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2006-12-07Merge branch 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-armLinus Torvalds
* 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm: (76 commits) [ARM] 4002/1: S3C24XX: leave parent IRQs unmasked [ARM] 4001/1: S3C24XX: shorten reboot time [ARM] 3983/2: remove unused argument to __bug() [ARM] 4000/1: Osiris: add third serial port in [ARM] 3999/1: RX3715: suspend to RAM support [ARM] 3998/1: VR1000: LED platform devices [ARM] 3995/1: iop13xx: add iop13xx support [ARM] 3968/1: iop13xx: add iop13xx_defconfig [ARM] Update mach-types [ARM] Allow gcc to optimise arm_add_memory a little more [ARM] 3991/1: i.MX/MX1 high resolution time source [ARM] 3990/1: i.MX/MX1 more precise PLL decode [ARM] 3986/1: H1940: suspend to RAM support [ARM] 3985/1: ixp4xx clocksource cleanup [ARM] 3984/1: ixp4xx/nslu2: Fix disk LED numbering (take 2) [ARM] 3994/1: ixp23xx: fix handling of pci master aborts [ARM] 3981/1: sched_clock for PXA2xx [ARM] 3980/1: extend the ARM Versatile sched_clock implementation from 32 to 63 bit [ARM] 3979/1: extend the SA11x0 sched_clock implementation from 32 to 63 bit period [ARM] 3978/1: macro to provide a 63-bit value from a 32-bit hardware counter ...
2006-12-07[ARM] Merge individual ARM sub-treesRussell King
Merge: Atmel AT91RM9200 and AT91SAM9260 changes General ARM developments Disconfiguous memory cleanups 64-bit/32-bit division and sched_clock extension patches EP93xx support changes IOP support changes Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2006-12-07[ARM] 4002/1: S3C24XX: leave parent IRQs unmaskedBen Dooks
Do not bother masking/unmasking the parent IRQ for the mulitplexed EINT irqs, as masking the leaf seems to be fine. Signed-off-by: Ben Dooks <ben-linux@fluff.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2006-12-07[ARM] 3983/2: remove unused argument to __bug()Nicolas Pitre
It appears that include/asm-arm/bug.h requires include/linux/stddef.h for the definition of NULL. It seems that stddef.h was always included indirectly in most cases, and that issue was properly fixed a while ago. Then commit 5047f09b56d0bc3c21aec9cb16de60283da645c6 incorrectly reverted change from commit ff10952a547dad934d9ed9afc5cf579ed1ccb53a (bad dwmw2) and the problem recently resurfaced. Because the third argument to __bug() is never used anyway, RMK suggested getting rid of it entirely instead of readding #include <linux/stddef.h> which this patch does. Signed-off-by: Nicolas Pitre <nico@cam.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2006-12-07[ARM] 4000/1: Osiris: add third serial port inBen Dooks
Add the mapping for the third S3C2440 serial port into the default serial devices for the Osiris. Signed-off-by: Ben Dooks <ben-linux@fluff.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2006-12-07[ARM] 3999/1: RX3715: suspend to RAM supportBen Dooks
The RX3715 is similar to the H1940 in the way that suspend to RAM works, so we can use most of the extant support for the H1940 with only a few modifictions Signed-off-by: Ben Dooks <ben-linux@fluff.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2006-12-07[ARM] 3998/1: VR1000: LED platform devicesBen Dooks
Support for the GPIO attached LEDs on the VR1000 Signed-off-by: Ben Dooks <ben-linux@fluff.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2006-12-07[ARM] 3995/1: iop13xx: add iop13xx supportDan Williams
The iop348 processor integrates an Xscale (XSC3 512KB L2 Cache) core with a Serial Attached SCSI (SAS) controller, multi-ported DDR2 memory controller, 3 Application Direct Memory Access (DMA) controllers, a 133Mhz PCI-X interface, a x8 PCI-Express interface, and other peripherals to form a system-on-a-chip RAID subsystem engine. The iop342 processor replaces the SAS controller with a second Xscale core for dual core embedded applications. The iop341 processor is the single core version of iop342. This patch supports the two Intel customer reference platforms iq81340mc for external storage and iq81340sc for direct attach (HBA) development. The developer's manual is available here: ftp://download.intel.com/design/iio/docs/31503701.pdf Changelog: * removed virtual addresses from resource definitions * cleaned up some unnecessary #include's Signed-off-by: Dan Williams <dan.j.williams@intel.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2006-12-07[ARM] 3968/1: iop13xx: add iop13xx_defconfigDan Williams
Signed-off-by: Dan Williams <dan.j.williams@intel.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2006-12-07[ARM] Update mach-typesRussell King
