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2013-01-30mwifiex: do not overwrite error code from lower layer driverBing Zhao
Instead of converting it to a bogus error code -1, we should return the original error code from lower layer driver. This error code will be printed so it may give user some clues on what has happened. Signed-off-by: Bing Zhao <bzhao@marvell.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-01-30mwifiex: don't return zero on failure paths in mwifiex_pcie_init()Alexey Khoroshilov
If pci_iomap() fails in mwifiex_pcie_init(), it breaks off initialization, deallocates all resources, but returns zero. The patch adds -EIO as return value in this case. Found by Linux Driver Verification project (linuxtesting.org). Signed-off-by: Alexey Khoroshilov <khoroshilov@ispras.ru> Acked-by: Bing Zhao <bzhao@marvell.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-01-30rtl8723ae: Fix misspellings sucess->successAnatol Pomozov
Signed-off-by: Anatol Pomozov <anatol.pomozov@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-01-30mwl8k: Do not call STA specific cmds not supported by the AP fwYogesh Ashok Powar
While using STA mode in the AP firmware, avoid calling some firmware commands which are not supported by the AP firmware. Signed-off-by: Yogesh Ashok Powar <yogeshp@marvell.com> Signed-off-by: Nishant Sarmukadam <nishants@marvell.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-01-30mwl8k: Choose interface specific calls on vif typeYogesh Ashok Powar
Choose interface specific function calls based on interface type instead of firmware types. Signed-off-by: Yogesh Ashok Powar <yogeshp@marvell.com> Signed-off-by: Nishant Sarmukadam <nishants@marvell.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-01-30mwl8k: Add/Del self entry for AP interface onlyYogesh Ashok Powar
Add and delete self entry in the firmware sta database for AP interface only. We do not need such an entry for STA interface. Signed-off-by: Yogesh Ashok Powar <yogeshp@marvell.com> Signed-off-by: Nishant Sarmukadam <nishants@marvell.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-01-30mwl8k: Enable hw encryption for STA mode on AP fwYogesh Ashok Powar
Firmware supports hardware encryption feature for the station interface running on AP firmware. Signed-off-by: Yogesh Ashok Powar <yogeshp@marvell.com> Signed-off-by: Nishant Sarmukadam <nishants@marvell.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-01-30mwl8k: set mac type to MWL8K_MAC_TYPE_SECONDARY_CLIENTYogesh Ashok Powar
Set mac type for station interface on AP firmware as secondary. This allows the firmware to set specific characteristics for the STA interface. Signed-off-by: Yogesh Ashok Powar <yogeshp@marvell.com> Signed-off-by: Nishant Sarmukadam <nishants@marvell.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-01-30mwl8k: Allow adding station interface on AP firmwareYogesh Ashok Powar
When user wants to add a station interface when AP firmware is loaded & in-use, allow creating it and also notify user about the same. Allow adding max one STA interface for AP fw. Signed-off-by: Yogesh Ashok Powar <yogeshp@marvell.com> Signed-off-by: Nishant Sarmukadam <nishants@marvell.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-01-30mwl8k: Announce simultaneous AP-STA support on AP fwYogesh Ashok Powar
Specify the STA support in iface_limit and in wihpy->interface_modes Signed-off-by: Yogesh Ashok Powar <yogeshp@marvell.com> Signed-off-by: Nishant Sarmukadam <nishants@marvell.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-01-30mwl8k: Move tx/rx antenna configuration to mwl8k_probe_hwYogesh Ashok Powar
This avoids calling mwl8k_cmd_rf_antenna functions every time mwl8k_config function is called. Signed-off-by: Yogesh Ashok Powar <yogeshp@marvell.com> Signed-off-by: Nishant Sarmukadam <nishants@marvell.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-01-30mwl8k: Do not call mwl8k_cmd_set_rf_channel unconditionallyYogesh Ashok Powar
Avoid calling mwl8k_cmd_set_rf_channel unconditionally by checking IEEE80211_CONF_CHANGE_CHANNEL. Signed-off-by: Yogesh Ashok Powar <yogeshp@marvell.com> Signed-off-by: Nishant Sarmukadam <nishants@marvell.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-01-30mwl8k: Stop bsses before hw specific commandsYogesh Ashok Powar
