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Commit Graph

153 Commits

Author SHA1 Message Date
Finn Thain
80614e5ab1 mac68k: replace mac68k SCC code with platform device
Remove the old 68k Mac serial port code and a lot of related cruft. Add
new SCC platform devices to mac 68k platform.

Signed-off-by: Finn Thain <fthain@telegraphics.com.au>
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
2010-02-27 18:31:09 +01:00
Maxim Kuvyrkov
145452649d m68k: Fix asm/swab.h for ColdFire
Make asm/swab.h compatible with ColdFire ISA_B CPUs.

Signed-off-by: Maxim Kuvyrkov <maxim@codesourcery.com>
Acked-by: Greg Ungerer <gerg@uclinux.org>
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
2010-02-27 18:27:13 +01:00
Greg Ungerer
682137f7e6 m68knommu: fix definitions of __pa() and __va()
Fix compilation breakage of all m68knommu targets:

  CC      arch/m68knommu/kernel/asm-offsets.s
In file included from include/linux/sched.h:77,
                 from arch/m68knommu/kernel/asm-offsets.c:12:
include/linux/percpu.h: In function 'per_cpu_ptr_to_phys':
include/linux/percpu.h:161: error: implicit declaration of function 'virt_to_phy

This is broken in linux-2.6.33-rc3.

Change the definitions of __pa() and __va() to not use virt_to_phys()
and phys_to_virt(). Trivial 1:1 conversion required for the non-MMU case.

A side effect if this is that the m68knommu can now use asm/virtconvert.h
for the definition of virt_to_phys() and phys_to_virt().

Also cleaned up the definition of page_to_phys() when moving into
virtconvert.h.

Signed-off-by: Greg Ungerer <gerg@uclinux.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-01-12 20:51:45 -08:00
Linus Torvalds
5a865c0606 Merge branch 'for-33' of git://repo.or.cz/linux-kbuild
* 'for-33' of git://repo.or.cz/linux-kbuild: (29 commits)
  net: fix for utsrelease.h moving to generated
  gen_init_cpio: fixed fwrite warning
  kbuild: fix make clean after mismerge
  kbuild: generate modules.builtin
  genksyms: properly consider  EXPORT_UNUSED_SYMBOL{,_GPL}()
  score: add asm/asm-offsets.h wrapper
  unifdef: update to upstream revision 1.190
  kbuild: specify absolute paths for cscope
  kbuild: create include/generated in silentoldconfig
  scripts/package: deb-pkg: use fakeroot if available
  scripts/package: add KBUILD_PKG_ROOTCMD variable
  scripts/package: tar-pkg: use tar --owner=root
  Kbuild: clean up marker
  net: add net_tstamp.h to headers_install
  kbuild: move utsrelease.h to include/generated
  kbuild: move autoconf.h to include/generated
  drop explicit include of autoconf.h
  kbuild: move compile.h to include/generated
  kbuild: drop include/asm
  kbuild: do not check for include/asm-$ARCH
  ...

Fixed non-conflicting clean merge of modpost.c as per comments from
Stephen Rothwell (modpost.c had grown an include of linux/autoconf.h
that needed to be changed to generated/autoconf.h)
2009-12-17 07:23:42 -08:00
Christoph Hellwig
698ba7b5a3 elf: kill USE_ELF_CORE_DUMP
Currently all architectures but microblaze unconditionally define
USE_ELF_CORE_DUMP.  The microblaze omission seems like an error to me, so
let's kill this ifdef and make sure we are the same everywhere.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Hugh Dickins <hugh.dickins@tiscali.co.uk>
Cc: <linux-arch@vger.kernel.org>
Cc: Michal Simek <michal.simek@petalogix.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-12-16 07:20:12 -08:00
Linus Torvalds
d0316554d3 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/percpu
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/percpu: (34 commits)
  m68k: rename global variable vmalloc_end to m68k_vmalloc_end
  percpu: add missing per_cpu_ptr_to_phys() definition for UP
  percpu: Fix kdump failure if booted with percpu_alloc=page
  percpu: make misc percpu symbols unique
  percpu: make percpu symbols in ia64 unique
  percpu: make percpu symbols in powerpc unique
  percpu: make percpu symbols in x86 unique
  percpu: make percpu symbols in xen unique
  percpu: make percpu symbols in cpufreq unique
  percpu: make percpu symbols in oprofile unique
  percpu: make percpu symbols in tracer unique
  percpu: make percpu symbols under kernel/ and mm/ unique
  percpu: remove some sparse warnings
  percpu: make alloc_percpu() handle array types
  vmalloc: fix use of non-existent percpu variable in put_cpu_var()
  this_cpu: Use this_cpu_xx in trace_functions_graph.c
  this_cpu: Use this_cpu_xx for ftrace
  this_cpu: Use this_cpu_xx in nmi handling
  this_cpu: Use this_cpu operations in RCU
  this_cpu: Use this_cpu ops for VM statistics
  ...