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2006-12-07[PATCH] add rtc-omap driverDavid Brownell
This creates a new RTC-framework driver for the RTC/calendar module found in various OMAP1 chips. (OMAP2 and OMAP3 use external RTCs, like those in TI's multifunction PM companion chips.) It's been in the Linux-OMAP tree for several months now, and other trees before that, so it's quite stable. The most notable issue is that the OMAP IRQ code doesn't yet support the RTC IRQ as a wakeup event. Once that's fixed, a patch will be needed. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Acked-by: Alessandro Zummo <a.zummo@towertech.it> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-12-07[PATCH] Add include/linux/freezer.h and move definitions from sched.hNigel Cunningham
Move process freezing functions from include/linux/sched.h to freezer.h, so that modifications to the freezer or the kernel configuration don't require recompiling just about everything. [akpm@osdl.org: fix ueagle driver] Signed-off-by: Nigel Cunningham <nigel@suspend2.net> Cc: "Rafael J. Wysocki" <rjw@sisk.pl> Cc: Pavel Machek <pavel@ucw.cz> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-12-07[PATCH] slab: remove kmem_cache_tChristoph Lameter
Replace all uses of kmem_cache_t with struct kmem_cache. The patch was generated using the following script: #!/bin/sh # # Replace one string by another in all the kernel sources. # set -e for file in `find * -name "*.c" -o -name "*.h"|xargs grep -l $1`; do quilt add $file sed -e "1,\$s/$1/$2/g" $file >/tmp/$$ mv /tmp/$$ $file quilt refresh done The script was run like this sh replace kmem_cache_t "struct kmem_cache" Signed-off-by: Christoph Lameter <clameter@sgi.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-12-07[PATCH] mm: arch do_page_fault() vs in_atomic()Peter Zijlstra
In light of the recent pagefault and filemap_copy_from_user work I've gone through all the arch pagefault handlers to make sure the inc_preempt_count() 'feature' works as expected. Several sections of code (including the new filemap_copy_from_user) rely on the fact that faults do not take locks under increased preempt count. arch/x86_64 - good arch/powerpc - good arch/cris - fixed arch/i386 - good arch/parisc - fixed arch/sh - good arch/sparc - good arch/s390 - good arch/m68k - fixed arch/ppc - good arch/alpha - fixed arch/mips - good arch/sparc64 - good arch/ia64 - good arch/arm - fixed arch/um - good arch/avr32 - good arch/h8300 - NA arch/m32r - good arch/v850 - good arch/frv - fixed arch/m68knommu - NA arch/arm26 - fixed arch/sh64 - fixed arch/xtensa - good Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Acked-by: Nick Piggin <npiggin@suse.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-12-07[ARM] Allow gcc to optimise arm_add_memory a little moreRussell King
For some reason, gcc was calculating meminfo.bank[meminfo.nr_banks] repeatedly. Use a pointer to it instead. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2006-12-07[ARM] 3991/1: i.MX/MX1 high resolution time sourcePavel Pisa
Enhanced resolution for time measurement functions. Signed-off-by: Pavel Pisa <pisa@cmp.felk.cvut.cz> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2006-12-07[ARM] 3990/1: i.MX/MX1 more precise PLL decodePavel Pisa
The future high resolution support inclusion utilizes imx_decode_pll() in timer base frequency computation. This use requires more precise computation without discarding 10 bits by shifting left. Signed-off-by: Pavel Pisa <pisa@cmp.felk.cvut.cz> Acked-by: Sascha Hauer <s.hauer@pengutronix.de> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2006-12-07[ARM] 3986/1: H1940: suspend to RAM supportBen Dooks
Add support to suspend and resume, using the H1940's bootloader Signed-off-by: Ben Dooks <ben-linux@fluff.org> Signed-off-by: Arnaud Patard <arnaud.patard@rtp-net.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2006-12-07[ARM] 3985/1: ixp4xx clocksource cleanupKevin Hilman
Rather than using a device_initcall() for the clocksource initialization, just call the init from the sys_timer init function. Signed-off-by: Kevin Hilman <khilman@mvista.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2006-12-07[ARM] 3994/1: ixp23xx: fix handling of pci master abortsLennert Buytenhek
The PCI master abort handling issue that affected ixp2000 also affects ixp23xx. Signed-off-by: Lennert Buytenhek <buytenh@wantstofly.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2006-12-07[ARM] 3981/1: sched_clock for PXA2xxNicolas Pitre
