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2011-03-29arm: Fold irq_set_chip/irq_set_handlerThomas Gleixner1-2/+2
Use irq_set_chip_and_handler() instead. Converted with coccinelle. Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2011-03-29arm: Cleanup the irq namespaceThomas Gleixner1-17/+17
Convert to the new function names. Automated with coccinelle. Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2011-03-29arm: nomadik: Use local irq stateThomas Gleixner1-6/+10
Store the enabled mask in the local state, so there is no need to fiddle in the irq descriptor. Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2011-03-29arm: nomadik: Remove non existing cpu id checkThomas Gleixner1-7/+0
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2011-03-25arm/gpio: Remove three copies of broken and racy debug codeThomas Gleixner1-45/+0
gpiolib plus two gpio implementations in arm fiddle in the guts of irq_desc in a racy and buggy way. Remove the stuff. I already told the gpio folks that we can provide that information in a proper way if necessary. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Grant Likely <grant.likely@secretlab.ca> LKML-Reference: <20110324212508.931638262@linutronix.de>
2011-03-22Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/djbw/async_txLinus Torvalds1-19/+3
* 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/djbw/async_tx: (66 commits) avr32: at32ap700x: fix typo in DMA master configuration dmaengine/dmatest: Pass timeout via module params dma: let IMX_DMA depend on IMX_HAVE_DMA_V1 instead of an explicit list of SoCs fsldma: make halt behave nicely on all supported controllers fsldma: reduce locking during descriptor cleanup fsldma: support async_tx dependencies and automatic unmapping fsldma: fix controller lockups fsldma: minor codingstyle and consistency fixes fsldma: improve link descriptor debugging fsldma: use channel name in printk output fsldma: move related helper functions near each other dmatest: fix automatic buffer unmap type drivers, pch_dma: Fix warning when CONFIG_PM=n. dmaengine/dw_dmac fix: use readl & writel instead of __raw_readl & __raw_writel avr32: at32ap700x: Specify DMA Flow Controller, Src and Dst msize dw_dmac: Setting Default Burst length for transfers as 16. dw_dmac: Allow src/dst msize & flow controller to be configured at runtime dw_dmac: Changing type of src_master and dest_master to u8. dw_dmac: Pass Channel Priority from platform_data dw_dmac: Pass Channel Allocation Order from platform_data ...
2011-03-14plat-nomadik: make GPIO interrupts work with cpuidle ApSleepRabin Vincent2-17/+100
Enable wakeups by default for any GPIO interrupts and in the suspend/resume path narrow this down to only the the real wakeup interrupts. This approach is based on the assumption that cpuidle ApSleep will be entered more often than system suspend. Signed-off-by: Rabin Vincent <rabin.vincent@stericsson.com> Reviewed-by: Srinidhi Kasagar <srinidhi.kasagar@stericsson.com> [Fixup for genirq changes to struct irq_data on 2.6.38] Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2011-03-14plat-nomadik: fix compilation warningLinus Walleij1-5/+2
The compiler warns that [rf]wimsc may be used uninitialized in this function - the warning is actually false since the uses are in identical if()-clauses, but it can't hurt very much to read out the values to be modified early anyway and rid the warning. Cc: Rabin Vincent <rabin.vincent@stericsson.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2011-03-14plat-nomadik: get rid of unused GPIO PM codeRabin Vincent2-79/+3
The NOMADIK_GPIO_PM config option is disabled by default, not user visible, and never selected by any other option: the code is therefore unused. The GPIO registers need not be saved and restored since their values are preserved when vAPE (on DB8500) is powered down. Signed-off-by: Rabin Vincent <rabin.vincent@stericsson.com> Reviewed-by: Jonas Aberg <jonas.aberg@stericsson.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2011-03-14plat-nomadik: change sleep/wakeup setting in GPIO SLPM registerRikard Olsson1-1/+1
This patch fixes a bug when setting SLPM register for DB8500. When calling__nmk_gpio_set_slpm(...) offset to GPIO is now used instead of the GPIO number itself. Signed-off-by: Rikard Olsson <rikard.p.olsson@stericsson.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2011-03-14plat-nomadik: implement safe switch sequence for Alt-CRabin Vincent2-40/+172
