License cleanup: add SPDX GPL-2.0 license identifier to files with no license
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>
2017-11-01 14:07:57 +00:00
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/* SPDX-License-Identifier: GPL-2.0 */
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2014-07-04 23:10:41 +00:00
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#ifndef LINUX_BCMA_DRIVER_PCIE2_H_
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#define LINUX_BCMA_DRIVER_PCIE2_H_
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#define BCMA_CORE_PCIE2_CLK_CONTROL 0x0000
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#define PCIE2_CLKC_RST_OE 0x0001 /* When set, drives PCI_RESET out to pin */
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#define PCIE2_CLKC_RST 0x0002 /* Value driven out to pin */
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#define PCIE2_CLKC_SPERST 0x0004 /* SurvivePeRst */
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#define PCIE2_CLKC_DISABLE_L1CLK_GATING 0x0010
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#define PCIE2_CLKC_DLYPERST 0x0100 /* Delay PeRst to CoE Core */
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#define PCIE2_CLKC_DISSPROMLD 0x0200 /* DisableSpromLoadOnPerst */
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#define PCIE2_CLKC_WAKE_MODE_L2 0x1000 /* Wake on L2 */
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#define BCMA_CORE_PCIE2_RC_PM_CONTROL 0x0004
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#define BCMA_CORE_PCIE2_RC_PM_STATUS 0x0008
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#define BCMA_CORE_PCIE2_EP_PM_CONTROL 0x000C
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#define BCMA_CORE_PCIE2_EP_PM_STATUS 0x0010
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#define BCMA_CORE_PCIE2_EP_LTR_CONTROL 0x0014
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#define BCMA_CORE_PCIE2_EP_LTR_STATUS 0x0018
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#define BCMA_CORE_PCIE2_EP_OBFF_STATUS 0x001C
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#define BCMA_CORE_PCIE2_PCIE_ERR_STATUS 0x0020
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#define BCMA_CORE_PCIE2_RC_AXI_CONFIG 0x0100
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#define BCMA_CORE_PCIE2_EP_AXI_CONFIG 0x0104
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#define BCMA_CORE_PCIE2_RXDEBUG_STATUS0 0x0108
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#define BCMA_CORE_PCIE2_RXDEBUG_CONTROL0 0x010C
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#define BCMA_CORE_PCIE2_CONFIGINDADDR 0x0120
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#define BCMA_CORE_PCIE2_CONFIGINDDATA 0x0124
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#define BCMA_CORE_PCIE2_MDIOCONTROL 0x0128
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#define BCMA_CORE_PCIE2_MDIOWRDATA 0x012C
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#define BCMA_CORE_PCIE2_MDIORDDATA 0x0130
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#define BCMA_CORE_PCIE2_DATAINTF 0x0180
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#define BCMA_CORE_PCIE2_D2H_INTRLAZY_0 0x0188
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#define BCMA_CORE_PCIE2_H2D_INTRLAZY_0 0x018c
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#define BCMA_CORE_PCIE2_H2D_INTSTAT_0 0x0190
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#define BCMA_CORE_PCIE2_H2D_INTMASK_0 0x0194
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#define BCMA_CORE_PCIE2_D2H_INTSTAT_0 0x0198
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#define BCMA_CORE_PCIE2_D2H_INTMASK_0 0x019c
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#define BCMA_CORE_PCIE2_LTR_STATE 0x01A0 /* Latency Tolerance Reporting */
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#define PCIE2_LTR_ACTIVE 2
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#define PCIE2_LTR_ACTIVE_IDLE 1
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#define PCIE2_LTR_SLEEP 0
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#define PCIE2_LTR_FINAL_MASK 0x300
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#define PCIE2_LTR_FINAL_SHIFT 8
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#define BCMA_CORE_PCIE2_PWR_INT_STATUS 0x01A4
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#define BCMA_CORE_PCIE2_PWR_INT_MASK 0x01A8
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#define BCMA_CORE_PCIE2_CFG_ADDR 0x01F8
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#define BCMA_CORE_PCIE2_CFG_DATA 0x01FC
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#define BCMA_CORE_PCIE2_SYS_EQ_PAGE 0x0200
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#define BCMA_CORE_PCIE2_SYS_MSI_PAGE 0x0204
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#define BCMA_CORE_PCIE2_SYS_MSI_INTREN 0x0208
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#define BCMA_CORE_PCIE2_SYS_MSI_CTRL0 0x0210