Here's a 63-bit implementation of shed_clock() for PXA2xx. The actual period depends on the value of CLOCK_TICK_RATE and whether or not reduced scaling factors were provided for it. Signed-off-by: Nicolas Pitre <nico@cam.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2006-12-07[ARM] 3980/1: extend the ARM Versatile sched_clock implementation from 32 to ↵Nicolas Pitre
63 bit period This provides a 63 bit clock counter guaranteed to be monotonic over a period of 35583 days instead of a clock wrap every 179 seconds, as long as sched_clock() is called at least once every 89 seconds. This should not be a problem in practice, although a kernel timer could be scheduled every 80 seconds for example simply to call sched_clock() making sure top bits are always synchronized if need be. Signed-off-by: Nicolas Pitre <nico@cam.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2006-12-07[ARM] 3979/1: extend the SA11x0 sched_clock implementation from 32 to 63 bit ↵Nicolas Pitre
period This provides a 63 bit clock counter guaranteed to be monotonic over a period of 370 days instead of a clock wrap every 19.4 minutes, as long as sched_clock() is called at least once every 9.7 minutes which shouldn't be a problem in practice. Signed-off-by: Nicolas Pitre <nico@cam.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2006-12-07[ARM] 3993/1: ep93xx: add cirrus logic edb9302a supportLennert Buytenhek
Add support for the Cirrus Logic EDB9302A Evaluation Board. Confirmed to work by Chase Douglas. Signed-off-by: Lennert Buytenhek <buytenh@wantstofly.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2006-12-07[ARM] 3982/2: Explicitly select 32-bit ARM ISA (-marm)George G. Davis
Do not assume that the ARM GCC toolchain defaults to building for the 32-bit ARM ISA (-marm) case. Instead, explicitly select -marm in CFLAGS since the toolchain default can be for the 16-bit Thumb ISA (-mthumb) in some odd/rare cases. Signed-off-by: George G. Davis <gdavis@mvista.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2006-12-05WorkQueue: Fix up arch-specific work items where possibleDavid Howells
Fix up arch-specific work items where possible to use the new work_struct and delayed_work structs. Three places that enqueue bits of their stack and then return have been marked with #error as this is not permitted. Signed-Off-By: David Howells <dhowells@redhat.com>
2006-12-04[ARM] 3972/1: AT91: Update board.hAndrew Victor
Replace the 'is_b' variable with 'slot_b' in at91_mmc_data. Also add the new 'chipselect' variable for CF/PCMCIA and 'bus_width_16' variable for NAND. This (and previous patches) will unfortunately break the current MMC, USB Gadget and PCMCIA drivers. Updates and fixes for those drivers will be submitted to the various subsystem maintainers. Signed-off-by: Andrew Victor <andrew@sanpeople.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2006-12-03[ARM] 3881/4: xscale: clean up cp0/cp1 handlingLennert Buytenhek
XScale cores either have a DSP coprocessor (which contains a single 40 bit accumulator register), or an iWMMXt coprocessor (which contains eight 64 bit registers.) Because of the small amount of state in the DSP coprocessor, access to the DSP coprocessor (CP0) is always enabled, and DSP context switching is done unconditionally on every task switch. Access to the iWMMXt coprocessor (CP0/CP1) is enabled only when an iWMMXt instruction is first issued, and iWMMXt context switching is done lazily. CONFIG_IWMMXT is supposed to mean 'the cpu we will be running on will have iWMMXt support', but boards are supposed to select this config symbol by hand, and at least one pxa27x board doesn't get this right, so on that board, proc-xscale.S will incorrectly assume that we have a DSP coprocessor, enable CP0 on boot, and we will then only save the first iWMMXt register (wR0) on context switches, which is Bad. This patch redefines CONFIG_IWMMXT as 'the cpu we will be running on might have iWMMXt support, and we will enable iWMMXt context switching if it does.' This means that with this patch, running a CONFIG_IWMMXT=n kernel on an iWMMXt-capable CPU will no longer potentially corrupt iWMMXt state over context switches, and running a CONFIG_IWMMXT=y kernel on a non-iWMMXt capable CPU will still do DSP context save/restore. These changes should make iWMMXt work on PXA3xx, and as a side effect, enable proper acc0 save/restore on non-iWMMXt capable xsc3 cores such as IOP13xx and IXP23xx (which will not have CONFIG_CPU_XSCALE defined), as well as setting and using HWCAP_IWMMXT properly. Signed-off-by: Lennert Buytenhek <buytenh@wantstofly.org> Acked-by: Dan Williams <dan.j.williams@intel.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2006-12-01[ARM] 3967/1: xsc3: make branch predication configurable on xsc3Dan Williams
