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2012-09-25NFC: xmit from hci ops must return 0 or negativeWaldemar Rymarkiewicz
xmit callback provided by a driver encapsulates upper layers data and sends it to the hardware. So, HCI does not know the exact amount of data being sent and thus can't handle partially sent frames properly. Therefore, the driver must return 0 for completely sent frame or negative for failure. Signed-off-by: Waldemar Rymarkiewicz <waldemar.rymarkiewicz@tieto.com> Acked-by: Eric Lapuyade <eric.lapuyade@intel.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-09-25NFC: Remove the pn544 raw driverCong Wang
This was scheduled for 3.6, we're late. Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com> Acked-by: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-09-25NFC: Move the pn544_hci dereference below the NULL testWei Yongjun
The dereference should be moved below the NULL test. spatch with a semantic match is used to found this. (http://coccinelle.lip6.fr/) Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-09-25NFC: Move the nfcwilink dereference below the NULL testWei Yongjun
spatch with a semantic match is used to found this. (http://coccinelle.lip6.fr/) Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-09-25NFC: Changed HCI and PN544 HCI driver to use the new HCI LLC CoreEric Lapuyade
The previous shdlc HCI driver and its header are removed from the tree. PN544 now registers directly with HCI and passes the name of the llc it requires (shdlc). HCI instantiation now allocates the required llc instance. The llc is started when the HCI device is brought up. Signed-off-by: Eric Lapuyade <eric.lapuyade@intel.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-09-25NFC: Modified hci_transceive to become an asynchronous operationEric Lapuyade
This enables the completion callback to be called from a different context, preventing a possible deadlock if the callback resulted in the invocation of a nested call to the currently locked nfc_dev. This is also more in line with the im_transceive nfc_ops for NFC Core or NCI drivers which already behave asynchronously. Signed-off-by: Eric Lapuyade <eric.lapuyade@intel.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-09-25NFC: Remove crc generation from shdlc layerWaldemar Rymarkiewicz
Checksum is specific for a chip spcification and it varies (in size and type) between different hardware. It should be handled in the driver then. Moreover, shdlc spec doesn't mention crc as a part of the frame. Update pn544_hci driver as well. Signed-off-by: Waldemar Rymarkiewicz <waldemar.rymarkiewicz@tieto.com> Acked-by: Eric Lapuyade <eric.lapuyade@intel.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-09-25NFC: Set the IRQF_ONESHOT flag from the pn544_hci IRQ handler requestSamuel Ortiz
As we don't have a primary handler but only a threaded one, __setup_irq() ends up failing if we don't set this flag. Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-09-25NFC: Don't use WQ_MEM_RECLAIM for pn533Tejun Heo
NFC driver doesn't sit in memory reclaim path and has no reason to use WQ_MEM_RECLAIM. Drop WQ_MEM_RECLAIM from pn533->wq and use alloc_ordered_workqueue() instead of WQ_UNBOUND w/ max_active == 1. Signed-off-by: Tejun Heo <tj@kernel.org> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-09-25NFC: Use module_platform_driver macro for nfcwilink.cSyam Sidhardhan
Simplify the code by make use of module_platform_driver macro. Signed-off-by: Syam Sidhardhan <s.syam@samsung.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-09-25NFC: Queue pn533 commandsSamuel Ortiz
