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2017-11-02License cleanup: add SPDX GPL-2.0 license identifier to files with no licenseGreg Kroah-Hartman1-0/+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>
2017-02-14MIPS: Audit and remove any unnecessary uses of module.hPaul Gortmaker4-4/+5
Historically a lot of these existed because we did not have a distinction between what was modular code and what was providing support to modules via EXPORT_SYMBOL and friends. That changed when we forked out support for the latter into the export.h file. This means we should be able to reduce the usage of module.h in code that is obj-y Makefile or bool Kconfig. In the case of some code where it is modular, we can extend that to also include files that are building basic support functionality but not related to loading or registering the final module; such files also have no need whatsoever for module.h The advantage in removing such instances is that module.h itself sources about 15 other headers; adding significantly to what we feed cpp, and it can obscure what headers we are effectively using. Since module.h might have been the implicit source for init.h (for __init) and for export.h (for EXPORT_SYMBOL) we consider each instance for the presence of either and replace/add as needed. Also note that MODULE_DEVICE_TABLE is a no-op for non-modular code. Build coverage of all the mips defconfigs revealed the module.h header was masking a couple of implicit include instances, so we add the appropriate headers there. Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com> Cc: David Daney <david.daney@cavium.com> Cc: John Crispin <john@phrozen.org> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: "Steven J. Hill" <steven.hill@cavium.com> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/15131/ [james.hogan@imgtec.com: Preserve sort order where it already exists] Signed-off-by: James Hogan <james.hogan@imgtec.com>
2016-05-28MIPS: VR41xx: Fix typoAndrea Gelmini1-1/+1
Signed-off-by: Andrea Gelmini <andrea.gelmini@gelma.net> Cc: trivial@kernel.org Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/13338/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2016-05-13MIPS: VR41xx: Use __flush_cache_all instead of flush_cache_all.Ralf Baechle1-1/+1
It's probably a good idea to flush caches before reset and by the time this code was written flush_cache_all did actually still do something. Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2015-06-21MIPS/IRQCHIP: Move irq_chip from arch/mips to drivers/irqchip.Ralf Baechle1-5/+5
While at it, rename it because in drivers/irqchip no longer every CPU is a MIPS. Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2013-05-22MIPS: Idle: Consolidate all declarations in <asm/idle.h>.Ralf Baechle1-0/+1
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2013-02-01MIPS: Whitespace cleanup.Ralf Baechle7-18/+18
Having received another series of whitespace patches I decided to do this once and for all rather than dealing with this kind of patches trickling in forever. Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2012-03-28Disintegrate asm/system.h for MIPSDavid Howells2-2/+0
Disintegrate asm/system.h for MIPS. Signed-off-by: David Howells <dhowells@redhat.com> Acked-by: Ralf Baechle <ralf@linux-mips.org> cc: linux-mips@linux-mips.org
2011-10-31mips: fix implicit smp.h usage in various files.Paul Gortmaker2-0/+2
We need to call out inclusion of smp.h, or with the module.h cleanup we'll get things like: arch/mips/loongson/common/platform.c:21: error: implicit declaration of function 'smp_processor_id' arch/mips/vr41xx/common/giu.c:84: error: implicit declaration of function 'smp_processor_id' arch/mips/vr41xx/common/rtc.c:85: error: implicit declaration of function 'smp_processor_id' Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
2011-09-21MIPS: Mark cascade and low level interrupts IRQF_NO_THREADWu Zhangjin1-0/+1
Mark interrupts with no_action handler, cascade interrupts, low level interrupts (bus error, halt ..) with IRQF_NO_THREAD to exclude them from forced threading. Signed-off-by: Wu Zhangjin <wuzhangjin@gmail.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: linux-mips@linux-mips.org Cc: Wu Zhangjin <wuzhangjin@gmail.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2011-03-29mips: vr41xx: Use irdq_irq_disabled()Thomas Gleixner1-1/+1
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2011-03-29MIPS: Convert the irq functions to the new namesThomas Gleixner1-2/+2
Scripted with coccinelle. Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2011-03-25MIPS: VR41xx: Convert to new irq_chip functionsThomas Gleixner2-47/+44
