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* ssb: Remove SSB_WARN_ON, SSB_BUG_ON and SSB_DEBUGMichael Büsch2018-08-091-9/+0
| | | | | | | | | | | Use the standard WARN_ON instead. If a small kernel is desired, WARN_ON can be disabled globally. Also remove SSB_DEBUG. Besides WARN_ON it only adds a tiny debug check. Include this check unconditionally. Signed-off-by: Michael Buesch <m@bues.ch> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
* ssb: Remove home-grown printk wrappersMichael Büsch2018-08-091-27/+3
| | | | | | | | | | | | | Replace the ssb printk wrappers by standard print helpers. Also remove SSB_SILENT. Nobody should use it anyway. Originally submitted by Joe Perches <joe@perches.com>. Modified to add dev_... based printks. Signed-off-by: Michael Buesch <m@bues.ch> Tested-by: Michael Buesch <m@bues.ch> Cc: Joe Perches <joe@perches.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
* License cleanup: add SPDX GPL-2.0 license identifier to files with no licenseGreg Kroah-Hartman2017-11-021-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Many source files in the tree are missing licensing information, which makes it harder for compliance tools to determine the correct license. By default all files without license information are under the default license of the kernel, which is GPL version 2. Update the files which contain no license information with the 'GPL-2.0' SPDX license identifier. The SPDX identifier is a legally binding shorthand, which can be used instead of the full boiler plate text. This patch is based on work done by Thomas Gleixner and Kate Stewart and Philippe Ombredanne. How this work was done: Patches were generated and checked against linux-4.14-rc6 for a subset of the use cases: - file had no licensing information it it. - file was a */uapi/* one with no licensing information in it, - file was a */uapi/* one with existing licensing information, Further patches will be generated in subsequent months to fix up cases where non-standard license headers were used, and references to license had to be inferred by heuristics based on keywords. The analysis to determine which SPDX License Identifier to be applied to a file was done in a spreadsheet of side by side results from of the output of two independent scanners (ScanCode & Windriver) producing SPDX tag:value files created by Philippe Ombredanne. Philippe prepared the base worksheet, and did an initial spot review of a few 1000 files. The 4.13 kernel was the starting point of the analysis with 60,537 files assessed. Kate Stewart did a file by file comparison of the scanner results in the spreadsheet to determine which SPDX license identifier(s) to be applied to the file. She confirmed any determination that was not immediately clear with lawyers working with the Linux Foundation. Criteria used to select files for SPDX license identifier tagging was: - Files considered eligible had to be source code files. - Make and config files were included as candidates if they contained >5 lines of source - File already had some variant of a license header in it (even if <5 lines). All documentation files were explicitly excluded. The following heuristics were used to determine which SPDX license identifiers to apply. - when both scanners couldn't find any license traces, file was considered to have no license information in it, and the top level COPYING file license applied. For non */uapi/* files that summary was: SPDX license identifier # files ---------------------------------------------------|------- GPL-2.0 11139 and resulted in the first patch in this series. If that file was a */uapi/* path one, it was "GPL-2.0 WITH Linux-syscall-note" otherwise it was "GPL-2.0". Results of that was: SPDX license identifier # files ---------------------------------------------------|------- GPL-2.0 WITH Linux-syscall-note 930 and resulted in the second patch in this series. - if a file had some form of licensing information in it, and was one of the */uapi/* ones, it was denoted with the Linux-syscall-note if any GPL family license was found in the file or had no licensing in it (per prior point). Results summary: SPDX license identifier # files ---------------------------------------------------|------ GPL-2.0 WITH Linux-syscall-note 270 GPL-2.0+ WITH Linux-syscall-note 169 ((GPL-2.0 WITH Linux-syscall-note) OR BSD-2-Clause) 21 ((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause) 17 LGPL-2.1+ WITH Linux-syscall-note 15 GPL-1.0+ WITH Linux-syscall-note 14 ((GPL-2.0+ WITH Linux-syscall-note) OR BSD-3-Clause) 5 LGPL-2.0+ WITH Linux-syscall-note 4 LGPL-2.1 WITH Linux-syscall-note 3 ((GPL-2.0 WITH Linux-syscall-note) OR MIT) 3 ((GPL-2.0 WITH Linux-syscall-note) AND MIT) 1 and that resulted in the third patch in this series. - when the two scanners agreed on the detected license(s), that became the concluded license(s). - when there was disagreement between the two scanners (one detected a license but the other didn't, or they both detected different licenses) a manual inspection of the file occurred. - In most cases a manual inspection of the information in the file resulted in a clear resolution of the license that should apply (and which scanner probably needed to revisit its heuristics). - When it was not immediately clear, the license identifier was confirmed with lawyers working with the Linux Foundation. - If there was any question as to the appropriate license identifier, the file was flagged for further research and to be revisited later in time. In total, over 70 hours of logged manual review was done on the spreadsheet to determine the SPDX license identifiers to apply to the source files by Kate, Philippe, Thomas and, in some cases, confirmation by lawyers working with the Linux Foundation. Kate also obtained a third independent scan of the 4.13 code base from FOSSology, and compared selected files where the other two scanners disagreed against that SPDX file, to see if there was new insights. The Windriver scanner is based on an older version of FOSSology in part, so they are related. Thomas did random spot checks in about 500 files from the spreadsheets for the uapi headers and agreed with SPDX license identifier in the files he inspected. For the non-uapi files Thomas did random spot checks in about 15000 files. In initial set of patches against 4.14-rc6, 3 files were found to have copy/paste license identifier errors, and have been fixed to reflect the correct identifier. Additionally Philippe spent 10 hours this week doing a detailed manual inspection and review of the 12,461 patched files from the initial patch version early this week with: - a full scancode scan run, collecting the matched texts, detected license ids and scores - reviewing anything where there was a license detected (about 500+ files) to ensure that the applied SPDX license was correct - reviewing anything where there was no detection but the patch license was not GPL-2.0 WITH Linux-syscall-note to ensure that the applied SPDX license was correct This produced a worksheet with 20 files needing minor correction. This worksheet was then exported into 3 different .csv files for the different types of files to be modified. These .csv files were then reviewed by Greg. Thomas wrote a script to parse the csv files and add the proper SPDX tag to the file, in the format that the file expected. This script was further refined by Greg based on the output to detect more types of files automatically and to distinguish between header and source .c files (which need different comment types.) Finally Greg ran the script using the .csv files to generate the patches. Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org> Reviewed-by: Philippe Ombredanne <pombredanne@nexb.com> Reviewed-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* ssb: pick SoC invariants code from MIPS BCM47xx archRafał Miłecki2015-12-161-0/+3
| | | | | | | | | | | | | There is code in ssb fetching "invariants" that is basically a set of board specific data. Every host requires its own implementation of reading function. In ssb we have support for PCI, PCMCIA & SDIO. For some (historical?) reason code reading "invariants" for SoC was placed in arch code and provided by a callback. This is not needed nowadays, so lets move that into ssb. This way we keep all "invariants" functions in a single module making code cleaner. Signed-off-by: Rafał Miłecki <zajec5@gmail.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
* ssb: add Kconfig entry for compiling SoC related codeRafał Miłecki2015-10-281-0/+2
| | | | | | | This allows saving a little of space when not using ssb on Broadcom SoC. Signed-off-by: Rafał Miłecki <zajec5@gmail.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
* ssb: move functions specific to SoC hosted bus to separated fileRafał Miłecki2015-10-281-0/+5
| | | | | | | | This cleans main.c a bit and will allow us to compile SoC related code conditionally in the future. Signed-off-by: Rafał Miłecki <zajec5@gmail.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
* ssb: pick PCMCIA host code support from b43 driverRafał Miłecki2015-10-281-0/+9
