Граф коммитов

2857 Коммитов

Автор SHA1 Сообщение Дата
Guennadi Liakhovetski 331af0c152 sh: add DMA slave definitions and SIU platform data to sh7722 setup
This patch is required to use the SIU ASoC driver on sh7722 systems.

Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2010-03-02 11:08:52 +09:00
Linus Torvalds ac0f6f927d Merge branch 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm
* 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm: (100 commits)
  ARM: Eliminate decompressor -Dstatic= PIC hack
  ARM: 5958/1: ARM: U300: fix inverted clk round rate
  ARM: 5956/1: misplaced parentheses
  ARM: 5955/1: ep93xx: move timer defines into core.c and document
  ARM: 5954/1: ep93xx: move gpio interrupt support to gpio.c
  ARM: 5953/1: ep93xx: fix broken build of clock.c
  ARM: 5952/1: ARM: MM: Add ARM_L1_CACHE_SHIFT_6 for handle inside each ARCH Kconfig
  ARM: 5949/1: NUC900 add gpio virtual memory map
  ARM: 5948/1: Enable timer0 to time4 clock support for nuc910
  ARM: 5940/2: ARM: MMCI: remove custom DBG macro and printk
  ARM: make_coherent(): fix problems with highpte, part 2
  MM: Pass a PTE pointer to update_mmu_cache() rather than the PTE itself
  ARM: 5945/1: ep93xx: include correct irq.h in core.c
  ARM: 5933/1: amba-pl011: support hardware flow control
  ARM: 5930/1: Add PKMAP area description to memory.txt.
  ARM: 5929/1: Add checks to detect overlap of memory regions.
  ARM: 5928/1: Change type of VMALLOC_END to unsigned long.
  ARM: 5927/1: Make delimiters of DMA area globally visibly.
  ARM: 5926/1: Add "Virtual kernel memory..." printout.
  ARM: 5920/1: OMAP4: Enable L2 Cache
  ...

Fix up trivial conflict in arch/arm/mach-mx25/clock.c
2010-03-01 09:15:15 -08:00
Linus Torvalds 524df55725 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6: (252 commits)
  ASoC: Check progress when reporting periods from i.MX FIQ handler
  ASoC: Remove a unused variables from i.MX FIQ runtime data
  ALSA: hda - Add/fix ALC269 FSC and Quanta models
  ALSA: hda - Add ALC670 codec support
  OMAP4: PMIC: Add support for twl6030 codec
  ALSA: hda - remove unnecessary msleep on power state transitions
  usb/gadget/{f_audio,gmidi}.c: follow recent changes in audio.h
  ASoC: fsi: Modify over/under run error settlement
  ASoC: OMAP4: Add McPDM platform driver
  ASoC: OMAP4: Add support for McPDM
  ASoC: OMAP: data_type and sync_mode configurable in audio dma
  ALSA: hda - Add missing description in HD-Audio-Models.txt
  ALSA: add support for Macbook Air 2,1 internal speaker
  ALSA: usbaudio: consolidate header files
  ALSA: usbmixer: bail out early when parsing audio class v2 descriptors
  ALSA: usbaudio: implement basic set of class v2.0 parser
  ALSA: usbaudio: introduce new types for audio class v2
  ALSA: usbaudio: parse USB descriptors with structs
  ALSA: hda - enable snoop for Intel Cougar Point
  ALSA: hda - Remove identical definitions for macmini3 model
  ...
2010-03-01 08:58:44 -08:00
Takashi Iwai 6679ee1870 Merge branch 'topic/asoc' into for-linus 2010-03-01 12:38:59 +01:00
Robert P. J. Day 4b62c0f1e7 sh: No need to explicitly include <linux/rwlock.h>.
Since <linux/spinlock.h> already includes <linux/rwlock.h>, and the
latter file will warn about not having included the former file
anyway, there is no value in including rwlock.h explicitly.

Signed-off-by: Robert P. J. Day <rpjday@crashcourse.ca>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2010-03-01 11:57:32 +09:00
Andrea Gelmini 55c1b0d27b arch/sh/boot/compressed/cache.c: Checkpatch cleanup
arch/sh/boot/compressed/cache.c:8: WARNING: space prohibited between function name and open parenthesis '('

Signed-off-by: Andrea Gelmini <andrea.gelmini@gelma.net>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2010-03-01 11:57:31 +09:00
Andrea Gelmini 5499b45190 arch/sh/lib/libgcc.h: Checkpatch cleanup
arch/sh/lib/libgcc.h:21: ERROR: open brace '{' following union go on the same line

Signed-off-by: Andrea Gelmini <andrea.gelmini@gelma.net>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2010-03-01 11:57:29 +09:00
Paul Mundt 105244ec95 sh: hw-breakpoints: Accept breakpoints on NULL addresses.
This follows the x86 change 84d7109267
("hw-breakpoints: Accept breakpoints on NULL address") and restores the
previous expected ptrace behaviour.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2010-03-01 11:52:03 +09:00
Linus Torvalds 6556a67435 Merge branch 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (172 commits)
  perf_event, amd: Fix spinlock initialization
  perf_event: Fix preempt warning in perf_clock()
  perf tools: Flush maps on COMM events
  perf_events, x86: Split PMU definitions into separate files
  perf annotate: Handle samples not at objdump output addr boundaries
  perf_events, x86: Remove superflous MSR writes
  perf_events: Simplify code by removing cpu argument to hw_perf_group_sched_in()
  perf_events, x86: AMD event scheduling
  perf_events: Add new start/stop PMU callbacks
  perf_events: Report the MMAP pgoff value in bytes
  perf annotate: Defer allocating sym_priv->hist array
  perf symbols: Improve debugging information about symtab origins
  perf top: Use a macro instead of a constant variable
  perf symbols: Check the right return variable
  perf/scripts: Tag syscall_name helper as not yet available
  perf/scripts: Add perf-trace-python Documentation
  perf/scripts: Remove unnecessary PyTuple resizes
  perf/scripts: Add syscall tracing scripts
  perf/scripts: Add Python scripting engine
  perf/scripts: Remove check-perf-trace from listed scripts
  ...

