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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>
2013-08-02include: Convert ethernet mac address declarations to use ETH_ALENJoe Perches1-1/+2
It's convenient to have ethernet mac addresses use ETH_ALEN to be able to grep for them a bit easier and also to ensure that the addresses are __aligned(2). Add #include <linux/if_ether.h> as necessary. Signed-off-by: Joe Perches <joe@perches.com> Acked-by: Mauro Carvalho Chehab <m.chehab@samsung.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-05-31net: mv643xx_eth: add phy_node to platform_data structSebastian Hesselbarth1-0/+2
This adds a struct device_node pointer for a phy passed by phandle to mv643xx_eth node. Signed-off-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-03-22mv643xx_eth: convert to use the Marvell Orion MDIO driverFlorian Fainelli1-1/+0
This patch converts the Marvell MV643XX ethernet driver to use the Marvell Orion MDIO driver. As a result, PowerPC and ARM platforms registering the Marvell MV643XX ethernet driver are also updated to register a Marvell Orion MDIO driver. This driver voluntarily overlaps with the Marvell Ethernet shared registers because it will use a subset of this shared register (shared_base + 0x4 to shared_base + 0x84). The Ethernet driver is also updated to look up for a PHY device using the Orion MDIO bus driver. For ARM and PowerPC we register a single instance of the "mvmdio" driver in the system like it used to be done with the use of the "shared_smi" platform_data cookie on ARM. Note that it is safe to register the mvmdio driver only for the "ge00" instance of the driver because this "ge00" interface is guaranteed to always be explicitely registered by consumers of arch/arm/plat-orion/common.c and other instances (ge01, ge10 and ge11) were all pointing their shared_smi to ge00. For PowerPC the in-tree Device Tree Source files mention only one MV643XX ethernet MAC instance so the MDIO bus driver is registered only when id == 0. Signed-off-by: Florian Fainelli <florian@openwrt.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-08-15ARM: Orion: Set eth packet size csum offload limitArnaud Patard (Rtp)1-0/+2
The mv643xx ethernet controller limits the packet size for the TX checksum offloading. This patch sets this limits for Kirkwood and Dove which have smaller limits that the default. As a side note, this patch is an updated version of a patch sent some years ago: http://lists.infradead.org/pipermail/linux-arm-kernel/2010-June/017320.html which seems to have been lost. Signed-off-by: Arnaud Patard <arnaud.patard@rtp-net.org> Signed-off-by: Jason Cooper <jason@lakedaemon.net> Cc: <stable@vger.kernel.org>
2012-05-09ARM: Orion: Eth: Add clk/clkdev support.Andrew Lunn1-1/+0
The t_clk is moved from the shared part of the ethernet driver into the per port section. Each port can have its own gated clock, which it needs to enable/disable, as oppossed to there being one clock shared by all ports. In practice, only kirkwood supports this at the moment. Signed-off-by: Andrew Lunn <andrew@lunn.ch> Tested-by: Jamie Lentin <jm@lentin.co.uk> Signed-off-by: Mike Turquette <mturquette@linaro.org>
2010-07-01mv643xx_eth: use sw csum for big packetsSaeed Bishara1-0/+5
Some controllers (KW, Dove) limits the TX IP/layer4 checksum offloading to a max size. Signed-off-by: Saeed Bishara <saeed@marvell.com> Acked-by: Lennert Buytenhek <buytenh@wantstofly.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-09-05mv643xx_eth: remove force_phy_addr fieldLennert Buytenhek1-1/+4
Currently, there are two different fields in the mv643xx_eth_platform_data struct that together describe the PHY address -- one field (phy_addr) has the address of the PHY, but if that address is zero, a second field (force_phy_addr) needs to be set to distinguish the actual address zero from a zero due to not having filled in the PHY address explicitly (which should mean 'use the default PHY address'). If we are a bit smarter about the encoding of the phy_addr field, we can avoid the need for a second field -- this patch does that. Signed-off-by: Lennert Buytenhek <buytenh@marvell.com>
2008-09-05mv643xx_eth: smi sharing is a per-unit property, not a per-port oneLennert Buytenhek1-1/+1
Which top-level unit's SMI interface to use should be a property of the top-level unit, not of the individual ports. This patch moves the ->shared_smi pointer from the per-port platform data to the global platform data. Signed-off-by: Lennert Buytenhek <buytenh@marvell.com>
2008-09-05mv643xx_eth: require contiguous receive and transmit queue numberingLennert Buytenhek1-3/+3
Simplify receive and transmit queue handling by requiring the set of queue numbers to be contiguous starting from zero. Signed-off-by: Lennert Buytenhek <buytenh@marvell.com>
