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2006-11-28[MTD] replace kmalloc+memset with kzallocBurman Yan
Signed-off-by: Yan Burman <yan_952@hotmail.com> Signed-off-by: David Woodhouse <dwmw2@infradead.org>
2006-11-28[MTD] Fix printk format warning in physmap. (resources again)Randy Dunlap
Fix printk format warning: drivers/mtd/maps/physmap.c:93: warning: long long unsigned int format, long unsigned int arg (arg 2) Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: David Woodhouse <dwmw2@infradead.org>
2006-11-28Merge git://git.infradead.org/~dwmw2/cafe-2.6David Woodhouse
2006-11-28[MTD] [NAND] remove len/ooblen confusion.Vitaly Wool
As was discussed between Ricard Wanderlöf, David Woodhouse, Artem Bityutskiy and me, the current API for reading/writing OOB is confusing. The thing that introduces confusion is the need to specify ops.len together with ops.ooblen for reads/writes that concern only OOB not data area. So, ops.len is overloaded: when ops.datbuf != NULL it serves to specify the length of the data read, and when ops.datbuf == NULL, it serves to specify the full OOB read length. The patch inlined below is the slightly updated version of the previous patch serving the same purpose, but with the new Artem's comments taken into account. Artem, BTW, thanks a lot for your valuable input! Signed-off-by: Vitaly Wool <vwool@ru.mvista.com> Signed-off-by: David Woodhouse <dwmw2@infradead.org>
2006-11-28[MTD] Allow variable block sizes in mtd_blkdevsRichard Purdie
Currently, mtd_blkdevs enforces a block size of 512, even if the drivers can seemingly request a different size. This patch fixes mtd_blkdevs so block sizes other than 512 work correctly. Signed-off-by: Richard Purdie <rpurdie@openedhand.com> Signed-off-by: David Woodhouse <dwmw2@infradead.org>
2006-11-28[MTD] [MAPS] Support for BIOS flash chips on the nvidia ck804 southbridgeDave Olsen
Add support for accessing BIOS flash chips connected to the NVIDIA ck804 southbridge. Signed-off-by: Ryan Jackson <rjackson@lnxi.com> Signed-off-by: David Woodhouse <dwmw2@infradead.org>
2006-11-28[MTD] [NAND] Fix endianess bug in ndfc.cStefan Roese
The writel() call accidentally clears all bits in the NDFC_CCR register (endianess problem). Now __raw_writel() is used instead. Tested on Bamboo with NAND on chip select 0 and chip select 1. Signed-off-by: Stefan Roese <sr@denx.de> Signed-off-by: David Woodhouse <dwmw2@infradead.org>
2006-11-28[MTD] make drivers/mtd/cmdlinepart.c:mtdpart_setup() staticAdrian Bunk
This patch makes the needlessly global mtdpart_setup() static. Signed-off-by: Adrian Bunk <bunk@stusta.de> Signed-off-by: David Woodhouse <dwmw2@infradead.org>
2006-11-28[MTD] [NAND] rtc_from4.c: use lib/bitrev.cAdrian Bunk
This patch converts drivers/mtd/nand/rtc_from4.c to use the new lib/bitrev.c Signed-off-by: Adrian Bunk <bunk@stusta.de> Signed-off-by: David Woodhouse <dwmw2@infradead.org>
2006-11-01[MTD] NAND: Fix ECC settings in CAFÉ controller driver.David Woodhouse
We were resetting cafe->ctl2 to zero after an erase (and also during a write, but it was correctly reset after that). This meant that ECC reads after an erase were failing. Doh. Signed-off-by: David Woodhouse <dwmw2@infradead.org>
2006-10-31[MTD] NAND: Add register debugging spew option to CAFÉ driverDavid Woodhouse
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
2006-10-31[MTD] NAND: Use register #defines throughout CAFÉ driver, not numbersDavid Woodhouse
Also use cafe_readl() and cafe_writel() abstraction to make code slightly cleaner -- especially if we want to use it in PIO mode. Signed-off-by: David Woodhouse <dwmw2@infradead.org>
2006-10-28[MTD] NAND: Fix timing calculation in CAFÉ debugging messageDavid Woodhouse