Remove BTB_ENABLE from proc-xsc3.S On some early revisions of xsc3 enabling the branch target buffer can cause crashes, see erratum #42. Cc: Lennert Buytenhek <buytenh@wantstofly.org> Signed-off-by: Dan Williams <dan.j.williams@intel.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2006-12-01[ARM] 3971/1: xsc3: get rid of L_PTE_COHERENTLennert Buytenhek
Merge L_PTE_COHERENT with L_PTE_SHARED and free up a L_PTE_* bit. Signed-off-by: Lennert Buytenhek <buytenh@wantstofly.org> Signed-off-by: Dan Williams <dan.j.williams@intel.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2006-12-01[ARM] 3958/1: add platform device (pxa2xx-udc)to ixp4xxMilan Svoboda
Create include/asm-arm/arch-ixp4xx/udc.h and add platfrom device ixp4xx_udc_device into arch/arm/mach-ixp4xx/common.c. This allows us to use pxa2xx-udc on the ixp4xx platfrom. Both pxa2xx and ixp4xx use the same device controller. Signed-off-by:Milan Svoboda <msvoboda@ra.rockwell.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2006-12-01[ARM] 3966/1: AT91: RM9200 device data updateAndrew Victor
This patch contains various updates the at91rm9200_devices.c file: * Consistent naming of resources and platform_devices. * PCMCIA/Compact Flash: Configuration of the memory controller moved out of the driver and into this file. * MMC: Enable the VCC pin (if one is configured) * MMC: Enable the internal pullups on the I/O pins. * NAND: Configuration of the memory controller moved out of the driver and into this file. * Added TWI/I2C resources. * The names of some of the CONFIG_ variables were changed. Signed-off-by: Andrew Victor <andrew@sanpeople.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2006-12-01[ARM] 3963/1: AT91: Update configuration filesAndrew Victor
A number of configuration file changes. These are mainly to replace references to ARCH_AT91RM9200 and ARCH_AT91SAM9261 with the common/generic ARCH_AT91. That way we don't need to mention every specific AT91 processor explicitly. Also adds the configuration option for AT91SAM9260-EK and AT91SAM9261-EK boards. Signed-off-by: Andrew Victor <andrew@sanpeople.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2006-12-01[ARM] 3961/2: AT91: Support for Atmel AT91SAM9261-EK boardAndrew Victor
This patch adds support for the Atmel AT91SAM9261-EK board. Signed-off-by: Andrew Victor <andrew@sanpeople.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2006-12-01[ARM] 3962/1: AT91: Support for Atmel AT91SAM9260-EK boardAndrew Victor
This patch adds support for the Atmel AT91SAM9260-EK board. Signed-off-by: Andrew Victor <andrew@sanpeople.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2006-12-01[ARM] 3965/1: ixp2000: fix handling of pci master abortsLennert Buytenhek
The master abort check in ixp2000_pci_read_config() recently started failing due to the compiler optimising out the read access following the clearing of pci_master_aborts. Mark pci_master_aborts volatile to force the compiler to reload it on every use. Signed-off-by: Lennert Buytenhek <buytenh@wantstofly.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2006-12-01[ARM] 3964/1: ep93xx: add ads sphere supportLennert Buytenhek
Add initial board support for the ADS Sphere board. Signed-off-by: Lennert Buytenhek <buytenh@wantstofly.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2006-12-01[ARM] 3960/1: AT91: Final SAM9 intergration patches.Andrew Victor
This patch includes a number of small changes for integrating the AT91SAM9261 and AT91SAM0260 support. * Can only select support for one AT91 processor at a time. * Remove most of the remaining static memory mapping for the AT91RM9200. * Reserve 1Mb of memory below the IO for mapping the internal SRAM and any custom board-specific devices (ie, FPGA). * The SAM9260 has more serial ports, so increase the maximum to 7. * Define the standard chipselect addresses, and define other addresses relative to those. * CLOCK_TICK_RATE is different on the SAM926x's. Signed-off-by: Andrew Victor <andrew@sanpeople.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2006-12-01[ARM] 3959/1: AT91: Support for SAM9 USB and HCK clocksAndrew Victor
The bits used to select the USB clocks are different on the SAM9's. Add support for the HCK clocks on the AT91SAM9261. Patch from Patrice Vilchez & Nicolas Ferre Signed-off-by: Andrew Victor <andrew@sanpeople.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2006-12-01[ARM] 3957/1: AT91: Physically mapped flash on DK and EK boardsAndrew Victor
