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* License cleanup: add SPDX GPL-2.0 license identifier to files with no licenseGreg Kroah-Hartman2017-11-025-0/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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>
* soc: qcom: smd: Remove standalone driverBjorn Andersson2017-03-281-139/+0
| | | | | | | | | | | | Remove the standalone SMD implementation as we have transitioned the client drivers to use the RPMSG based one. Also remove all dependencies on QCOM_SMD from Kconfig files, in order to keep them selectable in the absence of the removed symbol. Acked-by: Andy Gross <andy.gross@linaro.org> Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* soc: qcom: smd: Transition client drivers from smd to rpmsgBjorn Andersson2017-03-281-4/+7
| | | | | | | | | | | | | | | | By moving these client drivers to use RPMSG instead of the direct SMD API we can reuse them ontop of the newly added GLINK wire-protocol support found in the 820 and 835 Qualcomm platforms. As the new (RPMSG-based) and old SMD implementations are mutually exclusive we have to change all client drivers in one commit, to make sure we have a working system before and after this transition. Acked-by: Andy Gross <andy.gross@linaro.org> Acked-by: Kalle Valo <kvalo@codeaurora.org> Acked-by: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* Merge tag 'rproc-v4.11' of git://github.com/andersson/remoteprocLinus Torvalds2017-02-231-0/+18
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Pull remoteproc updates from Bjorn Andersson: "This introduces support for booting the dedicated sensor core in the Qualcomm MSM8996, updates the Qualcomm ADSP and Hexagon drivers to utilize SMD subdevice helpers for properly handle shutdowns and restarts of the remoteproc, add virtio support to the ST remoteproc and refactor the Qualcomm Hexagon driver to handle variations between platforms. The support code for parsing, loading and authenticating Qualcomm firmware files (MDT) is refactored and move to drivers/soc/qcom, to allow for non-remoteproc drivers to utilize this. Finally it brings some cleanups to the remoteproc core" * tag 'rproc-v4.11' of git://github.com/andersson/remoteproc: (27 commits) remoteproc: qcom: mdt_loader: Use signed type for offset remoteproc: st: add virtio communication support remoteproc: st: correct probe error management remoteproc: Modify the function names remoteproc: Reduce asynchronous request_firmware to auto-boot only remoteproc: Drop qcom_scm_pas_supported() from adsp_probe() MAINTAINERS: Add missing rpmsg include path remoteproc: qcom: Use common SMD edge handler remoteproc: qcom: wcnss: Make SMD handling common remoteproc: Move qcom_mdt_loader into drivers/soc/qcom remoteproc: qcom: mdt_loader: Refactor MDT loader remoteproc: qcom: mdt_loader: Don't overwrite firmware object remoteproc: qcom: Extract non-mdt related helper remoteproc: qcom: q6v5: Decouple driver from MDT loader remoteproc: qcom: q6v5: Remove mss supply from 8916 remoteproc: qcom: fix initializers for qcom_mss_reg_res array remoteproc: Drop firmware_loading_complete remoteproc: Add RPROC_DELETED state remoteproc: Move rproc_delete_debug_dir() to rproc_del() remoteproc: qcom: Add SLPI rproc support to load and boot slpi proc. ...
| * remoteproc: Move qcom_mdt_loader into drivers/soc/qcomBjorn Andersson2017-02-061-0/+18
| | | | | | | | | | | | | | | | With the remoteproc parts cleaned out of the MDT loader we can move it to drivers/soc/qcom. Acked-by: Andy Gross <andy.gross@linaro.org> Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
* | soc: qcom: smem_state: Fix include for ERR_PTR()Bjorn Andersson2017-01-121-1/+1
|/ | | | | | | | | | The correct include file for getting errno constants and ERR_PTR() is linux/err.h, rather than linux/errno.h, so fix the include. Fixes: e8b123e60084 ("soc: qcom: smem_state: Add stubs for disabled smem_state") Acked-by: Andy Gross <andy.gross@linaro.org> Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org> Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
* soc: qcom: wcnss_ctrl: Stub wcnss_ctrl APIBjorn Andersson2016-10-241-0/+13
| | | | | | | | | Stub the wcnss_ctrl API to allow compile testing wcnss function drivers. Cc: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org> Acked-by: Andy Gross <andy.gross@linaro.org> Signed-off-by: Andy Gross <andy.gross@linaro.org>
* soc: qcom: smd: Represent smd edges as devicesBjorn Andersson2016-08-231-0/+18
| | | | | | | | | By representing each edge as its own device the channels are no longer tied to being parented by the same smd device and as such an edge can live as children of e.g. remoteproc instances. Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org> Signed-off-by: Andy Gross <andy.gross@linaro.org>
* soc: qcom: smd: Simplify multi channel handlingBjorn Andersson2016-08-231-0/+7
| | | | | | | | | | | | | | | Multi-channel clients split between several drivers need a way to close individual channels, as these drivers might be removed individually. With this in place the responsibility of closing additionally opened channels to the client as well only concerning smd about the primary channel. With this approach we will only trigger removal of SMD devices based on the state of the primary channel, however we get in sync with how rpmsg works. Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org> Signed-off-by: Andy Gross <andy.gross@linaro.org>
* soc: qcom: smd: Correct compile stub prototypesBjorn Andersson2016-08-231-2/+2
