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* [ARM] gpio_free might sleep, arm architectureUwe Kleine-König2008-10-30
| | | | | | | | | | | | | | | | 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>
* Merge branch 'pxa-all' into develRussell King2008-10-09
|\ | | | | | | | | | | | | | | | | Conflicts: arch/arm/mach-pxa/Kconfig arch/arm/mach-pxa/corgi.c arch/arm/mach-pxa/include/mach/hardware.h arch/arm/mach-pxa/spitz.c
| * [ARM] 5298/1: Drop desc_handle_irq()Dmitry Baryshkov2008-10-09
| | | | | | | | | | | | | | | | desc_handle_irq() was declared as obsolete since long ago. Replace it with generic_handle_irq() Signed-off-by: Dmitry Baryshkov <dbaryshkov@gmail.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* | [ARM] Convert asm/bitops.h to linux/bitops.hRussell King2008-09-06
| | | | | | | | Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* | [ARM] Convert asm/io.h to linux/io.hRussell King2008-09-06
|/ | | | Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* [ARM] Move include/asm-arm/arch-* to arch/arm/*/include/machRussell King2008-08-07
| | | | | | This just leaves include/asm-arm/plat-* to deal with. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* [ARM] Eliminate useless includes of asm/mach-types.hRussell King2008-08-07
| | | | | | | | There are 43 includes of asm/mach-types.h by files that don't reference anything from that file. Remove these unnecessary includes. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* [ARM] Fix explicit asm(-arm)?/arch-foo referencesRussell King2008-08-02
| | | | | | | | 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>
* Remove use of asm/semaphore.hMatthew Wilcox2008-07-24
| | | | | | Change to use linux/semaphore.h Signed-off-by: Matthew Wilcox <willy@linux.intel.com>
* Merge branch 'irq-fix' of ↵Russell King2008-05-07
|\ | | | | | | git://www.modarm9.com/gitsrc/pub/people/ukleinek/linux-2.6.git
| * ns9xxx: fix sparse warningUwe Kleine-König2008-04-25
| | | | | | | | | | | | | | The actual warning is arch/arm/mach-ns9xxx/irq.c:65:6: warning: symbol 'handle_prio_irq' was not declared. Should it be static? Signed-off-by: Uwe Kleine-König <Uwe.Kleine-Koenig@digi.com>
| * ns9xxx: check for irq lockupsUwe Kleine-König2008-04-25
| | | | | | | | | | | | | | | | When I copy-adapted handle_level_irq I skipped note_interrupt because I considered it unimportant. If I had understand its importance I would have saved myself some ours of debugging. Signed-off-by: Uwe Kleine-König <Uwe.Kleine-Koenig@digi.com>
| * ns9xxx: fix handle_prio_irq to unmask irqs with lower priorityUwe Kleine-König2008-04-25
| | | | | | | | | | | | | | | | | | | | When an irq is reported all lower prio irqs are masked until the current irq is acked. So never leave handle_prio_irq without acking. desc->status & IRQ_INPROGRESS should never become true because the current irq is masked until it is acked, too. Signed-off-by: Uwe Kleine-König <Uwe.Kleine-Koenig@digi.com>
* | ns9xxx: add clock apiUwe Kleine-König2008-03-31
| | | | | | | | Signed-off-by: Uwe Kleine-König <Uwe.Kleine-Koenig@digi.com>
* | ns9xxx: add support for irq priorisationUwe Kleine-König2008-03-31
|/ | | | | | | | | | | prio2irq(0) is the highest prioritized interrupt. For now there is no binary change intended. If you intend to change the priorisation, you have to assert: ∀ x ∈ {0, 1, ⋯ 31}: (irq2prio ∘ prio2irq)(x) = x Signed-off-by: Uwe Kleine-König <Uwe.Kleine-Koenig@digi.com>
* ns9xxx: make use of the chip's irq priorisationUwe Kleine-König2008-03-31
| | | | | | | The irq controller automatically masks the current and all lower prioritised tasks until the current irq is acked. Signed-off-by: Uwe Kleine-König <Uwe.Kleine-Koenig@digi.com>
* ns9xxx: prepare for adding support for Digi ns921x processorsUwe Kleine-König2008-03-31
| | | | | | | | | | | | | | | | | | | | | | | | | | 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>
* ns9xxx: introduce a config variable for the cc9p9360 moduleUwe Kleine-König2008-03-31
| | | | | | | Moreover now it's the module that selects the processor, and not the machine anymore. Signed-off-by: Uwe Kleine-König <Uwe.Kleine-Koenig@digi.com>
* ns9xxx: use default text offsetUwe Kleine-König2008-03-31
| | | | Signed-off-by: Uwe Kleine-König <Uwe.Kleine-Koenig@digi.com>
* ns9xxx: move registration of serial8250 to a dedicated fileUwe Kleine-König2008-03-31
| | | | | | | Now the needed structs are allocated dynamically from __init code reducing memory usage if the kernel runs on a board different from a9m9750dev. Signed-off-by: Uwe Kleine-König <Uwe.Kleine-Koenig@digi.com>
* [ARM] 4851/1: ns9xxx: fix size of gpioresUwe Kleine-König2008-03-08
| | | | | | | | 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>
* [ARM] 4595/1: ns9xxx: define registers as void __iomem * instead of volatile u32Uwe Kleine-König2007-10-12
| | | | | | | 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>
* [ARM] 4594/1: ns9xxx: use the new gpio functionsUwe Kleine-König2007-10-12