Fix trivial conflict in tools/perf/util/probe-event.c
2010-02-28 10:20:25 -08:00
Linus Torvalds e0d272429a Merge branch 'tracing-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'tracing-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (28 commits)
  ftrace: Add function names to dangling } in function graph tracer
  tracing: Simplify memory recycle of trace_define_field
  tracing: Remove unnecessary variable in print_graph_return
  tracing: Fix typo of info text in trace_kprobe.c
  tracing: Fix typo in prof_sysexit_enable()
  tracing: Remove CONFIG_TRACE_POWER from kernel config
  tracing: Fix ftrace_event_call alignment for use with gcc 4.5
  ftrace: Remove memory barriers from NMI code when not needed
  tracing/kprobes: Add short documentation for HAVE_REGS_AND_STACK_ACCESS_API
  s390: Add pt_regs register and stack access API
  tracing/kprobes: Make Kconfig dependencies generic
  tracing: Unify arch_syscall_addr() implementations
  tracing: Add notrace to TRACE_EVENT implementation functions
  ftrace: Allow to remove a single function from function graph filter
  tracing: Add correct/incorrect to sort keys for branch annotation output
  tracing: Simplify test for function_graph tracing start point
  tracing: Drop the tr check from the graph tracing path
  tracing: Add stack dump to trace_printk if stacktrace option is set
  tracing: Use appropriate perl constructs in recordmcount.pl
  tracing: optimize recordmcount.pl for offsets-handling
  ...
2010-02-28 10:17:55 -08:00
Ingo Molnar 6fb83029db Merge branch 'tracing/core' of git://git.kernel.org/pub/scm/linux/kernel/git/frederic/random-tracing into tracing/core 2010-02-27 10:06:10 +01:00
Linus Torvalds 2b8c70b217 Merge branch 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6
* 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6: (362 commits)
  V4L-DVB: cx88-dvb: remove extra attribution for core
  V4L/DVB: v4l: soc_camera: fix bound checking of mbus_fmt[] index
  V4L/DVB: Add support for SMT7020 to cx88
  V4L/DVB: radio-si470x: Use UTF-8 encoding on a comment
  V4L/DVB: MAINTAINERS: Telegent tlg2300 section fix
  V4L/DVB: gspca_stv06xx: Add support for camera button
  V4L/DVB: gspca_ov519: add support for the button on ov511 based cams
  V4L/DVB: gspca_ov519: Add support for the button on ov518 based cams
  V4L/DVB: gspca_ov519: add support for the button on ov519 based cams
  V4L/DVB: gspca_main: Fix a compile error when CONFIG_INPUT is not set
  V4L/DVB: gspca_main: some input error handling fixes
  V4L/DVB: gspca_main: Allow use of input device creation code for non int. inputs
  V4L/DVB: gspca_pac7302: much improved exposure control
  V4L/DVB: gspca_sonixb: Make sonixb driver handle pas106 and pas202 cameras
  V4L/DVB: gspca_sonixb: pas106: fixup bright ctrl and add gain and exposure ctrls
  V4L/DVB: Documentation: gspca.txt: update known mr97310a cams
  V4L/DVB: gspca_mr97310a: add support for the Sakar 1638x CyberPix
  V4L/DVB: gscpa_sonixb: limit ov7630 max framerate at 640x480
  V4L/DVB: gspca_sonixb: pas202: fixup brightness ctrl and add gain and exposure ctrls
  V4L/DVB: gscpa_sonixb: Differentiate between sensors with a coarse and fine expo ctrl
  ...
2010-02-26 17:16:20 -08:00
Linus Torvalds f24407d2bd Merge git://git.kernel.org/pub/scm/linux/kernel/git/jejb/xfs-vipt
* git://git.kernel.org/pub/scm/linux/kernel/git/jejb/xfs-vipt:
  xfs: fix xfs to work with Virtually Indexed architectures
  sh: add mm API for DMA to vmalloc/vmap areas
  arm: add mm API for DMA to vmalloc/vmap areas
  parisc: add mm API for DMA to vmalloc/vmap areas
  mm: add coherence API for DMA to vmalloc/vmap areas
2010-02-26 17:05:10 -08:00
Linus Torvalds 64d497f553 Merge git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6: (187 commits)
  sh: remove dead LED code for migo-r and ms7724se
  sh: ecovec build fix for CONFIG_I2C=n
  sh: ecovec r-standby support
  sh: ms7724se r-standby support
  sh: SH-Mobile R-standby register save/restore
  clocksource: Fix up a registration/IRQ race in the sh drivers.
  sh: ms7724: modify scan_timing for KEYSC
  sh: ms7724: Add sh_sir support
  sh: mach-ecovec24: Add sh_sir support
  sh: wire up SET/GET_UNALIGN_CTL.
  sh: allow alignment fault mode to be configured at kernel boot.
  sh: sh7724: Update FSI/SPU2 clock
  sh: always enable sh7724 vpu_clk and set to 166MHz on Ecovec
  sh: add sh7724 kick callback to clk_div4_table
  sh: introduce struct clk_div4_table
  sh: clock-cpg div4 set_rate() shift fix
  sh: Turn on speculative return for SH7785 and SH7786
  sh: Merge legacy and dynamic PMB modes.
  sh: Use uncached I/O helpers in PMB setup.
  sh: Provide uncached I/O helpers.
  ...
2010-02-26 16:54:27 -08:00
Kuninori Morimoto 3675c750cf soc-camera: ov772x: Modify buswidth control
This patch removes "buswidth" struct member, and sets the default buswidth
to the natively supported 10 bit. You can select 8 bit buswidth by new flag.
This patch also modify ap325rxa/migor setup.c