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#define BCMA_CORE_PCIE2_SYS_MSI_CTRL1 0x0214
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#define BCMA_CORE_PCIE2_SYS_MSI_CTRL2 0x0218
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#define BCMA_CORE_PCIE2_SYS_MSI_CTRL3 0x021C
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#define BCMA_CORE_PCIE2_SYS_MSI_CTRL4 0x0220
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#define BCMA_CORE_PCIE2_SYS_MSI_CTRL5 0x0224
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#define BCMA_CORE_PCIE2_SYS_EQ_HEAD0 0x0250
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#define BCMA_CORE_PCIE2_SYS_EQ_TAIL0 0x0254
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#define BCMA_CORE_PCIE2_SYS_EQ_HEAD1 0x0258
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#define BCMA_CORE_PCIE2_SYS_EQ_TAIL1 0x025C
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#define BCMA_CORE_PCIE2_SYS_EQ_HEAD2 0x0260
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#define BCMA_CORE_PCIE2_SYS_EQ_TAIL2 0x0264
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#define BCMA_CORE_PCIE2_SYS_EQ_HEAD3 0x0268
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#define BCMA_CORE_PCIE2_SYS_EQ_TAIL3 0x026C
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#define BCMA_CORE_PCIE2_SYS_EQ_HEAD4 0x0270
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#define BCMA_CORE_PCIE2_SYS_EQ_TAIL4 0x0274
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#define BCMA_CORE_PCIE2_SYS_EQ_HEAD5 0x0278
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#define BCMA_CORE_PCIE2_SYS_EQ_TAIL5 0x027C
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#define BCMA_CORE_PCIE2_SYS_RC_INTX_EN 0x0330
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#define BCMA_CORE_PCIE2_SYS_RC_INTX_CSR 0x0334
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#define BCMA_CORE_PCIE2_SYS_MSI_REQ 0x0340
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#define BCMA_CORE_PCIE2_SYS_HOST_INTR_EN 0x0344
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#define BCMA_CORE_PCIE2_SYS_HOST_INTR_CSR 0x0348
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#define BCMA_CORE_PCIE2_SYS_HOST_INTR0 0x0350
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#define BCMA_CORE_PCIE2_SYS_HOST_INTR1 0x0354
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#define BCMA_CORE_PCIE2_SYS_HOST_INTR2 0x0358
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#define BCMA_CORE_PCIE2_SYS_HOST_INTR3 0x035C
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#define BCMA_CORE_PCIE2_SYS_EP_INT_EN0 0x0360
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#define BCMA_CORE_PCIE2_SYS_EP_INT_EN1 0x0364
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#define BCMA_CORE_PCIE2_SYS_EP_INT_CSR0 0x0370
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#define BCMA_CORE_PCIE2_SYS_EP_INT_CSR1 0x0374
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#define BCMA_CORE_PCIE2_SPROM(wordoffset) (0x0800 + ((wordoffset) * 2))
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#define BCMA_CORE_PCIE2_FUNC0_IMAP0_0 0x0C00
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#define BCMA_CORE_PCIE2_FUNC0_IMAP0_1 0x0C04
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#define BCMA_CORE_PCIE2_FUNC0_IMAP0_2 0x0C08
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#define BCMA_CORE_PCIE2_FUNC0_IMAP0_3 0x0C0C
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#define BCMA_CORE_PCIE2_FUNC0_IMAP0_4 0x0C10
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#define BCMA_CORE_PCIE2_FUNC0_IMAP0_5 0x0C14
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#define BCMA_CORE_PCIE2_FUNC0_IMAP0_6 0x0C18
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#define BCMA_CORE_PCIE2_FUNC0_IMAP0_7 0x0C1C
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#define BCMA_CORE_PCIE2_FUNC1_IMAP0_0 0x0C20
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#define BCMA_CORE_PCIE2_FUNC1_IMAP0_1 0x0C24
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#define BCMA_CORE_PCIE2_FUNC1_IMAP0_2 0x0C28
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#define BCMA_CORE_PCIE2_FUNC1_IMAP0_3 0x0C2C
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#define BCMA_CORE_PCIE2_FUNC1_IMAP0_4 0x0C30
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#define BCMA_CORE_PCIE2_FUNC1_IMAP0_5 0x0C34
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#define BCMA_CORE_PCIE2_FUNC1_IMAP0_6 0x0C38
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#define BCMA_CORE_PCIE2_FUNC1_IMAP0_7 0x0C3C
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#define BCMA_CORE_PCIE2_FUNC0_IMAP1 0x0C80
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#define BCMA_CORE_PCIE2_FUNC1_IMAP1 0x0C88
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#define BCMA_CORE_PCIE2_FUNC0_IMAP2 0x0CC0
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#define BCMA_CORE_PCIE2_FUNC1_IMAP2 0x0CC8
