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  1. 10 3月, 2007 2 次提交
  3. 05 3月, 2007 1 次提交
  5. 27 2月, 2007 1 次提交
  7. 13 2月, 2007 1 次提交
  9. 07 2月, 2007 2 次提交
  11. 05 12月, 2006 1 次提交
  13. 30 11月, 2006 3 次提交
  15. 01 11月, 2006 1 次提交
    • A
      [MIPS] Fixup migration to GENERIC_TIME · 16b7b2ac
      由 Atsushi Nemoto 提交于 
      Since we already moved to GENERIC_TIME, we should implement alternatives
of old do_gettimeoffset routines to get sub-jiffies resolution from
gettimeofday().  This patch includes:

 * MIPS clocksource support (based on works by Manish Lachwani).
 * remove unused gettimeoffset routines and related codes.
 * remove unised 64bit do_div64_32().
 * simplify mips_hpt_init. (no argument needed, __init tag)
 * simplify c0_hpt_timer_init. (no need to write to c0_count)
 * remove some hpt_init routines.
 * mips_hpt_mask variable to specify bitmask of hpt value.
 * convert jmr3927_do_gettimeoffset to jmr3927_hpt_read.
 * convert ip27_do_gettimeoffset to ip27_hpt_read.
 * convert bcm1480_do_gettimeoffset to bcm1480_hpt_read.
 * simplify sb1250 hpt functions. (no need to subtract and shift)
Signed-off-by: NAtsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: NRalf Baechle <ralf@linux-mips.org>
      16b7b2ac
  17. 20 10月, 2006 1 次提交
  19. 12 10月, 2006 1 次提交
  21. 09 10月, 2006 1 次提交
  23. 08 10月, 2006 1 次提交
  25. 04 10月, 2006 2 次提交
  27. 27 9月, 2006 1 次提交
  29. 14 7月, 2006 4 次提交
  31. 11 7月, 2006 1 次提交
  33. 01 7月, 2006 1 次提交
  35. 30 6月, 2006 2 次提交
    • R
      [MIPS] Fix build error: don't offer SMP on systems that don't have SMP. · e73ea273
      由 Ralf Baechle 提交于 
      Signed-off-by: NRalf Baechle <ralf@linux-mips.org>
      e73ea273
    • I
      [PATCH] genirq: rename desc->handler to desc->chip · d1bef4ed
      由 Ingo Molnar 提交于 
      This patch-queue improves the generic IRQ layer to be truly generic, by adding
various abstractions and features to it, without impacting existing
functionality.

While the queue can be best described as "fix and improve everything in the
generic IRQ layer that we could think of", and thus it consists of many
smaller features and lots of cleanups, the one feature that stands out most is
the new 'irq chip' abstraction.

The irq-chip abstraction is about describing and coding and IRQ controller
driver by mapping its raw hardware capabilities [and quirks, if needed] in a
straightforward way, without having to think about "IRQ flow"
(level/edge/etc.) type of details.

This stands in contrast with the current 'irq-type' model of genirq
architectures, which 'mixes' raw hardware capabilities with 'flow' details.
The patchset supports both types of irq controller designs at once, and
converts i386 and x86_64 to the new irq-chip design.

As a bonus side-effect of the irq-chip approach, chained interrupt controllers
(master/slave PIC constructs, etc.) are now supported by design as well.

The end result of this patchset intends to be simpler architecture-level code
and more consolidation between architectures.

We reused many bits of code and many concepts from Russell King's ARM IRQ
layer, the merging of which was one of the motivations for this patchset.

This patch:

rename desc->handler to desc->chip.

Originally i did not want to do this, because it's a big patch.  But having
both "desc->handler", "desc->handle_irq" and "action->handler" caused a
large degree of confusion and made the code appear alot less clean than it
truly is.

I have also attempted a dual approach as well by introducing a
desc->chip alias - but that just wasnt robust enough and broke
frequently.

So lets get over with this quickly.  The conversion was done automatically
via scripts and converts all the code in the kernel.

This renaming patch is the first one amongst the patches, so that the
remaining patches can stay flexible and can be merged and split up
without having some big monolithic patch act as a merge barrier.

[akpm@osdl.org: build fix]
[akpm@osdl.org: another build fix]
Signed-off-by: NIngo Molnar <mingo@elte.hu>
Signed-off-by: NThomas Gleixner <tglx@linutronix.de>
Signed-off-by: NAndrew Morton <akpm@osdl.org>
Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
      d1bef4ed
  37. 20 6月, 2006 4 次提交
    • T
      [MIPS] Random fixes for sb1250 · 4fb60a4b
      由 Thiemo Seufer 提交于 
      Random improvements for sb1250: Silence compiler warnings, a bugfix for
the profiling code, and a comment typo.
Signed-off-by: NThiemo Seufer <ths@networkno.de>
Signed-off-by: NRalf Baechle <ralf@linux-mips.org>
      4fb60a4b
    • T
      [MIPS] Fix bcm1480 compile · b75d4c1d
      由 Thiemo Seufer 提交于 
      Fix compilation for bcm1480, a hpt is only available on sb1250/bcm112x.
Signed-off-by: NThiemo Seufer <ths@networkno.de>
Signed-off-by: NRalf Baechle <ralf@linux-mips.org>
      b75d4c1d
    • R
      [MIPS] Cleanup memory managment initialization. · 2925aba4
      由 Ralf Baechle 提交于 
      Historically plat_mem_setup did the entire platform initialization.  This
was rather impractical because it meant plat_mem_setup had to get away
without any kind of memory allocator.  To keep old code from breaking
plat_setup was just renamed to plat_setup and a second platform
initialization hook for anything else was introduced.
Signed-off-by: NRalf Baechle <ralf@linux-mips.org>
      2925aba4
    • [
      [PATCH] Fix BCM1480 doubled process accounting times. · e1701fb2
      由 [MIPS] James E Wilson 提交于 
      Running a UP kernel on a bcm1480 board, I get nonsensical timing
results, like this:
release@unknown:~/tmp$ time ./a.out
real    0m22.906s
user    0m45.792s
sys     0m0.010s
According to my watch, this program took 23 seconds to run, so the real
time clock is OK.  It is process accounting that is broken.