This patch converts the old CONFIG_MTD_PHYSMAP_ options to the new physmap API by creating a physmap platform device for the NOR flash found on the Atmel AT91RM9200-DK and AT91RM9200-EK boards. Signed-off-by: Andrew Victor <andrew@sanpeople.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2006-12-01[ARM] 3956/1: AT91: Carmeva board updateAndrew Victor
This patch updates the Carmeva board support: * Specify the MMC Write-protect and Detection pins. * Add configuration of SPI devices. Patch from Peer Georgi. Signed-off-by: Andrew Victor <andrew@sanpeople.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2006-12-01[ARM] 3955/1: AT91: Clear timer interrupt when resumingAndrew Victor
Attached is a patch for at91rm9200_time.c which removes the 'BUG: soft lockup detected on CPU#0!' message when exiting suspended states. Patch from Savin Zlobec Signed-off-by: Andrew Victor <andrew@sanpeople.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2006-12-01[ARM] 3953/1: AT91: SAM9 platform devicesAndrew Victor
This patch includes the pin initialization, resource definition and registration of the platform_devices for the SAM9260 and SAM9261 processors. Signed-off-by: Andrew Victor <andrew@sanpeople.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2006-12-01[ARM] 3949/2: AT91: SAM9 timer driverAndrew Victor
Add support for the timer on the Atmel AT91SAM9261 and AT91SAM9260 processors. Signed-off-by: Andrew Victor <andrew@sanpeople.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2006-11-30[ARM] 3954/1: AT91: Update drivers for new headersAndrew Victor
This patch updates the drivers (and other files) which include the hardware headers. This fixes the breakage introduced in patches 3950/1 and 3951/1 (those patches were getting big). The AVR32 architecture uses the same serial driver and had its own copy of at91rm9200_pdc.h. Renamed it to at91_pdc.h Signed-off-by: Andrew Victor <andrew@sanpeople.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2006-11-30[ARM] 3948/1: AT91: Initial support for AT91SAM9261 and AT91SAM9260Andrew Victor
This patch adds the initial support for the newer Atmel AT91SAM9261 and AT91SAM9260 processors. The code is based on, and makes use of, the existing AT91RM9200 support. Signed-off-by: Andrew Victor <andrew@sanpeople.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2006-11-30[ARM] 3946/1: AT91: at91_arch_reset and at91_extern_irqAndrew Victor
The external interrupt sources are different on the various AT91 processors. This patch introduces the global 'at91_extern_irq' variable that contains a bitset of the available external interrupt sources. The processor reset mechanism also differs on the various AT91 processors. This patch also adds a global 'at91_arch_reset' callback (from system.h) into the processor-specific code to perform the reset. Signed-off-by: Andrew Victor <andrew@sanpeople.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2006-11-30[ARM] 3945/1: AT91: Rename devices.cAndrew Victor
This patch renames the arch/arm/mach-at91rm9200/devices.c file to at91rm9200_devices.c. The file contains AT91RM9200-specific code, so we will need separate files for the SAM9 processors. Signed-off-by: Andrew Victor <andrew@sanpeople.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2006-11-30[ARM] Fix Versatile PB initialisation to use .init_machineRussell King
There's no point having the Versatile PB initialisation using an arch_initcall() and then checking whether it's running on a Versatile PB board - this is what the .init_machine function pointer in the machine description is for. Use it. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2006-11-30[ARM] 3911/2: Simplify alloc_thread_info on ARMPaul Gortmaker
Remove ARM local cache of 4 struct thread_info. Can cause oops under certain circumstances. Russell indicated the original optimization was required on older kernels to avoid thread starvation on memory fragmentation, but may no longer be required. I've updated the patch to 19rc4 and ensured no <config.h> dain-bramage slipped in this time (sorry about that). Original description follows: I was given some test results which pointed to an Oops in alloc_thread_info (happened 2x), and after looking at the code, I see that ARM has its own local cache of 4 struct thread_info. There wasn't any clear (to me) synchronization between the alloc_thread_info and the free_thread_info. I looked over the other arch, and they all simply allocate them on an as needed basis, so I simplified the ARM to do the same, based on the other arch (e.g. PPC) and the folks doing the testing have indicated that this fixed the oops. Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>