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Make ->pc_callback method return request status and then move
the request completion from ->pc_callback to ide_pc_intr().
There should be no functional changes caused by this patch.
Acked-by: Borislav Petkov <petkovbb@gmail.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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* Handle completion of private driver requests explicitly
for ide_floppy and ide_tape media in ide_kill_rq().
* Remove no longer needed ->end_request method.
There should be no functional changes caused by this patch.
Acked-by: Borislav Petkov <petkovbb@gmail.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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* ide*_end_request() is only called with uptodate == 0 or uptodate == 1
so cleanup it accordingly.
* Inline ide*_end_request() content at call sites so the only user left
is ->end_request method.
* ->end_request is now used only for private driver requests so remove
handling of other requests from ide*_end_request().
There should be no functional changes caused by this patch.
Acked-by: Borislav Petkov <petkovbb@gmail.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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* Move IDE{FLOPPY,TAPE}_ERROR_* defines to <linux/ide.h> and rename them
to IDE_DRV_ERROR_*.
* Handle ->end_request special cases for floppy/tape media in ide_kill_rq().
* Call ->end_request only for private device driver requests.
There should be no functional changes caused by this patch.
Acked-by: Borislav Petkov <petkovbb@gmail.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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Move ->failed_pc from struct ide_{disk,tape}_obj to ide_drive_t.
There should be no functional changes caused by this patch.
Acked-by: Borislav Petkov <petkovbb@gmail.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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tape->lock is not needed (->queue_lock protects queue).
Acked-by: Borislav Petkov <petkovbb@gmail.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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* Move request type specific code from ide_end_drive_cmd() to callers.
* Remove stale ide_end_drive_cmd() documentation and drop no longer
used 'stat' argument. Then rename the function to ide_complete_rq().
v2:
* Fix handling of blk_pm_request() requests in task_no_data_intr().
v3:
* Some ide_no_data_taskfile() users (HPA code and HDIO_DRIVE_* ioctls
handlers) access original command later so we need to update it in
ide_complete_task().
There should be no functional changes caused by this patch.
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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Fix this sparse warnings:
drivers/ide/ide-disk_proc.c:130:11: warning: Using plain integer as NULL pointer
drivers/ide/ide-floppy_proc.c:32:11: warning: Using plain integer as NULL pointer
drivers/ide/ide-proc.c:234:11: warning: Using plain integer as NULL pointer
drivers/ide/ide-tape.c:2141:11: warning: Using plain integer as NULL pointer
Signed-off-by: Hannes Eder <hannes@hanneseder.net>
Cc: trivial@kernel.org
Cc: kernel-janitors@vger.kernel.org
Cc: Al Viro <viro@ZenIV.linux.org.uk>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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During host driver module removal del_gendisk() results in a final
put on drive->gendev and freeing the drive by drive_release_dev().
Convert device drivers from using struct kref to use struct device
so device driver's object holds reference on ->gendev and prevents
drive from prematurely going away.
Also fix ->remove methods to not erroneously drop reference on a
host driver by using only put_device() instead of ide*_put().
Reported-by: Stanislaw Gruszka <stf_xl@wp.pl>
Tested-by: Stanislaw Gruszka <stf_xl@wp.pl>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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* Remove (now superfluous) ->error method from struct ide_driver.
* Unexport __ide_error() and make it static.
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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While at it:
- s/struct ide_driver_s/struct ide_driver/
- use to_ide_driver() macro in ide-proc.c
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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* Merge ide_hwgroup_t with ide_hwif_t.
* Cleanup init_irq() accordingly, then remove no longer needed
ide_remove_port_from_hwgroup() and ide_ports[].
* Remove now unused HWGROUP() macro.
While at it:
* ide_dump_ata_error() fixups
v2:
* Fix ->quirk_list check in do_ide_request()
(s/hwif->cur_dev/prev_port->cur_dev).
