| Commit message (Collapse) | Author | Age | Files | Lines |
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* master.kernel.org:/home/rmk/linux-2.6-arm:
[ARM] Fix shared mmap when more than two maps of the same file exist
[ARM] fix VIPT/VIVT macro optimisations, add comments
[ARM] 5179/1: Replace obsolete IRQT_* and __IRQT_* values with IRQ_TYPE_*
[ARM] update defconfig for eseries.
[ARM] PXA: squash warning in pxafb
[ARM] pxa: PXA25x UDC - Fix warning during build
[ARM] fix nwflash.c: 6ee8928d94841aa764aeaf645ad16daff811dc26
[ARM] fix IOP32x, IOP33x, MXC and Samsung builds
[ARM] pci: provide dummy pci_get_legacy_ide_irq()
[ARM] fix fls() for 64-bit arguments
[ARM] fix mode for board-yl-9200.c
[ARM] 5176/1: arm/Makefile: fix: ARM946T -> ARM946E
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cacheflush.h was doing:
... VIVT only stuff
... VIPT only stuff
... VIVT or VIPT stuff
which is clearly bogus - we would only ever use the "VIVT or VIPT" case
when both VIVT and VIPT are not selected. Fix this.
Add comments to each case, including noting the impossibility of
correctly detecting the cache type of ARM926 and ARMv6 cores from
the cache type register in the "VIVT or VIPT" case.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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IRQT_* and __IRQT_* were obsoleted long ago by patch [3692/1].
Remove them completely. Sed script for the reference:
s/__IRQT_RISEDGE/IRQ_TYPE_EDGE_RISING/g
s/__IRQT_FALEDGE/IRQ_TYPE_EDGE_FALLING/g
s/__IRQT_LOWLVL/IRQ_TYPE_LEVEL_LOW/g
s/__IRQT_HIGHLVL/IRQ_TYPE_LEVEL_HIGH/g
s/IRQT_RISING/IRQ_TYPE_EDGE_RISING/g
s/IRQT_FALLING/IRQ_TYPE_EDGE_FALLING/g
s/IRQT_BOTHEDGE/IRQ_TYPE_EDGE_BOTH/g
s/IRQT_LOW/IRQ_TYPE_LEVEL_LOW/g
s/IRQT_HIGH/IRQ_TYPE_LEVEL_HIGH/g
s/IRQT_PROBE/IRQ_TYPE_PROBE/g
s/IRQT_NOEDGE/IRQ_TYPE_NONE/g
Signed-off-by: Dmitry Baryshkov <dbaryshkov@gmail.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Fixes an unterminated ' warning building PXA25X UDC.
Signed-off-by: Ian Molton <spyro@f2s.com>
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This fixes footbridge_defconfig:
drivers/pnp/resource.c: In function 'pci_dev_uses_irq':
drivers/pnp/resource.c:317: error: implicit declaration of function 'pci_get_legacy_ide_irq'
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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arm's fls() is implemented as a macro, causing it to misbehave when passed
64-bit arguments. Fix.
Cc: Nickolay Vinogradov <nickolay@protei.ru>
Tested-by: Krzysztof Halasa <khc@pm.waw.pl>
Cc: <stable@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Simplify the code of include/linux/task_io_accounting.h.
It is also more reasonable to have all the task i/o-related statistics in a
single struct (task_io_accounting).
Signed-off-by: Andrea Righi <righi.andrea@gmail.com>
Signed-off-by: Oleg Nesterov <oleg@tv-sign.ru>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394-2.6:
firewire: state userland requirements in Kconfig help
firewire: avoid memleak after phy config transmit failure
firewire: fw-ohci: TSB43AB22/A dualbuffer workaround
firewire: queue the right number of data
firewire: warn on unfinished transactions during card removal
firewire: small fw_fill_request cleanup
firewire: fully initialize fw_transaction before marking it pending
firewire: fix race of bus reset with request transmission
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Isochronous reception in dualbuffer mode is reportedly broken with
TI TSB43AB22A on x86-64. Descriptor addresses above 2G have been
determined as the trigger:
https://bugzilla.redhat.com/show_bug.cgi?id=435550
Two fixes are possible:
- pci_set_consistent_dma_mask(pdev, DMA_31BIT_MASK);
at least when IR descriptors are allocated, or
- simply don't use dualbuffer.
