Eric Lee / smarc-fsl-linux-kernel

09 Jan, 2012

1 commit

  • eb59c505f   Merge branch 'pm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm ... Browse Code »

    * 'pm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (76 commits)
    PM / Hibernate: Implement compat_ioctl for /dev/snapshot
    PM / Freezer: fix return value of freezable_schedule_timeout_killable()
    PM / shmobile: Allow the A4R domain to be turned off at run time
    PM / input / touchscreen: Make st1232 use device PM QoS constraints
    PM / QoS: Introduce dev_pm_qos_add_ancestor_request()
    PM / shmobile: Remove the stay_on flag from SH7372's PM domains
    PM / shmobile: Don't include SH7372's INTCS in syscore suspend/resume
    PM / shmobile: Add support for the sh7372 A4S power domain / sleep mode
    PM: Drop generic_subsys_pm_ops
    PM / Sleep: Remove forward-only callbacks from AMBA bus type
    PM / Sleep: Remove forward-only callbacks from platform bus type
    PM: Run the driver callback directly if the subsystem one is not there
    PM / Sleep: Make pm_op() and pm_noirq_op() return callback pointers
    PM/Devfreq: Add Exynos4-bus device DVFS driver for Exynos4210/4212/4412.
    PM / Sleep: Merge internal functions in generic_ops.c
    PM / Sleep: Simplify generic system suspend callbacks
    PM / Hibernate: Remove deprecated hibernation snapshot ioctls
    PM / Sleep: Fix freezer failures due to racy usermodehelper_is_disabled()
    ARM: S3C64XX: Implement basic power domain support
    PM / shmobile: Use common always on power domain governor
    ...

    Fix up trivial conflict in fs/xfs/xfs_buf.c due to removal of unused
    XBT_FORCE_SLEEP bit

    Linus Torvalds
     

22 Nov, 2011

1 commit

  • a0acae0e8   freezer: unexport refrigerator() and update try_to_freeze() slightly ... Browse Code »

    There is no reason to export two functions for entering the
    refrigerator. Calling refrigerator() instead of try_to_freeze()
    doesn't save anything noticeable or removes any race condition.

    * Rename refrigerator() to __refrigerator() and make it return bool
    indicating whether it scheduled out for freezing.

    * Update try_to_freeze() to return bool and relay the return value of
    __refrigerator() if freezing().

    * Convert all refrigerator() users to try_to_freeze().

    * Update documentation accordingly.

    * While at it, add might_sleep() to try_to_freeze().

    Signed-off-by: Tejun Heo
    Cc: Samuel Ortiz
    Cc: Chris Mason
    Cc: "Theodore Ts'o"
    Cc: Steven Whitehouse
    Cc: Andrew Morton
    Cc: Jan Kara
    Cc: KONISHI Ryusuke
    Cc: Christoph Hellwig

    Tejun Heo
     

19 Nov, 2011

1 commit

  • d632eb1bf   USB: convert drivers/net/* to use module_usb_driver() ... Browse Code »

    This converts the drivers in drivers/net/* to use the
    module_usb_driver() macro which makes the code smaller and a bit
    simpler.

    Added bonus is that it removes some unneeded kernel log messages about
    drivers loading and/or unloading.

    Cc: Wolfgang Grandegger
    Cc: Samuel Ortiz
    Cc: Oliver Neukum
    Cc: Peter Korsgaard
    Cc: Petko Manolov
    Cc: Steve Glendinning
    Cc: Christian Lamparter
    Cc: "John W. Linville"
    Cc: Dan Williams
    Cc: Jussi Kivilinna
    Cc: Ivo van Doorn
    Cc: Gertjan van Wingerde
    Cc: Helmut Schaa
    Cc: Herton Ronaldo Krzesinski
    Cc: Hin-Tak Leung
    Cc: Larry Finger
    Cc: Chaoming Li
    Cc: Lucas De Marchi
    Cc: "David S. Miller"
    Cc: Roel Kluin
    Cc: Paul Gortmaker
    Cc: Jiri Pirko
    Cc: Pavel Roskin
    Cc: Yoann DI-RUZZA
    Cc: George
    Signed-off-by: Greg Kroah-Hartman