Fix up trivial (famous last words) global per-cpu naming conflicts in
	arch/x86/kvm/svm.c
	mm/slab.c
2009-12-14 09:58:24 -08:00
Sam Ravnborg
559df2e021 kbuild: move asm-offsets.h to include/generated
The simplest method was to add an extra asm-offsets.h
file in arch/$ARCH/include/asm that references the generated file.

We can now migrate the architectures one-by-one to reference
the generated file direct - and when done we can delete the
temporary arch/$ARCH/include/asm/asm-offsets.h file.

Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Michal Marek <mmarek@suse.cz>
2009-12-12 13:08:14 +01:00
Linus Torvalds
4ef58d4e2a Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial: (42 commits)
  tree-wide: fix misspelling of "definition" in comments
  reiserfs: fix misspelling of "journaled"
  doc: Fix a typo in slub.txt.
  inotify: remove superfluous return code check
  hdlc: spelling fix in find_pvc() comment
  doc: fix regulator docs cut-and-pasteism
  mtd: Fix comment in Kconfig
  doc: Fix IRQ chip docs
  tree-wide: fix assorted typos all over the place
  drivers/ata/libata-sff.c: comment spelling fixes
  fix typos/grammos in Documentation/edac.txt
  sysctl: add missing comments
  fs/debugfs/inode.c: fix comment typos
  sgivwfb: Make use of ARRAY_SIZE.
  sky2: fix sky2_link_down copy/paste comment error
  tree-wide: fix typos "couter" -> "counter"
  tree-wide: fix typos "offest" -> "offset"
  fix kerneldoc for set_irq_msi()
  spidev: fix double "of of" in comment
  comment typo fix: sybsystem -> subsystem
  ...
2009-12-09 19:43:33 -08:00
Linus Torvalds
701791cc3c Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu:
  m68knommu: export clk_* symbols in clk.c
  m68knommu: Split the .init section into INIT_TEXT_SECTION and INIT_DATA_SECTION.
  m68knommu: Move __init_end out of the .init section.
  m68knommu: Move __init_begin out of the .init section.
  m68knommu: Use more macros inside the .init section.
  m68knommu: Use INIT_TASK_DATA and CACHELINE_ALIGNED_DATA.
  m68knommu: Make THREAD_SIZE available to assembly files.
  m68knommu: Don't hardcode the value of PAGE_SIZE in the linker script.
  m68knommu: rename BSS define in linker script
  m68knommu: add a task_pt_regs() macro
  m68knommu: define arch_has_single_step() and friends
  m68knommu: add uboot commandline argument passing support
  m68knommu: Coldfire GPIO corrections
  m68knommu: move mcf_remove to .devexit.text

Fixed up (?) conflict in arch/m68k/include/asm/ptrace.h
2009-12-09 19:09:42 -08:00
Tejun Heo
51e99be00c m68k: rename global variable vmalloc_end to m68k_vmalloc_end
On SUN3, m68k defines macro VMALLOC_END as unsigned long variable
vmalloc_end which is adjusted from mmu_emu_init().  This becomes
problematic if a local variables vmalloc_end is defined in some
function (not very unlikely) and VMALLOC_END is used in the function -
the function thinks its referencing the global VMALLOC_END value but
would be referencing its own local vmalloc_end variable.

Rename the global variable to m68k_vmlloc_end which is much less
likely to be used as local variable name.

Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Roman Zippel <zippel@linux-m68k.org>
2009-12-09 17:43:19 +09:00
Linus Torvalds
6035ccd8e9 Merge branch 'for-2.6.33' of git://git.kernel.dk/linux-2.6-block
* 'for-2.6.33' of git://git.kernel.dk/linux-2.6-block: (113 commits)
  cfq-iosched: Do not access cfqq after freeing it
  block: include linux/err.h to use ERR_PTR
  cfq-iosched: use call_rcu() instead of doing grace period stall on queue exit
  blkio: Allow CFQ group IO scheduling even when CFQ is a module
  blkio: Implement dynamic io controlling policy registration
  blkio: Export some symbols from blkio as its user CFQ can be a module
  block: Fix io_context leak after failure of clone with CLONE_IO
  block: Fix io_context leak after clone with CLONE_IO
  cfq-iosched: make nonrot check logic consistent
  io controller: quick fix for blk-cgroup and modular CFQ
  cfq-iosched: move IO controller declerations to a header file
  cfq-iosched: fix compile problem with !CONFIG_CGROUP
  blkio: Documentation
  blkio: Wait on sync-noidle queue even if rq_noidle = 1
  blkio: Implement group_isolation tunable
  blkio: Determine async workload length based on total number of queues
  blkio: Wait for cfq queue to get backlogged if group is empty
  blkio: Propagate cgroup weight updation to cfq groups
  blkio: Drop the reference to queue once the task changes cgroup
  blkio: Provide some isolation between groups
  ...
2009-12-08 08:19:16 -08:00
Linus Torvalds
adf9904dc7 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k:
  m68k: parport_mfc3 - Not makes it a bool before the comparison.
  m68k: don't export static inline functions
  fbdev: atafb - add palette register check
  m68k: Remove the BKL from sys_execve
  m68k: Cleanup linker scripts using new linker script macros.
  m68k: Make thread_info.h usable from assembly.
  m68knommu: define arch_has_single_step() and friends
  m68k: ptrace fixes
  m68k: use generic code for ptrace requests
  rtc: Add an RTC driver for the Ricoh RP5C01
  rtc: Add an RTC driver for the Oki MSM6242
2009-12-08 08:13:35 -08:00
Tim Abbott
5cdef24b2a m68k: Make thread_info.h usable from assembly.
[Geert] <asm/thread_info_mm.h> pulls in <asm/current.h>, which contains C only.
So the include must be moved inside #ifndef __ASSEMBLY__.

Signed-off-by: Tim Abbott <tabbott@ksplice.com>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Roman Zippel <zippel@linux-m68k.org>
Cc: linux-m68k@lists.linux-m68k.org
Cc: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
2009-12-06 11:18:24 +01:00
Greg Ungerer
f60a557267 m68knommu: define arch_has_single_step() and friends
Towards adding CONFIG_UTRACE support for non-mmu m68k add
arch_has_single_step, and its support functions user_enable_single_step()
and user_disable_single_step().
[Geert] m68k conflict resolution from linux-next

Signed-off-by: Greg Ungerer <gerg@uclinux.org>
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
2009-12-06 11:18:23 +01:00
Andreas Schwab
faa47b4669 m68k: use generic code for ptrace requests
Remove all but PTRACE_{PEEK,POKE}USR and PTRACE_{GET,SET}{REGS,FPREGS}
from arch_ptrace and let the rest be handled by generic code.  Define
PTRACE_SINGLEBLOCK to enable singleblock tracing.
[Geert] Not yet applicable for m68knommu

Signed-off-by: Andreas Schwab <schwab@linux-m68k.org>
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
2009-12-04 21:22:35 +01:00
André Goddard Rosa
af901ca181 tree-wide: fix assorted typos all over the place
That is "success", "unknown", "through", "performance", "[re|un]mapping"
, "access", "default", "reasonable", "[con]currently", "temperature"
, "channel", "[un]used", "application", "example","hierarchy", "therefore"
, "[over|under]flow", "contiguous", "threshold", "enough" and others.

