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* mtd: Use platform_data to retrieve tmio_nand platform bitsSamuel Ortiz2011-05-26
| | | | | | | | | | | With the addition of the platform device mfd_cell pointer, we can now cleanly pass the sub device drivers platform data pointers through the regular device platform_data one, and get rid of mfd_get_data(). Cc: Ian Molton <spyro@f2s.com> Cc: Artem Bityutskiy <Artem.Bityutskiy@nokia.com> Acked-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
* Merge git://git.kernel.org/pub/scm/linux/kernel/git/brodo/pcmcia-2.6Linus Torvalds2011-05-24
|\ | | | | | | | | | | | | | | | | * git://git.kernel.org/pub/scm/linux/kernel/git/brodo/pcmcia-2.6: pcmcia: Make struct pcmcia_device_id const, sound drivers edition staging: pcmcia: Convert pcmcia_device_id declarations to const pcmcia: Convert pcmcia_device_id declarations to const pcmcia: Make declaration and uses of struct pcmcia_device_id const pcmcia/sa1100: put sa11x0_pcmcia_hw_init[] to .devinit.data
| * pcmcia: Convert pcmcia_device_id declarations to constJoe Perches2011-05-06
| | | | | | | | | | | | | | | | | | | | | | | | | | Saves about 50KB of data. Old/new size of all objects: text data bss dec hex filename 563015 80096 130684 773795 bcea3 (TOTALS) 610916 32256 130632 773804 bceac (TOTALS) Signed-off-by: Joe Perches <joe@perches.com> Acked-by: Kurt Van Dijck <kurt.van.dijck@eia.be> (for drivers/net/can/softing/softing_cs.c) Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
* | Merge branch 'linux-next' of git://git.infradead.org/ubi-2.6Linus Torvalds2011-05-24
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * 'linux-next' of git://git.infradead.org/ubi-2.6: UBI: switch to dynamic printks UBI: turn some macros into static inline UBI: improve checking in debugging prints UBI: fix typo in a message UBI: fix minor stylistic issues UBI: use __packed instead of __attribute__((packed)) UBI: cleanup comments around volume properties UBI: re-name set volume properties ioctl UBI: make the control character device non-seekable
| * | UBI: switch to dynamic printksArtem Bityutskiy2011-05-20
| | | | | | | | | | | | | | | | | | | | | Remove custom dynamic prints and the module parameter to toggle them and use the generic kernel dynamic printk infrastructure. Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
| * | UBI: turn some macros into static inlineArtem Bityutskiy2011-05-20
| | | | | | | | | | | | | | | | | | | | | | | | Similarly as we have done for UBIFS in 1dcffad74183bb00e8129ba1c5bb2c9931d31bd7, turn the debugging macros into static inline functions, for the same reasons: to avoid gcc 4.5 warnings. Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
| * | UBI: improve checking in debugging printsArtem Bityutskiy2011-05-20
| | | | | | | | | | | | | | | | | | | | | | | | When debugging is disabled, define debugging prints as if (0) printk() to make sure that the compiler still the format string in debugging messages even if debugging is disabled. Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
| * | UBI: fix typo in a messageArtem Bityutskiy2011-04-14
| | | | | | | | | | | | | | | | | | | | | | | | When a PEB passes the torture test, UBI prints "do not mark it a bad", but should print "do not mark it as bad". This patch corrects the typo. Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
| * | UBI: fix minor stylistic issuesArtem Bityutskiy2011-04-14
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Fix checkpatch.pl errors and warnings: * space before tab * line over 80 characters * include linux/ioctl.h instead of asm/ioctl.h Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
| * | UBI: use __packed instead of __attribute__((packed))Artem Bityutskiy2011-04-14
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | There was an attempt to standartize various "__attribute__" and other macros in order to have potentially portable and more consistent code, see commit 82ddcb040570411fc2d421d96b3e69711c670328. Note, that commit refers Rober Love's blog post, but the URL is broken, the valid URL is: http://blog.rlove.org/2005/10/with-little-help-from-your-compiler.html Moreover, nowadays checkpatch.pl warns about using __attribute__((packed)): "WARNING: __packed is preferred over __attribute__((packed))" It is not a big deal for UBI to use __packed, so let's do it. Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
