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* iwlwifi: remove effectless assignmentEmmanuel Grumbach2012-11-21
| | | | | Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* iwlwifi: Remove duplicate inclusion of iwl-trans.h in pcie/drv.cSachin Kamat2012-11-19
| | | | | | | iwl-trans.h was included twice. Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* iwlwifi: update the RB_TIMEOUT to 0x11Emmanuel Grumbach2012-11-19
| | | | | | | | This will allow to reduce slightly the number of interrupts without sacrificing too much the latency in the Rx path. Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* iwlwifi: make iwl_pcie_rxq_inc_wr_ptr staticEmmanuel Grumbach2012-11-19
| | | | | | | It is not used outside pcie/rx.c. Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* iwlwifi: more cleanup in pcie/rx.cEmmanuel Grumbach2012-11-19
| | | | | | | Really trivial clean up. Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* iwlwifi: make iwl_queue_used return boolEmmanuel Grumbach2012-11-19
| | | | | | | Also, prefer the if(!X) notation over if(X == 0). Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* iwlwifi: disallow MFP with software cryptoJohannes Berg2012-11-19
| | | | | | | | | | | When software crypto is enabled, it isn't safe to enable MFP since the firmware interprets some management packets, and with MFP it would do so without proper validation. Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Reviewed-by: Assaf Krauss <assaf.krauss@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* iwlwifi: merge 2 functions in reclaim flowEmmanuel Grumbach2012-11-19
| | | | | | | One one just a wrapper of the second, squash them. Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* iwlwifi: continue clean up - pcie/tx.cEmmanuel Grumbach2012-11-19
| | | | | | | | | | | Rename static functions. Function moved from trans.c to tx.c. A few could be made static, others had to be exported. Functions that implement the transport API are prefixed by iwl_trans_pcie_, the others by iwl_pcie_. Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* iwlwifi: continue clean up - pcie/trans.cEmmanuel Grumbach2012-11-19
| | | | | | | | Functions that implement the transport API are prefixed by iwl_trans_pcie_, the others by iwl_pcie_. Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* iwlwifi: continue clean up - pcie/rx.cEmmanuel Grumbach2012-11-19
| | | | | | | | | | Rename static functions. Function moved from trans.c to rx.c. A few could be made static, others had to be exported. Also, don't use rxb or rxbuf, but rb which stands for receive buffer. Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* iwlwifi: init the replenish work in rx_initEmmanuel Grumbach2012-11-19
| | | | | | | This is its natural place Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* iwlwifi: rename functions in transport layerEmmanuel Grumbach2012-11-19
| | | | | | | | | | | | | | | | | | | | | | | | | | | 1) s/tx_queue/txq for the sake of consistency. 2) s/rx_queue/rxq for the sake of consistency. 3) Make all functions begin with iwl_pcie_ iwl_queue_init and iwl_queue_space are an exception since they are not PCIE specific although they are in pcie subdir. 4) s/trans_pcie_get_cmd_string/get_cmd_string it is much shorter and used in debug prints which are long lines. 5) s/iwl_bg_rx_replenish/iwl_pcie_rx_replenish_work this better emphasizes that it is a work 6) remove invalid kernelDOC markers pcie/tx.c and pcie/trans.c still needs to be cleaned up. Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* iwlwifi: add comments for the PCIe transport statusesEmmanuel Grumbach2012-11-19
| | | | | Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* iwlwifi: don't enable interrupt as a W/A when MSI is enabledEmmanuel Grumbach2012-11-14
| | | | | | | | This is not needed, the comment there was wrong, it is only needed when MSI was *not* enabled. Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* iwlwifi: don't warn if transport's allocation failedEmmanuel Grumbach2012-11-14
| | | | | | | The allocation failure will already be very verbose. Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* iwlwifi: return commands with error on FW errorJohannes Berg2012-11-09
| | | | | | | | | | | | When a firmware error occurs, don't just abort synchronous commands but also return an error (-EIO) and block any new commands as well. Currently, an error is only returned if WANT_SKB was set which is confusing and can lead to issues. Blocking is done until a new firmware image is loaded. Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* iwlwifi: fix typo in RX data tracingJohannes Berg2012-11-07
| | | | | | | The printk message should say RX, not TX. Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* iwlwifi: remove useless messagesJohannes Berg2012-11-07
| | | | | | | | | There's no need to print the PCI resource length and base address, nor the hardware revision ID (which can be found in lspci) Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* iwlwifi: remove SKU/antenna messages by defaultJohannes Berg2012-11-07
| | | | | | | | | There's no reason to print these all the time, the messages aren't all that interesting. Leave them as DEBUG_INFO though, just in case. Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* iwlwifi: remove EEPROM version message by defaultJohannes Berg2012-11-07