For the commands, that might change the hw characteristics of the PHY device, stop the running bsses and resume them once command is complete. Signed-off-by: Yogesh Ashok Powar <yogeshp@marvell.com> Signed-off-by: Nishant Sarmukadam <nishants@marvell.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-01-30bcma: register platform device for parallel flashRafał Miłecki
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-01-30ssb: register platform device for parallel flashRafał Miłecki
Signed-off-by: Rafał Miłecki <zajec5@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-01-30ssb: trivial: use pflash helper variableRafał Miłecki
Signed-off-by: Rafał Miłecki <zajec5@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-01-30rt2x00: allow AP and mesh mode to operate simultaneouslyChun-Yeow Yeoh
Allow AP and Mesh mode to operate concurrently using single radio. Verify this using fonera 2.0n featuring RT3052 chipset and also TP-LINK TL-WN727N featuring RT5370 chipset. Signed-off-by: Chun-Yeow Yeoh <yeohchunyeow@gmail.com> Acked-by: Helmut Schaa <helmut.schaa@googlemal.com> Acked-by: Gertjan van Wingerde <gwingerde@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-01-30rt2x00: remove NOTICEStanislaw Gruszka
We use this macro only on 3 places - remove it and replace by other appropriate macros for printing messages. Signed-off-by: Stanislaw Gruszka <stf_xl@wp.pl> Acked-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-01-30rt2800usb: move "TX status missed" messages to debug levelStanislaw Gruszka
Those messages can flood in dmesg, so do not print them by default. Signed-off-by: Stanislaw Gruszka <stf_xl@wp.pl> Acked-by: Gertjan van Wingerde <gwingerde@gmail.com> Acked-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-01-30rt2x00: print warning, notice and info as defaultStanislaw Gruszka
Some messages provide useful information, but are disabled without CONFIG_RT2X00_DEBUG=y, so enable them by default Signed-off-by: Stanislaw Gruszka <stf_xl@wp.pl> Acked-by: Gertjan van Wingerde <gwingerde@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-01-30ath9k: Update spectral scan output dataSven Eckelmann
The sample data received through the spectral scan can be either in big or little endian byteorder. This information isn't stored in the output file. Therefore it is not possible for the analyzer software to find the correct byte order. It is relative common to get the data from a low end AP in big endian mode and transfer it to another computer in little endian mode to analyze it. Therefore, it would be better to store it in network (big endian) byte order. The extension of the 8 bit bins for each bin to 16 bit is not necessary. This operation can be done in userspace or on a different machine. Instead the max_exp defining the amount of shifting required for each bin is exported to userspace. The change of the output format requires a change of the type in the sample tlv to allow the userspace program to correctly detect the bin format. Reported-by: Zefir Kurtisi <zefir.kurtisi@neratec.com> Signed-off-by: Sven Eckelmann <sven@open-mesh.com> [siwu@hrz.tu-chemnitz.de: squashed patches, update commit message, rebase, fix endianess bug] Signed-off-by: Simon Wunderlich <siwu@hrz.tu-chemnitz.de> Signed-off-by: Mathias Kretschmer <mathias.kretschmer@fokus.fraunhofer.de> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-01-30ath9k: reorder error codes for spectralSimon Wunderlich
When using the spectral scan feature, frames with phy errors are returned for further processing to the driver. However, if the frames also have an invalid CRC (which seems to happen quite often), the frame is marked with bad CRC and not with the PHY error bit. The FFT processing function will thus miss the frames. Fix this by changing the precedence in error marking. Signed-off-by: Simon Wunderlich <siwu@hrz.tu-chemnitz.de> Signed-off-by: Mathias Kretschmer <mathias.kretschmer@fokus.fraunhofer.de> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-01-30ath9k: drop spectral packets after processing themSimon Wunderlich
Spectral packets are "bogus" packets and should not be further evaluated by the RX path. Statistics are added to keep track of these packets. Signed-off-by: Simon Wunderlich <siwu@hrz.tu-chemnitz.de> Signed-off-by: Mathias Kretschmer <mathias.kretschmer@fokus.fraunhofer.de> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-01-30ath9k: add debug parameters for spectral scanSimon Wunderlich