Setting pinmux alternative C for a GPIO pin is actually not so easy since it ivolves setting value "1" in two registers, and since the combined result will take effect for intermediate values (01 or 10) this will cause glitches while you wrote one register but have not yet written the other. This patch implements a series of kludges including an optional machine-specific callback to avoid glitches when changing pin mux mode to alternative C. Signed-off-by: Rabin Vincent <rabin.vincent@stericsson.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2011-03-14plat-nomadik: set altfunc to GPIO when enabling the sleep configRabin Vincent1-0/+2
Signed-off-by: Rabin Vincent <rabin.vincent@stericsson.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2011-03-14plat-nomadik: type secondary IRQ correctlyVirupax Sadashivpetimath1-1/+1
Coverity found that we were checking an unsigned variable for >= zero. Type it correctly so that the check works as intended. Signed-off-by: Virupax Sadashivpetimath <virupax.sadashivpetimath@stericsson.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2011-03-14plat-nomadik: pull-up/down settings for GPIO resumeJonas Aaberg2-24/+60
Suspend/resume didn't take care of pull-up and pull-down settings and writing back the DAT register at resume can change pull up/down settings, depending on pin input value. Output values are now also restored. Signed-off-by: Jonas Aaberg <jonas.aberg@stericsson.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2011-03-14plat-nomadik: support secondary GPIO interruptsRabin Vincent2-6/+46
When GPIOs wake up the system from sleep mode, the normal GPIO interrupt handler does not hit and the normal interrupt status register does not contain the status. Instead the secondary GPIO handler does, and the interrupt status needs to be retrieved from the wakeup status saved by the suspend/resume code. Signed-off-by: Rabin Vincent <rabin.vincent@stericsson.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2011-03-14plat-nomadik: implement suspend/resume for GPIORabin Vincent1-2/+49
Signed-off-by: Rabin Vincent <rabin.vincent@stericsson.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2011-03-14plat-nomadik: add custom dbg_show for GPIORabin Vincent1-0/+92
Signed-off-by: Rabin Vincent <rabin.vincent@stericsson.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2011-03-14plat-nomadik: support varying number of GPIOs per blockRabin Vincent2-3/+3
Signed-off-by: Rabin Vincent <rabin.vincent@stericsson.com> [Added constant 32-pin assignment in platform data] Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2011-01-30dma40: remove export of stedma40_memcpy_sgRabin Vincent1-19/+0
The dmaengine framework has the API for this now. Acked-by: Per Forlin <per.forlin@stericsson.com> Acked-by: Jonas Aaberg <jonas.aberg@stericsson.com> Signed-off-by: Rabin Vincent <rabin.vincent@stericsson.com> Signed-off-by: Linus Walleij <linus.walleij@stericsson.com> Signed-off-by: Dan Williams <dan.j.williams@intel.com>
2011-01-30dma40: allow realtime and priority for event linesRabin Vincent1-0/+3
DB8500v2's DMA40 (revision 3) allows setting event lines as high priority and real time. Acked-by: Per Forlin <per.forlin@stericsson.com> Acked-by: Jonas Aaberg <jonas.aberg@stericsson.com> Signed-off-by: Rabin Vincent <rabin.vincent@stericsson.com> Signed-off-by: Linus Walleij <linus.walleij@stericsson.com> Signed-off-by: Dan Williams <dan.j.williams@intel.com>
2011-01-17Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/djbw/async_txLinus Torvalds1-0/+8
* 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/djbw/async_tx: (63 commits) ARM: PL08x: cleanup comments Update CONFIG_MD_RAID6_PQ to CONFIG_RAID6_PQ in drivers/dma/iop-adma.c ARM: PL08x: fix a warning Fix dmaengine_submit() return type dmaengine: at_hdmac: fix race while monitoring channel status dmaengine: at_hdmac: flags located in first descriptor dmaengine: at_hdmac: use subsys_initcall instead of module_init dmaengine: at_hdmac: no need set ACK in new descriptor dmaengine: at_hdmac: trivial add precision to unmapping comment dmaengine: at_hdmac: use dma_address to program DMA hardware pch_dma: support new device ML7213 IOH ARM: PL08x: prevent dma_set_runtime_config() reconfiguring memcpy channels ARM: PL08x: allow dma_set_runtime_config() to return errors ARM: PL08x: fix locking between prepare function and submit function ARM: PL08x: introduce 'phychan_hold' to hold on to physical channels ARM: PL08x: put txd's on the pending list in pl08x_tx_submit() ARM: PL08x: rename 'desc_list' as 'pend_list' ARM: PL08x: implement unmapping of memcpy buffers ARM: PL08x: store prep_* flags in async_tx structure ARM: PL08x: shrink srcbus/dstbus in txd structure ...