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
2006-10-27[MTD] NAND: Remove empty block ECC workaroundDavid Woodhouse
They fixed the hardware so that ECC doesn't fail on reading an empty block. Signed-off-by: David Woodhouse <dwmw2@infradead.org>
2006-10-27[MTD] NAND: Add ECC debugging for CAFÉDavid Woodhouse
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
2006-10-27[MTD] CAFÉ NAND: Add 'slowtiming' parameter, default usedma and checkecc onDavid Woodhouse
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
2006-10-27[MTD] NAND: Reset Café controller before initialising.David Woodhouse
Fixes http://dev.laptop.org/ticket/237 Signed-off-by: David Woodhouse <dwmw2@infradead.org>
2006-10-27[MTD] NAND: Café ECC -- remove spurious BUG_ON() in err_pos()David Woodhouse
Being a value which isn't in the table is a case we explicitly check for in the caller. Don't BUG_ON() because it does actually happen in practice. Signed-off-by: David Woodhouse <dwmw2@infradead.org>
2006-10-26[MTD] NAND: Fix nand_default_mark_blockbad() when flash-based BBT disabledRicard Wanderlöf
When a flash-based BBT is not used, nand_default_mark_blockbad() is supposed to mark the block bad in the oob. However, it sets the wrong length variable so that no bad block marker is in fact written. This patch attempts to rectify that. (As note, it seems to be that logically, it shouldn't be necessary to set both length variables, as one appears to be for the main buffer, and one for the oob buffer, but this is how it is done in several places, including the code for the mtd character device MEMWRITEOOB and MEMREADOOB ioctls. I'm not sure if this is a temporary solution during some rework of the mtd infrastructure, or whether there is a deeper thought here.) Signed-off-by: Ricard Wanderlöf <ricardw@axis.com> Signed-off-by: David Woodhouse <dwmw2@infradead.org>
2006-10-23[MTD] NAND: Disable ECC checking on CAFÉ since it's broken for nowDavid Woodhouse
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
2006-10-22[MTD] NAND: CAFÉ NAND driver cleanup, fix ECC on reading empty flashDavid Woodhouse
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
2006-10-22[MTD] NAND: Add hardware ECC correction support to CAFÉ NAND driverDavid Woodhouse
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
2006-10-22Merge git://git.infradead.org/~dwmw2/cafe-2.6David Woodhouse
Conflicts: drivers/mtd/nand/Kconfig
2006-10-22[MTD] NAND: Correct setting of chip->oob_poi OOB bufferDavid Woodhouse
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
2006-10-21[MTD] NAND: Combined oob buffer so it's contiguous with dataDavid Woodhouse
Ditch the separate oobrbuf and oobwbuf fields from the chip buffers, and use only a single buffer immediately after the data. This accommodates NAND controllers such as the OLPC CAFÉ chip, which can't do scatter/gather DMA so needs the OOB buffer to be contiguous with the data, for both read and write. Signed-off-by: David Woodhouse <dwmw2@infradead.org>
2006-10-21Merge branch 'master' of ↵David Woodhouse
git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
2006-10-21[MTD] NAND: nandsim: support subpage writeArtem Bityutskiy
As flash cannot do 0->1 bit transitions when programming, do not do this in the simulator too. This makes nandsim able to accept subpage writes. Signed-off-by: Artem Bityutskiy <dedekind@infradead.org> Signed-off-by: David Woodhouse <dwmw2@infradead.org>
2006-10-21[MTD] NOR: leave Intel chips in read-array mode on suspendDavid Anders