Instead of returning EBUSY when getting a command while another one is running, we queue them. Upon completion of the pending command, the next one is processed. Besides the fact that it simplifies the pn533 locking scheme, it also comes with the nice side effect of fixing the following warning: [ 82.274297] ===================================== [ 82.274297] [ BUG: bad unlock balance detected! ] [ 82.274298] 3.5.0-rc1+ #1 Not tainted [ 82.274299] ------------------------------------- [ 82.274300] kworker/u:1/16 is trying to release lock (&dev->cmd_lock) at: [ 82.274305] [<ffffffff8144f246>] mutex_unlock+0x9/0xb [ 82.274305] but there are no more locks to release! [ 82.274306] [ 82.274306] other info that might help us debug this: [ 82.274306] 2 locks held by kworker/u:1/16: [ 82.274311] #0: (pn533){.+.+..}, at: [<ffffffff8103a67d>] +process_one_work+0x145/0x2e2 [ 82.274314] #1: ((&dev->cmd_work)){+.+...}, at: [<ffffffff8103a67d>] +process_one_work+0x145/0x2e2 [ 82.274314] [ 82.274314] stack backtrace: [ 82.274315] Pid: 16, comm: kworker/u:1 Not tainted 3.5.0-rc1+ #1 [ 82.274315] Call Trace: [ 82.274317] [<ffffffff8144f246>] ? mutex_unlock+0x9/0xb [ 82.274321] [<ffffffff81059841>] print_unlock_inbalance_bug+0xda/0xe4 [ 82.274323] [<ffffffff8105c74c>] lock_release_non_nested+0xb2/0x232 [ 82.274325] [<ffffffff8105a61e>] ? mark_held_locks+0x6d/0x95 [ 82.274326] [<ffffffff8144f246>] ? mutex_unlock+0x9/0xb [ 82.274328] [<ffffffff81451105>] ? _raw_spin_unlock_irqrestore+0x40/0x5c [ 82.274329] [<ffffffff8144f246>] ? mutex_unlock+0x9/0xb [ 82.274330] [<ffffffff8105ca42>] lock_release+0x176/0x1ac [ 82.274333] [<ffffffff8123de14>] ? pn533_send_complete+0xa8/0xa8 [ 82.274334] [<ffffffff8144f1d6>] __mutex_unlock_slowpath+0xb0/0x117 [ 82.274336] [<ffffffff8144f246>] mutex_unlock+0x9/0xb [ 82.274337] [<ffffffff8123de65>] pn533_wq_cmd_complete+0x51/0x55 [ 82.274338] [<ffffffff8103a6db>] process_one_work+0x1a3/0x2e2 [ 82.274340] [<ffffffff8103a67d>] ? process_one_work+0x145/0x2e2 [ 82.274341] [<ffffffff8103b119>] worker_thread+0xcf/0x153 [ 82.274343] [<ffffffff8103b04a>] ? manage_workers.isra.22+0x16b/0x16b [ 82.274344] [<ffffffff8103b04a>] ? manage_workers.isra.22+0x16b/0x16b [ 82.274346] [<ffffffff8103eb11>] kthread+0x95/0x9d [ 82.274348] [<ffffffff81452ef4>] kernel_thread_helper+0x4/0x10 [ 82.274351] [<ffffffff81046561>] ? finish_task_switch+0x45/0xc3 [ 82.274352] [<ffffffff814514f0>] ? retint_restore_args+0x13/0x13 [ 82.274353] [<ffffffff8103ea7c>] ? __init_kthread_worker+0x55/0x55 [ 82.274354] [<ffffffff81452ef0>] ? gs_change+0x13/0x13 Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-09-24ath5k: disable HW crypto in management frameChun-Yeow Yeoh
Hardware support for MFP is not available in ath5k. Thus, this implementation allows the mac80211 stack to do the actuall crypto operation. Signed-off-by: Chun-Yeow Yeoh <yeohchunyeow@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-09-24carl9170: connect to 11w protected networksChristian Lamparter
Previously, it was not possible to connect to networks which requires 11w to be supported by the stations. While the documentation hints that there's some hardware support for offloading MFP "decryption", this simple implementation relies on the mac80211 stack to do the actual crypto operations. Signed-off-by: Christian Lamparter <chunkeey@googlemail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-09-24p54: connect to 11w protected networksChristian Lamparter
Previously, it was not possible to connect to networks which requires 11w to be supported by the stations. Note: As all current (and old) firmwares corrupt incoming, protected management frames, the decryption offloading needs to be disabled. This will be done automatically if needed. Signed-off-by: Christian Lamparter <chunkeey@googlemail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-09-24iwlegacy: use eth_broadcast_addrJohannes Berg
Instead of copying from a constant array (which is still needed for other purposes) Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-09-24ipw2x00: silence GCC warning for unused variable 'dev'Paul Bolle