Signed-off-by: Kuninori Morimoto <morimoto.kuninori@renesas.com>
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2010-02-26 15:11:00 -03:00
Magnus Damm b5f5fe80fa sh: remove dead LED code for migo-r and ms7724se
CONFIG_PM is always set on SH-Mobile these days so
get rid of the unused LED setup code.

Signed-off-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2010-02-26 15:30:09 +09:00
Magnus Damm 6b3b55750b sh: ecovec build fix for CONFIG_I2C=n
Allow building the ecovec board support code
even though I2C support is disabled.

Signed-off-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2010-02-26 15:30:08 +09:00
Magnus Damm 2839bd61f6 sh: ecovec r-standby support
This patch adds board specific r-standby resume code
for ecovec.

Signed-off-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2010-02-26 15:29:28 +09:00
Magnus Damm b67cf2848a sh: ms7724se r-standby support
This patch adds board specific r-standby resume code
for ms7724se.

Signed-off-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2010-02-26 15:29:27 +09:00
Magnus Damm 41bfb7d7a6 sh: SH-Mobile R-standby register save/restore
Add code to save/restore registers during
R-standby sleep on SH-Mobile processors.

Signed-off-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2010-02-26 15:29:26 +09:00
Russell King 9f33be2c3a Merge branches 'clks' and 'pnx' into devel 2010-02-25 22:10:38 +00:00
Kuninori Morimoto 29463c28a5 sh: ms7724: modify scan_timing for KEYSC
KEYSC::SCN register of SH7724 is 3bit.
Thus, scan_timing should be 0 - 7 here.

Signed-off-by: Kuninori Morimoto <morimoto.kuninori@renesas.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2010-02-25 16:31:29 +09:00
Kuninori Morimoto bbb892aac4 sh: ms7724: Add sh_sir support
Signed-off-by: Kuninori Morimoto <morimoto.kuninori@renesas.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2010-02-25 16:31:28 +09:00
Kuninori Morimoto 2636571685 sh: mach-ecovec24: Add sh_sir support
Signed-off-by: Kuninori Morimoto <morimoto.kuninori@renesas.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2010-02-25 16:31:28 +09:00
Paul Mundt 94ea5e449a sh: wire up SET/GET_UNALIGN_CTL.
This hooks up the SET/GET_UNALIGN_CTL knobs cribbing the bulk of it from
the PPC and ia64 implementations. The thread flags happen to be the
logical inverse of what the global fault mode is set to, so this works
out pretty cleanly. By default the global fault mode is used, with tasks
now being able to override their own settings via prctl().

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2010-02-23 12:56:30 +09:00
Paul Mundt 7c1b2c6890 sh: allow alignment fault mode to be configured at kernel boot.
Follow the ARM change, which is what our alignment helpers are based on
in the first place.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2010-02-23 11:48:50 +09:00
Dominik Brodowski 3b7a17fcda resource/PCI: mark struct resource as const
Now that we return the new resource start position, there is no
need to update "struct resource" inside the align function.
Therefore, mark the struct resource as const.

Cc: Bjorn Helgaas <bjorn.helgaas@hp.com>
Cc: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
2010-02-22 16:16:57 -08:00
Dominik Brodowski b26b2d494b resource/PCI: align functions now return start of resource
As suggested by Linus, align functions should return the start
of a resource, not void. An update of "res->start" is no longer
necessary.

Cc: Bjorn Helgaas <bjorn.helgaas@hp.com>
Cc: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
2010-02-22 16:16:56 -08:00
Kuninori Morimoto 16afc9fb02 sh: sh7724: Update FSI/SPU2 clock
When FSI and Network (= NFS file system) were used at the same time,
the I/O of FSI was unstable.  This patch updates the SPU2 clock (which
is used for FSI) to solve this issue.  Special thanks to Jeremy.

Signed-off-by: Jeremy Baker <Jeremy.Baker@renesas.com>
Signed-off-by: Kuninori Morimoto <morimoto.kuninori@renesas.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2010-02-22 19:14:18 +09:00
Magnus Damm 6f26d19fce sh: always enable sh7724 vpu_clk and set to 166MHz on Ecovec
Update the sh7724 processor code to always enable vpu_clk.