Export the various parameters to userspace. Signed-off-by: Simon Wunderlich <siwu@hrz.tu-chemnitz.de> Signed-off-by: Mathias Kretschmer <mathias.kretschmer@fokus.fraunhofer.de> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-01-30mwifiex: fix invalid access of PCIe RxBD ring buffer descriptorAvinash Patil
This patch fixes invalid access of RxBD ring buffer descriptor's length and flag inside PCIe send_data_complete() routine. We are supposed to modify TxBD buffer descriptor's length and flag here. Signed-off-by: Avinash Patil <patila@marvell.com> Signed-off-by: Bing Zhao <bzhao@marvell.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-01-30rt2x00: print chip and firmware version by defaultStanislaw Gruszka
Signed-off-by: Stanislaw Gruszka <stf_xl@wp.pl> Tested-by: Xose Vazquez Perez <xose.vazquez@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-01-30drivers/net/wireless/iwlegacy/4965-mac.c: adjust duplicate testJulia Lawall
Delete successive tests to the same location. This looks like simple code duplication. A simplified version of the semantic match that finds this problem is as follows: (http://coccinelle.lip6.fr/) // <smpl> @s exists@ local idexpression y; expression x,e; @@ *if ( \(x == NULL\|IS_ERR(x)\|y != 0\) ) { ... when forall return ...; } ... when != \(y = e\|y += e\|y -= e\|y |= e\|y &= e\|y++\|y--\|&y\) when != \(XT_GETPAGE(...,y)\|WMI_CMD_BUF(...)\) *if ( \(x == NULL\|IS_ERR(x)\|y != 0\) ) { ... when forall return ...; } // </smpl> Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-01-30samsung-laptop: Disable on EFI hardwareMatt Fleming
It has been reported that running this driver on some Samsung laptops with EFI can cause those machines to become bricked as detailed in the following report, https://bugs.launchpad.net/ubuntu-cdimage/+bug/1040557 There have also been reports of this driver causing Machine Check Exceptions on recent EFI-enabled Samsung laptops, https://bugzilla.kernel.org/show_bug.cgi?id=47121 So disable it if booting from EFI since this driver relies on grovelling around in the BIOS memory map which isn't going to work. Cc: Corentin Chary <corentincj@iksaif.net> Cc: Matthew Garrett <mjg59@srcf.ucam.org> Cc: Colin Ian King <colin.king@canonical.com> Cc: Steve Langasek <steve.langasek@canonical.com> Cc: <stable@vger.kernel.org> Signed-off-by: Matt Fleming <matt.fleming@intel.com> Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
2013-01-30efi: Make 'efi_enabled' a function to query EFI facilitiesMatt Fleming
Originally 'efi_enabled' indicated whether a kernel was booted from EFI firmware. Over time its semantics have changed, and it now indicates whether or not we are booted on an EFI machine with bit-native firmware, e.g. 64-bit kernel with 64-bit firmware. The immediate motivation for this patch is the bug report at, https://bugs.launchpad.net/ubuntu-cdimage/+bug/1040557 which details how running a platform driver on an EFI machine that is designed to run under BIOS can cause the machine to become bricked. Also, the following report, https://bugzilla.kernel.org/show_bug.cgi?id=47121 details how running said driver can also cause Machine Check Exceptions. Drivers need a new means of detecting whether they're running on an EFI machine, as sadly the expression, if (!efi_enabled) hasn't been a sufficient condition for quite some time. Users actually want to query 'efi_enabled' for different reasons - what they really want access to is the list of available EFI facilities. For instance, the x86 reboot code needs to know whether it can invoke the ResetSystem() function provided by the EFI runtime services, while the ACPI OSL code wants to know whether the EFI config tables were mapped successfully. There are also checks in some of the platform driver code to simply see if they're running on an EFI machine (which would make it a bad idea to do BIOS-y things). This patch is a prereq for the samsung-laptop fix patch. Cc: David Airlie <airlied@linux.ie> Cc: Corentin Chary <corentincj@iksaif.net> Cc: Matthew Garrett <mjg59@srcf.ucam.org> Cc: Dave Jiang <dave.jiang@intel.com> Cc: Olof Johansson <olof@lixom.net> Cc: Peter Jones <pjones@redhat.com> Cc: Colin Ian King <colin.king@canonical.com> Cc: Steve Langasek <steve.langasek@canonical.com> Cc: Tony Luck <tony.luck@intel.com> Cc: Konrad Rzeszutek Wilk <konrad@kernel.org> Cc: Rafael J. Wysocki <rjw@sisk.pl> Cc: <stable@vger.kernel.org> Signed-off-by: Matt Fleming <matt.fleming@intel.com> Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