This fix implements the latter workaround.
But we keep using dualbuffer on x86-32 which won't give us highmen (and
thus physical addresses outside the 31bit range) in coherent DMA memory
allocations. Right now we could for example also whitelist PPC32, but
DMA mapping implementation details are expected to change there.
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
Signed-off-by: Jarod Wilson <jwilson@redhat.com>
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* git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6: (59 commits)
[SCSI] replace __FUNCTION__ with __func__
[SCSI] extend the last_sector_bug flag to cover more sectors
[SCSI] qla2xxx: Update version number to 8.02.01-k6.
[SCSI] qla2xxx: Additional NPIV corrections.
[SCSI] qla2xxx: suppress uninitialized-var warning
[SCSI] qla2xxx: use memory_read_from_buffer()
[SCSI] qla2xxx: Issue proper ISP callbacks during stop-firmware.
[SCSI] ch: fix ch_remove oops
[SCSI] 3w-9xxx: add MSI support and misc fixes
[SCSI] scsi_lib: use blk_rq_tagged in scsi_request_fn
[SCSI] ibmvfc: Update driver version to 1.0.1
[SCSI] ibmvfc: Add ADISC support
[SCSI] ibmvfc: Miscellaneous fixes
[SCSI] ibmvfc: Fix hang on module removal
[SCSI] ibmvfc: Target refcounting fixes
[SCSI] ibmvfc: Reduce unnecessary log noise
[SCSI] sym53c8xx: free luntbl in sym_hcb_free
[SCSI] scsi_scan.c: Release mutex in error handling code
[SCSI] scsi_eh_prep_cmnd should save scmd->underflow
[SCSI] sd: Support for SCSI disk (SBC) Data Integrity Field
...
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The last_sector_bug flag was added to work around a bug in certain usb
cardreaders, where they would crash if a multiple sector read included the
last sector. The original implementation avoids this by e.g. splitting an 8
sector read which includes the last sector into a 7 sector read, and a single
sector read for the last sector. The flag is enabled for all USB devices.
This revealed a second bug in other usb cardreaders, which crash when they
get a multiple sector read which stops 1 sector short of the last sector.
Affected hardware includes the Kingston "MobileLite" external USB cardreader
and the internal USB cardreader on the Asus EeePC.
Extend the last_sector_bug workaround to ensure that any access which touches
the last 8 hardware sectors of the device is a single sector long. Requests
are shrunk as necessary to meet this constraint.
This gives us a safety margin against potential unknown or future bugs
affecting multi-sector access to the end of the device. The two known bugs
only affect the last 2 sectors. However, they suggest that these devices
are prone to fencepost errors and that multi-sector access to the end of the
device is not well tested. Popular OS's use multi-sector accesses, but they
rarely read the last few sectors. Linux (with udev & vol_id) automatically
reads sectors from the end of the device on insertion. It is assumed that
single sector accesses are more thoroughly tested during development.
Signed-off-by: Alan Jenkins <alan-jenkins@tuffmail.co.uk>
Tested-by: Alan Jenkins <alan-jenkins@tuffmail.co.uk>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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This patch (as1116) fixes a bug in scsi_eh_prep_cmnd() and
scsi_eh_restore_cmnd(). These routines are supposed to save any
values they change and restore them later, but someone forgot to
save & restore scmd->underflow.
This fixes part of the problem reported in Bugzilla #9638.
[jejb: fix up rejections around DIF/DIX]
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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Implement support for DMA of protection information for devices that
are data integrity capable.