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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There should be no functionality change resulting from this patch.
Signed-off-by: Borislav Petkov <petkovbb@gmail.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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- cdrom_timer_expiry -> ide_cd_expiry
- remove expiry-arg to ide_issue_pc as it is redundant now
- ide_debug_log -> debug_log
Signed-off-by: Borislav Petkov <petkovbb@gmail.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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To keep the size of changesets sane we split the switch by drivers;
to keep the damn thing bisectable we do the following:
1) rename the affected methods, add ones with correct
prototypes, make (few) callers handle both. That's this changeset.
2) for each driver convert to new methods. *ALL* drivers
are converted in this series.
3) kill the old (renamed) methods.
Note that it _is_ a flagday; all in-tree drivers are converted and by the
end of this series no trace of old methods remain. The only reason why
we do that this way is to keep the damn thing bisectable and allow per-driver
debugging if anything goes wrong.
New methods:
open(bdev, mode)
release(disk, mode)
ioctl(bdev, mode, cmd, arg) /* Called without BKL */
compat_ioctl(bdev, mode, cmd, arg)
locked_ioctl(bdev, mode, cmd, arg) /* Called with BKL, legacy */
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Turn ide_driver_t's 'proc' field into ->proc_entries method
(and also 'settings' field into ->proc_devsets method). Then
update all device drivers accordingly.
There should be no functional changes caused by this patch.
Acked-by: Borislav Petkov <petkovbb@gmail.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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Just use IDE_DFLAG_DOORLOCKING instead.
There should be no functional changes caused by this patch.
Acked-by: Borislav Petkov <petkovbb@gmail.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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Now that device_create() has been audited, rename things back to the
original call to be sane.
Cc: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Set IDE_AFLAG_DRQ_INTERRUPT in do_identify() instead of ATAPI
device drivers *_setup() methods.
While at it:
- use ata_id_cdb_intr()
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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Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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Add 'unsigned long dev_flags' to ide_drive_t and convert bitfields
to IDE_DFLAG_* flags.
While at it:
- IDE_DFLAG_ADDRESSING -> IDE_DFLAG_LBA48
- fixup some comments
- remove needless g->flags zeroing from ide*_probe()
There should be no functional changes caused by this patch.
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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Introduce to_ide_drv() and ide_drv_g() macros and replace the respective
definitions of similar ones in each driver.
There should be no functionality change resulting from this patch.
Signed-off-by: Borislav Petkov <petkovbb@gmail.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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* Move ->ticks field from struct ide_floppy_obj to ide_drive_t.
* Move idefloppy_transfer_pc() to ide-atapi.c and make
ide_transfer_pc() use it.
* Always use ide_transfer_pc as a handler in ide_issue_pc().
* Remove no longer used idefloppy_start_pc_transfer(),
ide*_transfer_pc() and 'handler' argument from ide_issue_pc().
* Make ide_transfer_pc() static.
While at it:
* idefloppy_transfer_pc() -> ide_delayed_transfer_pc()
* IDEFLOPPY_TICKS_DELAY -> IDEFLOPPY_PC_DELAY
* ->ticks -> ->pc_delay
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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* Always use ide_pc_intr as a handler in ide_pc_intr().
* Remove no longer used ide*_pc_intr() and 'handler'
argument from ide_{transfer_pc,pc_intr}().
* Make ide_pc_intr() static.
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_{update,io}_buffers methods to ide_drive_t and use
them instead of {update,io}_buffers ide_pc_intr() arguments.
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_create_request_sense_cmd() and ide_retry_pc() helpers
and convert ide-{atapi,floppy,tape}.c to use them.
* Remove no longer used ide*_create_request_sense_cmd(),
ide*_retry_pc() and 'retry_pc' argument from ide_pc_intr().
* Make ide_queue_pc_head() static.
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 'struct ide_atapi_pc request_sense_pc' and 'request request_sense_rq' to
ide_drive_t and use them instead of fields in struct ide_{floppy,tape}_obj.