Building the libipw component without CONFIG_LIBIPW_DEBUG set triggers this GCC warning: drivers/net/wireless/ipw2x00/libipw_wx.c:526:21: warning: unused variable 'dev' [-Wunused-variable] The cause of this warning is that, without CONFIG_LIBIPW_DEBUG set, LIBIPW_DEBUG_WX compiles away. Fix it by substituting ieee->dev for (its equivalent) dev. Signed-off-by: Paul Bolle <pebolle@tiscali.nl> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-09-24bcma: handle BCM43227Rafał Miłecki
Signed-off-by: Rafał Miłecki <zajec5@gmail.com> Tested-by: Jack <x6719620@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-09-24mwifiex: block scan request during heavy Tx trafficAmitkumar Karwar
Currently scan operation is delayed/aborted based on Tx traffic consistency. This decision is taken after receiving scan response of first scan command from FW. But when heavy traffic is running, we can not even afford to send first scan command and go off channel for 30msec. We will block scan request in this case. Signed-off-by: Amitkumar Karwar <akarwar@marvell.com> Signed-off-by: Bing Zhao <bzhao@marvell.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-09-24mwifiex: disconnect the device before entering suspend stateAmitkumar Karwar
By default, device is disconnected before entering suspend state. User can keep the connection alive by using module parameter "disconect_on_suspend=0". Signed-off-by: Amitkumar Karwar <akarwar@marvell.com> Signed-off-by: Bing Zhao <bzhao@marvell.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-09-24brcmfmac: get rid of void pointer in struct brcmf_cfg80211_privArend van Spriel
Field 'pub' in struct brcmf_cfg80211_priv was types as void pointer and filled with parameter passed in brcmf_cfg80211_attach(). This patch makes the type specific, ie. struct brcmf_pub. Reviewed-by: Hante Meuleman <meuleman@broadcom.com> Signed-off-by: Arend van Spriel <arend@broadcom.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-09-24brcmfmac: change struct brcmf_cfg80211_priv comments to kernel-docArend van Spriel
Small step to fix structure commenting using kernel-doc syntax. Reviewed-by: Hante Meuleman <meuleman@broadcom.com> Signed-off-by: Arend van Spriel <arend@broadcom.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-09-24brcmfmac: clear control lock on usb error.Hante Meuleman
On a usb error the lock bit should be cleared. Reviewed-by: Arend Van Spriel <arend@broadcom.com> Signed-off-by: Hante Meuleman <meuleman@broadcom.com> Signed-off-by: Arend van Spriel <arend@broadcom.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-09-24brcmsmac: don't start device when RfKill is engagedPiotr Haber
This patch fixes a bug when device is being started while RfKill switch is engaged, leading to hang due to partial initialization of hardware. Tested-by: <dragonn@op.pl> Reviewed-by: Arend van Spriel <arend@broadcom.com> Reviewed-by: Hante Meuleman <meuleman@broadcom.com> Signed-off-by: Piotr Haber <phaber@broadcom.com> Signed-off-by: Arend van Spriel <arend@broadcom.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-09-24brcmfmac: remove unused usb bmac model code.Hante Meuleman
clean up code. Reviewed-by: Arend Van Spriel <arend@broadcom.com> Signed-off-by: Hante Meuleman <meuleman@broadcom.com> Signed-off-by: Arend van Spriel <arend@broadcom.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-09-24brcmfmac: fix bug in determining phy bands.Hante Meuleman
This patch fixes a bug in routine where phy bands are determined. Reviewed-by: Arend Van Spriel <arend@broadcom.com> Signed-off-by: Hante Meuleman <meuleman@broadcom.com> Signed-off-by: Arend van Spriel <arend@broadcom.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-09-24brcmfmac: remove unused function.Hante Meuleman
clean up code. Reviewed-by: Arend Van Spriel <arend@broadcom.com> Signed-off-by: Hante Meuleman <meuleman@broadcom.com> Signed-off-by: Arend van Spriel <arend@broadcom.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-09-24brcmfmac: streamline SDIO read frame routineFranky Lin