- Add support for mapping an extra scatter-gather list containing
the protection information.
- Allocate protection scsi_data_buffer if host is DIX (integrity DMA)
capable.
- Accessor function for checking whether a device has protection
enabled.
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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Controllers that support DMA of protection information must be told
explicitly how to handle the I/O. The controller has no knowledge of
the protection capabilities of the target device so this information
must be passed in the scsi_cmnd.
- The protection operation tells the HBA whether to generate, strip or
verify protection information.
- The protection type tells the HBA which layout the target is
formatted with. This is necessary because the controller must be
able to correctly interpret the included protection information in
order to verify it.
- When a scsi_cmnd is reused for error handling the protection
operation must be cleared and saved while error handling is in
progress.
- prot_op and prot_type are placed in an existing hole in scsi_cmnd
and don't cause the structure to grow.
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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Controllers that support protection information must indicate this to
the SCSI midlayer so that the ULD can prepare scsi_cmnds accordingly.
This patch implements a host mask and various types of protection:
- DIF Type 1-3 (between HBA and disk)
- DIX Type 0-3 (between OS and HBA)
The patch also allows the HBA to set the guard type to something
different than the T10-mandated CRC.
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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multipath keeps a separate device table which may be
more current than the built-in one.
So we should make sure to always call ->attach whenever
a multipath map with hardware handler is instantiated.
And we should call ->detach on removal, too.
[sekharan: update as per comments from agk]
Signed-off-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Chandra Seetharaman <sekharan@us.ibm.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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Signed-off-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Chandra Seetharaman <sekharan@us.ibm.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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This patch converts the EMC device handler to use a proper
state machine. We now also parse the extended INQUIRY
information to determine if long trespass commands are
supported. And we're now using the long trespass command
correctly. And finally there's now an check at init time
to refuse to attach to devices not supporting EMC-specific
VPD pages.
Signed-off-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Chandra Seetharaman <sekharan@us.ibm.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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Instead of having each and every driver implement its own
device table scanning code we should rather implement a common
routine and scan the device tables there.
This allows us also to implement a general notifier chain
callback for all device handler instead for one per handler.
[sekharan: Fix rejections caused by conflicting bug fix]
Signed-off-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Chandra Seetharaman <sekharan@us.ibm.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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Daniel Debonzi reports that he has managed to wrap host_no. Increasing
the number of host numbers available to 32-bit from 16-bit allows the
problem to be evaded for another hundred years.
Signed-off-by: Matthew Wilcox <willy@linux.intel.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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* git://git.kernel.org/pub/scm/linux/kernel/git/hskinnemoen/avr32-2.6:
avr32: some mmc/sd cleanups
include/video/atmel_lcdc.h must #include <linux/workqueue.h>
avr32: allow system timer to share interrupt to make OProfile work
drivers/misc/atmel-ssc.c: Removed duplicated include
avr32: Add platform data for AC97C platform device
avr32: clean up mci platform code
fix avr32 build errors
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This patch fixes the following compile error caused by
commit d22579b837358cbef12ccca5adaf7e93ae09ab7a
(atmel_lcdfb: FIFO underflow management):
<-- snip -->
...
CC arch/avr32/boards/atstk1000/atstk1004.o
In file included from /home/bunk/linux/kernel-2.6/git/linux-2.6/arch/avr32/boards/atstk1000/atstk1004.c:21:
/home/bunk/linux/kernel-2.6/git/linux-2.6/include/video/atmel_lcdc.h:40: error: field 'task' has incomplete type
make[2]: *** [arch/avr32/boards/atstk1000/atstk1004.o] Error 1
<-- snip -->
Reported-by: Adrian Bunk <bunk@kernel.org>
Signed-off-by: Adrian Bunk <bunk@kernel.org>
Signed-off-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
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This patch adds platform data to the AC97C platform device. This will
let the board add a GPIO line which is connected to the external codecs
reset line.
