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git://git.kernel.org/pub/scm/linux/kernel/git/paulg/linux
* 'modsplit-Oct31_2011' of git://git.kernel.org/pub/scm/linux/kernel/git/paulg/linux: (230 commits)
Revert "tracing: Include module.h in define_trace.h"
irq: don't put module.h into irq.h for tracking irqgen modules.
bluetooth: macroize two small inlines to avoid module.h
ip_vs.h: fix implicit use of module_get/module_put from module.h
nf_conntrack.h: fix up fallout from implicit moduleparam.h presence
include: replace linux/module.h with "struct module" wherever possible
include: convert various register fcns to macros to avoid include chaining
crypto.h: remove unused crypto_tfm_alg_modname() inline
uwb.h: fix implicit use of asm/page.h for PAGE_SIZE
pm_runtime.h: explicitly requires notifier.h
linux/dmaengine.h: fix implicit use of bitmap.h and asm/page.h
miscdevice.h: fix up implicit use of lists and types
stop_machine.h: fix implicit use of smp.h for smp_processor_id
of: fix implicit use of errno.h in include/linux/of.h
of_platform.h: delete needless include <linux/module.h>
acpi: remove module.h include from platform/aclinux.h
miscdevice.h: delete unnecessary inclusion of module.h
device_cgroup.h: delete needless include <linux/module.h>
net: sch_generic remove redundant use of <linux/module.h>
net: inet_timewait_sock doesnt need <linux/module.h>
...
Fix up trivial conflicts (other header files, and removal of the ab3550 mfd driver) in
- drivers/media/dvb/frontends/dibx000_common.c
- drivers/media/video/{mt9m111.c,ov6650.c}
- drivers/mfd/ab3550-core.c
- include/linux/dmaengine.h
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Enable IRQ_TYPE_EDGE_BOTH on all R/SH-Mobile ARM SoCs.
This hardware feature is supported by sh7367, sh7377,
sh7372 and sh73a0.
Signed-off-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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This is exporting symbols and will fail to build once we remove
the implicit presence of module.h
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
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Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
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Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
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To fix:
arch/sh/drivers/dma/dma-sysfs.c:45:8: error: 'S_IRUGO' undeclared here (not in a function)
arch/sh/drivers/dma/dma-sysfs.c:75:8: error: 'S_IWUSR' undeclared here (not in a function)
make[4]: *** [arch/sh/drivers/dma/dma-sysfs.o] Error 1
drivers/sh/intc/core.c:449: error: 'S_IRUGO' undeclared here (not in a function)
make[5]: *** [drivers/sh/intc/core.o] Error 1
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
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This fix the problem that S_IRUSR and S_IWUSR are not solved in userimask.c.
-----
CC drivers/usb/host/r8a66597-hcd.o
drivers/sh/intc/userimask.c:57: error: ‘S_IRUSR’ undeclared here (not in a function)
drivers/sh/intc/userimask.c:57: error: ‘S_IWUSR’ undeclared here (not in a function)
CC drivers/watchdog/shwdt.o
-----
Signed-off-by: Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Add GPIO IRQ support to the shared PFC code in drivers/sh/pfc.c
The enums pointed out by a certain GPIO will be matched against
a table for IRQ to enum mappings.
Only the shared PFC code is updated by this patch. SoC specific
changes are also needed to allow platforms to make use of this
feature.
Signed-off-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Clean up the f_width shift code in get_config_reg().
Reported-by: Ryusuke Sakato <ryusuke.sakato.bx@renesas.com>
Signed-off-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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R-Mobile SoCs such as sh73a0 include PINT blocks in INTC
that come with 2-bit IRQ trigger support. Add code to make
sure the bit width is checked so 4-bit only modes like for
instance EDGE_BOTH will fail for PINT.
