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path: root/drivers/ide/tx4938ide.c
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2010-08-09tx493xide: use min_t() macro instead of min()Atsushi Nemoto1-1/+1
This fixes a warning ("comparison of distinct pointer types lacks a cast") introduced by the commit 040f6b4f14adb2ca5babb84e9fb2ebc6661e0be2 ("tx493xide: use ->pio_mode value to determine pair device speed"). Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-01-19tx493xide: use ->pio_mode value to determine pair device speedBartlomiej Zolnierkiewicz1-1/+1
Use the current PIO mode value instead of the physical maximum one of the pair device on the port to determine PIO commmand timings used for both devices on the port. Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-01-19ide: change ->set_pio_mode method parametersBartlomiej Zolnierkiewicz1-3/+2
Change ->set_pio_mode method parameters to match ->set_piomode method used in struct ata_port_operations. Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-11-23drivers/ide/tx4938ide.c: use resource_size()H Hartley Sweeten1-1/+1
Use resource_size() for devm_request_mem_region. Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-05-17ide: remove hw_regs_t typedefBartlomiej Zolnierkiewicz1-1/+1
Remove hw_regs_t typedef and rename struct hw_regs_s to struct ide_hw. 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>
2009-05-17ide: pass number of ports to ide_host_{alloc,add}() (v2)Bartlomiej Zolnierkiewicz1-3/+2
Pass number of ports to ide_host_{alloc,add}() and then update all users accordingly. v2: - drop no longer needed NULL initializers in buddha.c, cmd640.c and gayle.c (noticed by Sergei) 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>
2009-04-08tx493[89]ide: Remove big endian version of tx493[89]ide_tf_{load,read}Atsushi Nemoto1-87/+2
Now tx493[89]ide_tf_{load,read} do not contain word I/O operations. They are endian-free now. Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp> Cc: Sergei Shtylyov <sshtylyov@ru.mvista.com>, Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2009-03-31ide: turn selectproc() method into dev_select() method (take 5)Sergei Shtylyov1-0/+1
Turn selectproc() method into dev_select() method by teaching it to write to the device register and moving it from 'struct ide_port_ops' to 'struct ide_tp_ops'. Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com> Cc: benh@kernel.crashing.org Cc: petkovbb@gmail.com [bart: add ->dev_select to at91_ide.c and tx4939.c (__BIG_ENDIAN case)] Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2009-03-31ide: move data register access out of tf_{read|load}() methods (take 2)Sergei Shtylyov1-15/+0
Move IDE_FTFLAG_{IN|OUT}_DATA flag handling out of tf_{read|load}() methods into the only two functions where these flags actually need to be handled: do_rw_taskfile() and ide_complete_cmd()... Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2009-03-31ide: call {in|out}put_data() methods from tf_{read|load}() methods (take 2)Sergei Shtylyov1-8/+7
Handle IDE_FTFLAG_{IN|OUT}_DATA flags in tf_{read|load}() methods by calling {in|out}put_data() methods to transfer 2 bytes -- this will allow us to move that handling out of those methods altogether... Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2009-03-31ide: rename IDE_TFLAG_IN_[HOB_]FEATURESergei Shtylyov1-9/+8
The feature register has never been readable -- when its location is read, one gets the error register value; hence rename IDE_TFLAG_IN_[HOB_]FEATURE into IDE_TFLAG_IN_[HOB_]ERROR and introduce the 'hob_error' field into the 'struct ide_taskfile' (despite the error register not really depending on the HOB bit). Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2009-03-31ide: turn set_irq() method into write_devctl() methodSergei Shtylyov1-2/+1
Turn set_irq() method with its software reset hack into write_devctl() method (for just writing a value into the device control register) at last... Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2009-03-31ide: use ATA_HOBSergei Shtylyov1-2/+2
Make use of ATA_HOB instead of hard-coded value in the tf_read() method. Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2009-03-27ide: pass command instead of request to ide_pio_datablock()Bartlomiej Zolnierkiewicz1-2/+2