Signed-off-by: André Goddard Rosa <andre.goddard@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2009-12-04 15:39:55 +01:00
Tim Abbott
d6cd1f0c38 m68knommu: Make THREAD_SIZE available to assembly files.
Signed-off-by: Tim Abbott <tabbott@ksplice.com>
Cc: Greg Ungerer <gerg@uclinux.org>
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
2009-12-04 11:45:31 +10:00
Greg Ungerer
c23b6538d0 m68knommu: add a task_pt_regs() macro
Add a task_pt_regs() macro as per the CONFIG_UTRACE requirements.

Signed-off-by: Greg Ungerer <gerg@uclinux.org>
2009-12-04 11:45:30 +10:00
Greg Ungerer
193f087d49 m68knommu: define arch_has_single_step() and friends
Towards adding CONFIG_UTRACE support for non-mmu m68k add
arch_has_single_step, and its support functions user_enable_single_step()
and user_disable_single_step().

Signed-off-by: Greg Ungerer <gerg@uclinux.org>
2009-12-04 11:45:30 +10:00
Ilya Loginov
2d4dc890b5 block: add helpers to run flush_dcache_page() against a bio and a request's pages
Mtdblock driver doesn't call flush_dcache_page for pages in request.  So,
this causes problems on architectures where the icache doesn't fill from
the dcache or with dcache aliases.  The patch fixes this.

The ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE symbol was introduced to avoid
pointless empty cache-thrashing loops on architectures for which
flush_dcache_page() is a no-op.  Every architecture was provided with this
flush pages on architectires where ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE is
equal 1 or do nothing otherwise.

See "fix mtd_blkdevs problem with caches on some architectures" discussion
on LKML for more information.

Signed-off-by: Ilya Loginov <isloginov@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: David Woodhouse <dwmw2@infradead.org>
Cc: Peter Horton <phorton@bitbox.co.uk>
Cc: "Ed L. Cashin" <ecashin@coraid.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2009-11-26 09:16:19 +01:00
Neil Horman
3b885787ea net: Generalize socket rx gap / receive queue overflow cmsg
Create a new socket level option to report number of queue overflows

Recently I augmented the AF_PACKET protocol to report the number of frames lost
on the socket receive queue between any two enqueued frames.  This value was
exported via a SOL_PACKET level cmsg.  AFter I completed that work it was
requested that this feature be generalized so that any datagram oriented socket
could make use of this option.  As such I've created this patch, It creates a
new SOL_SOCKET level option called SO_RXQ_OVFL, which when enabled exports a
SOL_SOCKET level cmsg that reports the nubmer of times the sk_receive_queue
overflowed between any two given frames.  It also augments the AF_PACKET
protocol to take advantage of this new feature (as it previously did not touch
sk->sk_drops, which this patch uses to record the overflow count).  Tested
successfully by me.

Notes:

1) Unlike my previous patch, this patch simply records the sk_drops value, which
is not a number of drops between packets, but rather a total number of drops.
Deltas must be computed in user space.

2) While this patch currently works with datagram oriented protocols, it will
also be accepted by non-datagram oriented protocols. I'm not sure if thats
agreeable to everyone, but my argument in favor of doing so is that, for those
protocols which aren't applicable to this option, sk_drops will always be zero,
and reporting no drops on a receive queue that isn't used for those
non-participating protocols seems reasonable to me.  This also saves us having
to code in a per-protocol opt in mechanism.

3) This applies cleanly to net-next assuming that commit
977750076d (my af packet cmsg patch) is reverted

Signed-off-by: Neil Horman <nhorman@tuxdriver.com>
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2009-10-12 13:26:31 -07:00
Andrew Morton
a28b3dc909 revert "m68k: convert to asm-generic/hardirq.h"
Revert 45d80eea87 ("m68k: convert to
asm-generic/hardirq.h") - it fails to compile due to an inclusion tangle:

In file included from include/linux/irq.h:12,
                 from include/asm-generic/hardirq.h:6,
                 from /usr/src/devel/arch/m68k/include/asm/hardirq_mm.h:6,
                 from /usr/src/devel/arch/m68k/include/asm/hardirq.h:4,
                 from include/linux/hardirq.h:10,
                 from /usr/src/devel/arch/m68k/include/asm/system_mm.h:69,
                 from /usr/src/devel/arch/m68k/include/asm/system.h:4,
                 from include/linux/list.h:7,
                 from include/linux/preempt.h:11,
                 from include/linux/spinlock.h:50,
                 from include/linux/seqlock.h:29,
                 from include/linux/time.h:8,
                 from include/linux/timex.h:56,
                 from include/linux/sched.h:56,
                 from arch/m68k/kernel/asm-offsets.c:14:
include/linux/smp.h:17: error: field 'list' has incomplete type

Cc: Christoph Hellwig <hch@lst.de>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-10-01 16:11:11 -07:00
Christoph Hellwig
45d80eea87 m68k: convert to asm-generic/hardirq.h
Signed-off-by: Christoph Hellwig <hch@lst.de>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-09-22 07:17:44 -07:00
Arnd Bergmann
6e17b17f1f mm: remove duplicate asm/mman.h files
A number of architectures have identical asm/mman.h files so they can all
be merged by using the new generic file.

The remaining asm/mman.h files are substantially different from each
other.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Cc: <linux-arch@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-09-22 07:17:42 -07:00
Arnd Bergmann
90f72aa58b mm: add MAP_HUGETLB for mmaping pseudo-anonymous huge page regions
Add a flag for mmap that will be used to request a huge page region that
will look like anonymous memory to user space.  This is accomplished by
using a file on the internal vfsmount.  MAP_HUGETLB is a modifier of
MAP_ANONYMOUS and so must be specified with it.  The region will behave
the same as a MAP_ANONYMOUS region using small pages.

The patch also adds the MAP_STACK flag, which was previously defined only
on some architectures but not on others.  Since MAP_STACK is meant to be a
hint only, architectures can define it without assigning a specific
meaning to it.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Cc: Eric B Munson <ebmunson@us.ibm.com>
Cc: Hugh Dickins <hugh.dickins@tiscali.co.uk>
Cc: David Rientjes <rientjes@google.com>
Cc: <linux-arch@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-09-22 07:17:41 -07:00
Ingo Molnar
cdd6c482c9 perf: Do the big rename: Performance Counters -> Performance Events
Bye-bye Performance Counters, welcome Performance Events!

In the past few months the perfcounters subsystem has grown out its
initial role of counting hardware events, and has become (and is
becoming) a much broader generic event enumeration, reporting, logging,
monitoring, analysis facility.

Naming its core object 'perf_counter' and naming the subsystem
'perfcounters' has become more and more of a misnomer. With pending
code like hw-breakpoints support the 'counter' name is less and
less appropriate.

All in one, we've decided to rename the subsystem to 'performance
events' and to propagate this rename through all fields, variables
and API names. (in an ABI compatible fashion)

The word 'event' is also a bit shorter than 'counter' - which makes
it slightly more convenient to write/handle as well.

Thanks goes to Stephane Eranian who first observed this misnomer and
suggested a rename.

User-space tooling and ABI compatibility is not affected - this patch
should be function-invariant. (Also, defconfigs were not touched to
keep the size down.)

This patch has been generated via the following script:

  FILES=$(find * -type f | grep -vE 'oprofile|[^K]config')

  sed -i \
    -e 's/PERF_EVENT_/PERF_RECORD_/g' \
    -e 's/PERF_COUNTER/PERF_EVENT/g' \
    -e 's/perf_counter/perf_event/g' \
    -e 's/nb_counters/nb_events/g' \
    -e 's/swcounter/swevent/g' \
    -e 's/tpcounter_event/tp_event/g' \
    $FILES

  for N in $(find . -name perf_counter.[ch]); do
    M=$(echo $N | sed 's/perf_counter/perf_event/g')
    mv $N $M
  done

  FILES=$(find . -name perf_event.*)

  sed -i \
    -e 's/COUNTER_MASK/REG_MASK/g' \
    -e 's/COUNTER/EVENT/g' \
    -e 's/\<event\>/event_id/g' \
    -e 's/counter/event/g' \
    -e 's/Counter/Event/g' \
    $FILES

... to keep it as correct as possible. This script can also be
used by anyone who has pending perfcounters patches - it converts
a Linux kernel tree over to the new naming. We tried to time this
change to the point in time where the amount of pending patches
is the smallest: the end of the merge window.