I tracked this down to a problem with the function
bcm1480_timer_interrupt in the file sibyte/bcm1480/time.c.  This
function calls ll_timer_interrupt for cpu0, and ll_local_timer_interrupt
for all cpus.  However, both of these functions do process accounting.
Thus processes running on cpu0 end up with doubled times.  This is very
obvious in a UP kernel where all processes run on cpu0.

The correct way to do this is to only call ll_local_timer interrupt if
this is not cpu0.  This can be seen in the mips-board/generic/time.c
file, and also in the sibyte/sb1250/time.c file, both of which handle
this correctly.  I fixed the bcm1480/time.c file by copying over the
correct code from the sb1250/time.c file.

With this fix, I now get sensible results.
release@unknown:~/tmp$ time ./a.out
real    0m22.903s
user    0m22.894s
sys     0m0.006s
Signed-off-by: NRalf Baechle <ralf@linux-mips.org>
      e1701fb2
  39. 19 4月, 2006 1 次提交
    • R
      [MIPS] Rewrite all the assembler interrupt handlers to C. · e4ac58af
      由 Ralf Baechle 提交于 
      Saves like 1,600 lines of code, is way easier to debug, compilers
frequently do a better job than the cut and paste type of handlers many
boards had.  And finally having all the stuff done in a single place
also means alot of bug potencial for the MT ASE is gone.

The only surviving handler in assembler is the DECstation one; I hope
Maciej will rewrite it.
Signed-off-by: NRalf Baechle <ralf@linux-mips.org>
      e4ac58af
  41. 28 3月, 2006 1 次提交
  43. 19 3月, 2006 2 次提交
    • R
      [MIPS] Sibyte: Fix race in sb1250_gettimeoffset(). · a904f747
      由 Ralf Baechle 提交于 
          
From Dave Johnson <djohnson+linuxmips@sw.starentnetworks.com>:
    
sb1250_gettimeoffset() simply reads the current cpu 0 timer remaining
value, however once this counter reaches 0 and the interrupt is raised,
it immediately resets and begins to count down again.
    
If sb1250_gettimeoffset() is called on cpu 1 via do_gettimeofday() after
the timer has reset but prior to cpu 0 processing the interrupt and
taking write_seqlock() in timer_interrupt() it will return a full value
(or close to it) causing time to jump backwards 1ms. Once cpu 0 handles
the interrupt and timer_interrupt() gets far enough along it will jump
forward 1ms.
    
Fix this problem by implementing mips_hpt_*() on sb1250 using a spare
timer unrelated to the existing periodic interrupt timers. It runs at
1Mhz with a full 23bit counter.  This eliminated the custom
do_gettimeoffset() for sb1250 and allowed use of the generic
fixed_rate_gettimeoffset() using mips_hpt_*() and timerhi/timerlo.
Signed-off-by: NRalf Baechle <ralf@linux-mips.org>
      a904f747
    • R
      [MIPS] Sibyte: Fix interrupt timer off by one bug. · 4308cb16
      由 Ralf Baechle 提交于 
          
From Dave Johnson <djohnson+linuxmips@sw.starentnetworks.com>:
    
The timers need to be loaded with 1 less than the desired interval not
the interval itself.
Signed-off-by: NRalf Baechle <ralf@linux-mips.org>
      4308cb16
  45. 28 2月, 2006 1 次提交
    • R
      [MIPS] SMP: Fix initialization order bug. · 9b6695a8
      由 Ralf Baechle 提交于 
          
A recent change requires cpu_possible_map to be initialized before
smp_sched_init() but most MIPS platforms were initializing their
processors in the prom_prepare_cpus callback of smp_prepare_cpus.  The
simple fix of calling prom_prepare_cpus from one of the earlier SMP
initialization hooks doesn't work well either since IPIs may require
init_IRQ() to have completed, so bit the bullet and split
prom_prepare_cpus into two initialization functions, plat_smp_setup
which is called early from setup_arch and plat_prepare_cpus called where
prom_prepare_cpus used to be called.
Signed-off-by: NRalf Baechle <ralf@linux-mips.org>
      9b6695a8
  47. 22 2月, 2006 2 次提交
  49. 07 2月, 2006 2 次提交