mirrors/linux-stable
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git synced 2024-10-29 23:53:32 +00:00
Code Issues Releases Wiki Activity
linux-stable/drivers/ide/qd65xx.h
Greg Kroah-Hartman b24413180f 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>
2017-11-02 11:10:55 +01:00

145 lines
5.8 KiB
C
Raw Blame History

/* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (c) 2000 Linus Torvalds & authors
*/
/*
* Authors: Petr Soucek <petr@ryston.cz>
* Samuel Thibault <samuel.thibault@ens-lyon.org>
*/
/* truncates a in [b,c] */
#define IDE_IN(a,b,c) ( ((a)<(b)) ? (b) : ( (a)>(c) ? (c) : (a)) )
#define IDE_IMPLY(a,b) ((!(a)) || (b))
#define QD_TIM1_PORT (base)
#define QD_CONFIG_PORT (base+0x01)
#define QD_TIM2_PORT (base+0x02)
#define QD_CONTROL_PORT (base+0x03)
#define QD_CONFIG_IDE_BASEPORT 0x01
#define QD_CONFIG_BASEPORT 0x02
#define QD_CONFIG_ID3 0x04
#define QD_CONFIG_DISABLED 0x08
#define QD_CONFIG_QD6500 0xc0
#define QD_CONFIG_QD6580_A 0xa0
#define QD_CONFIG_QD6580_B 0x50
#define QD_CONTR_SEC_DISABLED 0x01
#define QD_ID3 ((config & QD_CONFIG_ID3)!=0)
#define QD_CONFIG(hwif) ((hwif)->config_data & 0x00ff)
static inline u8 QD_TIMING(ide_drive_t *drive)
{
return (unsigned long)ide_get_drivedata(drive) & 0x00ff;
}
static inline u8 QD_TIMREG(ide_drive_t *drive)
{
return ((unsigned long)ide_get_drivedata(drive) & 0xff00) >> 8;
}
#define QD6500_DEF_DATA ((QD_TIM1_PORT<<8) | (QD_ID3 ? 0x0c : 0x08))
#define QD6580_DEF_DATA ((QD_TIM1_PORT<<8) | (QD_ID3 ? 0x0a : 0x00))
#define QD6580_DEF_DATA2 ((QD_TIM2_PORT<<8) | (QD_ID3 ? 0x0a : 0x00))
#define QD_DEF_CONTR (0x40 | ((control & 0x02) ? 0x9f : 0x1f))
#define QD_TESTVAL 0x19 /* safe value */
/* Drive specific timing taken from DOS driver v3.7 */
static struct qd65xx_timing_s {
s8 offset; /* ofset from the beginning of Model Number" */
char model[4]; /* 4 chars from Model number, no conversion */
s16 active; /* active time */
s16 recovery; /* recovery time */
} qd65xx_timing [] = {
{ 30, "2040", 110, 225 }, /* Conner CP30204 */
{ 30, "2045", 135, 225 }, /* Conner CP30254 */
{ 30, "1040", 155, 325 }, /* Conner CP30104 */
{ 30, "1047", 135, 265 }, /* Conner CP30174 */
{ 30, "5344", 135, 225 }, /* Conner CP3544 */
{ 30, "01 4", 175, 405 }, /* Conner CP-3104 */
{ 27, "C030", 175, 375 }, /* Conner CP3000 */
{ 8, "PL42", 110, 295 }, /* Quantum LP240 */
{ 8, "PL21", 110, 315 }, /* Quantum LP120 */
{ 8, "PL25", 175, 385 }, /* Quantum LP52 */
{ 4, "PA24", 110, 285 }, /* WD Piranha SP4200 */
{ 6, "2200", 110, 260 }, /* WD Caviar AC2200 */
{ 6, "3204", 110, 235 }, /* WD Caviar AC2340 */
{ 6, "1202", 110, 265 }, /* WD Caviar AC2120 */
{ 0, "DS3-", 135, 315 }, /* Teac SD340 */
{ 8, "KM32", 175, 355 }, /* Toshiba MK234 */
{ 2, "53A1", 175, 355 }, /* Seagate ST351A */
{ 2, "4108", 175, 295 }, /* Seagate ST1480A */
{ 2, "1344", 175, 335 }, /* Seagate ST3144A */
{ 6, "7 12", 110, 225 }, /* Maxtor 7213A */
{ 30, "02F4", 145, 295 }, /* Conner 3204F */
