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* [PATCH] detect soft lockupsIngo Molnar2005-09-07
| | | | | | | | | | | | | | | | | | | This patch adds a new kernel debug feature: CONFIG_DETECT_SOFTLOCKUP. When enabled then per-CPU watchdog threads are started, which try to run once per second. If they get delayed for more than 10 seconds then a callback from the timer interrupt detects this condition and prints out a warning message and a stack dump (once per lockup incident). The feature is otherwise non-intrusive, it doesnt try to unlock the box in any way, it only gets the debug info out, automatically, and on all CPUs affected by the lockup. Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Nishanth Aravamudan <nacc@us.ibm.com> Signed-Off-By: Matthias Urlichs <smurf@smurf.noris.de> Signed-off-by: Richard Purdie <rpurdie@rpsys.net> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] turn many #if $undefined_string into #ifdef $undefined_stringOlaf Hering2005-07-27
| | | | | | | | | turn many #if $undefined_string into #ifdef $undefined_string to fix some warnings after -Wno-def was added to global CFLAGS Signed-off-by: Olaf Hering <olh@suse.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [MTD] NAND: Fix broken bad block scan for 16 bit devicesThomas Gleixner2005-07-16
| | | | | | | | | | | The previous change to read a single byte from oob breaks the bad block scan on 16 bit devices, when the byte is on an odd address. Read the complete oob for now. Remove the unused arguments from check_short_pattern() Move the wait for ready function so it is only executed when consecutive reads happen. Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
* [MTD] cfi_cmdset_0002: Plugged a mem leak.Joern Engel2005-07-13
| | | | | Signed-off-by: Joern Engel <joern@wohnheim.fh-wedel.de> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
* Merge with rsync://fileserver/linuxTodd Poynor2005-07-12
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| * Merge master.kernel.org:/pub/scm/linux/kernel/git/tglx/mtd-2.6Linus Torvalds2005-07-11
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| * | [PATCH] pcmcia: remove references to pcmcia/version.hDominik Brodowski2005-07-07
| | | | | | | | | | | | | | | | | | | | | | | | As a follow-up, remove the inclusion of pcmcia/version.h in many files. Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
| * | [PATCH] pcmcia: move event handlerDominik Brodowski2005-07-07
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Move the "event handler" to struct pcmcia_driver -- the unified event handler will disappear really soon, but switching it to struct pcmcia_driver in the meantime allows for better "step-by-step" patches. Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | | [MTD] Make XIP support depend on CONFIG_ARMThomas Gleixner2005-07-12
| |/ |/| | | | | | | | | | | ARM is the only known user of this at the moment. Prevent allyes builds for other archs from failing Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
* | [MTD] XIP cleanupThomas Gleixner2005-07-07
| | | | | | | | | | | | Move the architecture dependend code into include/asm/mtd-xip.h Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
* | [MTD] Remove MODULE_DEVICE_TABLE() for ICHx flash driverDavid Woodhouse2005-07-07
| | | | | | | | | | | | | | | | | | This prevents it from automatically getting loaded by hotplug because we happen to notice you have this chipset. Let's stick with having to load the drivers which let you overwrite your BIOS _manually_ Signed-off-by: David Woodhouse <dwmw2@infradead.org> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
* | [MTD] NAND s3c2410: Add missing NULL pointer checkBen Dooks2005-07-06
| | | | | | | | | | | | | | Fix OOPs if there was no platform set information passed Signed-off-by: Ben Dooks <ben@simtec.co.uk> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
* | Merge with rsync://fileserver/linuxArtem B. Bityuckiy2005-07-06
|\| | | | | | | Update to 2.6.12-rc3
| * [PATCH] ARM: 2780/1: AFS partition length calculation fixCatalin Marinas2005-06-30
| | | | | | | | | | | | | | | | | | | | | | Patch from Catalin Marinas This patch calculates the AFS partition length by expanding the image length information to the nearest erase block boundary. This eliminates the problems with JFFS2 erasing the footer. Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| * [PATCH] pcmcia: id_table for pcmciamtd.cDominik Brodowski2005-06-27
| | | | | | | | | | | | | | | | | | | | Add pcmcia_device_id table to pcmciamtd. The binding of anonymus cards (i.e. those who do neither report MANFID, CARDID, FUNCID nor product strings) is protected by a new config option. Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | [MTD] NOR flash map driver for TI OMAP boards.Todd Poynor2005-07-06
