Eric Lee / smarc-fsl-linux-kernel

24 Mar, 2009

3 commits

26 Feb, 2009

2 commits

05 Feb, 2009

2 commits

12 Jan, 2009

2 commits

06 Jan, 2009

1 commit

02 Jan, 2009

1 commit

  • f4e9749f4   ALSA: Use usb_set/get_intfdata ... Browse Code »

    Use the USB functions usb_get_intfdata and usb_set_intfdata instead of
    dev_get_drvdata and dev_set_drvdata, respectively.

    The semantic patch that makes this change for the usb_get_intfdata case is
    as follows: (http://www.emn.fr/x-info/coccinelle/)

    //
    @header@
    @@

    #include

    @same depends on header@
    position p;
    @@

    usb_get_intfdata@p(...) { ... }

    @depends on header@
    position _p!=same.p;
    identifier _f;
    struct usb_interface*intf;
    @@

    _f@_p(...) { dev)
    + usb_get_intfdata(intf)
    ...+> }
    //

    Signed-off-by: Julia Lawall
    Signed-off-by: Takashi Iwai

    Julia Lawall
     

10 Dec, 2008

1 commit

15 Oct, 2008

1 commit

01 Aug, 2008

1 commit

04 Feb, 2008

1 commit

  • 2f98735c9   vm audit: add VM_DONTEXPAND to mmap for drivers that need it ... Browse Code »

    Drivers that register a ->fault handler, but do not range-check the
    offset argument, must set VM_DONTEXPAND in the vm_flags in order to
    prevent an expanding mremap from overflowing the resource.

    I've audited the tree and attempted to fix these problems (usually by
    adding VM_DONTEXPAND where it is not obvious).

    Signed-off-by: Nick Piggin
    Signed-off-by: Linus Torvalds

    Nick Piggin
     

01 Feb, 2008

2 commits

  • 9004acc70   [ALSA] Remove sound/driver.h ... Browse Code »

    This header file exists only for some hacks to adapt alsa-driver
    tree. It's useless for building in the kernel. Let's move a few
    lines in it to sound/core.h and remove it.
    With this patch, sound/driver.h isn't removed but has just a single
    compile warning to include it. This should be really killed in
    future.

    Signed-off-by: Takashi Iwai
    Signed-off-by: Jaroslav Kysela

    Takashi Iwai
     
  • eb415b8f6   [ALSA] alsa: usx2y nopage ... Browse Code »

    Convert alsa usx2y driver from nopage to fault.

    Signed-off-by: Nick Piggin
    Signed-off-by: Takashi Iwai
    Signed-off-by: Jaroslav Kysela

    Nick Piggin
     

20 Jul, 2007

1 commit

23 Jan, 2007

1 commit

  • bc6191b10   [ALSA] Repair snd-usb-usx2y over OHCI ... Browse Code »

    The previous patch 'Repair snd-usb-usx2y for usb 2.6.18' assumed
    urb->start_frame roll over beyond MAX_INT for both UHCI & OHCI.
    This isn't true until now (kernel 2.6.20).
    Fix this by only looking at the common between OHCI & UHCI Frame number
    range.
    This is for mainline and stable kernels >= 2.6.18.

    Signed-off-by: Karsten Wiese
    Signed-off-by: Takashi Iwai
    Signed-off-by: Jaroslav Kysela

    Karsten Wiese
     

08 Dec, 2006

1 commit

07 Oct, 2006

2 commits

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
     

23 Jun, 2006

1 commit

29 Mar, 2006

1 commit

22 Mar, 2006

1 commit

05 Jan, 2006

2 commits

03 Jan, 2006

3 commits

23 Nov, 2005

1 commit

  • 1cdca61bf   [PATCH] unpaged: sound nopage get_page ... Browse Code »

    Something noticed when studying use of VM_RESERVED in different drivers:
    snd_usX2Y_hwdep_pcm_vm_nopage omitted to get_page: fixed.

    And how did this work before? Aargh! That nopage is returning a page from
    within a buffer allocated by snd_malloc_pages, which allocates a high-order
    page, then does SetPageReserved on each 0-order page within.

    That would have worked in 2.6.14, because when the area was unmapped,
    PageReserved inhibited put_page. 2.6.15-rc1 removed that inhibition (while
    leaving ineffective PageReserveds around for now), but it hasn't caused
    trouble because.. we've not been freeing from VM_RESERVED at all.

    Signed-off-by: Hugh Dickins
    Signed-off-by: Andrew Morton
    Signed-off-by: Linus Torvalds

    Hugh Dickins
     

04 Nov, 2005

1 commit

12 Sep, 2005

1 commit

  • 561b220a4   [ALSA] Replace with kzalloc() - others ... Browse Code »

    Documentation,SA11xx UDA1341 driver,Generic drivers,MPU401 UART,OPL3
    OPL4,Digigram VX core,I2C cs8427,I2C lib core,I2C tea6330t,L3 drivers
    AK4114 receiver,AK4117 receiver,PDAudioCF driver,PPC PMAC driver
    SPARC AMD7930 driver,SPARC cs4231 driver,Synth,Common EMU synth
    USB generic driver,USB USX2Y
    Replace kcalloc(1,..) with kzalloc().

    Signed-off-by: Takashi Iwai

    Takashi Iwai
     

30 Aug, 2005

1 commit

28 Jul, 2005

1 commit

  • b27c187f9   [ALSA] Fix-up sleeping in sound/usb ... Browse Code »

    USB generic driver,USB USX2Y
    Description: Fix-up sleeping in sound/usb. Replace big_mdelay() with
    msleep() to guarantee the task delays as expected. This also involved
    replacing/removing custom sleep functions.

    Patch is compile-tested.

    Signed-off-by: Nishanth Aravamudan
    Signed-off-by: Jaroslav Kysela

    Nishanth Aravamudan
     

22 Jun, 2005

1 commit

29 May, 2005

2 commits

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