On the Ecovec board, set the vpu_clk to 166 Mhz.

The 166MHz setting results in a divide-by-6 setup for
vpu_clk and improves the VPU performance compared to the
power-on-reset/bootloader configuration.

Signed-off-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2010-02-22 19:11:23 +09:00
Magnus Damm 7be85c6eb4 sh: add sh7724 kick callback to clk_div4_table
This patch adds a ->kick() callback to clk_div4_table
and ties it into sh_clk_div4_set_rate(). A sh7724
specific kick function is also added that updates the
KICK bit whenever div4 clocks in FRQCRA and FRQCRB
have been set. Allows us to set the VPU clock.

Signed-off-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2010-02-22 19:11:22 +09:00
Magnus Damm 0a5f337ecd sh: introduce struct clk_div4_table
This patch introduces struct clk_div4_table. The structure
will be used to keep div4 specific data, and is with this
patch replacing the struct clk_div_mult_table pointer arg
used by the sh_clk_div4_register() functions.

Signed-off-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2010-02-22 19:11:20 +09:00
Magnus Damm de7ca2144c sh: clock-cpg div4 set_rate() shift fix
Make sure the div4 bitfield is shifted according
to the enable_bit value in sh_clk_div4_set_rate().

Signed-off-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2010-02-22 19:11:19 +09:00
Russell King 4b3073e1c5 MM: Pass a PTE pointer to update_mmu_cache() rather than the PTE itself
On VIVT ARM, when we have multiple shared mappings of the same file
in the same MM, we need to ensure that we have coherency across all
copies.  We do this via make_coherent() by making the pages
uncacheable.

This used to work fine, until we allowed highmem with highpte - we
now have a page table which is mapped as required, and is not available
for modification via update_mmu_cache().

Ralf Beache suggested getting rid of the PTE value passed to
update_mmu_cache():

  On MIPS update_mmu_cache() calls __update_tlb() which walks pagetables
  to construct a pointer to the pte again.  Passing a pte_t * is much
  more elegant.  Maybe we might even replace the pte argument with the
  pte_t?

Ben Herrenschmidt would also like the pte pointer for PowerPC:

  Passing the ptep in there is exactly what I want.  I want that
  -instead- of the PTE value, because I have issue on some ppc cases,
  for I$/D$ coherency, where set_pte_at() may decide to mask out the
  _PAGE_EXEC.

So, pass in the mapped page table pointer into update_mmu_cache(), and
remove the PTE value, updating all implementations and call sites to
suit.

Includes a fix from Stephen Rothwell:

  sparc: fix fallout from update_mmu_cache API change

  Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>

Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2010-02-20 16:41:46 +00:00
Matt Fleming 8c563a30cd sh: Turn on speculative return for SH7785 and SH7786
Signed-off-by: Matt Fleming <matt@console-pimps.org>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2010-02-18 18:54:18 +09:00
Paul Mundt 77f36fcc03 Merge branch 'sh/pmb-dynamic' 2010-02-18 18:35:20 +09:00
Paul Mundt d01447b319 sh: Merge legacy and dynamic PMB modes.
This implements a bit of rework for the PMB code, which permits us to
kill off the legacy PMB mode completely. Rather than trusting the boot
loader to do the right thing, we do a quick verification of the PMB
contents to determine whether to have the kernel setup the initial
mappings or whether it needs to mangle them later on instead.

If we're booting from legacy mappings, the kernel will now take control
of them and make them match the kernel's initial mapping configuration.
This is accomplished by breaking the initialization phase out in to
multiple steps: synchronization, merging, and resizing. With the recent
rework, the synchronization code establishes page links for compound
mappings already, so we build on top of this for promoting mappings and
reclaiming unused slots.

At the same time, the changes introduced for the uncached helpers also
permit us to dynamically resize the uncached mapping without any
particular headaches. The smallest page size is more than sufficient for
mapping all of kernel text, and as we're careful not to jump to any far
off locations in the setup code the mapping can safely be resized
regardless of whether we are executing from it or not.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2010-02-18 18:13:51 +09:00
Paul Mundt 2e450643d7 sh: Use uncached I/O helpers in PMB setup.
The PMB code is an example of something that spends an absurd amount of
time running uncached when only a couple of operations really need to be.
This switches over to the shiny new uncached helpers, permitting us to
spend far more time running cached.

Additionally, MMUCR twiddling is perfectly safe from cached space given
that it's paired with a control register barrier, so fix that up, too.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2010-02-18 13:26:05 +09:00
Paul Mundt b8f7918f33 sh: Provide uncached I/O helpers.
There are lots of registers that can only be updated from the uncached
mapping, so we add some helpers for those cases in order to make it
easier to ensure that we only make the jump when it's absolutely
necessary.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2010-02-18 13:23:30 +09:00
Paul Mundt d53a0d33bc sh: PMB locking overhaul.
This implements some locking for the PMB code. A high level rwlock is
added for dealing with rw accesses on the entry map while a per-entry
data structure spinlock is added to deal with the PMB entry changing out
from underneath us.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2010-02-17 21:17:02 +09:00
Mike Frysinger e7b8e675d9 tracing: Unify arch_syscall_addr() implementations
Most implementations of arch_syscall_addr() are the same, so create a
default version in common code and move the one piece that differs (the
syscall table) to asm/syscall.h.  New arch ports don't have to waste
time copying & pasting this simple function.

