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2011-10-26mmc: core: add random fault injectionPer Forlin
This adds support to inject data errors after a completed host transfer. The mmc core will return error even though the host transfer is successful. This simple fault injection proved to be very useful to test the non-blocking error handling in the mmc_blk_issue_rw_rq(). Random faults can also test how the host driver handles pre_req() and post_req() in case of errors. Signed-off-by: Per Forlin <per.forlin@linaro.org> Acked-by: Akinobu Mita <akinobu.mita@gmail.com> Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Chris Ball <cjb@laptop.org>
2011-10-26fault-inject: export fault injection functionsPer Forlin
Export symbols should_fail() and fault_create_debugfs_attr() in order to let modules utilize the fault injection framework. Signed-off-by: Per Forlin <per.forlin@linaro.org> Acked-by: Akinobu Mita <akinobu.mita@gmail.com> Signed-off-by: Chris Ball <cjb@laptop.org>
2011-10-26mmc: sdhci-esdhc-imx: Enable ADMA2Richard Zhu
Eanble the ADMA2 mode for freescale esdhc imx driver, tested on MX25 3DS board, MX51 BBG board and MX53 LOCO board. This patch is only used to enable the ADMA2 for MX51/53 platforms. MX25/35 can't support the ADMA2 mode, set BROKEN_ADMA quirk on MX25/35 platforms. The ADMA mode supported or not can be distinguished by bit 20 of the Capability Register (offset 0x40) in the FSL eSDHC module. Signed-off-by: Richard Zhu <richard.zhu@linaro.org> Tested-and-acked-by: Eric Miao <eric.miao@linaro.org> Signed-off-by: Chris Ball <cjb@laptop.org>
2011-10-26mmc: at91_mci: remove the use of irq_to_gpioNicolas Ferre
Remove the use of irq_to_gpio() in the card detection interrupt handler. The information is available in the board structure and we can avoid using a function that has little meaning. Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com> Acked-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> Signed-off-by: Chris Ball <cjb@laptop.org>
2011-10-26mmc: atmel-mci: fix a potential issue about pending PDC interruptsLudovic Desroches
This patch fixes a potential issue about PDC interrupts. For example we have a ENDRX pending interrupt and a RXBUFF pending interrupt. We have received the RXBUFF interrupt but the transfer is not finished (so we didn't have time to give a new buffer to the PDC controller). Then we will compute ENDRX interrupt and we will give a new buffer to the PDC controller, just after we will compute the RXBUFF interrupt and give one or two new buffers to the PDC controller but we are not sure that the first buffer given has been filled. So in this situation we may have "lost" one sg buffer. It's the same for transmission. Signed-off-by: Ludovic Desroches <ludovic.desroches@atmel.com> Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com> Signed-off-by: Chris Ball <cjb@laptop.org>
2011-10-26mmc: atmel-mci: correct sg buffer size evaluationLudovic Desroches
Assuming that a sg buffer size is a page size is false so use sg_dma_len. A 4096 bytes can be required with two 2048-bytes sg buffer. Signed-off-by: Ludovic Desroches <ludovic.desroches@atmel.com> Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com> Signed-off-by: Chris Ball <cjb@laptop.org>
2011-10-26mmc: atmel-mci: use ATMEL_PDC_SCND_BUF_OFF instead of a literal valueLudovic Desroches
Signed-off-by: Ludovic Desroches <ludovic.desroches@atmel.com> Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com> Signed-off-by: Chris Ball <cjb@laptop.org>
2011-10-26mmc: atmel-mci: change atmci_start_command to atmci_send_commandLudovic Desroches
Rename atmci_start_command() to atmci_send_command() which is more appropriate; atmci_start_command suggests we're sending a start command. Signed-off-by: Ludovic Desroches <ludovic.desroches@atmel.com> Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com> Signed-off-by: Chris Ball <cjb@laptop.org>
2011-10-26mmc: atmel-mci: add pdc support and runtime capabilities detectionLudovic Desroches