The platform data, ac97c_platform_data, must also contain the DMA
controller ID, RX channel ID and TX channel ID.
Tested with Wolfson WM9712 and AP7000.
Signed-off-by: Hans-Christian Egtvedt <hcegtvedt@atmel.com>
Signed-off-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/avi/kvm
* 'kvm-updates-2.6.27' of git://git.kernel.org/pub/scm/linux/kernel/git/avi/kvm:
KVM: ppc: fix invalidation of large guest pages
KVM: s390: Fix possible host kernel bug on lctl(g) handling
KVM: s390: Fix instruction naming for lctlg
KVM: s390: Fix program check on interrupt delivery handling
KVM: s390: Change guestaddr type in gaccess
KVM: s390: Fix guest kconfig
KVM: s390: Advertise KVM_CAP_USER_MEMORY
KVM: ia64: Fix irq disabling leak in error handling code
KVM: VMX: Fix undefined beaviour of EPT after reload kvm-intel.ko
KVM: VMX: Fix bypass_guest_pf enabling when disable EPT in module parameter
KVM: task switch: translate guest segment limit to virt-extension byte granular field
KVM: Avoid instruction emulation when event delivery is pending
KVM: task switch: use seg regs provided by subarch instead of reading from GDT
KVM: task switch: segment base is linear address
KVM: SVM: allow enabling/disabling NPT by reloading only the architecture module
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When guest invalidates a large tlb map, there may be more than one
corresponding shadow tlb maps that need to be invalidated. Use eaddr and eend
to find these shadow tlb maps.
Signed-off-by: Liu Yu <yu.liu@freescale.com>
Signed-off-by: Hollis Blanchard <hollisb@us.ibm.com>
Signed-off-by: Avi Kivity <avi@qumranet.com>
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Lets fix the name for the lctlg instruction...
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Avi Kivity <avi@qumranet.com>
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All registers are unsigned long types. This patch changes all occurences
of guestaddr in gaccess from u64 to unsigned long.
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Avi Kivity <avi@qumranet.com>
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If NPT is enabled after loading both KVM modules on AMD and it should be
disabled, both KVM modules must be reloaded. If only the architecture module is
reloaded the behavior is undefined. With this patch it is possible to disable
NPT only by reloading the kvm_amd module.
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Signed-off-by: Avi Kivity <avi@qumranet.com>
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* git://git.kernel.org/pub/scm/linux/kernel/git/sam/kbuild-next: (25 commits)
setlocalversion: do not describe if there is nothing to describe
kconfig: fix typos: "Suport" -> "Support"
kconfig: make defconfig is no longer chatty
kconfig: make oldconfig is now less chatty
kconfig: speed up all*config + randconfig
kconfig: set all new symbols automatically
kconfig: add diffconfig utility
kbuild: remove Module.markers during mrproper
kbuild: sparse needs CF not CHECKFLAGS
kernel-doc: handle/strip __init
vmlinux.lds: move __attribute__((__cold__)) functions back into final .text section
init: fix URL of "The GNU Accounting Utilities"
kbuild: add arch/$ARCH/include to search path
kbuild: asm symlink support for arch/$ARCH/include
kbuild: support arch/$ARCH/include for tags, cscope
kbuild: prepare headers_* for arch/$ARCH/include
kbuild: install all headers when arch is changed
kbuild: make clean removes *.o.* as well
kbuild: optimize headers_* targets
kbuild: only one call for include/ in make headers_*
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section
Due to the addition of __attribute__((__cold__)) to a few symbols
without adjusting the linker scripts, those symbols currently may end
up outside the [_stext,_etext) range, as they get placed in
.text.unlikely by (at least) gcc 4.3.0. This may confuse code not only
outside of the kernel, symbol_put_addr()'s BUG() could also trigger.