2011-01-13ARM: plat-nomadik: irq_data conversion.Lennert Buytenhek1-28/+28
Signed-off-by: Lennert Buytenhek <buytenh@secretlab.ca> Acked-by: Rabin Vincent <rabin.vincent@stericsson.com>
2011-01-06Merge branch 'devel-stable' into develRussell King2-22/+100
Conflicts: arch/arm/mach-pxa/clock.c arch/arm/mach-pxa/clock.h
2011-01-04dmaengine: dma40: Add support to split up large elementsPer Forlin1-0/+8
The maximum transfer size of the stedma40 is (64k-1) x data-width. If the transfer size of one element exceeds this limit the job is split up and sent as linked transfer. Signed-off-by: Per Forlin <per.forlin@linaro.org> Signed-off-by: Dan Williams <dan.j.williams@intel.com>
2010-12-22ARM: nomadik: convert sched_clock() to use new infrastructureRussell King2-67/+10
Convert nomadik platforms to use the new sched_clock() infrastructure for extending 32bit counters to full 64-bit nanoseconds. Acked-by: Linus Walleij <linus.walleij@stericsson.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2010-12-22ARM: ensure all sched_clock() implementations are notrace markedRussell King1-0/+1
ftrace requires sched_clock() to be notrace. Ensure that all implementations are so marked. Also make sure that they include linux/sched.h Also ensure OMAP clocksource read functions are marked notrace as they're used for sched_clock() too. Tested-by: Santosh Shilimkar <santosh.shilimkar@ti.com> Tested-by: Will Deacon <will.deacon@arm.com> Tested-by: Mikael Pettersson <mikpe@it.uu.se> Tested-by: Eric Miao <eric.y.miao@gmail.com> Tested-by: Olof Johansson <olof@lixom.net> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2010-12-22ARM: nomadik: update clock source registrationRussell King1-2/+1
In d7e81c2 (clocksource: Add clocksource_register_hz/khz interface) new interfaces were added which simplify (and optimize) the selection of the divisor shift/mult constants. Switch over to using this new interface. Acked-by: Linus Walleij <linus.walleij@stericsson.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2010-12-08nomadik-gpio: use dev name if no name is specifiedRabin Vincent1-1/+1
Platforms may choose not to provide an additional name for the GPIO block. Signed-off-by: Rabin Vincent <rabin.vincent@stericsson.com> Signed-off-by: Linus Walleij <linus.walleij@stericsson.com>
2010-12-08nomadik-gpio: allow sleep mode dir/pull to differ from normal modeRabin Vincent2-21/+99
In the nomadik GPIO pin configuration, allow the sleep mode direction and pull configurations to differ from the ones for the normal state. PIN_SLPM_PULL_*, PIN_SLPM_INPUT, PIN_SLPM_OUTPUT* macros are provided for this. Since the hardware does not allow seperate configurations for sleep mode and normal mode, this is implemented by having software remux the configurations as necessary. Reviewed-by: Srinidhi KASAGAR <srinidhi.kasagar@stericsson.com> Signed-off-by: Rabin Vincent <rabin.vincent@stericsson.com> Signed-off-by: Mian Yousaf Kaukab <mian.yousaf.kaukab@stericsson.com> Signed-off-by: Linus Walleij <linus.walleij@stericsson.com>
2010-11-21ARM: 6488/1: nomadik: prevent sched_clock() wraparoundLinus Walleij1-9/+80
The current implementation of sched_clock() for the Nomadik family is based on the clock source that will wrap around without any compensation. Currently on the Ux500 after 1030 seconds. Utilize cnt32_to_63 to expand the sched_clock() counter to 63 bits and introduce a keepwarm() timer to assure that sched clock and this cnt32_to_63 is called atleast once every half period. When I print out the actual wrap-around time, and using a year (3600*24*365 seconds) as minumum wrap limit I get an actual wrap-around of: sched_clock: using 55 bits @ 8333125 Hz wrap in 416 days Signed-off-by: Linus Walleij <linus.walleij@stericsson.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2010-10-27Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/djbw/async_txLinus Torvalds1-74/+60
* 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/djbw/async_tx: (48 commits) DMAENGINE: move COH901318 to arch_initcall dma: imx-dma: fix signedness bug dma/timberdale: simplify conditional ste_dma40: remove channel_type ste_dma40: remove enum for endianess ste_dma40: remove TIM_FOR_LINK option ste_dma40: move mode_opt to separate config ste_dma40: move channel mode to a separate field ste_dma40: move priority to separate field ste_dma40: add variable to indicate valid dma_cfg async_tx: make async_tx channel switching opt-in move async raid6 test to lib/Kconfig.debug dmaengine: Add Freescale i.MX1/21/27 DMA driver intel_mid_dma: change the slave interface intel_mid_dma: fix the WARN_ONs intel_mid_dma: Add sg list support to DMA driver intel_mid_dma: Allow DMAC2 to share interrupt intel_mid_dma: Allow IRQ sharing intel_mid_dma: Add runtime PM support DMAENGINE: define a dummy filter function for ste_dma40 ...