Namespace clashes were fixed up in a preparatory patch - and some
stylistic fallout will be fixed up in a subsequent patch.

( NOTE: 'counters' are still the proper terminology when we deal
  with hardware registers - and these sed scripts are a bit
  over-eager in renaming them. I've undone some of that, but
  in case there's something left where 'counter' would be
  better than 'event' we can undo that on an individual basis
  instead of touching an otherwise nicely automated patch. )

Suggested-by: Stephane Eranian <eranian@google.com>
Acked-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Acked-by: Paul Mackerras <paulus@samba.org>
Reviewed-by: Arjan van de Ven <arjan@linux.intel.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: David Howells <dhowells@redhat.com>
Cc: Kyle McMartin <kyle@mcmartin.ca>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: <linux-arch@vger.kernel.org>
LKML-Reference: <new-submission>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-09-21 14:28:04 +02:00
Linus Torvalds
66bc4a6f34 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu: (53 commits)
  m68knommu: Make PAGE_SIZE available to assembly files.
  m68knommu: fix ColdFire definition of CLOCK_TICK_RATE
  m68knommu: set multi-function pins for ethernet when enabled
  m68knommu: remove special interrupt handling code for ne2k support
  m68knommu: relax IO_SPACE_LIMIT setting
  m68knommu: remove ColdFire direct interrupt register access
  m68knommu: create a speciailized ColdFire 5272 interrupt controller
  m68knommu: add support for second interrupt controller of ColdFire 5249
  m68knommu: clean up old ColdFire timer irq setup
  m68knommu: map ColdFire interrupts to correct masking bits
  m68knommu: clean up ColdFire 532x CPU timer setup
  m68knommu: simplify ColdFire "timers" clock initialization
  m68knommu: support code to mask external interrupts on old ColdFire CPU's
  m68knommu: merge old ColdFire interrupt controller masking macros
  m68knommu: remove duplicate ColdFire mcf_autovector() code
  m68knommu: move ColdFire INTC definitions to new include file
  m68knommu: mask off all interrupts in ColdFire intc-simr controller
  m68knommu: remove timer device interrupt setup for ColdFire 532x
  m68knommu: remove interrupt masking from ColdFire pit timer
  m68knommu: remove unecessary interrupt level setting in ColdFire 520x setup
  ...
2009-09-17 09:52:43 -07:00
Tim Abbott
2985709d7f m68knommu: Make PAGE_SIZE available to assembly files.
Signed-off-by: Tim Abbott <tabbott@ksplice.com>
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
2009-09-16 09:43:57 +10:00
Philippe De Muyter
2756730b79 m68knommu: fix ColdFire definition of CLOCK_TICK_RATE
The good definition of CLOCK_TICK_RATE for coldfires has been lost in the
merge of m68k and m68knommu include files.  Restore it.  Culprit :
commit ebafc17468

Signed-off-by: Philippe De Muyter <phdm@macqel.be>
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
2009-09-16 09:43:56 +10:00
Greg Ungerer
d89395babb m68knommu: remove special interrupt handling code for ne2k support
The improved interrupt support for ColdFire CPU cores means we no
longer need all the interrupt setup and ack hacks to support the NE2000
driver on ColdFire platforms. Remove all that code.

Signed-off-by: Greg Ungerer <gerg@uclinux.org>
2009-09-16 09:43:55 +10:00
Greg Ungerer
fe84c1087a m68knommu: relax IO_SPACE_LIMIT setting
There is really no limit to the addresses which can be used by the
in*() and out*() family of IO space calls in m68k non-MMU environments.
So don't impose an artificial address limit, allow the full 32bit range.

Signed-off-by: Greg Ungerer <gerg@uclinux.org>
2009-09-16 09:43:55 +10:00
Greg Ungerer
9075216d2c m68knommu: create a speciailized ColdFire 5272 interrupt controller
The ColdFire 5272 CPU has a very different interrupt controller than
any of the other ColdFire parts. It needs its own controller code to
correctly setup and ack interrupts.