Hence we need to add .text.unlikely (and for future uses of
__attribute__((__hot__)) also .text.hot) to the TEXT_TEXT() macro.
Issue observed by Lukas Lipavsky.
Signed-off-by: Jan Beulich <jbeulich@novell.com>
Tested-by: Lukas Lipavsky <llipavsky@suse.cz>
Cc: <stable@kernel.org>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
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Move it to the top-level file to decide if we install/check
the generic headers or the arch specific headers.
This revealed a long standing bug where "make headers_check_all"
relied on the files in asm/ for the current architecture.
So make headers_check_all is now broken by this commit.
In addition:
o add a simpler way to detect if an arch support
exporting header files.
o add 'set -e;' so we error out early if
make headers_check_all fails.
o add sparc64 and cris to arch we do not process
in make headers_*_all because:
sparc64 - use sparc to export headers
cris - is know seriously broken
Includes suggestions from: David Woodhouse
<dwmw2@infradead.org>.
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Cc: David Woodhouse <dwmw2@infradead.org>
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Put all i/o statistics in struct proc_io_accounting and use inline functions to
initialize and increment statistics, removing a lot of single variable
assignments.
This also reduces the kernel size as following (with CONFIG_TASK_XACCT=y and
CONFIG_TASK_IO_ACCOUNTING=y).
text data bss dec hex filename
11651 0 0 11651 2d83 kernel/exit.o.before
11619 0 0 11619 2d63 kernel/exit.o.after
10886 132 136 11154 2b92 kernel/fork.o.before
10758 132 136 11026 2b12 kernel/fork.o.after
3082029 807968 4818600 8708597 84e1f5 vmlinux.o.before
3081869 807968 4818600 8708437 84e155 vmlinux.o.after
Signed-off-by: Andrea Righi <righi.andrea@gmail.com>
Acked-by: Oleg Nesterov <oleg@tv-sign.ru>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Piss-poor sysctl registration API strikes again, film at 11...
What we really need is _pathname_ required to be present in already
registered table, so that kernel could warn about bad order. That's the
next target for sysctl stuff (and generally saner and more explicit
order of initialization of ipv[46] internals wouldn't hurt either).
For the time being, here are full fixups required by ..._rotable()
stuff; we make per-net sysctl sets descendents of "ro" one and make sure
that sufficient skeleton is there before we start registering per-net
sysctls.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband:
mlx4: Update/add Mellanox Technologies copyright lines to mlx4 driver files
mlx4_core: Add VLAN tag field to WQE control segment struct
RDMA/nes: CM connection setup/teardown rework
IPoIB: Correct help text for INFINIBAND_IPOIB_DEBUG
IPoIB/cm: Connected mode is no longer EXPERIMENTAL
RDMA/ucm: BKL is not needed for ib_ucm_open()
RDMA/ucma: BKL is not needed for ucma_open()
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Add fields for VLAN tag and insert VLAN tag flag to the control
section struct. These fields will be used for sending ethernet
packets.
Signed-off-by: Yevgeny Petrilin <yevgenyp@mellanox.co.il>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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* git://git.infradead.org/mtd-2.6: (57 commits)
[MTD] [NAND] subpage read feature as a way to increase performance.
CPUFREQ: S3C24XX NAND driver frequency scaling support.
[MTD][NAND] au1550nd: remove unused variable
[MTD] jedec_probe: Fix SST 16-bit chip detection
[MTD][MTDPART] Fix a division by zero bug
[MTD][MTDPART] Cleanup and document the erase region handling
[MTD][MTDPART] Handle most checkpatch findings
[MTD][MTDPART] Seperate main loop from per-partition code in add_mtd_partition
[MTD] physmap: resume already suspended chips on failure to suspend
[MTD] physmap: Fix suspend/resume/shutdown bugs.