    Greg Kroah-Hartman
     

27 Sep, 2010

1 commit

04 Dec, 2009

1 commit

  • 8e95a2026   drivers/net: Move && and || to end of previous line ... Browse Code »

    Only files where David Miller is the primary git-signer.
    wireless, wimax, ixgbe, etc are not modified.

    Compile tested x86 allyesconfig only
    Not all files compiled (not x86 compatible)

    Added a few > 80 column lines, which I ignored.
    Existing checkpatch complaints ignored.

    Signed-off-by: Joe Perches
    Signed-off-by: David S. Miller

    Joe Perches
     

01 Sep, 2009

1 commit

06 Jul, 2009

1 commit

22 Mar, 2009

1 commit

07 Jan, 2009

1 commit

  • af0490810   irda: convert to internal stats ... Browse Code »

    Convert IRDA drivers to use already existing net_device_stats structure
    in network device. This is a pre-cursor to conversion to net_device
    ops. Compile tested only.

    Signed-off-by: Stephen Hemminger
    Signed-off-by: David S. Miller

    Stephen Hemminger
     

04 Nov, 2008

1 commit

18 Oct, 2008

2 commits

29 Apr, 2008

1 commit

17 Dec, 2007

1 commit

  • ea332912b   [IRDA]: stir4200 fixes. ... Browse Code »

    From: Olaf Hartmann

    The attached patch observes the stir4200 fifo size and will clear the
    fifo, if the size is increasing, while it should be transmitting bytes

    Signed-off-by: Samuel Ortiz
    Signed-off-by: David S. Miller

    Olaf Hartmann
     

11 Oct, 2007

2 commits

26 Apr, 2007

3 commits

24 Jan, 2007

1 commit

08 Dec, 2006

1 commit

01 Nov, 2006

1 commit

05 Oct, 2006

1 commit

  • 7d12e780e   IRQ: Maintain regs pointer globally rather than passing to IRQ handlers ... Browse Code »

    Maintain a per-CPU global "struct pt_regs *" variable which can be used instead
    of passing regs around manually through all ~1800 interrupt handlers in the
    Linux kernel.

    The regs pointer is used in few places, but it potentially costs both stack
    space and code to pass it around. On the FRV arch, removing the regs parameter
    from all the genirq function results in a 20% speed up of the IRQ exit path
    (ie: from leaving timer_interrupt() to leaving do_IRQ()).

    Where appropriate, an arch may override the generic storage facility and do
    something different with the variable. On FRV, for instance, the address is
    maintained in GR28 at all times inside the kernel as part of general exception
    handling.

    Having looked over the code, it appears that the parameter may be handed down
    through up to twenty or so layers of functions. Consider a USB character
    device attached to a USB hub, attached to a USB controller that posts its
    interrupts through a cascaded auxiliary interrupt controller. A character
    device driver may want to pass regs to the sysrq handler through the input
    layer which adds another few layers of parameter passing.

    I've build this code with allyesconfig for x86_64 and i386. I've runtested the
    main part of the code on FRV and i386, though I can't test most of the drivers.
    I've also done partial conversion for powerpc and MIPS - these at least compile
    with minimal configurations.

    This will affect all archs. Mostly the changes should be relatively easy.
    Take do_IRQ(), store the regs pointer at the beginning, saving the old one:

    struct pt_regs *old_regs = set_irq_regs(regs);

    And put the old one back at the end:

    set_irq_regs(old_regs);

    Don't pass regs through to generic_handle_irq() or __do_IRQ().