Signed-off-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-3.x
* 'sh-latest' of git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-3.x: (39 commits)
SH: static should be at beginning of declaration
sh: move CLKDEV_xxx_ID macro to sh_clk.h
sh: clock-shx3: add CLKDEV_ICK_ID for cleanup
sh: clock-sh7786: add CLKDEV_ICK_ID for cleanup
sh: clock-sh7785: add CLKDEV_ICK_ID for cleanup
sh: clock-sh7757: add CLKDEV_ICK_ID for cleanup
sh: clock-sh7366: add CLKDEV_ICK_ID for cleanup
sh: clock-sh7343: add CLKDEV_ICK_ID for cleanup
sh: clock-sh7722: add CLKDEV_ICK_ID for cleanup
sh: clock-sh7724: add CLKDEV_ICK_ID for cleanup
sh: clock-sh7366: modify I2C clock settings
sh: clock-sh7343: modify I2C clock settings
sh: clock-sh7723: modify I2C clock settings
sh: clock-sh7722: modify I2C clock settings
sh: clock-sh7724: modify I2C clock settings
serial: sh-sci: Fix up pretty name printing for port IRQs.
serial: sh-sci: Kill off per-port enable/disable callbacks.
serial: sh-sci: Add missing module description/author bits.
serial: sh-sci: Regtype probing doesn't need to be fatal.
sh: Tidy up pre-clkdev clk_get() error handling.
...
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IRQ-capable GPIOs on sh7372 can be configured to produce interrupts on
both edges.
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>
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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Trivial cleanup.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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This V2 patch changes the clock disabling behavior during boot.
Two different changes are made:
1) Delay disabling of clocks until late in the boot process.
This fixes an existing issue where in-use clocks without
software reference are disabled by mistake during boot.
One example of this is the handling of the Mackerel serial
console output that shares clock with the I2C controller.
2) Write out the "disabled" state to the hardware for clocks
that not have been used by the kernel. In other words,
make sure so far unused clocks actually get turned off.
Signed-off-by: Magnus Damm <damm@opensource.se>
Acked-by: Simon Horman <horms@verge.net.au>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Extend the SH / SH-Mobile ARM clock framework to only
resume clocks that have been enabled.
Without this fix divide-by-zero is triggering on sh7372
FSIDIV during system wide resume of Suspend-to-RAM.
Signed-off-by: Magnus Damm <damm@opensource.se>
Reviewed-by: Simon Horman <horms@verge.net.au>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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div6 clock should not use arch_flags for clk_rate_table_build,
because SH_CLK_DIV6_EXT doesn't care .arch_flags.
clk->freq_table[] will be all CPUFREQ_ENTRY_INVALID without this patch.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Cc: stable@kernel.org
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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I missed that coccinelle does not fix up header files by default.
Reported-by: Rafael J. Wysocki <rjw@sisk.pl>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Paul Mundt <lethal@linux-sh.org>
Cc: <lethal@linux-sh.org>
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Scripted with coccinelle.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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Convert the SuperH clocks framework and shared interrupt handling
code to using struct syscore_ops instead of a sysdev classes and
sysdevs for power managment.
This reduces the code size significantly and simplifies it. The
optimizations causing things not to be restored after creating a
hibernation image are removed, but they might lead to undesirable
effects during resume from hibernation (e.g. the clocks would be left
as the boot kernel set them, which might be not the same way as the
hibernated kernel had seen them before the hibernation).
This also is necessary for removing sysdevs from the kernel entirely
in the future.
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Clear the valid flag is in the INTC code.
Without this fix bit 7 of the sense register
is mistakenly set.
Signed-off-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Remove kobject.h from files which don't need it, notably,
sched.h and fs.h.
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Presently the root node is initialized by way of kzalloc on the parent
data structure, which by chance happens to do the bulk of what an
explicit initialization does with GFP_NOWAIT semantics. This however is
more by luck than by design, and as we ideally want to permit radix node
allocations access to the emergency pools anyways, add in the proper
initializer with the desired mask.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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The disabling of the init op for non-legacy clocks neglected to do the
same in the core clock framework, resulting in a build failure. Fix it
up.
