1. 28 Jan, 2015 1 commit
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  14. 28 Aug, 2012 1 commit
    • David Flater's avatar
      ALSA: emu8000: fix emu8000 DRAM sized 512 KiB too small · 1338fc97
      David Flater authored
      v2:  Fixed result still wrong in the case of 512 KiB DRAM.  Oops.
      Applicable to 3.5.3 mainline.
      In emu8000.c, size_dram determines the amount of memory on the sound card by
      doing write/readback tests starting at 512 KiB and incrementing by 512 KiB.
      On success, detected_size is updated to the successful address and testing
      continues.  On failure, the loop is immediately exited.  The resulting
      detected_size is 512 KiB too small except in two special cases:
      1. If there is no memory, the initial 0 value of detected_size is used, which
         is correct.
      2. If the address space wraps around, detected_size is updated before the
         bailout, so the result is correct.
      The patch corrects all cases and was tested with an AWE64 Gold.  Before:
        EMU8000 [0x620]: 3584 Kb on-board memory detected
        asfxload 4GMGSMT.SF2 (4174814 B) fails.
        EMU8000 [0x620]: 4096 Kb on-board memory detected
        asfxload 4GMGSMT.SF2 succeeds.
      I do not have a card with 512 KiB to test with, but by forcibly enabling the
      added conditional I verified on the AWE64 Gold that it detects 512 KiB
      (successfully reading from the first memory location) and does not hang the
      C.f. Bug 46451 https://bugzilla.kernel.org/show_bug.cgi?id=46451
      Signed-off-by: default avatarDavid Flater <dave@flaterco.com>
      Signed-off-by: Takashi Iwai's avatarTakashi Iwai <tiwai@suse.de>
  15. 06 Feb, 2012 1 commit
  16. 19 Dec, 2011 1 commit
  17. 31 Oct, 2011 4 commits
  18. 22 Sep, 2011 1 commit
  19. 14 Sep, 2011 1 commit
    • Clemens Ladisch's avatar
      ALSA: mpu401: clean up interrupt specification · dba8b469
      Clemens Ladisch authored
      The semantics of snd_mpu401_uart_new()'s interrupt parameters are
      somewhat counterintuitive:  To prevent the function from allocating its
      own interrupt, either the irq number must be invalid, or the irq_flags
      parameter must be zero.  At the same time, the irq parameter being
      invalid specifies that the mpu401 code has to work without an interrupt
      allocated by the caller.  This implies that, if there is an interrupt
      and it is allocated by the caller, the irq parameter must be set to
      a valid-looking number which then isn't actually used.
      With the removal of IRQF_DISABLED, zero becomes a valid irq_flags value,
      which forces us to handle the parameters differently.
      This patch introduces a new flag MPU401_INFO_IRQ_HOOK for when the
      device interrupt is handled by the caller, and makes the allocation of
      the interrupt to depend only on the irq parameter.  As suggested by
      Takashi, the irq_flags parameter was dropped because, when used, it had
      the constant value IRQF_DISABLED.
      Signed-off-by: default avatarClemens Ladisch <clemens@ladisch.de>
      Signed-off-by: Takashi Iwai's avatarTakashi Iwai <tiwai@suse.de>
  20. 31 Mar, 2011 1 commit
  21. 07 Sep, 2010 1 commit
  22. 29 Jul, 2010 1 commit
  23. 10 May, 2010 1 commit
    • Krzysztof Helt's avatar
      ALSA: Merge es1688 and es968 drivers · a20971b2
      Krzysztof Helt authored
      The ESS ES968 chip is nothing more then a PnP companion
      for a non-PnP audio chip. It was paired with non-PnP ESS' chips:
      ES688 and ES1688. The ESS' audio chips are handled by the es1688
      driver in native mode. The PnP cards are handled by the ES968
      driver in SB compatible mode.
      Move the ES968 chip handling to the es1688 driver so the driver
      can handle both PnP and non-PnP cards. The es968 is removed.
      Also, a new PnP id is added for the card I acquired (the change
      was tested on this card).