    In timer_interrupt(), this sort of change will be necessary:

    - update_process_times(user_mode(regs));
    - profile_tick(CPU_PROFILING, regs);
    + update_process_times(user_mode(get_irq_regs()));
    + profile_tick(CPU_PROFILING);

    I'd like to move update_process_times()'s use of get_irq_regs() into itself,
    except that i386, alone of the archs, uses something other than user_mode().

    Some notes on the interrupt handling in the drivers:

    (*) input_dev() is now gone entirely. The regs pointer is no longer stored in
    the input_dev struct.

    (*) finish_unlinks() in drivers/usb/host/ohci-q.c needs checking. It does
    something different depending on whether it's been supplied with a regs
    pointer or not.

    (*) Various IRQ handler function pointers have been moved to type
    irq_handler_t.

    Signed-Off-By: David Howells
    (cherry picked from 1b16e7ac850969f38b375e511e3fa2f474a33867 commit)

    David Howells
     

29 Sep, 2006

1 commit

18 Jun, 2006

1 commit

05 Jan, 2006

1 commit

14 Sep, 2005

1 commit

26 Jun, 2005

1 commit

  • 3e1d1d28d   [PATCH] Cleanup patch for process freezing ... Browse Code »

    1. Establish a simple API for process freezing defined in linux/include/sched.h:

    frozen(process) Check for frozen process
    freezing(process) Check if a process is being frozen
    freeze(process) Tell a process to freeze (go to refrigerator)
    thaw_process(process) Restart process
    frozen_process(process) Process is frozen now

    2. Remove all references to PF_FREEZE and PF_FROZEN from all
    kernel sources except sched.h

    3. Fix numerous locations where try_to_freeze is manually done by a driver

    4. Remove the argument that is no longer necessary from two function calls.

    5. Some whitespace cleanup

    6. Clear potential race in refrigerator (provides an open window of PF_FREEZE
    cleared before setting PF_FROZEN, recalc_sigpending does not check
    PF_FROZEN).

    This patch does not address the problem of freeze_processes() violating the rule
    that a task may only modify its own flags by setting PF_FREEZE. This is not clean
    in an SMP environment. freeze(process) is therefore not SMP safe!

    Signed-off-by: Christoph Lameter
    Signed-off-by: Linus Torvalds

    Christoph Lameter
     

19 Apr, 2005

1 commit

  • 27d72e857   [PATCH] usb suspend updates (interface suspend) ... Browse Code »

    This is the first of a few installments of PM API updates to match the
    recent switch to "pm_message_t". This installment primarily affects
    USB device drivers (for USB interfaces), and it changes the handful of
    drivers which currently implement suspend methods:

    - and usbcore, signature change

    - Some drivers only changed the signature, net effect this just
    shuts up "sparse -Wbitwise":
    * hid-core
    * stir4200

    - Two network drivers did that, and also grew slightly more
    featureful suspend code ... they now properly shut down
    their activities. (As should stir4200...)
    * pegasus
    * usbnet

    Note that the Wake-On-Lan (WOL) support in pegasus doesn't yet work; looks
    to me like it's missing a request to turn it on, vs just configuring it.
    The ASIX code in usbnet also has WOL hooks that are ready to use; untested.

    Signed-off-by: David Brownell
    Signed-off-by: Andrew Morton
    Signed-off-by: Greg Kroah-Hartman

    Index: gregkh-2.6/drivers/net/irda/stir4200.c
    ===================================================================

    David Brownell
     

17 Apr, 2005

1 commit

  • 1da177e4c   Linux-2.6.12-rc2 ... Browse Code »

    Initial git repository build. I'm not bothering with the full history,
    even though we have it. We can create a separate "historical" git
    archive of that later if we want to, and in the meantime it's about
    3.2GB when imported into git - space that would just make the early
    git days unnecessarily complicated, when we don't have a lot of good
    infrastructure for it.

    Let it rip!

    Linus Torvalds