Eric Lee / smarc-fsl-linux-kernel

02 Nov, 2017

1 commit

  • b24413180   License cleanup: add SPDX GPL-2.0 license identifier to files with no license ... Browse Code »

    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
    Reviewed-by: Philippe Ombredanne
    Reviewed-by: Thomas Gleixner
    Signed-off-by: Greg Kroah-Hartman

    Greg Kroah-Hartman
     

21 Apr, 2012

1 commit

  • 19244ad06   Revert "ACPI: ignore FADT reset-reg-sup flag" ... Browse Code »

    This reverts commit cf450136bfde77c7f95065c91bffded4aa7fa731.

    It breaks reboot on at least one Thinkpad T43, as reported by Jörg Otte:
    "On reboot it shuts down as normal.
    The last lines displayed are:

    >Unmounting temporary filesystems.. [OK]
    >Deactivating swap... [OK]
    >Unmounting local filesystems... [OK]
    >Will now restart
    > Restarting system

    Then I hear it accessing the cd-drive, but then it's being stuck."

    Jörg bisected the regression to this commit.

    That commit fixes another machine (see

    https://bugzilla.kernel.org/show_bug.cgi?id=11533

    for details) that has a BIOS bug and doesn't support ACPI reset.
    However, at least one of those other reporters no longer even has the
    machine in question, and had a different workaround to begin with.
    Besides, it clearly was a buggy BIOS. Let's not break the correct case
    to fix that case.

    Reported-and-bisected-by: Jörg Otte
    Cc: linux-acpi@vger.kernel.org
    Cc: Len Brown
    Cc: Peter Anvin
    Signed-off-by: Linus Torvalds

    Linus Torvalds
     

21 Mar, 2012

1 commit

23 Mar, 2011

2 commits

31 Dec, 2008

2 commits

  • 2ee626124   ACPI: reboot.c: use new acpi_reset interface ... Browse Code »

    Use new acpi_reset interface to write to reset register

    Signed-off-by: Lin Ming
    Signed-off-by: Len Brown

    Lin Ming
     
  • ecfbbc7b4   ACPICA: New: acpi_read and acpi_write public interfaces ... Browse Code »

    Changed the acpi_hw_low_level_read and acpi_hw_low_level_write functions to
    the public acpi_read and acpi_write to allow direct access to
    ACPI registers. Removed the "width" parameter since the width
    can be obtained from the input GAS structure. Updated the FADT
    initialization to setup the GAS structures with the proper
    widths. Some widths are still hardcoded because many FADTs have
    incorrect register lengths.

    Signed-off-by: Bob Moore
    Signed-off-by: Len Brown

    Bob Moore
     

07 Nov, 2008

1 commit

18 Oct, 2008

1 commit

  • 8fd145917   ACPI: Ingore the RESET_REG_SUP bit when using ACPI reset mechanism ... Browse Code »

    According to ACPI 3.0, FADT.flags.RESET_REG_SUP indicates
    whether the ACPI reboot mechanism is supported.

    However, some boxes have this bit clear, have a valid
    ACPI_RESET_REG & RESET_VALUE, and ACPI reboot is the only
    mechanism that works for them after S3.

    This suggests that other operating systems may not be checking
    the RESET_REG_SUP bit, and are using other means to decide
    whether to use the ACPI reboot mechanism or not.

    Here we stop checking RESET_REG_SUP.
    Instead, When acpi reboot is requested,
    only the reset_register is checked. If the following
    conditions are met, it indicates that the reset register is supported.
    a. reset_register is not zero
    b. the access width is eight
    c. the bit_offset is zero

    http://bugzilla.kernel.org/show_bug.cgi?id=7299
    http://bugzilla.kernel.org/show_bug.cgi?id=1148

    Signed-off-by: Zhao Yakui
    Signed-off-by: Len Brown

    Zhao Yakui
     

17 Jul, 2008

1 commit