| | | | | | | | | | If the EEPROM reading was successful, don't print a message by default, the EEPROM version isn't all that interesting. Change the message to DEBUG_INFO priority so it can still be obtained. Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* iwlwifi: zero trans_cfg before settings its fieldsEmmanuel Grumbach2012-11-05
| | | | | | | | People tend not to set the fields they want to leave as 0. So make sure the struct is zeroed properly. Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* iwlwifi: check the SCD conf from ALIVE responseEmmanuel Grumbach2012-11-05
| | | | | | | | | | | | | The ALIVE response of new fw inclues the base address of the SCD in SRAM. Until we read it from a prph register, which was set by the fw. Since the fw might well stop updating the prph register, add a WARN when there is an inconsitency between the ALIVE response and the register to catch any change in the behavior. Reviewed-by: Gregory Greenman <gregory.greenman@intel.com> Reviewed-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* iwlwifi: use list_first_entryJohannes Berg2012-11-05
| | | | | | | | Instead of open-coding it with a temporary list_head pointer, just use list_first_entry. Reviewed-by: Gregory Greenman <gregory.greenman@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* iwlwifi: fix queue flush confusionJohannes Berg2012-11-05
| | | | | | | | | | | | | | The flush_control parameter to iwlagn_txfifo_flush is passed as an internal value (context flags) and then sent to the device, that can't be right. Fix the confusion by removing the parameter, always use IWL_DROP_ALL that is redefined according to the firmware API in the flush control. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* iwlwifi: don't clear CTL_AMPDU on frame statusJohannes Berg2012-11-05
| | | | | | | | | | | | There's no reason to clear the CTL_AMPDU flag on transmitted frame status, it's not used by the driver here and mac80211 only uses it for some rate statistics. Also remove a stray space in the function. Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* iwlwifi: fix flush commandJohannes Berg2012-11-05
| | | | | | | | | | The flush command really flushes queues, not FIFOs, and the first 32 bits indicate the queues to flush, not FIFOs. Change the command accordingly. Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* iwlwifi: don't call stop_device twiceEmmanuel Grumbach2012-10-31
| | | | | | | When we unregister from mac80211 it will down the device anyway. Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* iwlwifi: handle RFKILL logic in the transport layerEmmanuel Grumbach2012-10-31
| | | | | | | | | | | | | | | | | | | | No HCMD can be sent while RFKILL is asserted. If a SYNC command is running while RFKILL is asserted the fw will silently discard it. This means that the driver needs to wake the process that sleeps on the CMD_SYNC. Since the RFKILL interrupt is handled in the transport layer and the code that sleeps in CMD_SYNC is also in the transport layer, all this logic can be handled there. This simplifies the work of the op_mode. So the transport layer will now return -ERFKILL when a CMD is sent and RFKILL is asserted. This will be the case even when the CMD is SYNC. The transport layer will return -ERFKILL straight away. Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* iwlwifi: clarify NOCOPY/DUP documentationJohannes Berg2012-10-29
| | | | | | | | | | Clarify the documentation to indicate that these flags can only be used at the end, i.e. after them a copy TFD (no flags set) is invalid. Reported-by: Inbal Hacohen <inbal.hacohen@intel.com> Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* iwlwifi: support host command with copied dataJohannes Berg2012-10-29
| | | | | | | | | | | | | In addition to the NOCOPY flag, add a DUP flag that tells the transport to kmemdup() the buffer and free it after the command completes. Currently this is only supported for a single buffer in a given command, but that could be extended if it should be needed. Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* iwlwifi: remove MFP Kconfig optionAssaf Krauss2012-10-23
| | | | | | | | | | Remove the Kconfig option CONFIG_IWLWIFI_EXPERIMENTAL_MFP, if the firmware doesn't support MFP then the user shouldn't have the option to enable it as it won't work correctly. Signed-off-by: Assaf Krauss <assaf.krauss@intel.com> Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* iwlwifi: don't leak Tx skb when a queue is disabledEmmanuel Grumbach2012-10-23
| | | | | | | | Since the queue might not be empty, we need to free the pending Tx packets. Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* iwlwifi: don't WARN when a non empty queue is disabledEmmanuel Grumbach2012-10-16
| | | | | | | This can happen when we shut down suddenly an interface. Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* iwlwifi: don't print the Intel banner twiceEmmanuel Grumbach2012-10-16
| | | | | | | | Once in bus enumeration is enough, no need to print it again when the op_mode loads. Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* iwlwifi: first deactivate a queue, then wipe out its dataEmmanuel Grumbach2012-10-16
| | | | | | | | Doing the opposite is wrong, the SCD wouldn't like someone to clear its data while the queue is still active. Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* iwlwifi: use the new macro for the SCD Q STTS bitsEmmanuel Grumbach2012-10-16
| | | | | | | | Instead of hardcoding the expression, use the macro provided in the previous patch. Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* iwlwifi: wipe out the status of the SCD when we disable a queueEmmanuel Grumbach2012-10-16