Reported-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Now that clk_set_rate_ex() is gone, there is also no way to get at rate
setting algo id, which is now also completely unused. Kill it off before
new clock ops start using it.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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With the refactoring of the SH7722 clock framework some time ago this
abstraction has become unecessary. Kill it off before anyone else gets
the bright idea to start using it.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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The radix tree retry logic got a bit of an overhaul and subsequently
broke the virtual IRQ subgroup build. Simply switch over to
radix_tree_deref_retry() as per the filemap changes, which the virq
lookup logic was modelled after in the first place.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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CC drivers/sh/clk/core.o
drivers/sh/clk/core.c: In function 'clk_round_parent':
drivers/sh/clk/core.c:574: warning: format '%lu' expects type 'long unsigned int', but argument 2 has type 'unsigned int'
drivers/sh/clk/core.c:594: warning: format '%lu' expects type 'long unsigned int', but argument 2 has type 'unsigned int'
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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'sh/intc-extension' into sh-fixes-for-linus
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The clk_round_parent() change introduced various checkpatch warnings,
tidy them up.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Sometimes it is possible and reasonable to adjust the parent clock rate to
improve precision of the child clock, e.g., if the child clock has no siblings.
clk_round_parent() is a new addition to the SH clock-framework API, that
implements such an optimization for child clocks with divisors, taking all
integer values in a range.
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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According to the linux/clk.h definition we should be handing back an
errno value or a valid rate. This fixes up the case where 0 can be
returned for invalid frequencies or cases where rounding has no
selectable candidate.
Reported-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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There's no need to iterative over every single irq_desc when we can
already work out which IRQs have a backing descriptor via the shiny new
for_each_active_irq(). Switch to that instead.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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The ctrl_xxx routines are deprecated, switch over to the __raw_xxx
versions.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Now that the genirq code provides an IRQ bitmap of its own and the
necessary API to manipulate it, there's no need to keep our own version
around anymore.
In the process we kill off some unused IRQ reservation code, with future
users now having to tie in to the genirq API as normal.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Switch over to the new allocator functions.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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This shuffles the clock framework code around to a drivers/sh/clk subdir,
to follow the intc split up. This will make it easier to subsequently
break things out as well as plug in different helpers for non-CPG users.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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The end condition of for_each_frequency should care about
both clk_rate_table_round and clk_rate_div_range_round,
and using "correct max size" is a natural idea in later function.
To avoid data over flow, this patch didn't modify
clk_rate_div_range_round side as .max = div_max + 1.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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When updating the iterator macro an old argument assignment was used on
the initial assignment causing a fault on the table rounding. Fix it up.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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This adds a new clk_rate_div_range_round() for implementing rate rounding
by divisor ranges. This can be used trivially by clocks that support
arbitrary ranged divisors without the need for rate table construction.
This should only be used by clocks that both have large divisor ranges in
addition to clocks that will never be arbitrarily scaled, as the lack of
a backing frequency table will prevent cpufreq from being able to do much
of anything with them.
Primarily intended for use as a ->recalc helper.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Presently the only assisted rate rounding is frequency table backed, but
there are cases where it's impractical to use a frequency table for
certain clocks (such as the FSIDIV case, which supports 65535 divisors),
and we wish to reuse the same rate rounding algorithm.
This breaks out the core of the rate rounding logic in to its own helper
routine and shuffles the frequency table logic around, switching to using
an iterator for the generic helper routine.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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This implements support for ioremapping of register windows that
encapsulate clock control registers used by a struct clk, with
transparent sibling inheritance.
Root clocks at the top of a given topology often encapsulate the entire
register space of all of their sibling clocks, so this mapping can be
done once and handed down. A given clock enable/disable case maps out to
a single bit in a shared register, so this prevents creating multiple
overlapping mappings.
The mapping case breaks down in to a couple of different situations:
- Sibling clocks without a specific mapping.
- Root clocks without a specific mapping.
- Any of sibling/root clocks with a specific mapping.
Sibling clocks with no specified mapping will grovel up the clock chain
and install the root clock mapping unconditionally at registration time.
Root clocks without their own mappings have a dummy BSS-initialized
mapping inserted that is handed down the chain just like any other
mapping. This permits all of the sibling clock ops to read/write using
the mapping offsets without any special configuration, enabling them to
not care whether access ultimately goes through translatable or
untranslatable memory.
Any clock with its own mapping will have the window initialized at
registration time and be ready for use by its clock ops. Failure to
establish the mapping will prevent registration, so no additional sanity
checks are needed. Sibling clocks that double as parents for the moment
will not propagate their mapping down, but this is easily tunable if the
need arises.
All clock mappings are kref refcounted, with each instance of mapping
inheritance incrementing the refcount.
Tested-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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