| | | | | | | | | | | | | | | | | | | | | | | | | | | ssb bus can be found on various "host" devices like PCI/PCMCIA/SDIO. Every ssb bus contains cores AKA devices. The main idea is to have ssb driver scan/initialize bus and register ready-to-use cores. This way ssb drivers can operate on a single core mostly ignoring underlaying details. For some reason PCMCIA support was split between ssb and b43. We got PCMCIA host device probing in b43, then bus scanning in ssb and then wireless core probing back in b43. The truth is it's very unlikely we will ever see PCMCIA ssb device with no 802.11 core but I still don't see any advantage of the current architecture. With proposed change we get the same functionality with a simpler architecture, less Kconfig symbols, one killed EXPORT and hopefully cleaner b43. Since b43 supports both: ssb & bcma I prefer to keep ssb specific code in ssb driver. This mostly moves code from b43's pcmcia.c to bridge_pcmcia_80211.c. We already use similar solution with b43_pci_bridge.c. I didn't use "b43" in name of this new file as in theory any driver can operate on wireless core. Signed-off-by: Rafał Miłecki <zajec5@gmail.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
* ssb: make ssb_pcmcia_switch_core staticRafał Miłecki2015-09-291-7/+0
| | | | | Signed-off-by: Rafał Miłecki <zajec5@gmail.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
* ssb: drop declaration of non existing ssb_sdio_hardware_setupRafał Miłecki2015-09-291-5/+0
| | | | | Signed-off-by: Rafał Miłecki <zajec5@gmail.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
* ssb: make ssb_sdio_switch_core staticRafał Miłecki2015-09-291-6/+0
| | | | | | | It's used locally only. Signed-off-by: Rafał Miłecki <zajec5@gmail.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
* ssb: register serial flash as platform deviceRafał Miłecki2013-06-181-0/+4
| | | | | | | | | This allows writing MTD driver working as a platform driver. In platform_data it will receive struct ssb_sflash, which contains all important data about flash (window, size). Signed-off-by: Rafał Miłecki <zajec5@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* ssb: Convert ssb_printk to ssb_<level>Joe Perches2013-03-061-4/+15
| | | | | | | | | Use a more current logging style. Convert ssb_dbprint to ssb_dbg too. Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/netDavid S. Miller2013-02-091-0/+5
|\ | | | | | | | | | | | | Synchronize with 'net' in order to sort out some l2tp, wireless, and ipv6 GRE fixes that will be built on top of in 'net-next'. Signed-off-by: David S. Miller <davem@davemloft.net>
| * ssb: unregister gpios before unloading ssbHauke Mehrtens2013-02-041-0/+5
| | | | | | | | | | | | | | This patch unregisters the gpio chip before ssb gets unloaded. Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* | ssb: register platform device for parallel flashRafał Miłecki2013-01-301-0/+4
| | | | | | | | | | Signed-off-by: Rafał Miłecki <zajec5@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* | ssb: add place for serial flash driverRafał Miłecki2013-01-091-0/+11
|/ | | | | Signed-off-by: Rafał Miłecki <zajec5@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linusLinus Torvalds2012-12-141-0/+17
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Pull MIPS updates from Ralf Baechle: "The MIPS bits for 3.8. This also includes a bunch fixes that were sitting in the linux-mips.org git tree for a long time. This pull request contains updates to several OCTEON drivers and the board support code for BCM47XX, BCM63XX, XLP, XLR, XLS, lantiq, Loongson1B, updates to the SSB bus support, MIPS kexec code and adds support for kdump. When pulling this, there are two expected merge conflicts in include/linux/bcma/bcma_driver_chipcommon.h which are trivial to resolve, just remove the conflict markers and keep both alternatives." * 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus: (90 commits) MIPS: PMC-Sierra Yosemite: Remove support. VIDEO: Newport Fix console crashes MIPS: wrppmc: Fix build of PCI code. MIPS: IP22/IP28: Fix build of EISA code. MIPS: RB532: Fix build of prom code. MIPS: PowerTV: Fix build. MIPS: IP27: Correct fucked grammar in ops-bridge.c MIPS: Highmem: Fix build error if CONFIG_DEBUG_HIGHMEM is disabled MIPS: Fix potencial corruption MIPS: Fix for warning from FPU emulation code MIPS: Handle COP3 Unusable exception as COP1X for FP emulation MIPS: Fix poweroff failure when HOTPLUG_CPU configured. MIPS: MT: Fix build with CONFIG_UIDGID_STRICT_TYPE_CHECKS=y MIPS: Remove unused smvp.h MIPS/EDAC: Improve OCTEON EDAC support. MIPS: OCTEON: Add definitions for OCTEON memory contoller registers. MIPS: OCTEON: Add OCTEON family definitions to octeon-model.h ata: pata_octeon_cf: Use correct byte order for DMA in when built little-endian. MIPS/OCTEON/ata: Convert pata_octeon_cf.c to use device tree. MIPS: Remove usage of CEVT_R4K_LIB config option. ...