The s390/sparc versions need to be different, so document why.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Acked-by: David S. Miller <davem@davemloft.net>
Acked-by: Paul Mundt <lethal@linux-sh.org>
Acked-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
LKML-Reference: <1264498803-17278-1-git-send-email-vapier@gentoo.org>
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
2010-02-17 13:07:21 +01:00
Paul Mundt 0065b96775 sh: Fix up dynamically created write-through PMB mappings.
Write-through PMB mappings still require the cache bit to be set, even if
they're to be flagged with a different cache policy and bufferability
bit. To reduce some of the confusion surrounding the flag encoding we
centralize the cache mask based on the system cache policy while we're at
it.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2010-02-17 18:05:23 +09:00
Paul Mundt d7813bc9e8 sh: Build PMB entry links for existing contiguous multi-page mappings.
This plugs in entry sizing support for existing mappings and then builds
on top of that for linking together entries that are mapping contiguous
areas. This will ultimately permit us to coalesce mappings and promote
head pages while reclaiming PMB slots for dynamic remapping.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2010-02-17 17:56:38 +09:00
Paul Mundt 9edef28653 sh: uncached mapping helpers.
This adds some helper routines for uncached mapping support. This
simplifies some of the cases where we need to check the uncached mapping
boundaries in addition to giving us a centralized location for building
more complex manipulation on top of.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2010-02-17 16:28:00 +09:00
Paul Mundt 51becfd962 sh: PMB tidying.
Some overdue cleanup of the PMB code, killing off unused functionality
and duplication sprinkled about the tree.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2010-02-17 15:33:30 +09:00
Paul Mundt 7bdda6209f sh: Fix up more 64-bit pgprot truncation on SH-X2 TLB.
Both the store queue API and the PMB remapping take unsigned long for
their pgprot flags, which cuts off the extended protection bits. In the
case of the PMB this isn't really a problem since the cache attribute
bits that we care about are all in the lower 32-bits, but we do it just
to be safe. The store queue remapping on the other hand depends on the
extended prot bits for enabling userspace access to the mappings.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2010-02-17 13:23:00 +09:00
Magnus Damm 838a4a9dce sh: fix sh7723 SDHI support using INTC force_disable
Update the sh7723 INTC tables with force_enable support
to mask out pending unsupported SDHI interrupt sources.

Without this patch the kernel locks up due to a pending
SDHI interrupt that the tmio_mmc driver cannot handle.

Signed-off-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2010-02-17 12:45:44 +09:00
Magnus Damm e9125ac0bf sh: fix sh7722 SDHI support using INTC force_disable
Update the sh7722 INTC tables with force_enable support
to mask out pending unsupported SDHI interrupt sources.

Without this patch the kernel locks up due to a pending
SDHI interrupt that the tmio_mmc driver cannot handle.

Signed-off-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2010-02-17 12:45:43 +09:00
Paul Mundt 49f3bfe933 sh: Setup boot CPU VBR early to enable early page faults.
vmemmap and the vmsplit code amongst others need to be able to take page
faults much earlier than trap_init() time, so move this in to the early
CPU initialization. VBR setup for secondary CPUs is already handled
through start_secondary(), so we only need to do this for the boot CPU.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2010-02-17 12:33:22 +09:00
Paul Mundt 1d5cfcdff7 sh: Kill off some superfluous legacy PMB special casing.
The __va()/__pa() offsets and the boot memory offsets are consistent for
all PMB users, so there is no need to special case these for legacy PMB.
Kill the special casing off and depend on CONFIG_PMB across the board.
This also fixes up yet another addressing bug for sh64.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2010-02-16 21:43:38 +09:00
Paul Mundt efd54ea315 sh: Merge the legacy PMB mapping and entry synchronization code.
This merges the code for iterating over the legacy PMB mappings and the
code for synchronizing software state with the hardware mappings. There's
really no reason to do the same iteration twice, and this also buys us
the legacy entry logging facility for the dynamic PMB case.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2010-02-16 18:39:30 +09:00
Paul Mundt 55cef91a5d sh: Prevent fixed slot PMB remapping from clobbering boot entries.
The PMB initialization code walks the entries and synchronizes the
software PMB state with the hardware mappings, preserving the slot index.
Unfortunately pmb_alloc() only tested the bit position in the entry map
and failed to set it, resulting in subsequent remaps being able to be
dynamically assigned a slot that trampled an existing boot mapping with
general badness ensuing.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2010-02-16 17:14:04 +09:00
Nobuhiro Iwamatsu 319c2cc761 sh: Fix zImage boot using fixed PMB.
Signed-off-by: Nobuhiro Iwamatsu <iwamatsu.nobuhiro@renesas.com>
Signed-off-by: Yoshihiro Shimoda <shimoda.yoshihiro@renesas.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2010-02-16 13:50:26 +09:00
Magnus Damm fb1e776050 sh: fix sh7724 SDHI support using INTC force_disable
Update the sh7724 INTC tables with force_enable support
to mask out pending unsupported SDHI interrupt sources.

Without this patch the kernel locks up due to a pending
SDHI interrupt that the tmio_mmc driver cannot handle.