[MTD] [NOR] Fix -ETIMEO errors in CFI driver
[MTD] [NAND] fsl_elbc_nand: fix section mismatch with CONFIG_MTD_OF_PARTS=y
[JFFS2] Use .unlocked_ioctl
[MTD] Fix const assignment in the MTD command line partitioning driver
[MTD] [NOR] gen_probe: No debug message when debugging is disabled
[MTD] [NAND] remove __PPC__ hardcoded address from DiskOnChip drivers
[MTD] [MAPS] Remove the bast-flash driver.
[MTD] [NAND] fsl_elbc_nand: ecclayout cleanups
[MTD] [NAND] fsl_elbc_nand: implement support for flash-based BBT
[MTD] [NAND] fsl_elbc_nand: fix OOB workability for large page NAND chips
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This patch enables NAND subpage read functionality.
If upper layer drivers are requesting to read non page aligned data NAND
subpage-read functionality reads the only whose ECC regions which include
requested data when original code reads whole page.
This significantly improves performance in many cases.
Here are some digits :
UBI volume mount time
No subpage reads: 5.75 seconds
Subpage read patch: 2.42 seconds
Open/stat time for files on JFFS2 volume:
No subpage read 0m 5.36s
Subpage read 0m 2.88s
Signed-off-by Alexey Korolev <akorolev@infradead.org>
Acked-by: Artem Bityutskiy <dedekind@infradead.org>
Acked-by: Jörn Engel <joern@logfs.org>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
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This function initializes and adds a platform_device for a NAND flash
interface on SMC chip select 3.
Signed-off-by: Håvard Skinnemoen <haavard.skinnemoen@atmel.com>
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
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This is basically s/at91_nand/atmel_nand/g with some manual inspection.
Signed-off-by: Håvard Skinnemoen <haavard.skinnemoen@atmel.com>
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
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The AT91 NAND driver needs just a few tiny modifications to work on
AVR32 as well. Rename it atmel_nand to reflect this.
Also move the ECC register definitions into drivers/mtd/nand since they
are only useful to the atmel_nand driver, and get rid of the useless
filename at the top of each file.
Signed-off-by: Håvard Skinnemoen <haavard.skinnemoen@atmel.com>
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
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Once upon a time, the MTD repository was using CVS.
This patch therefore removes all usages of the no longer updated CVS
keywords from the MTD code.
This also includes code that printed them to the user.
Signed-off-by: Adrian Bunk <bunk@kernel.org>
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/frob/linux-2.6-utrace
* 'tracehook' of git://git.kernel.org/pub/scm/linux/kernel/git/frob/linux-2.6-utrace:
tracehook: comment fixes
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This fixes some typos and errors in <linux/tracehook.h> comments.
No code changes.
Signed-off-by: Roland McGrath <roland@redhat.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/drzeus/mmc
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/drzeus/mmc:
atmel-mci: debugfs support
mmc: Add per-card debugfs support
mmc: Export internal host state through debugfs
imxmmc: fix crash when no platform data is provided
imxmmc: fix platform resources
imxmmc: remove DEBUG definition
mmc_spi: put signals to low power off fix
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For each card successfully added to the bus, create a subdirectory under
the host's debugfs root with information about the card.
At the moment, only a single file is added to the card directory for
all cards: "state". It reflects the "state" field in struct mmc_card,
indicating whether the card is present, readonly, etc.
For MMC and SD cards (not SDIO), another file is added: "status".
Reading this file will ask the card about its current status and
return it. This can be useful if the card just refuses to respond to
any commands, which might indicate that the card state is not what the
MMC core thinks it is (due to a missing stop command, for example.)
Signed-off-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
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When CONFIG_DEBUG_FS is set, create a few files under /sys/kernel/debug
containing information about an mmc host's internal state. Currently,
just a single file is created, "ios", which contains information about
the current operating parameters for the bus (clock speed, bus width,
etc.)
Host drivers can add additional files and directories under the host's
root directory by passing the debugfs_root field in struct mmc_host as
the 'parent' parameter to debugfs_create_*.
Signed-off-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
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