And cleanup direct access to irq_desc[]. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> To: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/2208/ Patchwork: https://patchwork.linux-mips.org/patch/2209/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2010-10-07MIPS: Add missing #inclusions of <linux/irq.h>David Howells2-0/+2
Add missing #inclusions of <linux/irq.h> to a whole bunch of files that should really include it. Note that this can replace #inclusions of <asm/irq.h>. This is required for the patch to sort out irqflags handling function naming to compile on MIPS. The problem is that these files require access to things like setup_irq() - which isn't available by #including <linux/interrupt.h> Signed-off-by: David Howells <dhowells@redhat.com> Acked-by: Ralf Baechle <ralf@linux-mips.org>
2010-08-05MIPS: Move VR41xx Makefile parts to their own Platform fileYoichi Yuasa2-2/+32
Signed-off-by: Yoichi Yuasa <yuasa@linux-mips.org> Cc: linux-mips <linux-mips@linux-mips.org> Patchwork: https://patchwork.linux-mips.org/patch/1322/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2010-01-12MIPS: VR41xx: Use strlcat() for the command line argumentsYoichi Yuasa1-3/+3
Signed-off-by: Yoichi Yuasa <yuasa@linux-mips.org> Cc: linux-mips@linux-mips.org Patchwork: http://patchwork.linux-mips.org/patch/784/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2009-12-14genirq: Convert irq_desc.lock to raw_spinlockThomas Gleixner1-46/+46
Convert locks which cannot be sleeping locks in preempt-rt to raw_spinlocks. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Peter Zijlstra <peterz@infradead.org> Acked-by: Ingo Molnar <mingo@elte.hu>
2009-07-03Update Yoichi Yuasa's e-mail addressYoichi Yuasa12-21/+21
Signed-off-by: Yoichi Yuasa <yuasa@linux-mips.org> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2009-03-30cpumask: remove references to struct irqaction's mask field.Rusty Russell1-1/+0
Impact: cleanup It's unused, since about 1995. So remove all initialization of it in preparation for actually removing the field. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Acked-by: Thomas Gleixner <tglx@linutronix.de>
2008-09-16[MIPS] VR41xx: unsigned irq cannot be negativeroel kluin1-2/+4
Signed-off-by: Roel Kluin <roel.kluin@gmail.com> Acked-by: Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2008-07-15[MIPS] cmbvr4133: Remove supportYoichi Yuasa6-474/+0
It cannot be built for a long time and nobody maintains it. Signed-off-by: Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2008-04-28serial: add VR41xx SIU setup for serial consoleYoichi Yuasa2-2/+38
Add VR41xx SIU setup for serial console. Signed-off-by: Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp> Cc: Ralf Baechle <ralf@linux-mips.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-01-29[MIPS] move vr41xx_calculate_clock_frequency() to plat_time_init()Yoichi Yuasa1-2/+2
Moved vr41xx_calculate_clock_frequency() to plat_time_init(). This function relates to the timer function. Signed-off-by: Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2008-01-29[MIPS] remove unused mips_machtypeYoichi Yuasa1-2/+0
Removed unused mips_machtype. These are only set but not used. Signed-off-by: Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2008-01-29[MIPS] Converting most array size calculations to use ARRAY_SIZE().Alejandro Martinez Ruiz1-1/+1
Signed-off-by: Alejandro Martinez Ruiz <alex@flawedcode.org> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-11-26[MIPS] Only build r4k clocksource for systems that work ok with it.Ralf Baechle1-0/+6
In particular as-is it's not suited for multicore and mutiprocessors systems where there is on guarantee that the counter are synchronized or running from the same clock at all. This broke Sibyte and probably others since the "[MIPS] Handle R4000/R4400 mfc0 from count register." commit. Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-11-14mips: undo locking on error path returnsRoel Kluin1-0/+2
[akpm@linux-foundation.org: coding-style cleanups] Signed-off-by: Roel Kluin <12o3l@tiscali.nl> Cc: Ralf Baechle <ralf@linux-mips.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-10-19[MIPS] Kill duplicated setup_irq() for cp0 timerAtsushi Nemoto1-5/+0
Also many plat_timer_setup() can be killed too. Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-10-18[MIPS] time: Move R4000 clockevent device code to separate configurable fileRalf Baechle1-0/+6
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-10-11[MIPS] checkfiles: Fix "need space after that ','" errors.Ralf Baechle2-6/+6
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-10-11[MIPS] Allow hardwiring of the CPU type to a single type for optimization.Ralf Baechle7-55/+55