| * ssb: add GPIO driverHauke Mehrtens2012-11-211-0/+9
| | | | | | | | | | | | | | | | | | | | | | Register a GPIO driver to access the GPIOs provided by the chip. The GPIOs of the SoC should always start at 0 and the other GPIOs could start at a random position. There is just one SoC in a system and when they start at 0 the number is predictable. Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de> Patchwork: http://patchwork.linux-mips.org/patch/4591 Acked-by: Florian Fainelli <florian@openwrt.org>
| * ssb: add locking around gpio register accessesHauke Mehrtens2012-11-211-0/+8
| | | | | | | | | | | | | | | | | | | | | | The GPIOs are access through some registers in the chip common core or over extif. We need locking around these GPIO accesses, all GPIOs are accessed through the same registers and parallel writes will cause problems. Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de> Patchwork: http://patchwork.linux-mips.org/patch/4590 Acked-by: Florian Fainelli <florian@openwrt.org>
* | ssb: register watchdog driverHauke Mehrtens2012-12-061-0/+10
| | | | | | | | | | | | | | | | | | | | Register the watchdog driver to the system if it is a SoC. Using the watchdog on a non SoC device, like a PCI card, will make the PCI card die when the timeout expired, but starting it again is not supported by ssb. Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* | ssb: extif: add methods for watchdog driverHauke Mehrtens2012-12-061-0/+15
| | | | | | | | | | | | | | | | | | | | The watchdog driver wants to set the watchdog timeout in ms and not in ticks, add a method converting ms to ticks before setting the watchdog register. Return the ticks or millisecond the timer was set to in case the provided value was bigger than the max allowed value. Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* | ssb: add methods for watchdog driverHauke Mehrtens2012-12-061-0/+5
| | | | | | | | | | | | | | | | | | | | | | | | The watchdog driver wants to set the watchdog timeout in ms and not in ticks, which is depending on the SoC type and the clock. Calculate the number of ticks per millisecond and provide two functions for the watchdog driver. Also return the ticks or millisecond the timer was set to in case the provided value was bigger than the max allowed value. Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* | ssb: get alp clock from devices with PMUHauke Mehrtens2012-12-061-0/+1
|/ | | | | | | | If there is a PMU in the device, get the alp clock from that part and do not assume 20000000. Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* ssb: add support for bcm5354Hauke Mehrtens2012-02-061-0/+4
| | | | | | | | This patch adds support the the BCM5354 SoC. It has a PMU and a constant not configurable clock. Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* SSB: Change fallback sprom to callback mechanism.Hauke Mehrtens2011-05-191-1/+2
| | | | | | | | | | | | | | | | | | | | | Some embedded devices like the Netgear WNDR3300 have two SSB based cards without an own sprom on the pci bus. We have to provide two different fallback sproms for these and this was not possible with the old solution. In the bcm47xx architecture the sprom data is stored in the nvram in the main flash storage. The architecture code will be able to fill the sprom with the stored data based on the bus where the device was found. The bcm63xx code should do the same thing as before, just using the new API. Acked-by: Michael Buesch <mb@bu3sch.de> Cc: netdev@vger.kernel.org Cc: linux-wireless@vger.kernel.org Cc: Florian Fainelli <florian@openwrt.org> Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/2362/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* ssb: fix typo in ifdef commentHauke Mehrtens2010-02-151-2/+2