Add pdc support for atmel-mci. It makes at91-mci driver useless because it was only used for the old atmel MCI core which has pdc but no dma support. To allow removing at91-mci, the capabilities of the MCI core are detected at runtime -- then the driver will use pio, pdc or dma transfers. Warning: at91rm9200 is not supported, to support it we need to use swab32 on data but I have no board to test it. Signed-off-by: Ludovic Desroches <ludovic.desroches@atmel.com> Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com> Signed-off-by: Chris Ball <cjb@laptop.org>
2011-10-26mmc: atmel-mci: indentationLudovic Desroches
Signed-off-by: Ludovic Desroches <ludovic.desroches@atmel.com> Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com> Signed-off-by: Chris Ball <cjb@laptop.org>
2011-10-26mmc: atmel-mci: change atmci_readl and atmci_writel macrosLudovic Desroches
Change atmci_readl and atmci_writel macros: remove string concatenation. We can use these macros with registers which are not prefixed by ATMCI_. This is the case if we want to write PDC registers which are common to several devices so they are not prefixed with ATMCI_. Signed-off-by: Ludovic Desroches <ludovic.desroches@atmel.com> Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com> Signed-off-by: Chris Ball <cjb@laptop.org>
2011-10-26mmc: atmel-mci: change namespaceLudovic Desroches
Homogenize namespace to atmci. Signed-off-by: Ludovic Desroches <ludovic.desroches@atmel.com> Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com> Signed-off-by: Chris Ball <cjb@laptop.org>
2011-10-17Merge branch 'master' of ↵John W. Linville
git://git.infradead.org/users/linville/wireless-next into for-davem
2011-10-16igbvf: convert to ndo_fix_featuresMichał Mirosław
Private rx_csum flags are now duplicate of netdev->features & NETIF_F_RXCSUM. Removing this needs deeper surgery. Things noticed: - HW VLAN acceleration probably can be toggled, but it's left as is - the resets on RX csum offload change can probably be avoided - there is A LOT of copy-and-pasted code here Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2011-10-16igb: enable l4 timestamping for v2 event packetsJacob Keller
When enabling hardware timestamping for ptp v2 event packets, the software does not setup the queue for l4 packets, although layer 4 packets are valid for v2. This patch adds the flag which enables setting up a queue and enabling udp packet timestamping. Signed-off-by: Jacob E Keller <jacob.e.keller@intel.com> Tested-by: Aaron Brown <aaron.f.brown@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2011-10-16ixgbe: Add new netdev op to turn spoof checking on or off per VFGreg Rose
Implements the new netdev op to allow user configuration of spoof checking on a per VF basis. V2 - Change netdev spoof check op setting to bool Signed-off-by: Greg Rose <gregory.v.rose@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2011-10-16if_link: Add additional parameter to IFLA_VF_INFO for spoof checkingGreg Rose
Add configuration setting for drivers to turn spoof checking on or off for discrete VFs. v2 - Fix indentation problem, wrap the ifla_vf_info structure in #ifdef __KERNEL__ to prevent user space from accessing and change function paramater for the spoof check setting netdev op from u8 to bool. v3 - Preset spoof check setting to -1 so that user space tools such as ip can detect that the driver didn't report a spoofcheck setting. Prevents incorrect display of spoof check settings for drivers that don't report it. Signed-off-by: Greg Rose <gregory.v.rose@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2011-10-16e1000e: locking bug introduced by commit 67fd4fcbBruce Allan
Commit 67fd4fcb (e1000e: convert to stats64) added the ability to update statistics more accurately and on-demand through the net_device_ops .ndo_get_stats64 hook, but introduced a locking bug on 82577/8/9 when linked at half-duplex (seen on kernels with CONFIG_DEBUG_ATOMIC_SLEEP=y and CONFIG_PROVE_LOCKING=y). The commit introduced code paths that caused a mutex to be locked in atomic contexts, e.g. an rcu_read_lock is held when irqbalance reads the stats from /sys/class/net/ethX/statistics causing the mutex to be locked to read the Phy half-duplex statistics registers. The mutex was originally introduced to prevent concurrent accesses of resources (the NVM and Phy) shared by the driver, firmware and hardware a few years back when there was an issue with the NVM getting corrupted. It was later split into two mutexes - one for the NVM and one for the