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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* Move idescsi_expiry() to ide-atapi.c.
* Move get_timeout() to <linux/ide.h>.
* Drop 'timeout' and 'expiry' arguments from ide_pc_intr().
While at it:
* idescsi_expiry() -> ide_scsi_expiry()
* get_timeout() -> ide_scsi_get_timeout()
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 pointer to the current packet command (struct ide_atapi_pc *pc)
to ide_drive_t and use it instead of the pointer in struct ide_*_obj.
* Use drive->pc in ide_{issue,transfer}_pc() and ide_pc_intr()
instead of 'pc' argument.
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 'int dsc' argument to ->pc_callback method.
* Call ide_tape_handle_dsc() internally in ide_tape_callback()
if dsc argument is set and update ide_pc_intr() accordingly.
There should be no functional changes caused by this patch.
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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Use a special request for serialisation purposes and get rid of the
awkward ide_spin_wait_hwgroup(). This also involves converting the
ide_devset structure so it can be shared by the /proc and the ioctl code.
Signed-off-by: Elias Oltmanns <eo@nebensachen.de>
[bart: use rq->cmd[] directly]
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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While at it:
* IDE{FLOPPY,TAPE}_WAIT_CMD -> WAIT_{FLOPPY,TAPE}_CMD
* Use enum for WAIT_* defines.
There should be no functional changes caused by this patch.
Acked-by: Borislav Petkov <petkovbb@gmail.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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* Add ide_do_test_unit_ready() helper and convert ide-{floppy,tape}.c
to use it.
* Remove no longer used idetape_create_test_unit_ready_cmd().
There should be no functional changes caused by this patch.
Acked-by: 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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* Add ide_do_start_stop() helper and convert ide-{floppy,tape}.c
to use it.
* Remove no longer used idefloppy_create_start_stop_cmd()
and idetape_create_load_unload_cmd().
There should be no functional changes caused by this patch.
Acked-by: Borislav Petkov <petkovbb@gmail.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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* Set IDE_AFLAG_NO_DOORLOCK in idetape_get_mode_sense_result(), check it
in ide_tape_set_media_lock() and cleanup idetape_create_prevent_cmd().
* Set IDE_AFLAG_NO_DOORLOCK in ide_floppy_create_read_capacity_cmd() and
check it instead of IDE_AFLAG_CLIK_DRIVE in ide_floppy_set_media_lock().
* Add ide_set_media_lock() helper and convert ide-{floppy,tape}.c to use it.
* Remove no longer used ide*_create_prevent_cmd()/ide*_set_media_lock().
* Update comment in <linux/ide.h> accordingly.
Acked-by: Borislav Petkov <petkovbb@gmail.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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* Add ide_queue_pc_tail() and convert ide-{floppy,tape}.c to use it
instead of ide*_queue_pc_tail().
* Remove no longer used ide*_queue_pc_tail().
There should be no functional changes caused by this patch.
Acked-by: 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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* Move REQ_IDETAPE_* enums to <linux/ide.h>.
* Add ide_queue_pc_head() and convert ide-{floppy,tape}.c to use it
instead of ide*_queue_pc_head().
* Remove no longer used ide*_queue_pc_head().
There should be no functional changes caused by this patch.
Acked-by: 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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* Add IDE_PC_BUFFER_SIZE define.
* Add ide_init_pc() and convert ide-{floppy,tape}.c to use it
instead of ide*_init_pc().
* Remove no longer used IDE*_PC_BUFFER_SIZE and ide*_init_pc().
There should be no functional changes caused by this patch.
Acked-by: 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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Add ide_tape_set_media_lock() helper and convert idetape_mtioctop(),
idetape_chrdev_open() and idetape_chrdev_release() to use it.
There should be no functional changes caused by this patch (it is
OK to modify ->door_locked if idetape_create_prevent_cmd() fails).