During some testing with several samsung s3c24xx based devices it was discovered that often the cfi_cmdset_0001.c would not leave the chip in read-array mode on suspend. this is an issue if the same flash chip is used for the bootloader that needs to be read on resume. Signed-off-by: David Anders <danders@amltd.com> Signed-off-by: Nicolas Pitre <nico@cam.org> Signed-off-by: David Woodhouse <dwmw2@infradead.org>
2006-10-21[MTD] core: trivial comments fixArtem Bityutskiy
Signed-off-by: Artem Bityutskiy <dedekind@infradead.org> Signed-off-by: David Woodhouse <dwmw2@infradead.org>
2006-10-21[MTD] NAND: nandsim coding style fixVijay Kumar
Removes line break after return type in function definitions, to be consistent with the Linux coding style. Signed-off-by: Vijay Kumar <vijaykumar@bravegnu.org> Signed-off-by: David Woodhouse <dwmw2@infradead.org>
2006-10-21[MTD] NAND: nandsim page-wise allocation (2/2)Vijay Kumar
For page wise allocation, an array of flash page pointers is allocated during initialization. The flash pages are themselves allocated when a write occurs to the page. The flash pages are deallocated when they are erased. Signed-off-by: Vijay Kumar <vijaykumar@bravegnu.org> Signed-off-by: David Woodhouse <dwmw2@infradead.org>
2006-10-21[MTD] NAND: nandsim page-wise allocation (1/2)Vijay Kumar
This patch removes code that does chip mapping. The chip mapping code is no longer used. Signed-off-by: Vijay Kumar <vijaykumar@bravegnu.org> Signed-off-by: David Woodhouse <dwmw2@infradead.org>
2006-10-21[MTD] MAPS: Remove ITE 8172G and Globespan IVR MTD supportYoichi Yuasa
This patch has removed ITE 8172G and Globespan IVR MTD support. These boards support have already been removed. Signed-off-by: Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp> Acked-by: Ralf Bächle <ralf@linux-mips.org> Signed-off-by: David Woodhouse <dwmw2@infradead.org>
2006-10-21[MTD] mtdchar: Fix MEMGETOOBSEL and ECCGETLAYOUT ioctlsRicard Wanderlöf
1. The ECCGETLAYOUT ioctl copy_to_user() call has a superfluous '&' causing the resulting information to be garbage rather than the intended mtd->ecclayout. 2. The MEMGETOOBSEL misses copying mtd->ecclayout->eccbytes so the resulting field of the returned structure contains garbage. Signed-off-by: Ricard Wanderlöf <ricardw@axis.com> Signed-off-by: David Woodhouse <dwmw2@infradead.org>
2006-10-21[MTD] NAND: AT91 NAND driverAndrew Victor
This version only differs from version posted by Savin Zlobec (20 Jun 2006) in that the AT91RM9200-specific chip-select / bus setup code has been moved from the at91_nand.c driver into the processor-specific file. From: Savin Zlobec <savin@epico.si> Signed-off-by: Andrew Victor <andrew@sanpeople.com> Signed-off-by: David Woodhouse <dwmw2@infradead.org>
2006-10-21[JFFS2] Fix jffs2_follow_link() typoQi Yong
typo fix: noticed this typo while reading the patch "jffs2: fix symlink error handling" Signed-off-by: David Woodhouse <dwmw2@infradead.org>
2006-10-21[MTD] MAPS: esb2rom: use hotplug safe interfacesAlan Cox
Fairly self explanatory. Keep a reference initially, drop it when we free up the driver resources. Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: David Woodhouse <dwmw2@infradead.org>
2006-10-21[MTD] JEDEC probe: fix comment typo (devic)Alexey Dobriyan
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: David Woodhouse <dwmw2@infradead.org>
2006-10-21[JFFS2] Use rb_first() and rb_last() cleanupAkinobu Mita
Use rb_first() and rb_last() to implement frag_first() and frag_last(). Signed-off-by: Akinbou Mita <akinobu.mita@gmail.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: David Woodhouse <dwmw2@infradead.org>
2006-10-21[MTD] MAPS: Support for BIOS flash chips on Intel ESB2 southbridgeLew Glendenning