Phy when it was determined the NVM, unlike the Phy, should not be protected by the software/firmware/hardware semaphore (arbitration of which is done in part with the SWFLAG bit in the EXTCNF_CTRL register). This latter semaphore should be sufficient to prevent resource contention of the Phy in the driver (i.e. the mutex for Phy accesses is not needed), but to be sure the mutex is replaced with an atomic bit flag which will warn if any contention is possible. Also add additional debug output to help determine when the sw/fw/hw semaphore is owned by the firmware or hardware. Signed-off-by: Bruce Allan <bruce.w.allan@intel.com> Reported-by: Francois Romieu <romieu@fr.zoreil.com> Tested-by: Jeff Pieper <jeffrey.e.pieper@intel.com>
2011-10-14libertas: fix changing interface type when interface is downDaniel Drake
The recent changes to only power the device when the interface up introduced a bug: changing interface type, legal when the interface is down, performs device I/O. Fix this functionality by validating and recording the interface type when the change is requested, but only applying the change if/when the interface is brought up. Signed-off-by: Daniel Drake <dsd@laptop.org> Acked-by: Dan Williams <dcbw@redhat.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-10-14mac80211: Provide station flags to cfg80211Helmut Schaa
Only station flags that are already defined in nl80211 are added for now. Signed-off-by: Helmut Schaa <helmut.schaa@googlemail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-10-14nl80211: Add sta_flags to the station infoHelmut Schaa
Reuse the already existing struct nl80211_sta_flag_update to specify both, a flag mask and the flag set itself. This means nl80211_sta_flag_update is now used for setting station flags and also for getting station flags. Signed-off-by: Helmut Schaa <helmut.schaa@googlemail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-10-14mac80211: fix TID for null poll responseJohannes Berg
The queue mapping/TID for non-QoS null data responses to is never set, making it default to BK. Fix that. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-10-14ath9k: Rename AR9480 into AR9462Rajkumar Manoharan
Renamed to be in sync with Marketing term and to avoid confusion with other chip names. Signed-off-by: Rajkumar Manoharan <rmanohar@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-10-14ath9k_hw: Rename AR9480 -> AR9462 initvalsRajkumar Manoharan
The AR946/8x chips are 2x2 Dual band with BT support. In order to avoid misleading with other chips and to be in sync with marketing team's term, AR9480 is renamed as AR9462. Signed-off-by: Rajkumar Manoharan <rmanohar@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-10-14ath9k_hw: Do fast channel change based on reusable calibration resultsRajkumar Manoharan
Support the fast channel change across band switch only when there are available of reusable cabliration results. And also observed that doing agc control calibration on fastcc, sometimes causing calibration timeout. Hence changing agc control to be run only on full chip reset. Signed-off-by: Rajkumar Manoharan <rmanohar@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-10-14ath9k_hw: Add radio retention support for AR9480Rajkumar Manoharan
Supported calibrations of radio retention table (RTT) are - DC offset - Filter - Peak detect Signed-off-by: Rajkumar Manoharan <rmanohar@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-10-14ath9k_hw: Update normal/min noise floor value for AR9480Rajkumar Manoharan
To improve sensitivity for AR9480, the normal and minimum noise floor values of both bands are updated. Signed-off-by: Rajkumar Manoharan <rmanohar@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-10-14ath9k_hw: Support fast channel change on 5GHz for AR9003 chipsRajkumar Manoharan
The commit "ath9k_hw: Improve fast channel change for AR9003 chips" fixes the fast channel change issue for AR9003 chips that was originally observed in AR9382 chip. Hence enabling fastcc support again for 11A channel for AR9003 chips. Cc: Paul Stewart <pstew@google.com> Signed-off-by: Rajkumar Manoharan <rmanohar@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-10-14ath9k_hw: Cleanup Tx calibrations for AR9003 chipsRajkumar Manoharan
