.3d@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* ath9k: Remove CHANNEL_CW_INT handling in ath9k_hw_calibrateSujith2009-04-22
| | | | | | | It is already handled properly in ath9k_hw_getnf. Signed-off-by: Sujith <Sujith.Manoharan@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* ath9k: Fix bug in calibration initializationSujith2009-04-22
| | | | | | | | | | This patch fixes a bug in ath9k_hw_init_cal() where the wrong calibration was being done for non-AR9285 chipsets. Also add a few helpful comments. Cc: stable@kernel.org Signed-off-by: Sujith <Sujith.Manoharan@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* ath9k: Use a consistent naming conventionSujith2009-04-22
| | | | | | | This patch replaces old 'hal_' prefixes with 'ath9k_'. Signed-off-by: Sujith <Sujith.Manoharan@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* ath9k: Cleanup calibration interfaceSujith2009-04-22
| | | | | | | | | | This patch cleans up the functions dealing with calibration, using proper return values. ath9k_hw_per_calibration(), ath9k_hw_calibrate now return bool values instead of setting error values in the function arguments. Signed-off-by: Sujith <Sujith.Manoharan@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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