2008-06-12mv643xx_eth: allow multiple TX queuesLennert Buytenhek1-1/+2
As with the multiple RX queue support, allow the platform code to specify that the hardware we are running on supports multiple TX queues. This patch only uses the highest-numbered enabled queue to send packets to for now, this can be extended later to enable QoS and such. Signed-off-by: Lennert Buytenhek <buytenh@marvell.com> Acked-by: Dale Farnsworth <dale@farnsworth.org>
2008-06-12mv643xx_eth: allow multiple RX queuesLennert Buytenhek1-0/+5
Allow the platform code to specify that we are running on hardware that is capable of supporting multiple RX queues. If this option is used, initialise all of the given RX queues instead of just RX queue zero. Signed-off-by: Lennert Buytenhek <buytenh@marvell.com> Acked-by: Dale Farnsworth <dale@farnsworth.org>
2008-06-12mv643xx_eth: general cleanupLennert Buytenhek1-18/+41
General cleanup of the mv643xx_eth driver. Mainly fixes coding style / indentation issues, get rid of some useless 'volatile's, kill some more superfluous comments, and such. Signed-off-by: Lennert Buytenhek <buytenh@marvell.com> Acked-by: Dale Farnsworth <dale@farnsworth.org>
2008-04-29mv643xx_eth: inter-mv643xx SMI port sharingLennert Buytenhek1-0/+2
There exist chips with up to four mv643xx_eth silicon blocks but only one external SMI (MII management) interface -- the SMI logic of the first block is shared by all the blocks. Handle this by allowing a per-port override of which mv643xx_eth_shared's SMI registers (and spinlock) to use. Signed-off-by: Lennert Buytenhek <buytenh@marvell.com> Acked-by: Nicolas Pitre <nico@marvell.com> Signed-off-by: Dale Farnsworth <dale@farnsworth.org>
2008-04-29mv643xx_eth: shorten shared platform driver nameLennert Buytenhek1-2/+2
Change the MV643XX_ETH_SHARED_NAME platform driver name to something shorter than 19 characters, so that we can register multiple (otherwise we end up with sysfs conflicts since all instances will map to "mv643xx_eth_shared." as there is a 20-char sysfs file name limit.) Signed-off-by: Lennert Buytenhek <buytenh@marvell.com> Acked-by: Nicolas Pitre <nico@marvell.com> Signed-off-by: Dale Farnsworth <dale@farnsworth.org>
2008-04-29mv643xx_eth: configurable t_clkLennert Buytenhek1-0/+1
Make t_clk configurable via platform device data (with the current hardcoded value, 133 MHz, being the default), as it varies across different chip families. Signed-off-by: Lennert Buytenhek <buytenh@marvell.com> Acked-by: Nicolas Pitre <nico@marvell.com> Signed-off-by: Dale Farnsworth <dale@farnsworth.org>
2008-04-29mv643xx_eth: mbus decode window supportLennert Buytenhek1-0/+6
Make it possible to pass mbus_dram_target_info to the mv643xx_eth driver via the platform data, and make the mv643xx_eth driver program the window registers based on this data if it is passed in. Signed-off-by: Lennert Buytenhek <buytenh@marvell.com> Reviewed-by: Tzachi Perelstein <tzachi@marvell.com> Acked-by: Russell King <rmk+kernel@arm.linux.org.uk> Signed-off-by: Dale Farnsworth <dale@farnsworth.org>
2008-04-29mv643xx_eth: get rid of static variables, allow multiple instancesLennert Buytenhek1-0/+3
Move mv643xx_eth's static state (ethernet register block base address and MII management interface spinlock) into a struct hanging off the shared platform device. This is necessary to support chips that contain multiple mv643xx_eth silicon blocks. Signed-off-by: Lennert Buytenhek <buytenh@marvell.com> Acked-by: Nicolas Pitre <nico@marvell.com> Signed-off-by: Dale Farnsworth <dale@farnsworth.org>
2007-10-30mv643xx_eth: Fix MV643XX_ETH offsets used by Pegasos 2Dale Farnsworth1-3/+3
In the mv643xx_eth driver, we now use offsets from the ethernet register block within the chip, but the pegasos 2 platform still needs offsets from the full chip's register base address. Signed-off-by: Dale Farnsworth <dale@farnsworth.org> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2007-10-28fix breakage in pegasos_ethAl Viro1-0/+3
Fix fallout from commit b45d9147f1582333e180e1023624c003874b7312 ("mv643xx_eth: Remove unused register defines") Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-10-23mv643xx_eth: Split off mv643xx_eth platform device dataLennert Buytenhek1-0/+31
The mv643xx ethernet silicon block is also found in a couple of other Marvell chips. As a first step towards splitting off the mv643xx_eth bits from the rest of the mv643xx bits, this patch splits the mv643xx ethernet platform device data struct in linux/mv643xx.h off into linux/mv643xx_eth.h, and includes the latter from the former. Signed-off-by: Lennert Buytenhek <buytenh@marvell.com> Acked-by: Tzachi Perelstein <tzachi@marvell.com> Signed-off-by: Dale Farnsworth <dale@farnsworth.org>