| | | | | | | | | | | | | | | | From: David Brownell, Jian Zhang <jzhang@ti.com>, Tony Lindgren <tony@atomide.com> and others. Signed-off-by: Todd Poynor <tpoynor@mvista.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
* | [MTD] Add mapping driver for Intel PXA27x Mainstone board flash.Nico Pitre2005-07-06
| | | | | | | | | | | | From: Nicolas Pitre <nico@cam.org> Signed-off-by: Todd Poynor <tpoynor@mvista.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
* | [MTD] NAND: Remove unmaintained tx49xx board driversThomas Gleixner2005-07-06
| | | | | | | | | | | | | | | | The drivers are unmaintained since long and reference include files which are not available in the kernel. Original author is not longer responsible and no new maintainer showed up within 3 month. Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
* | [MTD] NAND: sharpsl.c set correct file permissionsThomas Gleixner2005-07-06
| | | | | | | | Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
* | [MTD] cfi_cmdset_0002: Remove bogus includeThomas Gleixner2005-07-04
| | | | | | | | | | | | | | Including asm/hardware.h has to be done in linux/mtd/xip.h. Otherwise it breaks allyes compiles. Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
* | [MTD] mtdchar: Return the real error code when create_class() failedCoywolf Qi Hunt2005-07-04
| | | | | | | | | | Signed-off-by: Coywolf Qi Hunt <coywolf@sosdg.org> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
* | [MTD] mtdchar.c: Replace DEVFS by udevTodd Poynor2005-07-01
| | | | | | | | | | | | | | | | | | | | | | | | Switch from DEVFS to udev for dynamic creation of device nodes for mtd char devices. Creates a new LDM class "mtd" with writeable and read-only devices registered for each mtdchar device. From: Paolo Galtieri <pgaltieri@mvista.com> Signed-off-by: Todd Poynor <tpoynor@mvista.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
* | [MTD] NAND: Add ST chip IDs. Thomas Gleixner2005-06-29
| | | | | | | | | | From: Domenico DI TULLIO <domenico.di-tullio@st.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
* | [MTD] ms02-nv: Fix 64bit operation?2005-06-29
| | | | | | | | | | | | | | | | Replace KSEG1ADDR() with CKSEG1ADDR() as the former does not work for 64-bit configurations anymore. Signed-off-by: Maciej W. Rozycki <macro@infradead.org> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
* | [MTD] NAND: s3c24xx updatesBen Dooks2005-06-29
| | | | | | | | | | | | | | | | | | | | Fix error in timing generation, Tacls is only in the range 0..3 Add proper support for the s3c2440 NAND controller, which has now been tested on several s3c2440 implementations. Signed-off-by: Ben Dooks <ben@simtec.co.uk> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
* | [MTD] NAND: Change exports to _GPLThomas Gleixner2005-06-29
| | | | | | | | Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
* | [MTD] NAND: Fix broken bad block table scanThomas Gleixner2005-06-29
| | | | | | | | | | | | Make the bad block table search functional again Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
* | [MTD] Fix commandline parser alignementJoern Engel2005-06-29
| | | | | | | | | | | | | | | | Add alignment to cmdline. From: "Timofei V. Bondarenko" <tim@ipi.ac.ru> Signed-off-by: Joern Engel <joern@wohnheim.fh-wedel.de> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
* | [MTD] XIP for AMD CFI flash.Todd Poynor2005-06-29
| | | | | | | | | | | | Author: Vitaly Wool <vwool@ru.mvista.com> Signed-off-by: Todd Poynor <tpoynor@mvista.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
* | [MTD] NAND: Reorganize chip lockingThomas Gleixner2005-06-29
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The code was wrong in several aspects. The locking order was inconsistent, the device aquire code did not reset a variable after a wakeup and the wakeup handling was not working for applications where multiple chips are sharing a single hardware controller. When a hardware controller is available the locking is now reduced to the hardware controller lock and the waitqueue is moved to the hardware controller structure in order to avoid a wake_up_all(). The problem was pointed out by Ben Dooks, who also found the missing variable reset as main cause for his deadlock problem. Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
* | [MTD] NAND: Add Hynix to manufacturer listNicolas S. Dade2005-05-27
| | | | | | | | | | Signed-off-by: Nicolas S. Dade <daden@symbol.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
* | [MTD] cfi_cmdset_0002: Fix broken status checkThomas Gleixner2005-05-24
| | | | | | | | Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
* | [MTD] CFI-0002 - Improve error checkingEric W. Biedermann2005-05-23