| | | | | | | | | The prototypes for the compile stubs was not properly marked as static inline, this patch corrects this. Fixes: f79a917e69e1 ("Merge tag 'qcom-soc-for-4.7-2' into net-next") Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org> Signed-off-by: Andy Gross <andy.gross@linaro.org>
* soc: qcom: wcnss_ctrl: Make wcnss_ctrl parent the other componentsBjorn Andersson2016-06-241-0/+8
| | | | | | | | | | | | | We need the signal from wcnss_ctrl indicating that the firmware is up and running before we can communicate with the other components of the chip. So make these other components children of the wcnss_ctrl device, so they can be probed in order. The process seems to take between 1/2-5 seconds, so this is done in a worker, instead of holding up the probe. Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org> Signed-off-by: Andy Gross <andy.gross@linaro.org>
* Merge tag 'qcom-soc-for-4.7-2' into net-nextBjorn Andersson2016-05-132-1/+67
|\ | | | | | | | | | | | | This merges the Qualcomm SOC tree with the net-next, solving the merge conflict in the SMD API between the two. Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
| * soc: qcom: smd: Make callback pass channel referenceBjorn Andersson2016-04-191-2/+5
| | | | | | | | | | | | | | | | | | | | | | By passing the smd channel reference to the callback, rather than the smd device, we can open additional smd channels from sub-devices of smd devices. Also updates the two smd clients today found in mainline. Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org> Signed-off-by: Andy Gross <andy.gross@linaro.org>
| * soc: qcom: smd: Support opening additional channelsBjorn Andersson2016-03-301-0/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | With the qcom_smd_open_channel() API we allow SMD devices to open additional SMD channels, to allow implementation of multi-channel SMD devices - like Bluetooth. Channels are opened from the same edge as the calling SMD device is tied to. Signed-off-by: Bjorn Andersson <bjorn.andersson@sonymobile.com> Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org> Signed-off-by: Andy Gross <andy.gross@linaro.org>
| * soc: qcom: smd: Introduce callback setterBjorn Andersson2016-03-301-1/+3
| | | | | | | | | | | | | | | | | | Introduce a setter for the callback function pointer to clarify the locking around the operation and to reduce some duplication. Signed-off-by: Bjorn Andersson <bjorn.andersson@sonymobile.com> Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org> Signed-off-by: Andy Gross <andy.gross@linaro.org>
| * soc: qcom: smem_state: Add stubs for disabled smem_stateBjorn Andersson2016-03-301-0/+35
| | | | | | | | | | Signed-off-by: Bjorn Andersson <bjorn.andersson@sonymobile.com> Signed-off-by: Andy Gross <andy.gross@linaro.org>
* | soc: qcom: smd: Introduce compile stubsBjorn Andersson2016-05-081-1/+27
|/ | | | | | | | | Introduce compile stubs for the SMD API, allowing consumers to be compile tested. Acked-by: Andy Gross <andy.gross@linaro.org> Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* soc: qcom: Introduce common SMEM state machine codeBjorn Andersson2015-12-081-0/+18
| | | | | | | | This implements a common API for handling and exposing SMP2P and SMSM state information. Signed-off-by: Bjorn Andersson <bjorn.andersson@sonymobile.com> Signed-off-by: Andy Gross <agross@codeaurora.org>
* soc: qcom: Make qcom_smem_get() return a pointerStephen Boyd2015-10-141-1/+1
| | | | | | | | | | | | | Passing a void ** almost always requires a cast at the call site. Instead of littering the code with casts every time this function is called, have qcom_smem_get() return a void pointer to the location of the smem item. This frees the caller from having to cast the pointer. Cc: Bjorn Andersson <bjorn.andersson@sonymobile.com> Signed-off-by: Stephen Boyd <sboyd@codeaurora.org> Reviewed-by: Bjorn Andersson <bjorn.andersson@sonymobile.com> Signed-off-by: Andy Gross <agross@codeaurora.org>
* soc: qcom: smd: Implement id_table driver matchingBjorn Andersson2015-10-141-0/+11
| | | | | | | | | Implement a id_table based driver maching mechanism for drivers that binds to fixed channels and doesn't need any additional configuration, e.g. IPCRTR and DIAG. Signed-off-by: Bjorn Andersson <bjorn.andersson@sonymobile.com> Signed-off-by: Andy Gross <agross@codeaurora.org>
* soc: qcom: Driver for the Qualcomm RPM over SMDBjorn Andersson2015-07-291-0/+35
| | | | | | | | | | Driver for the Resource Power Manager (RPM) found in Qualcomm 8974 based devices. The driver exposes resources that child drivers can operate on; to implementing regulator, clock and bus frequency drivers. Signed-off-by: Bjorn Andersson <bjorn.andersson@sonymobile.com> Signed-off-by: Andy Gross <agross@codeaurora.org>
* soc: qcom: Add Shared Memory DriverBjorn Andersson2015-07-291-0/+46
| | | | | | | | This adds the Qualcomm Shared Memory Driver (SMD) providing communication channels to remote processors, ontop of SMEM. Signed-off-by: Bjorn Andersson <bjorn.andersson@sonymobile.com> Signed-off-by: Andy Gross <agross@codeaurora.org>
* soc: qcom: Add Shared Memory Manager driverBjorn Andersson2015-07-281-0/+11
The Shared Memory Manager driver implements an interface for allocating and accessing items in the memory area shared among all of the processors in a Qualcomm platform. Signed-off-by: Bjorn Andersson <bjorn.andersson@sonymobile.com> Acked-by: Andy Gross <agross@codeaurora.org> Signed-off-by: Andy Gross <agross@codeaurora.org>