Signed-off-by: Greg Ungerer <gerg@uclinux.org>
2009-09-16 09:43:54 +10:00
Greg Ungerer
da3601a5fa m68knommu: add support for second interrupt controller of ColdFire 5249
The ColdFire 5249 CPU has a second (compleletly different) interrupt
controller. It is the only ColdFire CPU that has this type. It controlls
GPIO interrupts amongst a number of interrupts from other internal
peripherals. Add support code for it.

Signed-off-by: Greg Ungerer <gerg@uclinux.org>
2009-09-16 09:43:53 +10:00
Greg Ungerer
39f0fb6a34 m68knommu: map ColdFire interrupts to correct masking bits
The older simple ColdFire interrupt controller has no one-to-one mapping
of interrupt numbers to bits in the interrupt mask register. Create a
mapping array that each ColdFire CPU type can populate with its available
interrupts and the bits that each use in the interrupt mask register.

Signed-off-by: Greg Ungerer <gerg@uclinux.org>
2009-09-16 09:43:52 +10:00
Greg Ungerer
f6a66276f5 m68knommu: clean up ColdFire 532x CPU timer setup
The newer ColdFire 532x family of CPU's uses the old timer, but has a
newer interrupt controller. It doesn't need the special timer setup
that was required when using the older interrupt controller. Remove the
dead timer irq and level setting code, and define the hard coded vector.

Signed-off-by: Greg Ungerer <gerg@uclinux.org>
2009-09-16 09:43:52 +10:00
Greg Ungerer
04b75b10dc m68knommu: simplify ColdFire "timers" clock initialization
The ColdFire "timers" clock setup can be simplified. There is really no
need for the flexible per-platform setup code. The clock interrupt can be
hard defined per CPU platform (in CPU include files). This makes the
actual timer code simpler.

Signed-off-by: Greg Ungerer <gerg@uclinux.org>
2009-09-16 09:43:51 +10:00
Greg Ungerer
f2154bef81 m68knommu: merge old ColdFire interrupt controller masking macros
Currently the code that supports setting the old style ColdFire interrupt
controller mask registers is macros in the include files of each of the
CPU types. Merge all these into a set of real masking functions in the
old Coldfire interrupt controller code proper. All the macros are basically
the same (excepting a register size difference on really early parts).

Signed-off-by: Greg Ungerer <gerg@uclinux.org>
2009-09-16 09:43:50 +10:00
Greg Ungerer
5938084bd8 m68knommu: move ColdFire INTC definitions to new include file
Create an mcfintc.h include file with the definitions for the old style
ColdFire interrupt controller. They are only needed on CPU's that use
this old controller - so isolate them on their own.

Signed-off-by: Greg Ungerer <gerg@uclinux.org>
2009-09-16 09:43:49 +10:00
Greg Ungerer
e47cc3d6ac m68knommu: mask off all interrupts in ColdFire intc-simr controller
The ColdFire intc-simr interrupt controller should mask off all
interrupt sources at init time. Doing it here instead of separately
in each platform setup.

Signed-off-by: Greg Ungerer <gerg@uclinux.org>
2009-09-16 09:43:48 +10:00
Greg Ungerer
f1a59d244a m68knommu: remove interrupt masking from ColdFire pit timer
With proper interrupt controller code in place there is no need for
devices like the timers to have custom interrupt masking code.
Remove it (and the defines that go along with it).

Signed-off-by: Greg Ungerer <gerg@uclinux.org>
2009-09-16 09:43:47 +10:00
Greg Ungerer
277c5e3e26 m68knommu: general interrupt controller for ColdFire 532x parts
The ColdFire 532x family of parts uses 2 of the same INTC interrupt
controlers used in the ColdFire 520x family. So modify the code to
support both parts. The extra code for the second INTC controler in
the case of the 520x is easily optimized away to nothing.

Signed-off-by: Greg Ungerer <gerg@uclinux.org>
2009-09-16 09:43:42 +10:00
Greg Ungerer
cd3dd4068d m68knommu: use general interrupt controller for ColdFire 520x family
Create general interrupt controller code for the ColdFire 520x family,
that does proper masking and unmasking of interrupts. With this in
place some of the driver hacks in place to support ColdFire interrupts
can finally go away.