2013-01-30pinctrl/abx500: add AB8500 sub-driverPatrice Chotard
This adds a subdriver for the AB8500 pinctrl portions. As the pin controller (also the ABx500 controllers) is an inherent part of the SoC and will prevent boot if not available, select this from the Ux500 SoC Kconfig. Acked-by: Olof Johansson <olof@lixom.net> Reviewed-by: Stephen Warren <swarren@nvidia.com> Signed-off-by: Patrice Chotard <patrice.chotard@st.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-01-30pinctrl: add abx500 pinctrl driver corePatrice Chotard
This adds the AB8500 core driver, which will be utilized by the follow-on drivers for different ABx500 variants. Sselect the driver from the DBX500_SOC, as this chip is powering and clocking that SoC. Cc: Samuel Ortiz <sameo@linux.intel.com> Signed-off-by: Patrice Chotard <patrice.chotard@st.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-01-30gpio: delete AB8500 driverLinus Walleij
The AB8500 GPIO driver has been marked BROKEN for ages, and we have something better in store: a shiny new pinctrl driver. So let use delete this old driver as the first step. Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-01-30mfd: ab8500: update header file and version detectionLinus Walleij
This updates the AB8500 register map with defines for a few new chip variants and adds version detection helpers to handle the different variants. Acked-by: Samuel Ortiz <sameo@linux.intel.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-01-30ARM: ux500: select the DB8540 pin controllerLinus Walleij
The pin controller is an inherent part of the SoC, without it the system will not boot, thus it needs to be selected from Kconfig. Acked-by: Olof Johansson <olof@lixom.net> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-01-30Merge branch 'for-john' of ↵John W. Linville
git://git.kernel.org/pub/scm/linux/kernel/git/iwlwifi/iwlwifi-next
2013-01-30Merge branch 'for-john' of ↵John W. Linville
git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next
2013-01-30Merge branch 'for-upstream' of ↵John W. Linville
git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth-next
2013-01-30mwifiex: fix incomplete scan in case of IE parsing errorBing Zhao
A scan request is split into multiple scan commands queued in scan_pending_q. Each scan command will be sent to firmware and its response is handlded one after another. If any error is detected while parsing IE in command response buffer the remaining data will be ignored and error is returned. We should check if there is any more scan commands pending in the queue before returning error. This ensures that we will call cfg80211_scan_done if this is the last scan command, or send next scan command in scan_pending_q to firmware. Cc: "3.6+" <stable@vger.kernel.org> Signed-off-by: Bing Zhao <bzhao@marvell.com> Signed-off-by: Amitkumar Karwar <akarwar@marvell.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-01-30drm/radeon: protect against div by 0 in backend setupMikko Tiihonen
Make sure at least one RB is enabled in r6xx_remap_render_backend() to avoid an division by zero in some corner cases. See: https://bugzilla.redhat.com/show_bug.cgi?id=892233 Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Cc: stable@vger.kernel.org
2013-01-30drm/radeon: fix backend map setup on 1 RB sumo boardsAlex Deucher
Need to adjust the backend map depending on which RB is enabled. Fixes: https://bugzilla.redhat.com/show_bug.cgi?id=892233 Reported-by: Mikko Tiihonen <mikko.tiihonen@iki.fi> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Cc: stable@vger.kernel.org
2013-01-30ARM: ux500: correct typo in pinctrl Device Tree nodeLee Jones
The preference is to use '-' instead of '_' in compatible strings. Signed-off-by: Lee Jones <lee.jones@linaro.org> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-01-30tracing: Add documentation of snapshot utilityHiraku Toyooka
This patch adds snapshot description in ftrace documentation. This description includes what the snapshot is and how to use it. Link: http://lkml.kernel.org/r/20121226025309.3252.150.stgit@liselsia Cc: Rob Landley <rob@landley.net> Signed-off-by: Hiraku Toyooka <hiraku.toyooka.gu@hitachi.com> Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2013-01-30tracing: Make a snapshot feature available from userspaceHiraku Toyooka
