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Add the initial support for the S3C64XX based systems to use
suspend-to-RAM to sleep.
Includes basic debugging for use with the SMDK6410 usign the
LEDs on the baseboard.
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
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Add definitions for the EINT group registers and move the EINT IRQ
register definitions out of arch/arm/plat-s3c64xx/irq-eint.c so that
they are available for re-use with PM and the other code.
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6 into s3c-fixes
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It's an initcall and does not need to be exported.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
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Set the GPIO pin mode to external interrupt when configuring
an IRQ_EINT's IRQ type.
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
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Currently the unmask function for EINT interrupts was setting the mask
bit rather than clearing it. This was also previously reported and
fixed by Kyungmin Park <kyungmin.park@samsung.com> and others.
Acked-By: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Select the correct EINT configuration register when configuring
the external interrupt level/edge type.
Signed-off-by: Matt Hsu <matt_hsu@openmoko.org>
[ben-linux@fluff.org: description improvement]
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
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Add the necessary code to support IRQ_EINT(x) on
the S3C64XX series of CPUs.
Note, since there is no GPIO configuration support
in the kernel, the irq set_type method does not
configure the relevant pin to interrupt.
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
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