| * | UBI: re-name set volume properties ioctlArtem Bityutskiy2011-04-14
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Rename the ioctl which sets volume properties from 'UBI_IOCSETPROP' to 'UBI_IOCSETVOLPROP' to reflect the fact that this ioctl is about volume properties, not device properties. This is also consistent with the other volume ioctl name - 'UBI_IOCVOLUP'. The main motivation for the re-name, however, is that we are going to introduce the per-UBI device "set properties" ioctl, so we need good and logical naming. At the same time, re-name the "set volume properties request" data structure from 'struct ubi_set_prop_req' to 'struct ubi_set_vol_prop_req'. And re-name 'UBI_PROP_DIRECT_WRITE' to 'UBI_VOL_PROP_DIRECT_WRITE'. Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
| * | UBI: make the control character device non-seekableArtem Bityutskiy2011-04-14
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch makes the UBI control device (/dev/ubi_ctrl) non-seekable. The seek operation does is not applicable to this file, so it is cleaner to explicitly return error (which the added 'no_llseek()') does than trying to change the position (which the removed 'default_llseek()' does). This is an API break, but the only known user of this interface is mtd-utils which does not need the seeking functionality. And any app which relies on this is broken, but I'm not aware of such apps. Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
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*---. \ \ Merge branches 'consolidate-clksrc', 'consolidate-flash', ↵Russell King2011-05-23
|\ \ \ \ \ | | | | |/ | | | |/| | | | | | 'consolidate-generic', 'consolidate-smp', 'consolidate-stmp' and 'consolidate-zones' into consolidate
| * | | | ARM: 6910/1: MTD: physmap: let set_vpp() pass a platform_device instead of a ↵Marc Zyngier2011-05-20
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | map_info The set_vpp() method provided by physmap passes a map_info back to the platform code, which has little relevance as far as the platform is concerned (this parameter is completely unused). Instead, pass the platform_device, which can be used in the pismo driver to retrieve some important information in a nicer way, instead of the hack that was in place. The empty set_vpp function in board-at572d940hf_ek.c is left untouched, as the board/SoC is scheduled for removal. Cc: Andrew Victor <linux@maxim.org.za> Cc: Nicolas Ferre <nicolas.ferre@atmel.com> Acked-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> Cc: Philipp Zabel <philipp.zabel@gmail.com> Cc: Eric Miao <eric.y.miao@gmail.com> Cc: Ben Dooks <ben-linux@fluff.org> Acked-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com> Acked-by: David Woodhouse <dwmw2@infradead.org> Signed-off-by: Marc Zyngier <marc.zyngier@arm.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| * | | | ARM: 6906/1: MTD: Remove integrator-flashMarc Zyngier2011-05-20
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | As there is now no in-tree user of integrator-flash, remove it completely. Signed-off-by: Marc Zyngier <marc.zyngier@arm.com> Acked-by: Catalin Marinas <catalin.marinas@arm.com> Acked-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com> Acked-by: David Woodhouse <dwmw2@infradead.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| * | | | ARM: 6904/1: MTD: Add integrator-flash feature to physmapMarc Zyngier2011-05-20
| | |/ / | |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | In the process of moving platforms away from integrator-flash (aka armflash), add to physmap the few features that make armflash unique: - optionnal probing for the AFS partition type - init() and exit() methods, used by Integrator to control write access to the various onboard programmable components Signed-off-by: Marc Zyngier <marc.zyngier@arm.com> Acked-by: Catalin Marinas <catalin.marinas@arm.com> Acked-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com> Acked-by: David Woodhouse <dwmw2@infradead.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* | | | MIPS: Alchemy: Clean up GPIO registers and accessorsManuel Lauss2011-05-19