Within the ColdFire family there is a variety of different interrupt
controllers in use. Some are used on multiple parts, some on only one.
There is quite some differences in some varients, so much so that
common code for all ColdFire parts would be impossible.

This commit introduces code to support one of the newer interrupt
controllers in the ColdFire 5208 and 5207 parts. It has very simple
mask and unmask operations, so is one of the easiest to support.

Signed-off-by: Greg Ungerer <gerg@uclinux.org>
2009-09-16 09:43:39 +10:00
Greg Ungerer
584320156b m68k: clean up comment delimiters in dma.h
Change C99 style comments to traditional K&R style.

Signed-off-by: Greg Ungerer <gerg@uclinux.org>
2009-09-16 09:43:38 +10:00
Greg Ungerer
cba89e231f m68k: merge mmu and non-mmu versions of dma.h
The non-mmu version of dma.h contains a lot of ColdFire specific DMA
support, but also all of the base m68k support. So use the non-mmu
version of dma.h for all.

Signed-off-by: Greg Ungerer <gerg@uclinux.org>
2009-09-16 09:43:38 +10:00
Greg Ungerer
6192c1ea0a m68k: merge the mmu and non-mmu versions of checksum.h
The mmu and non-mmu versions of checksum.h are mostly the same,
merge them.

Signed-off-by: Greg Ungerer <gerg@uclinux.org>
2009-09-16 09:43:37 +10:00
Greg Ungerer
3ddc7e261a m68k: merge mmu and non-mmu versions of irq.h
It is reasonably strait forward to merge the mmu and non-mmu versions
of irq.h. Most of the defines and structs are not needed on non-mmu.

Signed-off-by: Greg Ungerer <gerg@uclinux.org>
2009-09-16 09:43:37 +10:00
Greg Ungerer
633ea5d78b m68k: merge mmu and non-mmu versions of processor.h
The mmu and non-mmu versions of processor.h have a lot of common code.
This is a strait forward merge. start_thread() could be improved, but
that is not quite as strait forward, leaving for a follow on change.

Signed-off-by: Greg Ungerer <gerg@uclinux.org>
2009-09-16 09:43:36 +10:00
Christoph Hellwig
d668bf0a0d m68knommu: convert to asm-generic/hardirq.h
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
2009-09-16 09:43:36 +10:00
Greg Ungerer
f3aa42c6b2 m68k: remove unused elia.h include file
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
2009-09-16 09:43:35 +10:00
Linus Torvalds
d7e9660ad9 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6: (1623 commits)
  netxen: update copyright
  netxen: fix tx timeout recovery
  netxen: fix file firmware leak
  netxen: improve pci memory access
  netxen: change firmware write size
  tg3: Fix return ring size breakage
  netxen: build fix for INET=n
  cdc-phonet: autoconfigure Phonet address
  Phonet: back-end for autoconfigured addresses
  Phonet: fix netlink address dump error handling
  ipv6: Add IFA_F_DADFAILED flag
  net: Add DEVTYPE support for Ethernet based devices
  mv643xx_eth.c: remove unused txq_set_wrr()
  ucc_geth: Fix hangs after switching from full to half duplex
  ucc_geth: Rearrange some code to avoid forward declarations
  phy/marvell: Make non-aneg speed/duplex forcing work for 88E1111 PHYs
  drivers/net/phy: introduce missing kfree
  drivers/net/wan: introduce missing kfree
  net: force bridge module(s) to be GPL
  Subject: [PATCH] appletalk: Fix skb leak when ipddp interface is not loaded
  ...

Fixed up trivial conflicts:

 - arch/x86/include/asm/socket.h

   converted to <asm-generic/socket.h> in the x86 tree.  The generic
   header has the same new #define's, so that works out fine.

 - drivers/net/tun.c

   fix conflict between 89f56d1e9 ("tun: reuse struct sock fields") that
   switched over to using 'tun->socket.sk' instead of the redundantly
   available (and thus removed) 'tun->sk', and 2b980dbd ("lsm: Add hooks
   to the TUN driver") which added a new 'tun->sk' use.

   Noted in 'next' by Stephen Rothwell.
2009-09-14 10:37:28 -07:00