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According to the documentation gpio_free should only be called from task
context only. To make this more explicit add a might sleep to all
implementations.
This patch changes the gpio_free implementations for the arm architecture.
DaVinci is skipped on purpose to simplify the merge process for patches
switching it over to use gpiolib as per request by David Brownell.
Signed-off-by: Uwe Kleine-König <ukleinek@informatik.uni-freiburg.de>
Cc: David Brownell <david-b@pacbell.net>
Cc: Andrew Victor <linux@maxim.org.za>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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This just leaves include/asm-arm/plat-* to deal with.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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No file should be explicitly referencing its own platform headers
by specifying an absolute include path. Fix these paths to use
standard <asm/arch/...> includes.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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The hardware team changed some things that were taken as being common to
all ns9xxx processors up to now.
This patch addresses:
- irqs: s/IRQ_/IRQ_NS9360_/
- system module registers: some registers are still general, their
definition lives now in include/asm-arm/arch-ns9xxx/regs-sys-common.h.
The ns9360 specific ones are in .../regs-sys-ns9360.h
As a result ns9360_systemclock cannot be static inline any more as its
definition needs regs-sys-ns9360.h. This becomes a real problem when
adding support for ns9215 as this will need regs-sys-ns9215.h and
including both files will not work. For the same reason
ns9360_reset() is now non-inline and gpio functions live in their own
file.
- register mapping: s/ns9xxx_map_io/ns9360_map_io/
- timer registers: move time.c to time-ns9360.c;
s/ns9xxx_timer/ns9360_timer/
Signed-off-by: Uwe Kleine-König <Uwe.Kleine-Koenig@digi.com>
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GPIO_MAX is the number of the last gpio, not the number of gpios. So
the bitmap must provide GPIO_MAX + 1 bits.
Signed-off-by: Uwe Kleine-König <Uwe.Kleine-Koenig@digi.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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As a consequence registers are now accessed with __raw_{read,write}[bl].
Signed-off-by: Uwe Kleine-König <ukleinek@informatik.uni-freiburg.de>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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This implementation conforms to the general GPIO API
introduced in 2.6.21.
This patch was signed-of by David Brownell before I exported the functions
using EXPORT_SYMBOL.
Signed-off-by: Uwe Kleine-König <ukleinek@informatik.uni-freiburg.de>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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