Currently Tx IQ calibration is enabled by default for all AR9003 chips. But for AR9480, the calibration status should be read from chip after processing ini. And also the carrier leak calibration status is checked during init cal. As the init_cal is being called for fast channel change too, the tx_cl status only be read after full reset. Hence moving that into process ini function. Signed-off-by: Rajkumar Manoharan <rmanohar@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-10-14ath9k_hw: Add support to reuse Carrier leak calibrationRajkumar Manoharan
This patch adds support to reuse Carrier leak calibration during fast channel change for AR9480 chips. Signed-off-by: Rajkumar Manoharan <rmanohar@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-10-14ath9k_hw: Add support to reuse TxIQ cal measurementsRajkumar Manoharan
Pass an argument to decide whether to reuse the Tx IQ calibration measurements or not during fast channel change. This will be later used by MCI support for AR9480. Signed-off-by: Rajkumar Manoharan <rmanohar@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-10-14ath9k_hw: Improve fast channel change for AR9003 chipsRajkumar Manoharan
In order to reduce the overall scan time, fast channel change should be implemented properly. This patch adds fast channel change support across band switch or channel mode switch instead of doing full chip reset. During the fastcc, tx iqcal measurements are preserved and will be reloaded after successful the channel change. This patch also addressed fast channel issue where the STA can not see APs in higher than operating channel on 5GHz band after the association. Cc: Paul Stewart <pstew@google.com> Signed-off-by: Rajkumar Manoharan <rmanohar@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-10-14ath9k_hw: Updated AR9003 tx gain table for 5GHzRajkumar Manoharan
The 5G Tx gain table w/ XPA is updated to improve spur performance in high_power Tx gain table. Signed-off-by: Rajkumar Manoharan <rmanohar@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-10-14ath9k_hw: Update AR9003 initval to improve phase noiseRajkumar Manoharan
Signed-off-by: Rajkumar Manoharan <rmanohar@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-10-14ath9k_hw: Updated ar9003 initval table for AR9380Rajkumar Manoharan
The ar9003 table is updated to increase XLNA BIAS output driver strengh. Signed-off-by: Rajkumar Manoharan <rmanohar@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-10-14ath9k_hw: Fix ASPM L1 issue for AR9480Rajkumar Manoharan
Because of not clearing Bit 14 of AR_WA, the ASPM L1 is not enabled when entering into sleep mode. AR9480 does not need bit 14 to be set. Cc: stable@kernel.org Signed-off-by: Rajkumar Manoharan <rmanohar@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-10-14mwifiex: fix make namespacecheck warningsAmitkumar Karwar
This patch takes care of warnings found by running 'make namespacecheck': 1. Remove dead code. 2. Reorder function definitions to avoid forward declarations. 3. Remove unnecessary function/structure declarations and mark them as static. 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>
2011-10-14mwifiex: use separate wait condition for each command nodeAmitkumar Karwar
Currently global wait condition (adapter->cmd_wait_q.condition) is used while sending synchronous commands to FW. When two threads enter in mwifiex_send_cmd_sync() routine at the same time, both the threads wait for their command responses. Since wait condition is same for both, they wake up simultaneously after getting response of 1st command. After this when a thread is waiting for command response of 3rd command, it wakes up after getting response of 2nd command and so on. Therefore we don't wait for the response of last command(0xaa) during unload. Hence while next time loading the driver command time out is seen for INIT command. This problem is resolved by having separate wait condition flag for each command(except scan command). Since scan command is treated differently (by maintaining scan pending q etc.), newly defined flag (scan_wait_q_woken) is used as a scan wait condition. Signed-off-by: Amitkumar Karwar <akarwar@marvell.com> Signed-off-by: Yogesh Ashok Powar <yogeshp@marvell.com> Signed-off-by: Bing Zhao <bzhao@marvell.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-10-14b43: N-PHY: report signal to mac80211Rafał Miłecki