      Signed-off-by: default avatarKrzysztof Helt <krzysztof.h1@wp.pl>
      Signed-off-by: Takashi Iwai's avatarTakashi Iwai <tiwai@suse.de>
  24. 26 Apr, 2010 1 commit
  25. 30 Mar, 2010 1 commit
    • Tejun Heo's avatar
      include cleanup: Update gfp.h and slab.h includes to prepare for breaking... · 5a0e3ad6
      Tejun Heo authored
      include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h
      percpu.h is included by sched.h and module.h and thus ends up being
      included when building most .c files.  percpu.h includes slab.h which
      in turn includes gfp.h making everything defined by the two files
      universally available and complicating inclusion dependencies.
      percpu.h -> slab.h dependency is about to be removed.  Prepare for
      this change by updating users of gfp and slab facilities include those
      headers directly instead of assuming availability.  As this conversion
      needs to touch large number of source files, the following script is
      used as the basis of conversion.
      The script does the followings.
      * Scan files for gfp and slab usages and update includes such that
        only the necessary includes are there.  ie. if only gfp is used,
        gfp.h, if slab is used, slab.h.
      * When the script inserts a new include, it looks at the include
        blocks and try to put the new include such that its order conforms
        to its surrounding.  It's put in the include block which contains
        core kernel includes, in the same order that the rest are ordered -
        alphabetical, Christmas tree, rev-Xmas-tree or at the end if there
        doesn't seem to be any matching order.
      * If the script can't find a place to put a new include (mostly
        because the file doesn't have fitting include block), it prints out
        an error message indicating which .h file needs to be added to the
      The conversion was done in the following steps.
      1. The initial automatic conversion of all .c files updated slightly
         over 4000 files, deleting around 700 includes and adding ~480 gfp.h
         and ~3000 slab.h inclusions.  The script emitted errors for ~400
      2. Each error was manually checked.  Some didn't need the inclusion,
         some needed manual addition while adding it to implementation .h or
         embedding .c file was more appropriate for others.  This step added
         inclusions to around 150 files.
      3. The script was run again and the output was compared to the edits
         from #2
       to make sure no file was left behind.
      4. Several build tests were done and a couple of problems were fixed.
         e.g. lib/decompress_*.c used malloc/free() wrappers around slab
         APIs requiring slab.h to be added manually.
      5. The script was run on all .h files but without automatically
         editing them as sprinkling gfp.h and slab.h inclusions around .h
         files could easily lead to inclusion dependency hell.  Most gfp.h
         inclusion directives were ignored as stuff from gfp.h was usually
         wildly available and often used in preprocessor macros.  Each
         slab.h inclusion directive was examined and added manually as
      6. percpu.h was updated not to include slab.h.
      7. Build test were done on the following configurations and failures
         were fixed.  CONFIG_GCOV_KERNEL was turned off for all tests (as my
         distributed build env didn't work with gcov compiles) and a few
         more options had to be turned off depending on archs to make things
         build (like ipr on powerpc/64 which failed due to missing writeq).
         * x86 and x86_64 UP and SMP allmodconfig and a custom test config.
         * powerpc and powerpc64 SMP allmodconfig
         * sparc and sparc64 SMP allmodconfig
         * ia64 SMP allmodconfig
         * s390 SMP allmodconfig
         * alpha SMP allmodconfig
         * um on x86_64 SMP allmodconfig
      8. percpu.h modifications were reverted so that it could be applied as
         a separate patch and serve as bisection point.
      Given the fact that I had only a couple of failures from tests on step
      6, I'm fairly confident about the coverage of this conversion patch.
      If there is a breakage, it's likely to be something in one of the arch
      headers which should be easily discoverable easily on most builds of
      the specific arch.
      Signed-off-by: default avatarTejun Heo <tj@kernel.org>
      Guess-its-ok-by: default avatarChristoph Lameter <cl@linux-foundation.org>
      Cc: Ingo Molnar <mingo@redhat.com>
      Cc: Lee Schermerhorn <Lee.Schermerhorn@hp.com>
  26. 05 Mar, 2010 1 commit
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