Signed-off-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2010-02-16 13:38:57 +09:00
Paul Mundt 04c8697355 sh: Fix up legacy PMB mode offset calculation.
The change for fixing up sh64 inadvertently inverted the logic for legacy
PMB, fix that back up.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2010-02-15 16:10:57 +09:00
Paul Mundt 028c5d5d59 Merge branch 'sh/stable-updates' 2010-02-15 14:49:37 +09:00
Paul Mundt 4b505db9c4 sh64: fix tracing of signals.
This follows the parisc change to ensure that tracehook_signal_handler()
is aware of when we are single-stepping in order to ptrace_notify()
appropriately. While this was implemented for 32-bit SH, sh64 neglected
to make use of TIF_SINGLESTEP when it was folded in with the 32-bit code,
resulting in ptrace_notify() never being called.

As sh64 uses all of the other abstractions already, this simply plugs in
the thread flag in the appropriate enable/disable paths and fixes up the
tracehook notification accordingly. With this in place, sh64 is brought
in line with what 32-bit is already doing.

Reported-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2010-02-15 14:17:45 +09:00
Paul Mundt 19f6b8b44e sh64: fix up memory offset calculation.
The linker script offsets were broken by the recent 29/32-bit
integration, so this fixes it up for sh64.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2010-02-12 15:41:45 +09:00
Paul Mundt b0f3ae03ac sh: Isolate uncached mapping support.
This splits out the uncached mapping support under its own config option,
presently only used by 29-bit mode and 32-bit + PMB. This will make it
possible to optionally add an uncached mapping on sh64 as well as booting
without an uncached mapping for 32-bit.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2010-02-12 15:40:00 +09:00
Paul Mundt a4dad4c75c sh: update sdk7786 defconfig.
This plugs in USB and PCI and other bits for SDK7786.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2010-02-10 16:06:42 +09:00
Paul Mundt 7578a4c625 sh: Fix up multi-resource mapping for SH7786 PCIe.
This reworks some of the SH7786 PCIe initialization code to dynamically
setup and size the various resource windows, as opposed to the original
code that simply wired in a couple of them statically.

At the same time, we tidy up the initialization code a bit, kill off some
read-only register twiddling that was gleaned from the bus analyzer, and
also propagate the physical slot/channel mapping.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2010-02-10 16:00:58 +09:00
Magnus Damm 801cd56e3e sh: break out enable/reparent div4 clocks on sh7723
Break out sh7723 div4 clocks for SIU and IRDA as
reparent / enable clocks. Similar to the SIU clock
patch for sh7722 by Guennadi.

Signed-off-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2010-02-09 18:24:31 +09:00
Magnus Damm 3844eadcfd sh: sh7724/Ecovec24/KFR2R09/MS7724SE SDHI vector merge
Merge the SDHI vectors in the sh7724 INTC table
and update the SDHI platform data for Ecovec24,
KFR2R09 and MS7724SE.

Signed-off-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2010-02-09 18:24:30 +09:00
Magnus Damm e3e80046e0 sh: sh7723/AP325 SDHI vector merge
Merge the SDHI vectors in the sh7723 INTC table
and update the SDHI platform data for AP325.

Signed-off-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2010-02-09 18:24:30 +09:00
Magnus Damm 8d9adabac3 sh: sh7722/Migo-R SDHI vector merge
Merge the SDHI vectors in the sh7722 INTC table
and update the SDHI platform data for Migo-R.

Signed-off-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2010-02-09 18:24:29 +09:00
Paul Mundt 7561f2dd39 sh: Fix up SH7786 PCI resource definitions.
This adds in some of the missing memory resources for channels 1/2 and
gets the code building again for the recent changes.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2010-02-08 16:36:56 +09:00
Paul Mundt 13fd7aeb9a Merge branches 'sh/dwarf-unwinder', 'sh/g3-prep' and 'sh/stable-updates' 2010-02-08 11:48:10 +09:00
Paul Mundt 2e18e04798 Merge branch 'sh/dmaengine'
Conflicts:
	arch/sh/drivers/dma/dma-sh.c
2010-02-08 11:34:03 +09:00
Matt Fleming 858918b77b sh: Optimise FDE/CIE lookup by using red-black trees
Now that the DWARF unwinder is being used to provide perf callstacks
unwinding speed is an issue. It is no longer being used in exceptional
circumstances where we don't care about runtime performance, e.g. when
panicing, so it makes sense improve performance is possible.

With this patch I saw a 42% improvement in unwind time when calling
return_address(1). Greater improvements will be seen as the number of
levels unwound increases as each unwind is now cheaper.

Note that insertion time has doubled but that's just the price we pay
for keeping the trees balanced. However, this is a one-time cost for
kernel boot/module load and so the improvements in lookup time dominate
the extra time we spend keeping the trees balanced.

Signed-off-by: Matt Fleming <matt@console-pimps.org>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2010-02-08 11:29:15 +09:00
Matt Fleming 1af0b2fc67 sh: Remove superfluous setup_frame_reg call
There's no need to setup the frame pointer again in
call_handle_tlbmiss. The frame pointer will already have been setup in
handle_interrupt.

Signed-off-by: Matt Fleming <matt@console-pimps.org>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2010-02-08 10:47:11 +09:00
Matt Fleming 944a343861 sh: Don't continue unwinding across interrupts
Unfortunately, due to poor DWARF info in current toolchains, unwinding
through interrutps cannot be done reliably. The problem is that the
DWARF info for function epilogues is wrong.