| | | | | | Cc: Michael Buesch <mb@bu3sch.de> Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* ssb: Fix SPROM writingMichael Buesch2009-11-231-2/+10
| | | | | | | | | | | The SPROM writing routines were broken since we rewrote the suspend handling on wireless devices, because SPROM writing depended on suspend. This patch changes it and freezes devices with the driver remove(), probe() callbacks instead. This also simplifies the whole logics a lot. Signed-off-by: Michael Buesch <mb@bu3sch.de> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* ssb: Implement SDIO host bus supportAlbert Herranz2009-09-091-0/+40
| | | | | | | | | | | | Add support for communicating with a Sonics Silicon Backplane through a SDIO interface, as found in the Nintendo Wii WLAN daughter card. The Nintendo Wii WLAN card includes a custom Broadcom 4318 chip with a SDIO host interface. Signed-off-by: Albert Herranz <albert_herranz@yahoo.es> Signed-off-by: Michael Buesch <mb@bu3sch.de> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* ssb: Add SPROM fallback supportMichael Buesch2009-03-051-0/+1
| | | | | | | | | | | | | This adds SSB functionality to register a fallback SPROM image from the architecture setup code. Weird architectures exist that have half-assed SSB devices without SPROM attached to their PCI busses. The architecture can register a fallback SPROM image that is used if no SPROM is found on the SSB device. Signed-off-by: Michael Buesch <mb@bu3sch.de> Cc: Florian Fainelli <florian@openwrt.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* ssb: Turn suspend/resume upside downMichael Buesch2008-04-081-0/+5
| | | | | | | | | Turn the SSB bus suspend mechanism upside down. Instead of deciding by an internal reference count when to suspend/resume, let the parent bus call us in their suspend/resume routine. Signed-off-by: Michael Buesch <mb@bu3sch.de> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* ssb: Add SPROM/invariants support for PCMCIA devicesMichael Buesch2008-03-141-0/+17
| | | | | | | | This adds support for reading/writing the SPROM invariants for PCMCIA based devices. Signed-off-by: Michael Buesch <mb@bu3sch.de> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* ssb: Add Gigabit Ethernet driverMichael Buesch2008-03-061-0/+2
| | | | | | | | | | This adds the Gigabit Ethernet driver for the SSB Gigabit Ethernet core. This driver actually is a frontend to the Tigon3 driver. So the real work is done by tg3. This device is used in the Linksys WRT350N. Signed-off-by: Michael Buesch <mb@bu3sch.de> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* Use a separate config option for the b43 pci to ssb bridge.Alexey Zaytsev2008-02-281-2/+2
| | | | | | | | | | | | | The bridge code was unnecessary enabled by the b44 driver, but it prevents the bcm43xx driver from being loaded, as the bridge claims the same pci ids. Now we enable the birdge only if the b43{legacy} drivers are selected. Signed-off-by: Alexey Zaytsev <alexey.zaytsev@gmail.com> Acked-by: Larry Finger <Larry.Finger@lwfinger.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* [SSB]: add Sonics Silicon Backplane bus supportMichael Buesch2007-10-111-0/+136
SSB is an SoC bus used in a number of embedded devices. The most well-known of these devices is probably the Linksys WRT54G, but there are others as well. The bus is also used internally on the BCM43xx and BCM44xx devices from Broadcom. This patch also includes support for SSB ID tables in modules, so that SSB drivers can be loaded automatically. Signed-off-by: Michael Buesch <mb@bu3sch.de> Signed-off-by: John W. Linville <linville@tuxdriver.com> Signed-off-by: David S. Miller <davem@davemloft.net>