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | remove au_readl/au_writel, remove the predefined GPIO1/2 KSEG1 register addresses and fix the fallout in all boards and drivers. This also fixes a bug in the mtx-1_wdt driver which was introduced by commit 6ea8115bb6f359df4f45152f2b40e1d4d1891392 ("Convert mtx1 wdt to be a platform device and use generic GPIO API") before this patch mtx-1_wdt only modified GPIO215, the patch then used the gpio resource information as bit index into the GPIO2 register but the conversion to the GPIO API didn't realize that. With this patch the drivers original behaviour is restored and GPIO15 is left alone. Signed-off-by: Manuel Lauss <manuel.lauss@googlemail.com> Cc: Florian Fainelli <florian@openwrt.org> To: Linux-MIPS <linux-mips@linux-mips.org> Cc: linux-watchdog@vger.kernel.org Cc: Wim Van Sebroeck <wim@iguana.be> Patchwork: https://patchwork.linux-mips.org/patch/2381/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org
* | | | MIPS: Lantiq: Add NOR flash supportJohn Crispin2011-05-19
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch adds the driver/map for NOR devices attached to the SoC via the External Bus Unit (EBU). Signed-off-by: John Crispin <blogic@openwrt.org> Signed-off-by: Ralph Hempel <ralph.hempel@lantiq.com> Cc: David Woodhouse <dwmw2@infradead.org> Cc: Daniel Schwierzeck <daniel.schwierzeck@googlemail.com> Cc: linux-mips@linux-mips.org Cc: linux-mtd@lists.infradead.org Acked-by: Artem Bityutskiy <dedekind1@gmail.com> Patchwork: https://patchwork.linux-mips.org/patch/2285/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* | | | drivercore: revert addition of of_match to struct deviceGrant Likely2011-05-18
|/ / / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Commit b826291c, "drivercore/dt: add a match table pointer to struct device" added an of_match pointer to struct device to cache the of_match_table entry discovered at driver match time. This was unsafe because matching is not an atomic operation with probing a driver. If two or more drivers are attempted to be matched to a driver at the same time, then the cached matching entry pointer could get overwritten. This patch reverts the of_match cache pointer and reworks all users to call of_match_device() directly instead. Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
* | / Revert wrong fixes for common misspellingsLucas De Marchi2011-04-27
| |/ |/| | | | | | | | | | | These changes were incorrectly fixed by codespell. They were now manually corrected. Signed-off-by: Lucas De Marchi <lucas.demarchi@profusion.mobi>
* | Merge git://git.infradead.org/mtd-2.6Linus Torvalds2011-04-09
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | * git://git.infradead.org/mtd-2.6: mtd: atmel_nand: use CPU I/O when buffer is in vmalloc(ed) region mtd: atmel_nand: modify test case for using DMA operations mtd: atmel_nand: fix support for CPUs that do not support DMA access mtd: atmel_nand: trivial: change DMA usage information trace mtd: mtdswap: fix printk format warning
| * | mtd: atmel_nand: use CPU I/O when buffer is in vmalloc(ed) regionHong Xu2011-04-01
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The previous way of dealing with vmalloc(ed) region by walking though the pages can not work well actually. We just fall back to CPU I/O when the buffer address is higher than `high_memory'. Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com> Signed-off-by: Hong Xu <hong.xu@atmel.com> Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
| * | mtd: atmel_nand: modify test case for using DMA operationsNicolas Ferre2011-04-01
| | | | | | | | | | | | | | | | | | | | | | | | We have better performances not using DMA for oob operations. Modify size test so that it is using DMA for size greater than oobsize. Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com> Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
| * | mtd: atmel_nand: fix support for CPUs that do not support DMA accessHong Xu2011-04-01
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | use_dma was always "1" even if the CPU does not support DMA Tested on AT91SAM9261EK by Jean-Christophe PLAGNIOL-VILLARD Reported-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> Signed-off-by: Hong Xu <hong.xu@atmel.com> Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
| * | mtd: atmel_nand: trivial: change DMA usage information traceNicolas Ferre2011-04-01
| | | | | | | | | | | | | | | Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com> Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
| * | mtd: mtdswap: fix printk format warningRandy Dunlap2011-04-01