* Add IDE_TFLAG_FS taskfile flag and set it for REQ_TYPE_FS requests. * Convert ->{in,out}put_data methods to take command instead of request as an argument. Then convert pre_task_out_intr(), task_end_request(), task_error(), task_in_unexpected(), ide_pio_sector(), ide_pio_multi() and ide_pio_datablock() in similar way. * Rename task_end_request() to ide_finish_cmd(). There should be no functional changes caused by this patch. Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2009-03-27ide: remove ide_task_t typedefBartlomiej Zolnierkiewicz1-31/+31
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>
2009-03-27ide: add "flagged" taskfile flags to struct ide_taskfile (v2)Bartlomiej Zolnierkiewicz1-3/+3
* Add ->ftf_flags field to struct ide_taskfile and convert flags for TASKFILE ioctl to use it. * Rename "flagged" taskfile flags: - IDE_TFLAG_FLAGGED -> IDE_FTFLAG_FLAGGED - IDE_TFLAG_FLAGGED_SET_IN_FLAGS -> IDE_FTFLAG_SET_IN_FLAGS - IDE_TFLAG_{OUT,IN}_DATA -> IDE_FTFLAG_{OUT,IN}_DATA v2: * Remember to fully update ide-h8300.c, scc_pata.c and tx493{8,9}ide.c (thanks to Stephen Rothwell for noticing). There should be no functional changes caused by this patch. Cc: Stephen Rothwell <sfr@canb.auug.org.au> Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2009-03-27ide: include <asm/ide.h> only when neededBartlomiej Zolnierkiewicz1-0/+2
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2009-01-14tx4938ide: Fix build error due to read_sff_dma_status movingAtsushi Nemoto1-1/+0
Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp> Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2009-01-02ide: remove chipset type fixup from ide_host_register()Bartlomiej Zolnierkiewicz1-0/+1
* Set chipset type explicitly in tx4938ide and tx4939ide host drivers (all other host drivers were updated already). * Remove no longer used chipset type fixup from ide_host_register(). Acked-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp> Cc: Sergei Shtylyov <sshtylyov@ru.mvista.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2009-01-02tx493x: fix indentationBartlomiej Zolnierkiewicz1-5/+5
Trivial CodingStyle fixup for tx4938ide and tx4939ide drivers. Acked-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp> Acked-by: Sergei Shtyltov <sshtylyov@ru.mvista.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2008-12-29tx493[89]ide: Fix length for __ide_flush_dcache_rangeAtsushi Nemoto1-2/+2
This fixes data corruption on PIO mode. Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp> Cc: stable <stable@kernel.org> Cc: sshtylyov@ru.mvista.com Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2008-11-02tx4938ide: Avoid underflow on calculation of a wait cycleAtsushi Nemoto1-2/+3
Make 'wt' variable signed while it can be negative during calculation. Suggested-by: Sergei Shtylyov <sshtylyov@ru.mvista.com> Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp> Cc: sshtylyov@ru.mvista.com Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2008-11-02tx4938ide: Do not call devm_ioremap for whole 128KBAtsushi Nemoto1-11/+16
Call devm_ioremap() for CS0 and CS1 separetely. And some style cleanups. Suggested-by: Sergei Shtylyov <sshtylyov@ru.mvista.com> Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp> Cc: ralf@linux-mips.org Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2008-11-02tx4938ide: Check minimum cycle time and SHWT range (v2)Atsushi Nemoto1-1/+8
SHWT value is used as address valid to -CSx assertion and -CSx to -DIOx assertion setup time, and contrarywise, -DIOx to -CSx release and -CSx release to address invalid hold time, so it actualy applies 4 times and so constitutes -DIOx recovery time. Check requirement of the recovery time and cycle time. Also check SHWT maximum value. Suggested-by: Sergei Shtylyov <sshtylyov@ru.mvista.com> Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp> Cc: ralf@linux-mips.org Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2008-10-23ide: Add tx4938ide driver (v2)Atsushi Nemoto1-0/+310
This is the driver for the Toshiba TX4938 SoC EBUS controller ATA mode. It has custom set_pio_mode and some hacks for big endian. Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp> Cc: ralf@linux-mips.org Cc: sshtylyov@ru.mvista.com Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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