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Remove some code which has been made obsolete and hasn't worked properly
before anyway. Part of the infrastructure may be reintroduced in a
follow up patch to implement a working command aborting facility.
Signed-off-by: Elias Oltmanns <eo@nebensachen.de>
Cc: "Alan Cox" <alan@lxorguk.ukuu.org.uk>
Cc: "Randy Dunlap" <randy.dunlap@oracle.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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Currently, the code path executing an HDIO_DRIVE_RESET ioctl is broken
in various ways. Most importantly, it is treated as an out of band
request in an illegal way which may very likely lead to system lock ups.
Use the drive's request queue to avoid this problem (and fix a locking
issue for free along the way).
Signed-off-by: Elias Oltmanns <eo@nebensachen.de>
Cc: "Alan Cox" <alan@lxorguk.ukuu.org.uk>
Cc: "Randy Dunlap" <randy.dunlap@oracle.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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Change ->port_init_devs method to take 'ide_drive_t *' as an argument
instead of 'ide_hwif_t *' and rename it to ->init_dev.
There should be no functional changes caused by this patch.
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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* Add 'parent' field to hw_regs_t for optional parent device pointer (needed
by macio PMAC IDE controllers) and set hwif->dev in ide_init_port_hw().
* Update au1xxx-ide.c, sgiioc4.c, pmac.c and setup-pci.c accordingly.
v2:
* Update scc_pata.c.
There should be no functional changes caused by this patch.
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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Move ide_hwifs[] from ide.c to ide-probe.c and make it static.
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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Move PIO blacklist to ide-pio-blacklist.c.
While at it:
- fix comment
- fix whitespace damage
There should be no functional changes caused by this patch.
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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All ide_pio_cycle_time() users already select CONFIG_IDE_TIMINGS
so move the function from ide-lib.c to ide-timings.c.
While at it:
- convert ide_pio_cycle_time() to use ide_timing_find_mode()
- cleanup ide_pio_cycle_time() a bit
There should be no functional changes caused by this patch.
Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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* Don't include ide-timing.h in cs5535 and sis5513 host drivers
(they don't need it currently).
* Convert ide-timing.h to ide-timings.c library and add CONFIG_IDE_TIMINGS
config option to be selected by host drivers using the library.
While at it:
- fix ide_timing_find_mode() placement
v2:
* Add missing EXPORT_SYMBOLs. (Stephen Rothwell <sfr@canb.auug.org.au>)
There should be no functional changes caused by this patch.
Cc: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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Move struct ide_timing and IDE_TIMING_* defines to <linux/ide.h>
from drivers/ide/ide-timing.h.
While at it:
- use u8/u16 instead of short for struct ide_timing fields
- use enum for IDE_TIMING_*
There should be no functional changes caused by this patch.
Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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* ide-tape.c: add 'drive' argument to idetape_update_buffers().
* Add generic ide_pc_intr() helper to ide-atapi.c and then
convert ide-{floppy,tape,scsi} device drivers to use it.
* ide-tape.c: remove no longer needed DBG_PC_INTR.
There should be no functional changes caused by this patch
(unless the debugging is explicitely compiled in).
Cc: Borislav Petkov <petkovbb@gmail.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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Add generic ide_issue_pc() helper to ide-atapi.c and then
convert ide-{floppy,tape,scsi} device drivers to use it.
There should be no functional changes caused by this patch.
Cc: Borislav Petkov <petkovbb@gmail.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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Add PC_FLAG_DRQ_INTERRUPT pc flag, set it in ide*_do_request()
and check for it (instead of checking for IDE*_FLAG_DRQ_INTERRUPT)
in ide*_issue_pc(). This is a preparation for adding generic
ide_issue_pc() helper.
There should be no functional changes caused by this patch.
Cc: Borislav Petkov <petkovbb@gmail.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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* Add ide-atapi.c file for generic ATAPI support together with
CONFIG_IDE_ATAPI config option.
* Add generic ide_transfer_pc() helper to ide-atapi.c and then
convert ide-{floppy,tape,scsi} device drivers to use it.
There should be no functional changes caused by this patch.
Cc: Borislav Petkov <petkovbb@gmail.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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Add PC_FLAG_ZIP_DRIVE pc flag, set it in idefloppy_do_request()
and check for it (instead of checking for IDEFLOPPY_FLAG_ZIP_DRIVE)
in idefloppy_transfer_pc(). This is a preparation for adding
generic ide_transfer_pc() helper.
There should be no functional changes caused by this patch.
Cc: Borislav Petkov <petkovbb@gmail.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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* Use PC_FLAG_DMA_OK flag instead of PC_FLAG_DMA_RECOMMENDED one.
* Remove no longer used PC_FLAG_DMA_RECOMMENDED flag.
There should be no functional changes caused by this patch.
Cc: Borislav Petkov <petkovbb@gmail.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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Merge pc->idefloppy_callback and pc->idetape_callback into pc->callback.