SDIO read non-glomming frame routine handles first frame and follow up frame read separately. But they share a lot of common code. This patch abstracts a brcmf_sdio_hdparser function and optimize the code flow for better readability and future optimization. Reviewed-by: Arend van Spriel <arend@broadcom.com> Reviewed-by: Hante Meuleman <meuleman@broadcom.com> Signed-off-by: Franky Lin <frankyl@broadcom.com> Signed-off-by: Arend van Spriel <arend@broadcom.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-09-24brcmfmac: store usb fw images in local linked list.Hante Meuleman
For suspend/resume it is necessary to store firmware in memory. In order to support multiple usb dongles at the same time a linked list of firmwares was created. Reviewed-by: Arend Van Spriel <arend@broadcom.com> Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com> Signed-off-by: Hante Meuleman <meuleman@broadcom.com> Signed-off-by: Arend van Spriel <arend@broadcom.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-09-24brcmfmac: fix debug printout of event data.Hante Meuleman
Some events result in printing of the buffer when debug is enabled. This printing was not very efficient. Changed to macro so it comes out nice and clean without filling log buffer. Reviewed-by: Arend Van Spriel <arend@broadcom.com> Signed-off-by: Hante Meuleman <meuleman@broadcom.com> Signed-off-by: Arend van Spriel <arend@broadcom.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-09-24brcmfmac: introduce scheduled scan supportArend van Spriel
This change add support for NL80211 scheduled scan. This may be used to offload scanning to the device, which may give the host opportunity to sleep. The newer versions of wpa_supplicant have support for this functionality. Reviewed-by: Franky (Zhenhui) Lin <frankyl@broadcom.com> Reviewed-by: Hante Meuleman <meuleman@broadcom.com> Signed-off-by: Arend van Spriel <arend@broadcom.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-09-24brcmfmac: extend brcmf_term_iscan() to abort e-scanArend van Spriel
With the introduction of E-Scan there are two scan mechanisms in the driver. I-Scan was aborted on suspend and bringing down the device using brcmf_term_iscan(). The function has been renamed to brcmf_abort_scanning() and covers e-scan abort as well. Reviewed-by: Franky (Zhenhui) Lin <frankyl@broadcom.com> Reviewed-by: Hante Meuleman <meuleman@broadcom.com> Signed-off-by: Arend van Spriel <arend@broadcom.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-09-24brcmfmac: fix sparse warnings in e-scan related codeArend van Spriel
With the introduction of e-scan mechanism in brcmfmac (e756af5 brcmfmac: add e-scan support.) a couple of sparse warnings were introduced. This patch resolves those. Reported-by: Fengguang Wu <fengguang.wu@intel.com> Reviewed-by: Franky (Zhenhui) Lin <frankyl@broadcom.com> Reviewed-by: Hante Meuleman <meuleman@broadcom.com> Signed-off-by: Arend van Spriel <arend@broadcom.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-09-24mwifiex: fix issue in resumed scan operationAmitkumar Karwar
When delayed scan operation is resumed, we just add next scan command in queue but don't wakeup main thread to process the command. Hence the command is downloaded to firmware only after waking up the main thread by any other means. This bug which was introduced after "mwifiex: improve scan delay logic.." patch is fixed here. Signed-off-by: Amitkumar Karwar <akarwar@marvell.com> Signed-off-by: Bing Zhao <bzhao@marvell.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-09-24rt2x00: Clean up RFCSR1 programming in rt2800_config_channel_rf3xxx.Gertjan van Wingerde
Setting of the individual fields of the RF register can be simplified. Signed-off-by: Gertjan van Wingerde <gwingerde@gmail.com> Acked-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-09-24rt2x00: Code style cleanup in rt2800lib.cGertjan van Wingerde