| | | | | | | | | | | | | | Check for errors besides infinite loops when writing and erasing. Signed-off-by: Eric W. Biederman <ebiederman@lnxi.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
* | [MTD] CFI flash locking reorg for XIPNicolas Pitre2005-05-23
| | | | | | | | | | | | | | | | | | | | | | This reworks the XIP locking to make sure no lock primitive is ever called from XIP disabled paths even if in theory they should not cause any reschedule. Relying on the current spinlock implementation is rather fragile and not especially clean from an abstraction pov. The recent RT work makes it even more obvious. Signed-off-by: Nicolas Pitre <nico@cam.org> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
* | [MTD] NAND: Honour autoplacement schemes supplied by the callerThomas Gleixner2005-05-23
| | | | | | | | Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
* | [MTD] CFI DEBUG_LOCK_BITS fixes for Intel NOR flash:Todd Poynor2005-05-23
| | | | | | | | | | | | | | | | adjust chip-relative offsets to block address, write to block address + 2 per recent datasheets. Signed-off-by: Todd Poynor <tpoynor@mvista.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
* | [MTD] mtdram: Quick cleanup of the driver:Joern Engel2005-05-23
| | | | | | | | | | | | | | | | | | - Lindent - Removal of slram/phram functionality - Removal of most #ifdefs Signed-off-by: Joern Engel <joern@wohnheim.fh-wedel.de> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
* | [MTD] NAND: Fix the broken dynamic array allocationsJarkko Lavinen2005-05-23
| | | | | | | | | | | | | | | | Reverting the change from 1.136 to 1.137 (back to static allocation of ecc arrays) due to stack corruption and ecc errors. Signed-off-by: Jarkko Lavinen <jarkko.lavinen@nokia.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
* | [MTD] DiskOnChip: Add some commentsDan Brown2005-05-23
| | | | | | | | | | | | | | | | Add helpful comment about oobfree so I can't claim two years from now that I don't remember what I was thinking. Signed-off-by: Dan Brown <dan_brown@ieee.org> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
* | [MTD] DiskOnChip: Fix compile w/o CONFIG_MTD_PARTITIONS.Dan Brown2005-05-23
| | | | | | | | | | Signed-off-by: Dan Brown <dan_brown@ieee.org> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
* | [MTD] DiskOnChip: Prevent problems with existing filesystemsDan Brown2005-05-23
| | | | | | | | | | | | | | | | Try not to break existing jffs2 installs, instead break oobfree into two out-of-order pieces. Signed-off-by: Dan Brown <dan_brown@ieee.org> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
* | [MTD] NAND: Fix reading of autoplaced OOB when there are multiple free sections.Dan Brown2005-05-23
| | | | | | | | | | Signed-off-by: Dan Brown <dan_brown@ieee.org> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
* | [MTD] DiskOnChip: Fix (?) free OOB array info.Dan Brown2005-05-23
| | | | | | | | | | | | | | I really hope this doesn't break something. Signed-off-by: Dan Brown <dan_brown@ieee.org> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
* | [MTD] NAND: Move the NULL check into the calling functionThomas Gleixner2005-05-23
| | | | | | | | Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
* | [MTD] NAND: Fix missing NULL pointer checkDan Brown2005-05-23
| | | | | | | | | | | | | | Version 1.137 broke nand_read_ecc clients who pass NULL oobsel. Fixed. Signed-off-by: Dan Brown <dan_brown@ieee.org> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
* | [MTD] Fix OTP for top-parameter devicesNicolas Pitre2005-05-23
| | | | | | | | | | Signed-off-by: Nicolas Pitre <nico@cam.org> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
* | [MTD] Reset file position when switching OTP modeNicolas Pitre2005-05-23
| | | | | | | | | | Signed-off-by: Nicolas Pitre <nico@cam.org> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
* | [MTD] NAND: Fix oob available calculationThomas Gleixner2005-05-23
| | | | | | | | | | | | Use oobfree to calculate the number of oob bytes available for fs usage Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
* | [MTD] Add reboot notifier to Intel NOR flash driverNicolas Pitre2005-05-23
| | | | | | | | | | | | | | | | | | to make sure the flash is in array mode whenever we're about to reboot. This is especially useful to allow "soft" reboot to work which consists of branching back into the bootloader. Signed-off-by: Nicolas Pitre <nico@cam.org> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
* | [MTD] Avoid compile warnings for Intel CFI flash without OTP support.Todd Poynor2005-05-23
| | | | | | | | | | Signed-off-by: Todd Poynor <tpoynor@mvista.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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