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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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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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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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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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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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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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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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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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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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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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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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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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