Acked-by: Borislav Petkov <petkovbb@gmail.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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* Make ->io_buffers method return number of bytes transferred.
* Use ide_end_request() instead of idefloppy_end_request()
in ide_floppy_io_buffers() and then move the call out to
ide_pc_intr().
* Add ide_io_buffers() helper and convert ide-{floppy,scsi}.c
to use it instead of ide*_io_buffers().
There should be no functional changes caused by this patch.
Acked-by: Borislav Petkov <petkovbb@gmail.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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* Add 'struct ide_atapi_pc queued_pc' to struct ide_{floppy,tape}_obj
and switch ide*_do_request() to use it (there can be only one active
request for a given device).
* Add 'struct ide_atapi_pc request_sense_pc' to struct ide_*_obj
and switch ide*_retry_pc() to use it.
* Remove needless {floppy,tape}->pc assignment from ide*_setup().
* Remove no longer needed ide*_next_pc_storage(), pc_stack[],
rq_stack_index, IDE*_PC_STACK and DBG_PC_STACK.
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 'struct request request_sense_rq' to struct ide_{floppy,tape}_obj
and switch ide*_retry_pc() to use it (there can be only one REQUEST SENSE
request active for a given device).
* Remove no longer needed ide*_next_rq_storage(), rq_stack[]
and rq_stack_index.
* DBG_PCRQ_STACK -> DBG_PC_STACK
* Update comments for IDE*_PC_STACK and idetape_queue_pc_{head,tail}().
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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idetape_init_rq() is only used in idetape_queue_pc_head()
so inline it there.
Cc: Borislav Petkov <petkovbb@gmail.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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* Add ide_check_atapi_device() to ide-atapi.c and convert
ide-{floppy,tape}.c to use it instead of ide*_identify_device().
While at it:
* Add DRV_NAME defines to ide-{floppy,tape}.c.
Cc: Borislav Petkov <petkovbb@gmail.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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* Use drive->media and drive->scsi to check if ->dsc_overlap
can be set by HDIO_SET_NICE ioctl in generic_ide_ioctl().
* Remove unused ->supports_dsc_overlap field from ide_driver_t.
There should be no functional changes caused by this patch.
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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* Add struct ide_devset, S_* flags, *DEVSET() & ide*_devset_*() macros.
* Add 'const struct ide_devset **settings' to ide_driver_t.
* Use 'const struct ide_devset **settings' in ide_drive_t instead of
'struct ide_settings_s *settings'. Then convert core code and device
drivers to use struct ide_devset and co.:
- device settings are no longer allocated dynamically for each device
but instead there is an unique struct ide_devset instance per setting
- device driver keeps the pointer to the table of pointers to its
settings in ide_driver_t.settings
- generic settings are kept in ide_generic_setting[]
- ide_proc_[un]register_driver(), ide_find_setting_by_name(),
ide_{read,write}_setting() and proc_ide_{read,write}_settings()
are updated accordingly
- ide*_add_settings() are removed
* Remove no longer used __ide_add_setting(), ide_add_setting(),
__ide_remove_setting() and auto_remove_settings().
* Remove no longer used TYPE_*, SETTING_*, ide_procset_t
and ide_settings_t.
* ->keep_settings, ->using_dma, ->unmask, ->noflush, ->dsc_overlap,
->nice1, ->addressing, ->wcache and ->nowerr ide_drive_t fields
can now be bitfield flags.
While at it:
* Rename ide_find_setting_by_name() to ide_find_setting().
* Rename write_wcache() to set_wcache().
There should be no functional changes caused by this patch.
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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Call ide_proc_register_driver() in ide*_setup() (just before
ide*_add_settings() call) instead of in ->probe method.
Despite being basically a preparation for /proc/ide/hd*/settings
rework this is a nice cleanup in itself.
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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Remove needless drive->present checks from ->probe methods
(device model takes care of that).
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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