| |/ | | | | | | | | | | | | | | | | | | The number is actually a sizeof(), so using %zu for it builds cleanly on 32-bit or 64-bit. drivers/mtd/mtdswap.c:1456: warning: format '%lu' expects type 'long unsigned int', but argument 4 has type 'unsigned int' Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
* | Merge branch 'for-linus' of git://git.infradead.org/ubifs-2.6Linus Torvalds2011-04-07
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * 'for-linus' of git://git.infradead.org/ubifs-2.6: UBI: do not select KALLSYMS_ALL UBI: do not compare array with NULL UBI: check if we are in RO mode in the erase routine UBIFS: fix debugging failure in dbg_check_space_info UBIFS: fix error path in dbg_debugfs_init_fs UBIFS: unify error path dbg_debugfs_init_fs UBIFS: do not select KALLSYMS_ALL UBIFS: fix assertion warnings UBIFS: fix oops on error path in read_pnode UBIFS: do not read flash unnecessarily
| * | UBI: do not select KALLSYMS_ALLArtem Bityutskiy2011-04-05
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | All UBI needs is to make sure we stacktraces when UBI debugging is enabled. It is enough to select KALLSYMS for this, KALLSYMS_ALL is not necessary. And the current Kconfig line we have: select KALLSYMS_ALL if KALLSYMS && DEBUG_KERNEL is just too complex to be sane and right. But this "if" part there is needed to prevent "unmet direct dependency" warnings, because KALLSYMS_ALL depends on KALLSYMS and DEBUG_KERNEL, so we cannot just select KALLSYMS_ALL. Anyway, this feels messy, and we do not seem to really need KALLSYMS_ALL, so select KALLSYMS instead. Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com> Acked-by: Randy Dunlap <randy.dunlap@oracle.com>
| * | UBI: do not compare array with NULLArtem Bityutskiy2011-04-05
| | | | | | | | | | | | | | | | | | | | | | | | Coverity spotted that UBI debugging code tries to compare an array and NULL, which obviously makes little sense. Kill this check. Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
| * | UBI: check if we are in RO mode in the erase routineArtem Bityutskiy2011-04-05
| |/ | | | | | | | | | | | | | | | | | | 'do_sync_erase()' has to check whether we are in R/O mode before erasing the PEB. This patch adds the check and while on it, adds an assertion which validates the 'pnum' argument, as well as removes a check which is always true because it has already been done few lines before. Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
* / Fix common misspellingsLucas De Marchi2011-03-31
|/ | | | | | Fixes generated by 'codespell' and manually reviewed. Signed-off-by: Lucas De Marchi <lucas.demarchi@profusion.mobi>
* Merge branch 'master' of ↵Artem Bityutskiy2011-03-25
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6 into for-linus-1 * 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6: (9356 commits) [media] rc: update for bitop name changes fs: simplify iget & friends fs: pull inode->i_lock up out of writeback_single_inode fs: rename inode_lock to inode_hash_lock fs: move i_wb_list out from under inode_lock fs: move i_sb_list out from under inode_lock fs: remove inode_lock from iput_final and prune_icache fs: Lock the inode LRU list separately fs: factor inode disposal fs: protect inode->i_state with inode->i_lock lib, arch: add filter argument to show_mem and fix private implementations SLUB: Write to per cpu data when allocating it slub: Fix debugobjects with lockless fastpath autofs4: Do not potentially dereference NULL pointer returned by fget() in autofs_dev_ioctl_setpipefd() autofs4 - remove autofs4_lock autofs4 - fix d_manage() return on rcu-walk autofs4 - fix autofs4_expire_indirect() traversal autofs4 - fix dentry leak in autofs4_expire_direct() autofs4 - reinstate last used update on access vfs - check non-mountpoint dentry might block in __follow_mount_rcu() ... NOTE! This merge commit was created to fix compilation error. The block tree was merged upstream and removed the 'elv_queue_empty()' function which the new 'mtdswap' driver is using. So a simple merge of the mtd tree with upstream does not compile. And the mtd tree has already be published, so re-basing it is not an option. To fix this unfortunate situation, I had to merge upstream into the mtd-2.6.git tree without committing, put the fixup patch on top of this, and then commit this. The result is that we do not have commits which do not compile. In other words, this merge commit "merges" 3 things: the MTD tree, the upstream tree, and the fixup patch.