2010-10-27Remove duplicate includes from many filesZimny Lech1-1/+0
Signed-off-by: Zimny Lech <napohybelskurwysynom2010@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-10-25Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/inputLinus Torvalds1-0/+50
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: (75 commits) Input: wacom - specify Cinitq supported tools Input: ab8500-ponkey - fix IRQ freeing in error path Input: adp5588-keys - use more obvious i2c_device_id name string Input: ad7877 - switch to using threaded IRQ Input: ad7877 - use attribute group to control visibility of attributes Input: serio - add support for PS2Mult multiplexer protocol Input: wacom - properly enable runtime PM Input: ad7877 - filter events where pressure is beyond the maximum Input: ad7877 - implement EV_KEY:BTN_TOUCH reporting Input: ad7877 - implement specified chip select behavior Input: hp680_ts_input - use cancel_delayed_work_sync() Input: mousedev - correct lockdep annotation Input: ads7846 - switch to using threaded IRQ Input: serio - support multiple child devices per single parent Input: synaptics - simplify pass-through port handling Input: add ROHM BU21013 touch panel controller support Input: omap4-keypad - wake-up on events & long presses Input: omap4-keypad - fix interrupt line configuration Input: omap4-keypad - SYSCONFIG register configuration Input: omap4-keypad - use platform device helpers ...
2010-10-19ste_dma40: remove channel_typeRabin Vincent1-9/+0
It has been replaced with separate fields. Acked-by: Jonas Aaberg <jonas.aberg@stericsson.com> Signed-off-by: Rabin Vincent <rabin.vincent@stericsson.com> Signed-off-by: Linus Walleij <linus.walleij@stericsson.com> Signed-off-by: Dan Williams <dan.j.williams@intel.com>
2010-10-19ste_dma40: remove enum for endianessRabin Vincent1-7/+2
A bool will suffice. The default is little endian. Acked-by: Jonas Aaberg <jonas.aberg@stericsson.com> Signed-off-by: Rabin Vincent <rabin.vincent@stericsson.com> Signed-off-by: Linus Walleij <linus.walleij@stericsson.com> Signed-off-by: Dan Williams <dan.j.williams@intel.com>
2010-10-19ste_dma40: remove TIM_FOR_LINK optionRabin Vincent1-5/+0
This does not seem to be implemented. Acked-by: Jonas Aaberg <jonas.aberg@stericsson.com> Signed-off-by: Rabin Vincent <rabin.vincent@stericsson.com> Signed-off-by: Linus Walleij <linus.walleij@stericsson.com> Signed-off-by: Dan Williams <dan.j.williams@intel.com>
2010-10-19ste_dma40: move mode_opt to separate configRabin Vincent1-8/+10
Defaults are "basic mode" for physical channels, and "logical source logical destination" for logical channels. Acked-by: Jonas Aaberg <jonas.aberg@stericsson.com> Signed-off-by: Rabin Vincent <rabin.vincent@stericsson.com> Signed-off-by: Linus Walleij <linus.walleij@stericsson.com> Signed-off-by: Dan Williams <dan.j.williams@intel.com>
2010-10-19ste_dma40: move channel mode to a separate fieldRabin Vincent1-5/+7
And keep it logical by default. Acked-by: Jonas Aaberg <jonas.aberg@stericsson.com> Signed-off-by: Rabin Vincent <rabin.vincent@stericsson.com> Signed-off-by: Linus Walleij <linus.walleij@stericsson.com> Signed-off-by: Dan Williams <dan.j.williams@intel.com>
2010-10-19ste_dma40: move priority to separate fieldRabin Vincent1-5/+2
And keep it low priority by default. Acked-by: Jonas Aaberg <jonas.aberg@stericsson.com> Signed-off-by: Rabin Vincent <rabin.vincent@stericsson.com> Signed-off-by: Linus Walleij <linus.walleij@stericsson.com> Signed-off-by: Dan Williams <dan.j.williams@intel.com>
2010-10-18Merge branches 'at91', 'dcache', 'ftrace', 'hwbpt', 'misc', 'mmci', 's3c', 'st-ux' and 'unwind' into develRussell King4-38/+107
2010-10-13Input: add support for Nomadik SKE keypad controllerSundar Iyer1-0/+50
Add support for the keypad controller in the Scroll Key Encoder (SKE) module on the Nomadik family and the DB8500 SoC. Acked-by: Linus Walleij <linus.walleij@stericsson.com> Signed-off-by: Sundar Iyer <sundar.iyer@stericsson.com> Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