Signed-off-by: Rafał Miłecki <zajec5@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-10-14Revert "b43: trivial: do not report any link quality instead of invalid one"Rafał Miłecki
This reverts commit 55ad5962e97430c83d51df36fc18865ee4f78c48. I assumed N is newer than LP, which isn't true. This regressed LP case. Signed-off-by: Rafał Miłecki <zajec5@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-10-14net: wireless: brcm80210: include module.hStephen Rothwell
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-10-14brcm80211: removed file wifi.cAlwin Beukers
Wifi.c was empty after previous cleanups, so it was removed. Reviewed-by: Arend van Spriel <arend@broadcom.com> Signed-off-by: Arend van Spriel <arend@broadcom.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-10-14brcm80211: moved function brcmu_format_flagsAlwin Beukers
Moved the brcmu_format_flags function and brcmu_bit_desc structure into smac. Names were adjusted accordingly. Reported-by: Johannes Berg <johannes@sipsolutions.net> Reviewed-by: Roland Vossen <rvossen@broadcom.com> Reviewed-by: Arend van Spriel <arend@broadcom.com> Signed-off-by: Arend van Spriel <arend@broadcom.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-10-14brcm80211: moved function brcmu_mkiovarAlwin Beukers
Moved the brcmu_mkiovar function into fmac, adjusting the name accordingly. Reported-by: Johannes Berg <johannes@sipsolutions.net> Reviewed-by: Roland Vossen <rvossen@broadcom.com> Reviewed-by: Arend van Spriel <arend@broadcom.com> Signed-off-by: Arend van Spriel <arend@broadcom.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-10-14brcm80211: moved function brcmu_chspec_malformedAlwin Beukers
Moved brcmu_chspec_malformed into the only file using it. The function name was adjusted accordingly. Reported-by: Johannes Berg <johannes@sipsolutions.net> Reviewed-by: Roland Vossen <rvossen@broadcom.com> Reviewed-by: Arend van Spriel <arend@broadcom.com> Signed-off-by: Arend van Spriel <arend@broadcom.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-10-14brcm80211: moved function brcmu_parse_tlvsAlwin Beukers
Moved the brcmu_parse_tlvs function and brcmu_tlv structure into the only file using them. Names were adjusted accordingly. Reported-by: Johannes Berg <johannes@sipsolutions.net> Reviewed-by: Roland Vossen <rvossen@broadcom.com> Reviewed-by: Arend van Spriel <arend@broadcom.com> Signed-off-by: Arend van Spriel <arend@broadcom.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-10-14brcm80211: moved function brcmu_chipnameAlwin Beukers
Moved the brcmu_chipname function into the only file using it. The function name was adjusted accordingly. Reported-by: Johannes Berg <johannes@sipsolutions.net> Reviewed-by: Roland Vossen <rvossen@broadcom.com> Reviewed-by: Arend van Spriel <arend@broadcom.com> Signed-off-by: Arend van Spriel <arend@broadcom.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-10-14brcm80211: moved power conversion functionsAlwin Beukers
Moved brcmu_mw_to_qdbm and brcmu_qdbm_to_mw functions into the only file using them. Names were adjusted accordingly. Reported-by: Johannes Berg <johannes@sipsolutions.net> Reviewed-by: Roland Vossen <rvossen@broadcom.com> Reviewed-by: Arend van Spriel <arend@broadcom.com> Signed-off-by: Arend van Spriel <arend@broadcom.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-10-14brcm80211: removed unused functionsAlwin Beukers
Removed brcmu_bitcount, brcmu_mhz2channel, brcmu_chspec_ctlchan. Reported-by: Johannes Berg <johannes@sipsolutions.net> Reviewed-by: Roland Vossen <rvossen@broadcom.com> Reviewed-by: Arend van Spriel <arend@broadcom.com> Signed-off-by: Arend van Spriel <arend@broadcom.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-10-14brcm80211: fmac: fixed weird indentationRoland Vossen
And changed function name to something more appropriate. Reported-by: Johannes Berg <johannes@sipsolutions.net> Reviewed-by: Alwin Beukers <alwin@broadcom.com> Reviewed-by: Arend van Spriel <arend@broadcom.com> Signed-off-by: Arend van Spriel <arend@broadcom.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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