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Move ide_destroy_dmatable() call out from ->dma_end method to
{ide_pc,cdrom_newpc,ide_dma}_intr(), ide_dma_timeout_retry()
and sgiioc4_resetproc().
This causes minor/safe behavior changes w.r.t.:
* cmd64x.c::cmd64{8,x}_dma_end()
* cs5536.c::cs5536_dma_end()
* icside.c::icside_dma_end()
* it821x.c::it821x_dma_end()
* scc_pata.c::__scc_dma_end()
* sl82c105.c::sl82c105_dma_end()
* tx4939ide.c::tx4939ide_dma_end()
v2:
* Fix build for CONFIG_BLK_DEV_IDEDMA=n (reported by Randy Dunlap).
Cc: Randy Dunlap <randy.dunlap@oracle.com>
Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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Apparently¹, some ATAPI devices want to see the packet command first
before enabling DMA otherwise they simply hang indefinitely. Reorder the
two steps and start DMA only after having issued the command first.
[1] http://marc.info/?l=linux-kernel&m=123835520317235&w=2
Signed-off-by: Borislav Petkov <petkovbb@gmail.com>
Reported-by: Michael Roth <mroth@nessie.de>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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On m68k:
| drivers/ide/ide-atapi.c: In function 'ide_io_buffers':
| drivers/ide/ide-atapi.c:87: error: implicit declaration of function 'sg_page'
| drivers/ide/ide-atapi.c:87: warning: passing argument 1 of 'PageHighMem' makes pointer from integer without a cast
| drivers/ide/ide-atapi.c:91: warning: passing argument 1 of 'kmap_atomic' makes pointer from integer without a cast
| drivers/ide/ide-atapi.c:96: error: implicit declaration of function 'sg_virt'
| drivers/ide/ide-atapi.c:96: warning: assignment makes pointer from integer without a cast
| drivers/ide/ide-atapi.c:107: error: implicit declaration of function 'sg_next'
| drivers/ide/ide-atapi.c:107: warning: assignment makes pointer from integer without a cast
[bart: Dmitri Vorobiev submitted similar patch fixing MIPS]
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Dmitri Vorobiev <dmitri.vorobiev@movial.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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* Pass command structure to ide_execute_command() and skip
__ide_set_handler() for ATAPI protocols on non-DRQ devices.
* Convert ide_issue_pc() to always use ide_execute_command()
and remove no longer needed ide_execute_pkt_cmd().
v2:
* Fix for non-DRQ devices (based on report from Borislav).
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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* Rename dma_timer_expiry() to ide_dma_sff_timer_expiry() and export it.
* Add ->dma_timer_expiry method and use it to set hwif->expiry for
ATA_PROT_DMA protocol in do_rw_taskfile().
* Initialize ->dma_timer_expiry to ide_dma_sff_timer_expiry() for SFF hosts.
* Move setting hwif->expiry from ide_execute_command() to its users and drop
'expiry' argument.
* Use ide_execute_command() instead of ->dma_exec_cmd in do_rw_taskfile().
* Remove ->dma_exec_cmd method and its implementations.
* Unexport ide_execute_command() and ide_dma_intr().
v2:
* Fix CONFIG_BLK_DEV_IDEDMA=n build (noticed by Randy Dunlap).
* Fix *dma_expiry naming (suggested by Sergei Shtylyov).
There should be no functional changes caused by this patch.
Cc: Randy Dunlap <randy.dunlap@oracle.com>
Cc: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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* Set hwif->expiry prior to calling [__]ide_set_handler()
and drop 'expiry' argument.
* Set hwif->expiry to NULL in ide_{timer_expiry,intr}()
and remove 'hwif->expiry = NULL' assignments.
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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* Pass command to ide_issue_pc() and update ->do_request methods
in ide-{cd,floppy,tape}.c accordingly.
* Convert ide_pktcmd_tf_load() to ide_init_packet_cmd() which
just initializes command structure and use do_rw_taskfile()
to load ATA_CMD_PACKET commands.
While at it:
* Rename ide{floppy,tape}_issue_pc() to ide_{floppy,tape}_issue_pc().
