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This reverts commit 5b479c91da90eef605f851508744bfe8269591a0.
Quoth Neil Brown:
"It causes an oops when auto-detecting raid arrays, and it doesn't
seem easy to fix.
The array may not be 'open' when do_md_run is called, so
bdev->bd_disk might be NULL, so bd_set_size can oops.
This whole approach of opening an md device before it has been
assembled just seems to get more and more painful. I think I'm going
to have to come up with something clever to provide both backward
comparability with usage expectation, and sane integration into the
rest of the kernel."
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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It is preferable to group drivers by usage (net, scsi, ATA, ...) than
by bus. When reviewing drivers, the [PCI|USB|PCMCIA|...] maintainer
is probably less qualified on networking issues than a networking
maintainer. Also, from a practical standpoint, chips often
appear on multiple buses, which is why we do not put drivers into
drivers/pci/net.
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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Looks like you removed the combined_mode quirk (yay!) but didn't update
kernel-parameters.txt... might confuse people. Here's a patch to remove
mention of it from the documentation.
Signed-off-by: Jesse Barnes <jesse.barnes@intel.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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Warning(linux-2.6.21-git4//drivers/ata/libata-core.c:904): No description found for parameter 'new_sectors'
Warning(linux-2.6.21-git4//drivers/ata/libata-core.c:941): No description found for parameter 'new_sectors'
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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There is a small typo in the probe code of pata_qdi.c, here is a patch.
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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For some reason, sata_via is missing PM hooks. Add them. Spotted by
Jeroen Janssen <jeroen.janssen@gmail.com>.
Signed-off-by: Tejun Heo <htejun@gmail.com>
Cc: Jeroen Janssen <jeroen.janssen@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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This patch fixes some problems with ADMA-capable controllers with
regard to freeze, thaw and irq_clear libata callbacks. Freeze and
thaw didn't switch the ADMA-specific interrupts on or off, and more
critically the irq_clear function didn't respect the restriction that
the notifier clear registers for both ports have to be written at
the same time even when only one port is being cleared. This could
result in timeouts on one port when error handling (i.e. as a result
of hotplug) occurred on the other port.
As well, this fixes some issues in the interrupt handler: we shouldn't
check any ADMA status if the port has ADMA switched off because of
an ATAPI device, and it also checks to see if any ADMA interrupt has
been raised even when we are in port-register mode.
Signed-off-by: Robert Hancock <hancockr@shaw.ca>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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update pata_pcmcia to add card ident for JVC MP-CDX1 cdrom drive
card info:
PRODID_1="KME"
PRODID_2="KXLC005"
PRODID_3="00"
MANFID=0032,2904
Signed-off-by: Richard Kennedy <richard@rsk.demon.co.uk>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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There is a known problem with sata_promise on SATAII-150/300 TX4
controller cards: it enumerates drives in an order that differs
from the port numbers printed on the controller cards. However,
Promise's BIOS and Linux driver both get the order right.
I investigated Promise's Linux driver (v1.01.0.23), and found
that it explicitly changes the mapping from logical port number
to ATA engine MMIO address on the SATAII TX4 cards. It does this
on all SATAII TX4 cards, without inspecting revision etc. The
SATAII TX2plus cards continue to use the same mapping that was
used for the first-generation chips.
This patch updates sata_promise to use the new port number to
ATA engine mapping on SATAII TX4 cards, which fixes the drive
enumeration order problem on those cards. Tested on several
1st and 2nd generation TX2plus and TX4 chips.
Signed-off-by: Mikael Pettersson <mikpe@it.uu.se>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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The sata_promise error decode update changed pdc_host_intr()
to return and not complete the qc after detecting an error.
Unfortunately not completing the qc:s causes them to always
time out on error, which is wrong and has nasty side-effects.
This patch updates pdc_error_intr() to call ata_port_abort(),
similar to ahci and sata_sil24. Doing this is important as it
makes EH see the original error and not a bogus timeout.
Signed-off-by: Mikael Pettersson <mikpe@it.uu.se>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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_GTF command is never ATA_PROT_ATAPI_NODATA whether the device is
ATAPI or not. It's always ATA_PROT_NODATA.
Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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Copied from b44 driver, but it works:
netconsole: device eth0 not up yet, forcing it
atl1: eth0 link is up 100 Mbps full duplex
netconsole: network logging started
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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Ejecting a PCMCIA IBM Token Ring card that has not had its dev->open()
called will reliably trigger an uninitialized spinlock oops when
spinlock debugging is enabled. The system then hangs, occasionally
softlockup oopsing. Apparently ibmtr.c:tok_interrupt() doesn't expect
to be called before tok_open(), but tok_interrupt() gets called anyway
when the card is ejected. So, set an already-existing flag which
causes tok_interrupt() to bail out early upon card ejection. Tested by
inserting and removing the PCMCIA card several times.