| * Merge branch 'for-linus' of git://git.infradead.org/ubi-2.6Linus Torvalds2011-03-24
| |\ | | | | | | | | | | | | | | | | | | | | | * 'for-linus' of git://git.infradead.org/ubi-2.6: UBIFS: fix assertion warning and refine comments UBIFS: kill CONFIG_UBIFS_FS_DEBUG_CHKS UBIFS: use GFP_NOFS properly UBI: use GFP_NOFS properly
| | * UBI: use GFP_NOFS properlyArtem Bityutskiy2011-03-24
| | | | | | | | | | | | | | | | | | | | | | | | | | | This patch fixes a brown-paperbag bug which was introduced by me: I used incorrect "GFP_KERNEL | GFP_NOFS" allocation flags to make sure my allocations do not cause write-back. But the correct form is "GFP_NOFS". Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
| * | tmio: Silence warnings introduced by mfd changesAndres Salomon2011-03-23
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This silences warnings such as drivers/video/tmiofb.c: In function 'tmiofb_hw_init': drivers/video/tmiofb.c:270: warning: initialization discards qualifiers from pointer target type These were added by me in commit 2a79bb1d. Signed-off-by: Andres Salomon <dilinger@queued.net> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
| * | mtd: Use mfd_data instead of driver_data for tmio_nandAndres Salomon2011-03-23
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Use mfd_data for passing information from mfd drivers to mfd clients. The mfd_cell's driver_data field is being phased out. Clients that were using driver_data now access .mfd_data via mfd_get_data(). This changes tmio-nand only; mfd drivers with other cells are not modified. Signed-off-by: Andres Salomon <dilinger@queued.net> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
| * | mfd: mfd_cell is now implicitly available to t7166xb driversAndres Salomon2011-03-23
| |/ | | | | | | | | | | | | | | | | | | No need to explicitly set the cell's platform_data/data_size. Modify clients to use mfd_get_cell helper function instead of accessing platform_data directly. Signed-off-by: Andres Salomon <dilinger@queued.net> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
| * Merge branch 'linux-next' of git://git.infradead.org/ubifs-2.6Linus Torvalds2011-03-18
| |\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * 'linux-next' of git://git.infradead.org/ubifs-2.6: (25 commits) UBIFS: clean-up commentaries UBIFS: save 128KiB or more RAM UBIFS: allocate orphans scan buffer on demand UBIFS: allocate lpt dump buffer on demand UBIFS: allocate ltab checking buffer on demand UBIFS: allocate scanning buffer on demand UBIFS: allocate dump buffer on demand UBIFS: do not check data crc by default UBIFS: simplify UBIFS Kconfig menu UBIFS: print max. index node size UBIFS: handle allocation failures in UBIFS write path UBIFS: use max_write_size during recovery UBIFS: use max_write_size for write-buffers UBIFS: introduce write-buffer size field UBI: incorporate LEB offset information UBIFS: incorporate maximum write size UBI: provide LEB offset information UBI: incorporate maximum write size UBIFS: fix LEB number in printk UBIFS: restrict world-writable debugfs files ...
| | * UBI: provide LEB offset informationArtem Bityutskiy2011-03-08
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Provide the LEB offset information in the UBI device information data structure. This piece of information is required by UBIFS to find out what are the LEB offsets which are aligned to the max. write size. If LEB offset not aligned to max. write size, then UBIFS has to take this into account to write more optimally. Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
| | * UBI: incorporate maximum write sizeArtem Bityutskiy2011-03-08
| | | | | | | | | | | | | | | | | | | | | | | | Incorporate MTD write buffer size into UBI device information because UBIFS needs this field. UBI does not use it ATM, just provides to upper layers in 'struct ubi_device_info'. Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
| * | Merge branch 'linux-next' of git://git.infradead.org/ubi-2.6Linus Torvalds2011-03-18
| |\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * 'linux-next' of git://git.infradead.org/ubi-2.6: UBI: make tests modes dynamic UBI: make self-checks dynamic UBI: make debugging messages dynamic UBI: remove UBI_IO_DEBUG macro UBI: kill debugging buffer UBI: allocate erase checking buffer on demand UBI: allocate write checking buffer on demand UBI: always re-read in case of read failures UBI: cleanup comments about corrupted PEBs UBI: add slab cache for ubi_scan_leb objects UBI: use raw mtd read function in debugging code UBI: try to reveal buggy MTD drivers UBI: add a commentary about allocating VID header buffer on stack UBI: cleanup LEB start calculations UBI: fix NOR erase preparation quirk
| | * | UBI: make tests modes dynamicArtem Bityutskiy2011-03-16