2010-10-07DMAENGINE: define a dummy filter function for ste_dma40Linus Walleij1-0/+19
All platform data has to be made conditional on CONFIG_STEDMA40 or we can provide a simple dummy filter functions as to avoid cluttering the code with other #ifdef:s. Signed-off-by: Linus Walleij <linus.walleij@stericsson.com> Signed-off-by: Dan Williams <dan.j.williams@intel.com>
2010-10-07DMAENGINE: Remove stedma40_set_psize and pre_transfer hook in ste_dma40Per Forlin1-23/+1
Remove obsolete pre_transfer hook in stedma40_chan_cfg. The intent of this hook is merely to handle burst size compensation for ux500 variant MMCI. Remove obsolete stedma40_set_psize since it is only called from pre_transfer. DMAEngine device_control replaces the functionality of stedma40_set_psize. Signed-off-by: Per Forlin <per.forlin@stericsson.com> Signed-off-by: Dan Williams <dan.j.williams@intel.com>
2010-09-22DMAENGINE: ste_dma40: added kernel doc for structJonas Aaberg1-7/+15
The half-channel struct was undocumented. Signed-off-by: Jonas Aaberg <jonas.aberg@stericsson.com> Signed-off-by: Linus Walleij <linus.walleij@stericsson.com> Signed-off-by: Dan Williams <dan.j.williams@intel.com>
2010-09-22DMAENGINE: ste_dma40: removed non-used variable from structJonas Aaberg1-2/+0
The reqrite of the LCLA code rendered this variable unused. Signed-off-by: Jonas Aaberg <jonas.aberg@stericsson.com> Signed-off-by: Linus Walleij <linus.walleij@stericsson.com> Signed-off-by: Dan Williams <dan.j.williams@intel.com>
2010-09-22DMAENGINE: ste_dma40: code clean-upJonas Aaberg1-6/+7
This patch includes non functional code clean up changes, file header updates and a few magic numbers got defined. Signed-off-by: Jonas Aaberg <jonas.aberg@stericsson.com> Signed-off-by: Linus Walleij <linus.walleij@stericsson.com> Signed-off-by: Dan Williams <dan.j.williams@intel.com>
2010-09-22DMAENGINE: ste_dma40: config checksLinus Walleij1-1/+1
Added various configuration checks. Signed-off-by: Jonas Aaberg <jonas.aberg@stericsson.com> Signed-off-by: Linus Walleij <linus.walleij@stericsson.com> Signed-off-by: Dan Williams <dan.j.williams@intel.com>
2010-09-17ARM: 6376/1: plat-nomadik: MTU: Change prescaler limit and comment updatesLinus Walleij1-7/+10
The prescaler 16 is now used only when the timer runs at 32 MHz or more. Some comment updates as well. Acked-by: Alessandro Rubini <rubini@unipv.it> Signed-off-by: Jonas Aaberg <jonas.aberg@stericsson.com> Signed-off-by: Linus Walleij <linus.walleij@stericsson.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2010-09-17ARM: 6375/1: plat-nomadik: MTU timer trivial bug fixLinus Walleij1-14/+2
timer0 to 3 are all on mtu block 0, so don't calculate the clock event rate based upon mtu block 1's clock speed. Acked-by: Alessandro Rubini <rubini@unipv.it> Signed-off-by: Jonas Aaberg <jonas.aberg@stericsson.com> Signed-off-by: Linus Walleij <linus.walleij@stericsson.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2010-09-02ARM: 6347/2: nomadik: move nmk_gpio_probe to .devinit.textUwe Kleine-König1-1/+1
This fixes a section mismatch reported by modpost: WARNING: arch/arm/plat-nomadik/built-in.o(.data+0x100): Section mismatch in reference from the variable nmk_gpio_driver to the function .init.text:nmk_gpio_probe() The variable nmk_gpio_driver references the function __init nmk_gpio_probe() If the reference is valid then annotate the variable with __init* or __refdata (see linux/init.h) or name the variable: *_template, *_timer, *_sht, *_ops, *_probe, *_probe_one, *_console, According to Rabin VINCENT the alternative to use platform_driver_probe won't work because the "platform devices are not yet registered when nmk_gpio_init() is called." Acked-by: Rabin Vincent <rabin.vincent@stericsson.com> Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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