Signed-off-by: Paul Walmsley <paul@booyaka.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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By default, the skge driver now enables wake on magic and wake on PHY.
This is a bad default (bug), wake on PHY means machine will never shutdown
if connected to a switch.
Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org>a
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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PIO should be restored also for ATAPI devices during resume, fix it.
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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IDE PCI host drivers should register themselves with IDE core only when
IDE driver is built-in, otherwise (IDE driver is modular and thus IDE PCI
host drivers are also modular) the code has no effect and just complicates
the probing.
Fix it by adding new config option CONFIG_IDEPCI_PCIBUS (defined only when
needed and invisible to the user) and covering by #ifdef/#endif the code
in question. It turned out that "ide=reverse" was silently accepted but did
nothing in case when IDE driver was modular, this is fixed now.
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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* create_proc_ide_interfaces() tries to add /proc entries for every probed
and initialized IDE port, replace it by ide_proc_register_port() which does
it only for the given port (also rename destroy_proc_ide_interface() to
ide_proc_unregister_port() for consistency)
* convert {create,destroy}_proc_ide_interface[s]() users to use new functions
* pmac driver depended on proc_ide_create() to add /proc port entries, fix it
* au1xxx-ide, swarm and cs5520 drivers depended indirectly on ide-generic
driver (CONFIG_IDE_GENERIC=y) to add port /proc entries, fix them
* there is now no need to add /proc entries for IDE ports in proc_ide_create()
so don't do it
* proc_ide_create() needs now to be called before drivers are probed - fix it,
while at it make proc_ide_create() create /proc "ide" directory
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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Add "initializing" argument to ide_register_hw() and use it instead of ide.c
wide variable of the same name. Update all users of ide_register_hw()
accordingly.
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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Tejun's recent eighty_ninty_three() fix has inspired me to do more thorough
review of the cable detection code...
* print user-friendly warning about limiting the maximum transfer speed
to UDMA33 (and the reason behind it) when 80-wire cable is not detected,
also while at it cleanup eighty_ninty_three() a bit
* use eighty_ninty_three() in ide_ata66_check(), this actually fixes 3 bugs:
- bit 14 (word 93 validity check) == 1 && bit 13 (80-wire cable test) == 1
were used as 80-wire cable present test for CONFIG_IDEDMA_IVB=n case
(please see FIXME comment in eighty_ninty_three() for more details)
- CONFIG_IDEDMA_IVB=y/n cases were interchanged
- check for SATA devices was missing
* remove private cable warnings from pdc_202xx{old,new} drivers now that core
code provides this functionality (plus, in pdc202xx_new case the test could
give false warnings for ATAPI devices because pdc202xx_new driver doesn't
even support ATAPI DMA)
Cc: Tejun Heo <htejun@gmail.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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* move
__ide_add_setting()
ide_add_setting()
__ide_remove_setting()
auto_remove_settings()
ide_find_setting_by_name()
ide_read_setting()
ide_write_setting()
set_xfer_rate()
ide_add_generic_settings()
ide_register_subdriver()
ide_unregister_subdriver()
from ide.c to ide-proc.c
* set_{io_32bit,pio_mode,using_dma}() cannot be marked static now, fix it
* rename ide_[un]register_subdriver() to ide_proc_[un]register_driver(),
update device drivers to use new names
* add CONFIG_IDE_PROC_FS=n versions of ide_proc_[un]register_driver()
and ide_add_generic_settings()
* make ide_find_setting_by_name(), ide_{read,write}_setting()
and ide_{add,remove}_proc_entries() static
* cover IDE settings code in device drivers with CONFIG_IDE_PROC_FS #ifdef,
also while at it cover with CONFIG_IDE_PROC_FS #ifdef ide_driver_t.proc
* remove bogus comment from ide.h
* cover with CONFIG_IDE_PROC_FS #ifdef .proc and .settings in ide_drive_t
Besides saner code this patch results in the IDE core smaller by ~2 kB
(on x86-32) and IDE disk driver by ~1 kB (ditto) when CONFIG_IDE_PROC_FS=n.