Take this standard epilogue sequence,

80003cc4:       e3 6f           mov     r14,r15
80003cc6:       26 4f           lds.l   @r15+,pr
80003cc8:       f6 6e           mov.l   @r15+,r14
						<---- interrupt here
80003cca:       f6 6b           mov.l   @r15+,r11
80003ccc:       f6 6a           mov.l   @r15+,r10
80003cce:       f6 69           mov.l   @r15+,r9
80003cd0:       0b 00           rts

If we take an interrupt at the highlighted point, the DWARF info will
bogusly claim that the return address can be found at some offset from
the frame pointer, even though the frame pointer was just restored. The
worst part is if the unwinder finds a text address at the bogus stack
address - unwinding will continue, for a bit, until it finally comes
across an unexpected address on the stack and blows up.

The only solution is to stop unwinding once we've calculated the
function that was executing when the interrupt occurred. This PC can be
easily calculated from pt_regs->pc.

Signed-off-by: Matt Fleming <matt@console-pimps.org>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2010-02-08 10:47:04 +09:00
Matt Fleming 1dca56f138 sh: Setup frame pointer in handle_exception path
In order to allow the DWARF unwinder to unwind through exceptions we
need to setup the frame pointer register (r14).

Signed-off-by: Matt Fleming <matt@console-pimps.org>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2010-02-08 10:46:53 +09:00
Matt Fleming 142698282c sh: Correct the offset of the return address in ret_from_exception
The address that ret_from_exception and ret_from_irq will return to is
found in the stack slot for SPC, not PR. This error was causing the
DWARF unwinder to pick up the wrong return address on the stack and then
unwind using the unwind tables for the wrong function.

While I'm here I might as well add CFI annotations for the other
registers since they could be useful when unwinding.

Signed-off-by: Matt Fleming <matt@console-pimps.org>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2010-02-08 10:46:46 +09:00
Guennadi Liakhovetski cfefe99795 sh: implement DMA_SLAVE capability in SH dmaengine driver
Tested to work with a SIU ASoC driver on sh7722 (migor).

Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Acked-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2010-02-08 09:40:26 +09:00
Guennadi Liakhovetski 623b4ac4bf sh: fix Transfer Size calculation in both DMA drivers
Both the original arch/sh/drivers/dma/dma-sh.c and the new SH dmaengine drivers
do not take into account bits 3:2 of the Transfer Size field in the CHCR
register, besides, bit-field defines set bit 2, but the mask only passes bits
1:0 through. TS_16BLK and TS_32BLK macros are bogus too. This patch fixes all
these issues for sh7722 and sh7724, other CPUs stay unchanged and might need to
be fixed too.

Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Acked-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2010-02-08 09:40:24 +09:00
James Bottomley c9334f6067 sh: add mm API for DMA to vmalloc/vmap areas
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
2010-02-05 12:32:34 -06:00
Uwe Kleine-König 659431fcaf fix typos "precidence" -> "precedence" in comments
This patch was generated by

	git grep -E -i -l 'precidence' | xargs -r perl -p -i -e 's/precidence/precedence/'

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2010-02-05 12:22:39 +01:00
Paul Mundt b06ede84dd sh: Fix up hp6xx build.
With the sparseirq conversion there was a stray irq_desc reference left
over, this tidies it up and brings the demuxer in line with what the
solution engine boards are doing.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2010-02-05 17:45:14 +09:00
Paul Mundt 3b0be1a4f2 sh: Fix an off-by-1 in SH7780 PCIC memory resource mapping.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2010-02-05 16:11:25 +09:00
Paul Mundt 9ad62ec4f7 sh: Fix up early PCI PERR/SERR IRQ handling.
This adds support for handling early PERR/SERR triggering in between
controller registration and the initial bus scan. Buggy cards end up
asserting these as soon as the M66EN scan is undertaken, resulting in
an early crash.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2010-02-03 16:46:20 +09:00
Paul Mundt 37feecb0ae sh: Disable generic IRQ probing.
IRQ autoprobing hasn't actually worked for us at all since very early in
2.6, but no one seems to have noticed given that none of the drivers
that use it see much testing.

yenta_socket is the odd one out, and that depends on PCI IRQs which are
fixed on all SH platforms anyways. Consequently, turning off autoprobing
fixes up crashes triggered by yenta_socket and at least gets it working
again on r7785rp.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2010-02-02 19:17:42 +09:00
Paul Mundt 4b842c8571 sh: enable sparseirq for highlander and r2d.
highlander and r2d are the only remaining ones that were blocking
sparseirq being turned on by default, but it turns out that they already
work fine with it by virtue of register_intc_controller(). As such, we
can kill off the dependencies and turn it on by default.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2010-02-02 19:15:17 +09:00
Paul Mundt deb9b22b89 sh: mach-dreamcast: Convert to sparseirq.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2010-02-02 18:01:55 +09:00
Paul Mundt 6eb6f98396 sh: hd6446x: Convert to sparseirq.
Follows the se7724 change and converts the hd64461 IRQ handling to
sparseirq.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2010-02-02 17:48:17 +09:00
Paul Mundt c7a967273a sh: mach-se: Convert SH7724 solution engine FPGA to sparseirq.
This uses the new create_irq_nr() to build up the FPGA's desired virtual
IRQ mapping and permits us to finally flip on sparseirq for this board.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2010-02-02 17:38:04 +09:00
Guennadi Liakhovetski b4f74767a0 sh: add high impedance mode management for SIUA pins on sh7722
This improves power management for the SIUA controller on sh7722. Similar
patches might be desired for other SIU-enabled SH platforms.

Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Acked-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2010-02-02 13:02:30 +09:00
Paul Mundt 9d3f1881ab Merge branch 'sh/stable-updates' 2010-02-02 11:33:45 +09:00
Marek Skuczynski bc10e875d4 sh: Fix access to released memory in clk_debugfs_register_one()
Signed-off-by: Marek Skuczynski <mareksk7@gmail.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2010-02-02 11:32:23 +09:00
Marek Skuczynski 00b3e0a2e0 sh: Fix access to released memory in dwarf_unwinder_cleanup()
Signed-off-by: Marek Skuczynski <mareksk7@gmail.com>
Acked-by: Matt Fleming <matt@console-pimps.org>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2010-02-02 11:32:22 +09:00
Paul Mundt b6c58b1d98 sh: Improved multi-resource handling for SH7780 PCI.
The SH7780 PCI controller supports 3 different ranges of PCI memory in
addition to its PCI I/O window. In the case of 29-bit mode, only 2 memory
windows are supported, while in 32-bit mode all 3 are visible. This
attempts to make the resource handling completely dynamic and to permit
platforms to map in as many apertures as they can handle.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2010-02-01 20:01:50 +09:00
Paul Mundt ef407beefb sh: Hook up ERR/PERR/SERR detection for SH7780 PCI host controllers.
These were never handled before, so implement some common infrastructure
to support them, then make use of that in the SH7780-specific code. In
practice there is little here that can not be generalized for SH4 parts,
which will be an incremental change as the 7780/7751 code is gradually
unified.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2010-02-01 16:39:46 +09:00
Paul Mundt bcf39352eb sh: Handle PCI controller resource conflicts.
register_pci_controller() can fail, but presently is a void function.
Change this over to an int so that we can bail early before continuing on
with post-registration initialization (such as throwing the controller in
to 66MHz mode in the case of the SH7780 host controller).

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2010-02-01 13:11:25 +09:00
Paul Mundt 85b59f5bb2 sh: Enable PCI66 support for SH7780 host controller.
This adds some helper glue for scanning the bus and determining if all
of the devices are 66MHz capable or not before flipping on 66MHz mode.
This isn't quite to spec, but it's fairly consistent with what other
embedded controllers end up having to do.

Scanning code cribbed from the MIPS txx9 PCI code.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2010-02-01 13:01:42 +09:00
Paul Mundt aee4467b5c sh: Fix up large system memory handling for SH7780 PCI.
For systems that have more than 512MB we need to set up an additional
mapping, this fixes up the rounding to the next power of two and splits
out the mapping accordingly between the two local bus mapping windows.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2010-02-01 11:33:22 +09:00
Paul Mundt 31a090ae06 sh: Fix up asm/hw_breakpoint.h header check.
Presently headers_check complains about linux/kdebug.h being unexported,
so just bump the __KERNEL__ ifdef up, as per the x86 change.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2010-01-30 11:29:56 +09:00
Paul Mundt 97b19778ee sh: mach-se: Fix up irq_desc reference.
The irq_desc needs to be accessed with irq_to_desc(), this fixes up a
build error with irq_desc being undefined.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2010-01-30 11:04:38 +09:00
Paul Mundt 396c56a9c6 sh: Kill off broken type 1 PCI config access checks.
The host controllers only support type 1, so there's not much else to
test for. Some of the older controllers also supported type 2 accesses,
but we've never supported those, and likely never will. Beyond that, the
P1SEG test is meaningless for 32-bit mode, so rather than refactoring it,
just kill the type 1 test off completely.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2010-01-30 01:41:21 +09:00
Linus Torvalds 221af7f87b Split 'flush_old_exec' into two functions
'flush_old_exec()' is the point of no return when doing an execve(), and
it is pretty badly misnamed.  It doesn't just flush the old executable
environment, it also starts up the new one.

Which is very inconvenient for things like setting up the new
personality, because we want the new personality to affect the starting
of the new environment, but at the same time we do _not_ want the new
personality to take effect if flushing the old one fails.

As a result, the x86-64 '32-bit' personality is actually done using this
insane "I'm going to change the ABI, but I haven't done it yet" bit
(TIF_ABI_PENDING), with SET_PERSONALITY() not actually setting the
personality, but just the "pending" bit, so that "flush_thread()" can do
the actual personality magic.

This patch in no way changes any of that insanity, but it does split the
'flush_old_exec()' function up into a preparatory part that can fail
(still called flush_old_exec()), and a new part that will actually set
up the new exec environment (setup_new_exec()).  All callers are changed
to trivially comply with the new world order.

Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Cc: stable@kernel.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-01-29 08:22:01 -08:00
Paul Mundt 320e68da59 sh: support PCI domains.
Newer SH parts are now commonly shipping with multiple controllers, so
we wire up PCI domain support to deal with them. Shamelessly cloned from
the MIPS implementation.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2010-01-29 22:38:13 +09:00
Paul Mundt ac8ab54a8e sh: Bail out early on PCI resource conflicts.
Presently we just call in to request_resource() for the ioport and iomem
resources without checking for errors. This has already hidden a couple
of bugs, so add some error handling in for good measure.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2010-01-29 22:22:27 +09:00