There should be no functional changes caused by this patch.
Cc: Borislav Petkov <petkovbb@gmail.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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There should be no functional changes caused by this patch.
Cc: Borislav Petkov <petkovbb@gmail.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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ide_do_drive_cmd is called only with ide_preempt action argument. So
we can remove the action argument in ide_do_drive_cmd and ide_action_t
typedef.
This patch also includes two minor cleanups: 1) ide_do_drive_cmd
always succeeds so we don't need the return value; 2) the callers use
blk_rq_init before ide_do_drive_cmd so there is no need to initialize
rq->errors.
Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Cc: Borislav Petkov <petkovbb@gmail.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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Remove drive->ctl (it is always equal to 0x08 after init time).
While at it:
* Use ATA_DEVCTL_OBS define.
There should be no functional changes caused by this patch.
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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There should be no functional changes caused by this patch.
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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Since scc_pata host driver no longer uses IDE PCI layer / ide_dma_setup()
and all other ->mmio users set also IDE_HFLAG_MMIO host flag we can safely
remove ->mmio flag.
There should be no functional changes caused by this patch.
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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Move IRQ unmasking out from ->tf_load method to its users.
There should be no functional changes caused by this patch
(SELECT_MASK() is NOP except for hpt366, icside and sgiioc4).
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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Always call SELECT_MASK(..., 0) in ide_tf_load() (needs to be done
to match ide_set_irq(..., 1)) and then remove IDE_TFLAG_NO_SELECT_MASK
taskfile flag.
This change should only affect hpt366 and icside host drivers since
->maskproc(..., 0) for sgiioc4 is equivalent to ide_set_irq(..., 1).
Cc: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Cc: Russell King <rmk@arm.linux.org.uk>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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* Remove obsoleted "ide=" kernel parameters.
* Remove no longer needed:
- ide_setup()
- parse_options()
- __setup("", ...)
- module_param(options, ...)
* Use module_{init,exit}() for MODULE=y case and remove MODULE ifdef.
* Make ide_*acpi* and ide_doubler variables static.
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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* Remove obsoleted "idebus=" kernel parameter.
* Remove no longer needed ide_system_bus_speed() and system_bus_clock()
(together with idebus_parameter and system_bus_speed variables).
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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ide_init_drive_cmd just calls blk_rq_init. This converts the users of
ide_init_drive_cmd to use blk_rq_init directly and removes
ide_init_drive_cmd.
Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Cc: Borislav Petkov <petkovbb@gmail.com>
Cc: Jens Axboe <jens.axboe@oracle.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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Add __ide_default_irq() inline helper and use it instead of
ide_default_irq() in ide-probe.c and ns87415.c (all host drivers
except IDE PCI ones always setup hwif->irq so it is enough to
check only for I/O bases 0x1f0 and 0x170).
This fixes post-2.6.25 regression since ide_default_irq()
define could shadow ide_default_irq() inline.
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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I forgot to remove the ide_etrax100 chipset type when removing the
ETRAX_IDE driver.
Reported-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Signed-off-by: Adrian Bunk <bunk@kernel.org>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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Disable Virtual DMA support for now (it causes system hangs).
Thanks to TAKADA Yoshihito for the help with debugging the problem.
Reported-by: TAKADA Yoshihito <takada@mbf.nifty.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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SELECT_MASK() can now become static.
[bart: remove space between function name and open parenthesis]
Signed-off-by: Adrian Bunk <bunk@kernel.org>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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* Use 'hwif->dma_base + {4,8}' instead of hwif->dma_prdtable in
{ide,scc}_dma_setup().
* Remove no longer needed ->dma_prdtable field from ide_hwif_t.
While at it:
* Use ATA_DMA_TABLE_OFS define.
Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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* Use 'hwif->dma_base + {1,3}' instead of hwif->dma_vendor{1,3} in
pdc202xx_new host driver.
* Remove no longer needed ->dma_vendor{1,3} fields from ide_hwif_t.
Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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* Add ide_pad_transfer() helper (which uses ->{in,out}put_data methods
internally so the transfer is also padded to drive+host requirements)
and use it instead of ide_atapi_{write_zeros,discard_data}().
* Remove no longer needed ide_atapi_{write_zeros,discard_data}().
Cc: Borislav Petkov <petkovbb@gmail.com>
Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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* Remove no longer used ->INW and ->OUTW methods.
While at it:
* scc_pata.c: scc_ide_{out,in}w() is called only in scc_tf_{load,read}()
so inline it there.
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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* Add ->tf_load and ->tf_read methods to ide_hwif_t and set the default
methods in default_hwif_transport().
* Use ->tf_{load,read} instead o calling ide_tf_{load,read}() directly.
* Make ide_tf_{load,read}() static.
There should be no functional changes caused by this patch.
Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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Factor out debugging code from ide_tf_load() to ide_tf_dump() helper
and update ide_tf_load() users accordingly.
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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Add ide_execute_pkt_cmd() helper for executing PACKET command,
then convert ATAPI device drivers to use it.
As a nice side-effect this fixes ide-{floppy,tape,scsi} w.r.t.
ide_lock taking (ide-cd was OK).
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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* Use ins{w,l}()/outs{w,l}() and __ide_mm_ins{w,l}()/__ide_mm_outs{w,l}()
directly in ata_{in,out}put_data() (by using IDE_HFLAG_MMIO host flag to
decide which I/O ops are required).
* Remove no longer needed ->INS{W,L} and ->OUTS{W,L} methods (ide-h8300,
au1xxx-ide and scc_pata implement their own ->{in,out}put_data methods).
There should be no functional changes caused by this patch.
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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* Add IDE_HFLAG_MMIO host flag and set it for hosts which use
default_hwif_mmiops().
v2:
* Fix kernel panic in pmac host driver (',' should be '|').
Thanks to Kamalesh for reporting it + testing the fix
and to Andrew for hinting me about the source of the issue.
Cc: Kamalesh Babulal <kamalesh@linux.vnet.ibm.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Stephen Rothwell <sfr@canb.auug.org.au>
Cc: Andy Whitcroft <apw@shadowen.org>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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* Merge ->atapi_{in,out}put_bytes and ->ata_{in,out}put_data methods
into new ->{in,out}put_data methods which take number of bytes to
transfer as an argument and always do padding.
While at it:
* Use 'hwif' or 'drive->hwif' instead of 'HWIF(drive)'.
There should be no functional changes caused by this patch (all users
of ->ata_{in,out}put_data methods were using multiply-of-4 word counts).
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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* Add ->atapi_{in,out}put_bytes and ->ata_{in,out}put_data methods to
falconide and q40ide host drivers (->ata_* methods are implemented on
top of ->atapi_* methods so they also do byte-swapping now).
* Cleanup atapi_{in,out}put_bytes().
v2:
* Add 'struct request *rq' argument to ->ata_{in,out}put_data methods
and don't byte-swap disk fs requests (we shouldn't un-swap fs requests
because fs itself is stored byte-swapped on the disk) - this is how
things were done before the patch (ideally device mapper should be
used instead but it would break existing setups and would have some
performance impact).
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Michael Schmitz <schmitz@debian.org>
Cc: Roman Zippel <zippel@linux-m68k.org>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: Richard Zidlicky <rz@linux-m68k.org>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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It creates files in proc with obsoleted ->get_info interface.
Signed-off-by: Alexey Dobriyan <adobriyan@openvz.org>
Cc: Andrew Morton <akpm@osdl.org>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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* Add struct ide_io_ports and use it instead of `unsigned long io_ports[]`
in ide_hwif_t.
* Rename io_ports[] in hw_regs_t to io_ports_array[].
* Use un-named union for 'unsigned long io_ports_array[]' and 'struct
ide_io_ports io_ports' in hw_regs_t.
* Remove IDE_*_OFFSET defines.
v2:
* scc_pata.c build fix from Stephen Rothwell.
v3:
* Fix ctl_adrr typo in Sparc-specific part of ns87415.c.
(Noticed by Andrew Morton)
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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* Make ide_unregister() take 'ide_hwif_t *hwif' instead of 'unsigned int
index' (hwif->index) as an argument and update all users accordingly.
While at it:
* Remove unnecessary checks for hwif != NULL from ide-pnp.c::idepnp_remove()
and delkin_cb.c::delkin_cb_remove().
* Remove needless hwif->chipset assignment from scc_pata.c::scc_remove().
v2:
* Fixup ide_unregister() documentation.
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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* Rename ide_noacpi{tfs,onboot} to ide_acpi{gtf,onboot} (+ reverse logic).
* Move ide_*acpi* variables to ide-acpi.c and remove unnecessary initializers.
* Add "noacpi" / "acpigtf" / "acpionboot" parameters.
* Obsolete "ide=noacpi" / "ide=acpigtf" / "ide=acpionboot" kernel parameters.
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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* Remove obsoleted "hdx=autotune" kernel parameter
(we always auto-tune PIO if possible nowadays).
* Remove no longer needed ide_drive_t.autotune flag.
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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* Don't set IDE_HFLAG_NO_AUTOTUNE host flag in sgiioc4 and icside
host drivers - there is no need for it as they don't implement
->set_pio_mode method.
* Remove no longer needed IDE_HFLAG_NO_AUTOTUNE host flag.
There should be no functional changes caused by this patch.
Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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* Add "vlb_clock=" parameter for specifying VLB clock frequency (in MHz).
* Add "pci_clock=" parameter for specifying PCI bus clock frequency (in MHz).
While at it:
* qd65xx.c: rename {active,recovery}_cycle variables to {act,rec}_cyc.
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>
Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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