Signed-off-by: Gertjan van Wingerde <gwingerde@gmail.com> Acked-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-09-24rt2x00: rt2800lib - code cleanup.Gertjan van Wingerde
Move RT3290 BBP initialization sequence (part) to the right place in the code. This is just a code style change, no functional changes. Signed-off-by: Gertjan van Wingerde <gwingerde@gmail.com> Acked-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-09-24rt2x00: rt2800 - Fix default vgc values for RT3572Gertjan van Wingerde
Align with the values used by the RT3572 Ralink vendor driver v2.5.0.0. Signed-off-by: Gertjan van Wingerde <gwingerde@gmail.com> Acked-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-09-24rt2x00: Code clean up in rt2800lib.Gertjan van Wingerde
Make the code in rt2800_get_default_vgc more understandable and readable, especially for the 5GHz band values. Signed-off-by: Gertjan van Wingerde <gwingerde@gmail.com> Acked-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-09-24ath9k_hw: Enable WLAN RX diversity for AR9565Sujith Manoharan
Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-09-24ath9k: Add a module parameter to enable diversitySujith Manoharan
Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-09-24ath9k_hw: Add a HW callback to set diversitySujith Manoharan
This patch adds a new callback to handle WLAN RX diversity for AR9565. Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-09-24ath9k_hw: Update AR9565 initvalsSujith Manoharan
Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-09-24ath9k_hw: Add antenna diversity group for AR9565Sujith Manoharan
Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-09-24ath9k: Remove a couple of unused variablesSujith Manoharan
Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-09-24ath9k: Remove redundant variable assignmentSujith Manoharan
Set main_gaintb and alt_gaintb once instead of zero'ing them in every case. Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-09-24ath9k_hw: Use HW cap ATH9K_HW_CAP_ANT_DIV_COMBSujith Manoharan
Instead of trying to determine whether antenna diversity is enabled by parsing eeprom data, use ATH9K_HW_CAP_ANT_DIV_COMB which is already filled at init time. Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-09-24ath9k: update hw_timer_enabled to false when we stop generic timersMohammed Shafi Shajakhan
Update the 'hw_timer_enabled' to 'false' wherever we are stopping hardware generic timers, excecpt the case where we start them again immediately. Signed-off-by: Mohammed Shafi Shajakhan <mohammed@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-09-24brcmfmac: simplify handling e-scan result firmware eventArend van Spriel
Upon handling an e-scan result event from the firmware in brcmf_cfg80211_escan_handler() the status may indicate e-scan is completed or aborted. If so brcmf_notify_escan_complete() is called. However, that function and brcmf_cfg80211_escan_handler() both log the same debug message and both enable MPC flag in the firmware. Reviewed-by: Hante Meuleman <meuleman@broadcom.com> Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com> Signed-off-by: Arend van Spriel <arend@broadcom.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-09-24brcmfmac: add parameter check in brcmf_c_mkiovar()Arend van Spriel
This patch assures data is only appended in output buffer when data is not NULL and datalen is not zero. Reviewed-by: Hante Meuleman <meuleman@broadcom.com> Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com> Signed-off-by: Arend van Spriel <arend@broadcom.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-09-24brcmfmac: fix bug causing errorneous free on exception.Hante Meuleman
This patch fixes bug where driver frees resources twice when an exception occurs. Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com> Signed-off-by: Hante Meuleman <meuleman@broadcom.com> Signed-off-by: Arend van Spriel <arend@broadcom.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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