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Similarly to the debugging checks and message, make the test modes be dynamically selected via the "debug_tsts" module parameter or via the "/sys/module/ubi/parameters/debug_tsts" sysfs file. This is consistent with UBIFS as well. And now, since all the Kconfig knobs became dynamic, we can remove the Kconfig.debug file completely. Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
| | * | UBI: make self-checks dynamicArtem Bityutskiy2011-03-16
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch adds a possibility to dynamically switch UBI self-checks on and off, instead of toggling them compile-time from the configuration menu. This is much more flexible, and consistent with UBIFS, and this also simplifies UBI Kconfig menu and the code. This patch introduces two levels of self-checks - general, which includes all self-checks which are relatively fast, and I/O, which includes write-verify checks and erase-verify checks, which are relatively slow and involve flash I/O. Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
| | * | UBI: make debugging messages dynamicArtem Bityutskiy2011-03-16
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch adds a possibility to dynamically select UBI debugging messages, instead of selecting them compile-time from the configuration menu. This is much more flexible, and consistent with UBIFS, and this also simplifies UBI Kconfig menu and the code. Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
| | * | UBI: remove UBI_IO_DEBUG macroArtem Bityutskiy2011-03-16
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This additional little macro is used to print a bit more messages while scanning the media. However, we have the 'dbg_bld()' macro for this, so we better us 'dbg_bld()' and kill UBI_IO_DEBUG. This simplifies the code a tiny bit. Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
| | * | UBI: kill debugging bufferArtem Bityutskiy2011-03-16
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch kills the 'ubi->dbg_peb_buf' debugging buffer and the associated mutex, because all users of this buffer are now gone. We are killing this buffer because we are going to switch to dynamic debugging control, just like in UBIFS, which means that CONFIG_MTD_UBI_DEBUG_PARANOID will be removed. In this case we'd end up always allocating 'ubi->dbg_peb_buf', which is rather large (128KiB or more), and this would be wasteful. Thus, we are just killing it. Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
| | * | UBI: allocate erase checking buffer on demandArtem Bityutskiy2011-03-16
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Instead of using pre-allocated 'ubi->dbg_peb_buf' buffer in 'ubi_dbg_check_all_ff()', dynamically allocate it when needed. The intend is to get rid of the pre-allocated 'ubi->dbg_peb_buf' buffer completely. And the need for this arises because we want to change to dynamic debugging control instead of compile-time control, i.e., we are going to kill the CONFIG_MTD_UBI_DEBUG_PARANOID Kconfig option, which would mean that 'ubi->dbg_peb_buf' is always allocated, which would be wasteful. Thus, we are getting rid of 'ubi->dbg_peb_buf', and this is a preparation for that. signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
| | * | UBI: allocate write checking buffer on demandArtem Bityutskiy2011-03-16
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Instead of using pre-allocated 'ubi->dbg_peb_buf' buffer in 'ubi_dbg_check_write()', dynamically allocate it when needed. The intend is to get rid of the pre-allocated 'ubi->dbg_peb_buf' buffer completely. And the need for this arises because we want to change to dynamic debugging control instead of compile-time control, i.e., we are going to kill the CONFIG_MTD_UBI_DEBUG_PARANOID Kconfig option, which would mean that 'ubi->dbg_peb_buf' is always allocated, which would be wasteful. Thus, we are getting rid of 'ubi->dbg_peb_buf', and this is a preparation for that. Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
| | * | UBI: always re-read in case of read failuresArtem Bityutskiy2011-02-06
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | When the read operation fails, UBI tries to re-read several times in a hope that one of the subsequent reads may succeed. However, currently UBI re-reads only if MTD failed to read all data, but does not re-reads if all the data were read, but with an integrity error (-EBADMSB). This patch makes UBI to always re-try reading. This should be useful for reading NAND pages with unstable bits - re-reading may help to get correct data. Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
| | * | UBI: cleanup comments about corrupted PEBsArtem Bityutskiy2011-02-06
| | | | | | | | | | | | | | | | | | | | | | | | Just make them a bit more readable and explanatory. Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
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