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_TFLAG_WRITE flag and ->rq also for ATA_CMD_PACKET
commands.
* Pass command to ->dma_setup method and update all its
implementations accordingly.
* Pass command instead of request to ide_build_sglist(),
*_build_dmatable() and ide_map_sg().
While at it:
* Fix scc_dma_setup() documentation + use ATA_DMA_WR define.
* Rename sgiioc4_build_dma_table() to sgiioc4_build_dmatable(),
change return value type to 'int' and drop unused 'ddir'
argument.
* Do some minor cleanups in [tx4939]ide_dma_setup().
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_rq_bytes() helper.
* Add blk_noretry_request() quirk to ide_complete_rq() (currently only fs
requests can be marked as "noretry" so there is no change in behavior).
* Switch current ide_end_request() users to use ide_complete_rq().
[ No need to check for rq->nr_sectors == 0 in {ide_dma,task_pio}_intr(),
nsectors == 0 in cdrom_end_request() and err == 0 in ide_do_devset(). ]
* Remove no longer needed ide_end_request().
There should be no functional changes caused by this patch.
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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Move rq->errors quirk out from ide_end_request() to its call sites.
There should be no functional changes caused by this patch.
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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Set rq->errors at ide_complete_rq() call sites and then pass
error value to ide_complete_rq().
[ Some rq->errors assignments look really wrong but this patch
leaves them alone to not introduce too many changes at once. ]
There should be no functional changes caused by this patch.
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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While at it:
- rename struct ide_task_s to struct ide_cmd
- remove stale comments from idedisk_{read_native,set}_max_address()
- drop unused 'cmd' argument from ide_{cmd,task}_ioctl()
- drop unused 'task' argument from tx4939ide_tf_load_fixup()
- rename ide_complete_task() to ide_complete_cmd()
- use consistent naming for struct ide_cmd variables
There should be no functional changes caused by this patch.
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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* Re-map sg table if needed in ide_build_sglist().
* Move ide_build_sglist() call from ->dma_setup to its users.
* Un-export ide_build_sglist().
v2:
* Build fix for CONFIG_BLK_DEV_IDEDMA=n (noticed by Randy Dunlap).
There should be no functional changes caused by this patch.
Cc: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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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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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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Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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* Use elv_add_request() instead of __elv_add_request() in ide_do_drive_cmd().
* ide_do_drive_cmd() is used only in ide-{atapi,cd}.c so inline it there.
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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Then make it static and remove 'dma' argument.
Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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since it fails the virt_to_page() translation check with DEBUG_VIRTUAL
enabled.
Signed-off-by: Borislav Petkov <petkovbb@gmail.com>
[bart: backport to Linus' tree]
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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... and remove no longer needed cdrom_start_packet_command and
cdrom_transfer_packet_command.
Tested lightly with ide-cd and ide-floppy.
Signed-off-by: Borislav Petkov <petkovbb@gmail.com>
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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ide_transfer_pc
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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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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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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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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There should be no functionality change resulting from this patch.
Signed-off-by: Borislav Petkov <petkovbb@gmail.com>
[bart: move cmd_len check closer to ->output_data() call]
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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Signed-off-by: Borislav Petkov <petkovbb@gmail.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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As a result, remove now unused ide_scsi_get_timeout and ide_scsi_expiry.
Signed-off-by: Borislav Petkov <petkovbb@gmail.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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Signed-off-by: Borislav Petkov <petkovbb@gmail.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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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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In addition, we wait for DRQ to be asserted by repeatedly polling
device status no matter what DRQ type each device implements.
Signed-off-by: Borislav Petkov <petkovbb@gmail.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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... by factoring it out of ide_cd_do_request() into a helper, as suggested by
Bart.
There should be no functionality change resulting from this patch.
Signed-off-by: Borislav Petkov <petkovbb@gmail.com>
[bart: BLK_DEV_IDECD needs to select IDE_ATAPI now]
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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There should be no functional 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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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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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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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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There should be no functional 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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This flag is to accomodate ide-cd functionality into ide atapi.
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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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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* 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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* 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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* 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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