{ 2, "1302", 175, 335 }, /* Seagate ST3120A */
{ 2, "2334", 145, 265 }, /* Seagate ST3243A */
{ 2, "2338", 145, 275 }, /* Seagate ST3283A */
{ 2, "3309", 145, 275 }, /* Seagate ST3390A */
{ 2, "5305", 145, 275 }, /* Seagate ST3550A */
{ 2, "4100", 175, 295 }, /* Seagate ST1400A */
{ 2, "4110", 175, 295 }, /* Seagate ST1401A */
{ 2, "6300", 135, 265 }, /* Seagate ST3600A */
{ 2, "5300", 135, 265 }, /* Seagate ST3500A */
{ 6, "7 31", 135, 225 }, /* Maxtor 7131 AT */
{ 6, "7 43", 115, 265 }, /* Maxtor 7345 AT */
{ 6, "7 42", 110, 255 }, /* Maxtor 7245 AT */
{ 6, "3 04", 135, 265 }, /* Maxtor 340 AT */
{ 6, "61 0", 135, 285 }, /* WD AC160 */
{ 6, "1107", 135, 235 }, /* WD AC1170 */
{ 6, "2101", 110, 220 }, /* WD AC1210 */
{ 6, "4202", 135, 245 }, /* WD AC2420 */
{ 6, "41 0", 175, 355 }, /* WD Caviar 140 */
{ 6, "82 0", 175, 355 }, /* WD Caviar 280 */
{ 8, "PL01", 175, 375 }, /* Quantum LP105 */
{ 8, "PL25", 110, 295 }, /* Quantum LP525 */
{ 10, "4S 2", 175, 385 }, /* Quantum ELS42 */
{ 10, "8S 5", 175, 385 }, /* Quantum ELS85 */
{ 10, "1S72", 175, 385 }, /* Quantum ELS127 */
{ 10, "1S07", 175, 385 }, /* Quantum ELS170 */
{ 8, "ZE42", 135, 295 }, /* Quantum EZ240 */
{ 8, "ZE21", 175, 385 }, /* Quantum EZ127 */
{ 8, "ZE58", 175, 385 }, /* Quantum EZ85 */
{ 8, "ZE24", 175, 385 }, /* Quantum EZ42 */
{ 27, "C036", 155, 325 }, /* Conner CP30064 */
{ 27, "C038", 155, 325 }, /* Conner CP30084 */
{ 6, "2205", 110, 255 }, /* WDC AC2250 */
{ 2, " CHA", 140, 415 }, /* WDC AH series; WDC AH260, WDC */
{ 2, " CLA", 140, 415 }, /* WDC AL series: WDC AL2120, 2170, */
{ 4, "UC41", 140, 415 }, /* WDC CU140 */
{ 6, "1207", 130, 275 }, /* WDC AC2170 */
{ 6, "2107", 130, 275 }, /* WDC AC1270 */
{ 6, "5204", 130, 275 }, /* WDC AC2540 */
{ 30, "3004", 110, 235 }, /* Conner CP30340 */
{ 30, "0345", 135, 255 }, /* Conner CP30544 */
{ 12, "12A3", 175, 320 }, /* MAXTOR LXT-213A */
{ 12, "43A0", 145, 240 }, /* MAXTOR LXT-340A */
{ 6, "7 21", 180, 290 }, /* Maxtor 7120 AT */
{ 6, "7 71", 135, 240 }, /* Maxtor 7170 AT */
{ 12, "45\0000", 110, 205 }, /* MAXTOR MXT-540 */
{ 8, "PL11", 180, 290 }, /* QUANTUM LP110A */
{ 8, "OG21", 150, 275 }, /* QUANTUM GO120 */
{ 12, "42A5", 175, 320 }, /* MAXTOR LXT-245A */
{ 2, "2309", 175, 295 }, /* ST3290A */
{ 2, "3358", 180, 310 }, /* ST3385A */
{ 2, "6355", 180, 310 }, /* ST3655A */
{ 2, "1900", 175, 270 }, /* ST9100A */
{ 2, "1954", 175, 270 }, /* ST9145A */
{ 2, "1909", 175, 270 }, /* ST9190AG */
{ 2, "2953", 175, 270 }, /* ST9235A */
{ 2, "1359", 175, 270 }, /* ST3195A */
{ 24, "3R11", 175, 290 }, /* ALPS ELECTRIC Co.,LTD, DR311C */
{ 0, "2M26", 175, 215 }, /* M262XT-0Ah */
{ 4, "2253", 175, 300 }, /* HP C2235A */
{ 4, "-32A", 145, 245 }, /* H3133-A2 */
{ 30, "0326", 150, 270 }, /* Samsung Electronics 120MB */
{ 30, "3044", 110, 195 }, /* Conner CFA340A */
{ 30, "43A0", 110, 195 }, /* Conner CFA340A */
{ -1, " ", 175, 415 } /* unknown disk name */
};
Reference in a new issue View git blame Copy permalink