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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* do write permission and min/max checks in ide_procset_t functions
* ide-disk.c: drive->id is always available so cleanup "multcount" setting
accordingly
* ide-disk.c: "address" setting was incorrectly defined as type TYPE_INTA,
fix it by using type TYPE_BYTE and updating ide_drive_t->adressing field,
the bug didn't trigger because this IDE setting uses custom ->set function
* ide.c: add set_ksettings() for handling HDIO_SET_KEEPSETTINGS ioctl
* ide.c: add set_unmaskirq() for handling HDIO_SET_UNMASKINTR ioctl
* handle ioctls directly in generic_ide_ioclt() and idedisk_ioctl()
instead of using IDE settings to deal with them
* remove no longer needed ide_find_setting_by_ioctl() and {read,write}_ioctl
fields from ide_settings_t, also remove now unused TYPE_INTA handling
v2:
* add missing EXPORT_SYMBOL_GPL(ide_setting_sem) needed now for ide-disk
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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All important information/features should be already available through
sysfs and ioctl interfaces.
Add CONFIG_IDE_PROC_FS (CONFIG_SCSI_PROC_FS rip-off) config option,
disabling it makes IDE driver ~5 kB smaller (on x86-32).
While at it add CONFIG_PROC_FS=n versions of proc_ide_{create,destroy}()
and remove no longer needed #ifdefs.
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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After reworking the code responsible for selecting the best DMA
transfer mode it is now possible to add generic ide_tune_dma() helper.
Convert some IDE PCI host drivers to use it (the ones left need more work).
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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Depends on the "ide: fix UDMA/MWDMA/SWDMA masks" patch.
* add ide_hwif_t.udma_filter hook for filtering UDMA mask
(use it in alim15x3, hpt366, siimage and serverworks drivers)
* add ide_max_dma_mode() for finding best DMA mode for the device
(loosely based on some older libata-core.c code)
* convert ide_dma_speed() users to use ide_max_dma_mode()
* make ide_rate_filter() take "ide_drive_t *drive" as an argument instead
of "u8 mode" and teach it to how to use UDMA mask to do filtering
* use ide_rate_filter() in hpt366 driver
* remove no longer needed ide_dma_speed() and *_ratemask()
* unexport eighty_ninty_three()
v2:
* rename ->filter_udma_mask to ->udma_filter
[ Suggested by Sergei Shtylyov <sshtylyov@ru.mvista.com>. ]
v3:
* updated for scc_pata driver (fixes XFER_UDMA_6 filtering for user-space
originated transfer mode change requests when 100MHz clock is used)
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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* use 0x00 instead of 0x80 to disable ->{ultra,mwdma,swdma}_mask
* add udma_mask field to ide_pci_device_t and use it to initialize
->ultra_mask in aec62xx, cmd64x, pdc202xx_{new,old} and piix drivers
* fix UDMA masks to match with chipset specific *_ratemask()
(alim15x3, hpt366, serverworks and siimage drivers need UDMA mask
filtering method - done in the next patch)
v2:
* piix: fix cable detection for 82801AA_1 and 82372FB_1
[ Noticed by Sergei Shtylyov <sshtylyov@ru.mvista.com>. ]
* cmd64x: use hwif->cds->udma_mask
[ Suggested by Sergei Shtylyov <sshtylyov@ru.mvista.com>. ]
* aec62xx: fix newly introduced bug - check DMA status not command register
[ Noticed by Sergei Shtylyov <sshtylyov@ru.mvista.com>. ]
v3:
* piix: use hwif->cds->udma_mask
[ Suggested by Sergei Shtylyov <sshtylyov@ru.mvista.com>. ]
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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Signed-off-by: Jesper Juhl <jesper.juhl@gmail.com>
Acked-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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use __set_current_state(TASK_*) instead of current->state = TASK_*, in fs/nfs
Signed-off-by: Milind Arun Choudhary <milindchoudhary@gmail.com>
Cc: Trond Myklebust <trond.myklebust@fys.uio.no>
Cc: "J. Bruce Fields" <bfields@fieldses.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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While the comment says:
* To prevent rpciod from hanging, this allocator never sleeps,
* returning NULL if the request cannot be serviced immediately.
The function does not actually check for NULL pointers being returned.
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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Make it more useful for debugging purposes.
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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The maximum size of an NFSv4 SETATTR compound reply should include the
GETATTR operation that we send.
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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Use a cleaner method to find the size of an rpc_buffer. This actually
works on x86-64!
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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The check for nfs_attribute_timeout(dir) in nfs_check_verifier is
redundant: nfs_lookup_revalidate() will already call nfs_revalidate_inode()
on the parent dir when necessary.
The only case where this is not done is the case of a negative dentry. Fix
this case by moving up the revalidation code.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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dentry verifiers are always set to the parent directory's
cache_change_attribute. There is no reason to be testing for anything other
than equality when we're trying to find out if the dentry has been checked
since the last time the directory was modified.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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Seems more than just deprecated, we can't build using SA_INTERUPT.