This saves a few k on systems which only ever ship with a single CPU type. Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-10-11[MIPS] Deforest the function pointer jungle in the time code.Ralf Baechle1-7/+1
Hard to follow who is pointing what to where and why so it's simply getting in the way of the time code renovation. Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-10-11[MIPS] ARC: Get rid of mips_machgroupRalf Baechle1-1/+0
This has not been any serious user of this ill conceived thing since the original invention in like '95. Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-10-11[MIPS] VR41xx: replace infinite loop with hibernateYoichi Yuasa1-9/+2
Signed-off-by: Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-10-11[MIPS] VR41xx: Add default restart routine.Yoichi Yuasa1-1/+6
Signed-off-by: Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-10-11[MIPS] vr41xx: add cpu_waitYoichi Yuasa1-2/+16
Add cpu_wait for NEC VR41xx Signed-off-by: Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-07-31[MIPS] Use -Werror on subdirectories which build cleanly.Ralf Baechle1-0/+2
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-07-12[MIPS] separate platform_device registration for VR41xx RTCYoichi Yuasa2-1/+118
Signed-off-by: Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-07-12[MIPS] Separate platform_device registration for VR41xx GPIOYoichi Yuasa2-1/+123
Signed-off-by: Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-07-12[MIPS] separate platform_device registration for VR41xx serial interfaceYoichi Yuasa2-1/+121
Signed-off-by: Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-04-27[MIPS] update vr41xx KconfigYoichi Yuasa1-36/+56
This patch has updated vr41xx/Kconfig. Signed-off-by: Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-02-26[MIPS] Kill redundant EXTRA_AFLAGSAtsushi Nemoto1-2/+0
Many Makefiles in arch/mips have EXTRA_AFLAGS := $(CFLAGS) line. This is redundant while AFLAGS contains $(cflags-y) and any options only listed in CFLAGS (not in cflags-y) should be unnecessary for asm sources. Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-02-06[MIPS] vr41xx: Use symbolic names for IRQ numersYoichi Yuasa1-8/+8
Signed-off-by: Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-02-06[MIPS] use name instead of typename for each irq_chipAtsushi Nemoto1-2/+2
The "typename" field was obsoleted by the "name" field. Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-02-06[MIPS] vr41xx: add MACINT controlsYoichi Yuasa1-1/+26
This patch has added MACINT controls. They are necessary for VR4133 ethernet driver. Signed-off-by: Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-02-06[MIPS] prom_free_prom_memory cleanupAtsushi Nemoto1-2/+1
Current prom_free_prom_memory() implementations are almost same as free_init_pages(), or no-op. Make free_init_pages() extern (again) and make prom_free_prom_memory() use it. Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-02-06[MIPS] Make I8259A_IRQ_BASE customizableAtsushi Nemoto1-51/+2
Move I8259A_IRQ_BASE from asm/i8259.h to asm/mach-generic/irq.h and make it really customizable. And remove I8259_IRQ_BASE declared on some platforms. Currently only NEC_CMBVR4133 is using custom I8259A_IRQ_BASE value. Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-02-06[MIPS] Define MIPS_CPU_IRQ_BASE in generic headerAtsushi Nemoto1-1/+1
The irq_base for {mips,rm7k,rm9k}_cpu_irq_init() are constant on all platforms and are same value on most platforms (0 or 16, depends on CONFIG_I8259). Define them in asm-mips/mach-generic/irq.h and make them customizable. This will save a few cycle on each CPU interrupt. A good side effect is removing some dependencies to MALTA in generic SMTC code. Although MIPS_CPU_IRQ_BASE is customizable, this patch changes irq mappings on DDB5477, EMMA2RH and MIPS_SIM, since really customizing them might cause some header dependency problem and there seems no good reason to customize it. So currently only VR41XX is using custom MIPS_CPU_IRQ_BASE value, which is 0 regardless of CONFIG_I8259. Testing this patch on those platforms is greatly appreciated. Thank you. Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-01-23[MIPS] Vr41xx: Fix after GENERIC_HARDIRQS_NO__DO_IRQ changeYoichi Yuasa1-3/+9
Signed-off-by: Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2006-12-09[MIPS] Add GENERIC_HARDIRQS_NO__DO_IRQ for i8259 usersAtsushi Nemoto2-13/+1
Now that i8259A_chip uses new irq flow handler select GENERIC_HARDIRQS_NO__DO_IRQ on some more platforms. Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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