| | | | | | | | | | | | When we disable a queue, we don't want the SCD to remember anything about this queue (what packet was transmitted but not acked, what packed was acked etc...). Wipe out all this data in its SRAM. Constify the arguments to iwl_write_targ_mem_dwords on the way. Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* iwlwifi: remove unused variablesJohannes Berg2012-10-16
| | | | | | | Remove a number of variables that are assigned, but not used. Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* iwlwifi: make data frame tracing optionalJohannes Berg2012-10-16
| | | | | | | | | | | | | | | | | | | When tracing in iwlwifi, we get all data. Most of the time, we don't need it, and it just takes up a lot of extra space in the trace. Make this optional by recording the data into two separate trace events if it is needed. Without it, record only the content of non-data and EAPOL TX frames. As a result, tracing without the data tracepoints will record meta information including the 802.11 headers for all frames but will not record the contents of data frames to reduce trace overhead. Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* iwlwifi: improve oversized command warningJohannes Berg2012-10-16
| | | | | | | | | | When warning about a command that is too large, print out the command name/ID to help figure out which place is attempting to send a command that is too large. Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* Linux 3.7-rc1Linus Torvalds2012-10-14
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* Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linusLinus Torvalds2012-10-14
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Pull MIPS update from Ralf Baechle: "Cleanups and fixes for breakage that occured earlier during this merge phase. Also a few patches that didn't make the first pull request. Of those is the Alchemy work that merges code for many of the SOCs and evaluation boards thus among other code shrinkage, reduces the number of MIPS defconfigs by 5." * 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus: (22 commits) MIPS: SNI: Switch RM400 serial to SCCNXP driver MIPS: Remove unused empty_bad_pmd_table[] declaration. MIPS: MT: Remove kspd. MIPS: Malta: Fix section mismatch. MIPS: asm-offset.c: Delete unused irq_cpustat_t struct offsets. MIPS: Alchemy: Merge PB1100/1500 support into DB1000 code. MIPS: Alchemy: merge PB1550 support into DB1550 code MIPS: Alchemy: Single kernel for DB1200/1300/1550 MIPS: Optimize TLB refill for RI/XI configurations. MIPS: proc: Cleanup printing of ASEs. MIPS: Hardwire detection of DSP ASE Rev 2 for systems, as required. MIPS: Add detection of DSP ASE Revision 2. MIPS: Optimize pgd_init and pmd_init MIPS: perf: Add perf functionality for BMIPS5000 MIPS: perf: Split the Kconfig option CONFIG_MIPS_MT_SMP MIPS: perf: Remove unnecessary #ifdef MIPS: perf: Add cpu feature bit for PCI (performance counter interrupt) MIPS: perf: Change the "mips_perf_event" table unsupported indicator. MIPS: Align swapper_pg_dir to 64K for better TLB Refill code. vmlinux.lds.h: Allow architectures to add sections to the front of .bss ...
| * Merge tag 'disintegrate-mips-20121009' of ↵Ralf Baechle2012-10-11
| |\ | | | | | | | | | | | | | | | | | | | | | git://git.infradead.org/users/dhowells/linux-headers into mips-for-linux-next UAPI Disintegration 2012-10-09 Patchwork: https://patchwork.linux-mips.org/patch/4414/
| | * UAPI: (Scripted) Disintegrate arch/mips/include/asmDavid Howells2012-10-09
| | | | | | | | | | | | | | | | | | | | | | | | | | | Signed-off-by: David Howells <dhowells@redhat.com> Acked-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Michael Kerrisk <mtk.manpages@gmail.com> Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Acked-by: Dave Jones <davej@redhat.com>
| * | MIPS: SNI: Switch RM400 serial to SCCNXP driverThomas Bogendoerfer2012-10-11
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The new SCCNXP driver supports the SC2681 chips used in RM400 machines. We now use the new driver instead of the old SC26xx driver. Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/4417/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * | MIPS: Remove unused empty_bad_pmd_table[] declaration.Ralf Baechle2012-10-11
| | | | | | | | | | | | Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * | MIPS: MT: Remove kspd.Ralf Baechle2012-10-11
| | | | | | | | | | | | Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * | MIPS: Malta: Fix section mismatch.Ralf Baechle2012-10-11
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | LD arch/mips/pci/built-in.o WARNING: arch/mips/pci/built-in.o(.devinit.text+0x2a0): Section mismatch in reference from the function malta_piix_func0_fixup() to the variable .init.data:pci_irq The function __devinit malta_piix_func0_fixup() references a variable __initdata pci_irq. If pci_irq is only used by malta_piix_func0_fixup then annotate pci_irq with a matching annotation. Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * | MIPS: asm-offset.c: Delete unused irq_cpustat_t struct offsets.Ralf Baechle2012-10-11
| | | | | | | | | | | | | | | | | | | | | Originally added in 05b541489c48e7fbeec19a92acf8683230750d0a [Merge with Linux 2.5.5.] over 10 years ago but never been used. Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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