Ftrace has a snapshot feature available from kernel space and latency tracers (e.g. irqsoff) are using it. This patch enables user applictions to take a snapshot via debugfs. Add "snapshot" debugfs file in "tracing" directory. snapshot: This is used to take a snapshot and to read the output of the snapshot. # echo 1 > snapshot This will allocate the spare buffer for snapshot (if it is not allocated), and take a snapshot. # cat snapshot This will show contents of the snapshot. # echo 0 > snapshot This will free the snapshot if it is allocated. Any other positive values will clear the snapshot contents if the snapshot is allocated, or return EINVAL if it is not allocated. Link: http://lkml.kernel.org/r/20121226025300.3252.86850.stgit@liselsia Cc: Jiri Olsa <jolsa@redhat.com> Cc: David Sharp <dhsharp@google.com> Signed-off-by: Hiraku Toyooka <hiraku.toyooka.gu@hitachi.com> [ Fixed irqsoff selftest and also a conflict with a change that fixes the update_max_tr. ] Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2013-01-30tracing: Replace static old_tracer check of tracer nameHiraku Toyooka
Currently the trace buffer read functions use a static variable "old_tracer" for detecting if the current tracer changes. This was suitable for a single trace file ("trace"), but to add a snapshot feature that will use the same function for its file, a check against a static variable is not sufficient. To use the output functions for two different files, instead of storing the current tracer in a static variable, as the trace iterator descriptor contains a pointer to the original current tracer's name, that pointer can now be used to check if the current tracer has changed between different reads of the trace file. Link: http://lkml.kernel.org/r/20121226025252.3252.9276.stgit@liselsia Signed-off-by: Hiraku Toyooka <hiraku.toyooka.gu@hitachi.com> Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2013-01-30tracing: Use sched_clock_cpu for trace_clock_globalNamhyung Kim
For systems with an unstable sched_clock, all cpu_clock() does is enable/ disable local irq during the call to sched_clock_cpu(). And for stable systems they are same. trace_clock_global() already disables interrupts, so it can call sched_clock_cpu() directly. Link: http://lkml.kernel.org/r/1356576585-28782-2-git-send-email-namhyung@kernel.org Signed-off-by: Namhyung Kim <namhyung@kernel.org> Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2013-01-30ring-buffer: Add stats field for amount read from trace ring bufferSteven Rostedt (Red Hat)
Add a stat about the number of events read from the ring buffer: # cat /debug/tracing/per_cpu/cpu0/stats entries: 39869 overrun: 870512 commit overrun: 0 bytes: 1449912 oldest event ts: 6561.368690 now ts: 6565.246426 dropped events: 0 read events: 112 <-- Added Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2013-01-30perf header: Fix double fclose() on do_write(fd, xxx) failureThomas Jarosch
cppcheck reported: [util/header.c:983]: (error) Used file that is not opened. Thanks to Arnaldo Carvalho de Melo for pointing out that fclose(NULL) is undefined behavior -> protect against it. Signed-off-by: Thomas Jarosch <thomas.jarosch@intra2net.com> Link: http://lkml.kernel.org/r/1751778.SZQB4fNdIh@storm Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2013-01-30perf header: Fix memory leak for the "Not caching a kptr_restrict'ed ↵Thomas Jarosch
/proc/kallsyms" case cppcheck reported: [util/header.c:316]: (error) Memory leak: filename [util/header.c:316]: (error) Memory leak: linkname Signed-off-by: Thomas Jarosch <thomas.jarosch@intra2net.com> Link: http://lkml.kernel.org/r/9377388.0eFDp53iW6@storm Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2013-01-30perf tools: Fix memory leak on errorThomas Jarosch
cppcheck reported: [util/event.c:480]: (error) Memory leak: event Signed-off-by: Thomas Jarosch <thomas.jarosch@intra2net.com> Link: http://lkml.kernel.org/r/2717013.8dV0naNhAV@storm Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2013-01-30perf sort: Use pclose() instead of fclose() on pipe streamThomas Jarosch
cppcheck message: [tools/perf/util/sort.c:277]: (error) Mismatching allocation and deallocation: fp Also fix descriptor leak on error and always initialize the "fp" variable. Signed-off-by: Thomas Jarosch <thomas.jarosch@intra2net.com> Link: http://lkml.kernel.org/r/1359112354.yZcisNZ4k0@storm Link: http://lkml.kernel.org/r/2266358.qvDXKLvJ67@storm Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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