| | | | | | | | | Up to now only board-a9m9750dev.c used GPIOs. It just wrote directly into the corresponding registers. Now it properly reserves the gpio and uses the API function to configure it. Signed-off-by: Uwe Kleine-König <ukleinek@informatik.uni-freiburg.de> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* [ARM] 4593/1: ns9xxx: implement generic clockeventsUwe Kleine-König2007-10-12
| | | | | Signed-off-by: Uwe Kleine-König <ukleinek@informatik.uni-freiburg.de> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* [ARM] 4592/1: ns9xxx: clocksource driverUwe Kleine-König2007-10-12
| | | | | Signed-off-by: Uwe Kleine-König <ukleinek@informatik.uni-freiburg.de> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* [ARM] 4590/1: ns9xxx: add gpio handling functionsUwe Kleine-König2007-10-12
| | | | | | | | | | | 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>
* [ARM] 4589/1: ns9xxx: acknowledge IRQ_EXT2 in the demux routine for FPGA irqsUwe Kleine-König2007-10-12
| | | | | | | | The FPGA on the a9m9750dev board interrupts the CPU via EXT2. So to acknowledge any FPGA interrupt IRQ_EXT2 must be acknowledged. Signed-off-by: Uwe Kleine-König <ukleinek@informatik.uni-freiburg.de> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* [ARM] 4545/1: ns9xxx: simplify irq ack'ingUwe Kleine-König2007-10-12
| | | | | | | | | | Now the drivers are responsible to clear the irq in the respective device, which seems to be the normal thing to do. So the ack'ing of the timer irq moved to time.c. Signed-off-by: Uwe Kleine-König <ukleinek@informatik.uni-freiburg.de> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* [ARM] 4493/1: ns9xxx: disable a non-reloading timer before ack'ing its irqUwe Kleine-König2007-07-20
| | | | | | | The HRM states that is must be done this way ... Signed-off-by: Uwe Kleine-König <ukleinek@informatik.uni-freiburg.de> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* [ARM] 4487/1: ns9xxx: complete definition of GPIO related registersUwe Kleine-König2007-07-20
| | | | | | | | | | | | | I changed the naming to be more obvious---unfortunately the HRM doesn't specify these. Moreover the numbering is changed to be zero indexed as this is more natural. Adjust all callers. Signed-off-by: Uwe Kleine-König <ukleinek@informatik.uni-freiburg.de> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* [ARM] 4486/1: ns9xxx: fix a typo in the register definitions.Uwe Kleine-König2007-07-20
| | | | | | | Fixed all users. Signed-off-by: Uwe Kleine-König <ukleinek@informatik.uni-freiburg.de> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* [ARM] 4485/1: ns9xxx: pass the correct irq number to the interrupt handlersUwe Kleine-König2007-07-20
| | | | | Signed-off-by: Uwe Kleine-König <ukleinek@informatik.uni-freiburg.de> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* [ARM] 4483/1: ns9xxx: fix three sparse warnings: symbol 'xyz' was not declared.Uwe Kleine-König2007-07-20
| | | | | | | | make ns9xxx_ack_irq_functions static and add one include to get declarations for ns9xxx_map_io and ns9xxx_init_machine. Signed-off-by: Uwe Kleine-König <ukleinek@informatik.uni-freiburg.de> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* [ARM] 4482/1: ns9xxx: fix compilation for mach-type CC9P9360JSUwe Kleine-König2007-07-20
| | | | | | | | I must have written the patch introducing support for this machine deep in the night... Signed-off-by: Uwe Kleine-König <ukleinek@informatik.uni-freiburg.de> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* [ARM] spelling fixesSimon Arlott2007-05-20
| | | | | | | Spelling fixes in arch/arm/. Signed-off-by: Simon Arlott <simon@fire.lp0.eu> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* Add IRQF_IRQPOLL flag on armBernhard Walle2007-05-08
| | | | | | | | | | | | Add IRQF_IRQPOLL for each timer interrupt. Signed-off-by: Bernhard Walle <bwalle@suse.de> Cc: Russell King <rmk@arm.linux.org.uk> Cc: Ingo Molnar <mingo@elte.hu> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Alan Cox <alan@lxorguk.ukuu.org.uk> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* [ARM] 4301/1: add mach type cc9p9360jsUwe Kleine-König2007-04-21
| | | | | | | | | | | The support for that machine is not yet complete, but it's enough to be useful as a test platform for the serial and ethernet driver. Moreover a typo in the product name is fixed that I missed in the last patch. Signed-off-by: Uwe Kleine-König <ukleinek@informatik.uni-freiburg.de> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* [ARM] 4247/1: Fix long name for cc9p9360devUwe Kleine-König2007-03-08
| | | | | | | The Product Manager of the cc9p insist on using the correct product names. Signed-off-by: Uwe Kleine-König <ukleinek@informatik.uni-freiburg.de> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* [ARM] 4210/1: base for new machine type "NetSilicon NS9360"Uwe Kleine-König2007-02-17
Signed-off-by: Uwe Kleine-König <ukleinek@informatik.uni-freiburg.de> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>