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#define BCMA_CORE_PCIE2_IARR0_LOWER 0x0D00
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#define BCMA_CORE_PCIE2_IARR0_UPPER 0x0D04
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#define BCMA_CORE_PCIE2_IARR1_LOWER 0x0D08
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#define BCMA_CORE_PCIE2_IARR1_UPPER 0x0D0C
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#define BCMA_CORE_PCIE2_IARR2_LOWER 0x0D10
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#define BCMA_CORE_PCIE2_IARR2_UPPER 0x0D14
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#define BCMA_CORE_PCIE2_OARR0 0x0D20
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#define BCMA_CORE_PCIE2_OARR1 0x0D28
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#define BCMA_CORE_PCIE2_OARR2 0x0D30
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#define BCMA_CORE_PCIE2_OMAP0_LOWER 0x0D40
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#define BCMA_CORE_PCIE2_OMAP0_UPPER 0x0D44
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#define BCMA_CORE_PCIE2_OMAP1_LOWER 0x0D48
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#define BCMA_CORE_PCIE2_OMAP1_UPPER 0x0D4C
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#define BCMA_CORE_PCIE2_OMAP2_LOWER 0x0D50
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#define BCMA_CORE_PCIE2_OMAP2_UPPER 0x0D54
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#define BCMA_CORE_PCIE2_FUNC1_IARR1_SIZE 0x0D58
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#define BCMA_CORE_PCIE2_FUNC1_IARR2_SIZE 0x0D5C
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#define BCMA_CORE_PCIE2_MEM_CONTROL 0x0F00
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#define BCMA_CORE_PCIE2_MEM_ECC_ERRLOG0 0x0F04
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#define BCMA_CORE_PCIE2_MEM_ECC_ERRLOG1 0x0F08
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#define BCMA_CORE_PCIE2_LINK_STATUS 0x0F0C
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#define BCMA_CORE_PCIE2_STRAP_STATUS 0x0F10
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#define BCMA_CORE_PCIE2_RESET_STATUS 0x0F14
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#define BCMA_CORE_PCIE2_RESETEN_IN_LINKDOWN 0x0F18
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#define BCMA_CORE_PCIE2_MISC_INTR_EN 0x0F1C
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#define BCMA_CORE_PCIE2_TX_DEBUG_CFG 0x0F20
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#define BCMA_CORE_PCIE2_MISC_CONFIG 0x0F24
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#define BCMA_CORE_PCIE2_MISC_STATUS 0x0F28
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#define BCMA_CORE_PCIE2_INTR_EN 0x0F30
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#define BCMA_CORE_PCIE2_INTR_CLEAR 0x0F34
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#define BCMA_CORE_PCIE2_INTR_STATUS 0x0F38
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/* PCIE gen2 config regs */
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#define PCIE2_INTSTATUS 0x090
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#define PCIE2_INTMASK 0x094
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#define PCIE2_SBMBX 0x098
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#define PCIE2_PMCR_REFUP 0x1814 /* Trefup time */
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#define PCIE2_CAP_DEVSTSCTRL2_OFFSET 0xD4
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#define PCIE2_CAP_DEVSTSCTRL2_LTRENAB 0x400
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#define PCIE2_PVT_REG_PM_CLK_PERIOD 0x184c
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struct bcma_drv_pcie2 {
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struct bcma_device *core;
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2015-02-08 16:11:49 +00:00
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u16 reqsize;
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2014-07-04 23:10:41 +00:00
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};
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#define pcie2_read16(pcie2, offset) bcma_read16((pcie2)->core, offset)
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#define pcie2_read32(pcie2, offset) bcma_read32((pcie2)->core, offset)
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#define pcie2_write16(pcie2, offset, val) bcma_write16((pcie2)->core, offset, val)
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#define pcie2_write32(pcie2, offset, val) bcma_write32((pcie2)->core, offset, val)
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#define pcie2_set32(pcie2, offset, set) bcma_set32((pcie2)->core, offset, set)
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#define pcie2_mask32(pcie2, offset, mask) bcma_mask32((pcie2)->core, offset, mask)
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#endif /* LINUX_BCMA_DRIVER_PCIE2_H_ */
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