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Tony Luck <tony.luck@intel.com>
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Commit 6fe6900e1e5b6fa9e5c59aa5061f244fe3f467e2 introduced a nasty bug
in read_cache_page_async().
It added a "mark_page_accessed(page)" at the final return path in
read_cache_page_async(). But in error cases, 'page' holds the error
code, and you can't mark it accessed.
[ and Glauber de Oliveira Costa points out that we can use a return
instead of adding more goto's ]
Signed-off-by: David Howells <dhowells@redhat.com>
Acked-by: Nick Piggin <npiggin@suse.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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When implementing things as macros, make sure we use typecasts and
parentheses where needed. The macros as defined were vulnerable to
surreptitious promotion causing problems.
Avoid macros where practical; e.g. wrmsr() can be an inline instead.
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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All users to the two-part rdtsc() macro have already switched to using
rdtscl() or rdtscll(). Remove the now-obsolete macro.
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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The definition of USER686 is supposed to be a mask of feature bits,
not an OR of feature numbers! It happened to work anyway on the only
processor affected, simply by pure coincidence. Fix.
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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md currently uses ->media_changed to make sure rescan_partitions
is call on md array after they are assembled.
However that doesn't happen until the array is opened, which is later
than some people would like.
So use blkdev_ioctl to do the rescan immediately that the
array has been assembled.
This means we can remove all the ->change infrastructure as it was only used
to trigger a partition rescan.
Signed-off-by: Neil Brown <neilb@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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"reshape_position" records how much progress has been made on a "reshape"
(adding drives, changing layout or chunksize).
When it is set, the number of drives, layout and chunksize can have
two possible values, an old an a new.
So allow these different values to be visible, and allow both old and new to
be set: Set the old ones first, then the reshape_position, then the new
values.
Signed-off-by: Neil Brown <neilb@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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SLUB doesn't like slashes as it wants to use the cache name as the name of a
directory (or symlink) in sysfs.
Signed-off-by: Neil Brown <neilb@suse.de>
Acked-by: Christoph Lameter <clameter@sgi.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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If CONFIG_NET is not selected, csum_partial is not exported, so md.ko cannot
use it. We shouldn't really be using csum_partial anyway as it is an
internal-to-networking interface.
So replace it with C code to do the same thing. Speed is not crucial here, so
something simple and correct is best.
Signed-off-by: Neil Brown <neilb@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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We need to check for internal-consistency of superblock in load_super.
validate_super is for inter-device consistency.
With the test in the wrong place, a badly created array will confuse md rather
an produce sensible errors.
Signed-off-by: Neil Brown <neilb@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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We can save some lines of code by using seq_release_private().
Signed-off-by: Martin Peschke <mp3@de.ibm.com>
Acked-by: Neil Brown <neilb@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Use ARRAY_SIZE macro already defined in kernel.h
Signed-off-by: Ahmed S. Darwish <darwish.07@gmail.com>
Acked-by: Neil Brown <neilb@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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My geforce isn't supported by nvidia frame buffer.
/sbin/lspci
01:00.0 VGA compatible controller: nVidia Corporation Unknown device 02e2 (rev a2)
/usr/sbin/fbset -i
mode "1024x768-60"
# D: 65.003 MHz, H: 48.365 kHz, V: 60.006 Hz
geometry 1024 768 1024 32767 8
timings 15384 160 24 29 3 136 6
accel true
rgba 8/0,8/0,8/0,0/0
endmode
Frame buffer device information:
Name : NV2e
Address : 0xe0000000
Size : 134217728
Type : PACKED PIXELS
Visual : PSEUDOCOLOR
XPanStep : 8
YPanStep : 1
YWrapStep : 0
LineLength : 1024
MMIO Address: 0xf6000000
MMIO Size : 16777216
Accelerator : Unknown (46)
Here is a patch for this problem.
Signed-off-by: Michal Piotrowski <michal.k.k.piotrowski@gmail.com>
Cc: "Antonino A. Daplas" <adaplas@pol.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Provide framebuffer page protection flags and definitions of
fb_readl/fb_writel for AVR32.
Signed-off-by: Haavard Skinnemoen <hskinnemoen@atmel.com>
Cc: "Antonino A. Daplas" <adaplas@pol.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Move fb_get_caps() method to svgalib.c as svga_get_caps() so it can be used by
s3fb, arkfb and vt8623fb.
Signed-off-by: Antonino Daplas <adaplas@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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This patch adds fbdev driver for graphics cards with ARK Logic 2000PV graphics
chip with ICS 5342 ramdac.
[adaplas@gmail.com: build fixes]
Signed-off-by: Ondrej Zajicek <santiago@crfreenet.org>
Signed-off-by: Antonino Daplas <adaplas@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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