Add MTD map driver for BIOS flash chips connected to the Intel ESB2 southbridge. [akpm@osdl.org: coding-style fixes, build fix] Signed-off-by: Ryan Jackson <rjackson@lnxi.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: David Woodhouse <dwmw2@infradead.org>
2006-10-21[MTD] CHIPS: Support for SST 49LF040B flash chipRyan Jackson
Add chip driver and JEDEC probe support for the SST 49LF040B flash chip. Signed-off-by: Ryan Jackson <rjackson@lnxi.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: David Woodhouse <dwmw2@infradead.org>
2006-10-21[MTD] MAPS: Add parameter to amd76xrom to override rom window sizeRyan Jackson
The 2 bits controlling the window size are often set to allow reading the BIOS, but too small to allow writing, since the lock registers are 4MiB lower in the address space than the data. This is intended to prevent flashing the bios, perhaps accidentally. The bits are 6 and 7. If both bits are set, it is a 5MiB window. If only the 7 Bit is set, it is a 4MiB window. Otherwise, it is a 64KiB window. This parameter allows the driver to override the BIOS settings. Signed-off-by: Ryan Jackson <rjackson@lnxi.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: David Woodhouse <dwmw2@infradead.org>
2006-10-20[PATCH] fix PXA2xx UDC compilation errorNicolas Pitre
This was apparently missed by the move to the generic IRQ code. Signed-off-by: Nicolas Pitre <nico@cam.org> Cc: Greg KH <greg@kroah.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-10-20[PATCH] Fix up rpaphp driver for pci hotplug header moveOlaf Hering
Use grep instead of make during interface changes. Signed-off-by: Olaf Hering <olaf@aepfle.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-10-20configfs: handle kzalloc() failure in check_perm()Chandra Seetharaman
check_perm() does not drop the reference to the module when kzalloc() failure occurs. Signed-Off-By: Chandra Seetharaman <sekharan@us.ibm.com> Signed-off-by: Joel Becker <joel.becker@oracle.com> Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
2006-10-20ocfs2: cond_resched() in ocfs2_zero_extend()Mark Fasheh
The loop within ocfs2_zero_extend() can execute for a long time, causing spurious soft lockup warnings. Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
2006-10-20ocfs2: fix page zeroing during simple extendsMark Fasheh
The page zeroing code was missing the region between old i_size and new i_size for those extends that didn't actually require a change in space allocation. Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
2006-10-20ocfs2: remove spurious d_count check in ocfs2_rename()Sunil Mushran
This was causing some folks to incorrectly get -EBUSY during rename. Signed-off-by: Sunil Mushran <sunil.mushran@oracle.com> Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
2006-10-20ocfs2: delete redundant memcmp()Akinobu Mita
This patch deletes redundant memcmp() while looking up in rb tree. Signed-off-by: Akinbou Mita <akinobu.mita@gmail.com> Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
2006-10-20Merge branch 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linusLinus Torvalds
* 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus: [MIPS] Fix iounmap argument to const volatile. [MIPS] Reserve syscall numbers for kexec_load. [MIPS] Update tb0287_defconfig [MIPS] Update pnx8550-v2pci_defconfig [MIPS] Update pnx8500-jbs_defconfig [MIPS] More vr41xx pt_regs fixups [MIPS] save_context_stack fix [MIPS] Use compat_sys_mount. [MIPS] Fix O32 personality(2) call with 0xffffffff argument. [MIPS] A few more pt_regs fixups. [MIPS] Malta: Fix uninitialized regs pointer. [MIPS] Delete unneeded pt_regs forward declaration. [MIPS] Use kallsyms_lookup_size_offset() instead of kallsyms_lookup()
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