* Factor out code for finding ide_hwifs[] slot from ide_register_hw()
to ide_deprecated_find_port().
* Convert bast-ide, ide-cs and delkin_cb host drivers to use ide_device_add()
instead of ide_register_hw() (while at it drop doing "ide_unregister()" loop
which tries to unregister _all_ IDE interfaces if useable ide_hwifs[] slot
cannot be find).
This patch leaves us with only two ide_register_hw() users:
- drivers/macintosh/mediabay.c
- drivers/ide/ide.c
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
* Add 'init_default' (flag for calling init_hwif_default()) and 'restore'
(flag for calling ide_hwif_restore()) arguments to ide_unregister().
* Update ide_unregister() users to set 'init_default' and 'restore' flags.
* No need to set 'init_default' flag in ide_register_hw() if the setup done
by init_hwif_default() is going to be overridden by ide_init_port_hw().
* No need to set 'init_default' and 'restore' flags in cleanup_module().
There should be no functionality changes caused by this patch.
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Also, move xfer_func_t typedef to the ide.h since it is used by two drivers
now (more coming).
Bart:
- use __func__ while at it
Signed-off-by: Borislav Petkov <bbpetkov@yahoo.de>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
* Add ->cable_detect method to ide_hwif_t.
* Call the new method in ide_init_port() if:
- the host supports UDMA modes > UDMA2 ('hwif->ultra_mask & 78')
- DMA initialization was successful (if hwif->dma_base is not set
ide_init_port() sets hwif->ultra_mask to zero)
- "idex=ata66" is not used ('hwif->cbl != ATA_CBL_PATA40_SHORT')
* Convert PCI host drivers to use ->cable_detect method.
While at it:
* Factor out cable detection to separate functions (if not already done).
* hpt366.c/it8213.c/slc90e66.c:
- don't check cable type if "idex=ata66" is used
* pdc202xx_new.c:
- add __devinit tag to pdcnew_cable_detect()
* pdc202xx_old.c:
- rename pdc202xx_old_cable_detect() to pdc2026x_old_cable_detect()
- add __devinit tag to pdc2026x_old_cable_detect()
Reviewed-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
* Remove 'struct pci_dev *dev' argument from ide_hwif_setup_dma().
* Un-static ide_hwif_setup_dma() and add CONFIG_BLK_DEV_IDEDMA_PCI=n version.
* Add 'const struct ide_port_info *d' argument to ide_device_add[_all]().
* Factor out generic ports init from ide_pci_setup_ports() to ide_init_port(),
move it to ide-probe.c and call it in in ide_device_add_all() instead of
ide_pci_setup_ports().
* Move ->mate setup to ide_device_add_all() from ide_port_init().
* Add IDE_HFLAG_NO_AUTOTUNE host flag for host drivers that don't enable
->autotune currently.
* Setup hwif->chipset in ide_init_port() but iff pi->chipset is set
(to not override setup done by ide_hwif_configure()).
* Add ETRAX host handling to ide_device_add_all().
* cmd640.c: set IDE_HFLAG_ABUSE_* also for CONFIG_BLK_DEV_CMD640_ENHANCED=n.
* pmac.c: make pmac_ide_setup_dma() return an error value and move DMA masks
setup to pmac_ide_setup_device().
* Add 'struct ide_port_info' instances to legacy host drivers, pass them to
ide_device_add() calls and then remove open-coded ports initialization.
Reviewed-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
* Make ide_build_sglist() and ide_destroy_dmatable() available also when
CONFIG_BLK_DEV_IDEDMA_PCI=n.
* Use ide_build_sglist() and ide_destroy_dmatable() in {ics,au1xxx-}ide.c
and remove no longer needed {ics,au}ide_build_sglist().
There should be no functionality changes caused by this patch.
Cc: Russell King <rmk@arm.linux.org.uk>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Keep pointer to struct device instead of struct pci_dev in ide_hwif_t.
While on it:
* Use *dev->dma_mask instead of pci_dev->dma_mask in ide_toggle_bounce().
There should be no functionality changes caused by this patch.
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
* Add IDE_HFLAG_NO_DSC host flag for hosts that doesn't support DSC overlap.
* Set it in aec62xx (for ATP850UF only) and hpt34x host drivers.
* Convert ide-tape device driver to check for IDE_HFLAG_NO_DSC flag.
Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
* Rename 'simplex_stat' variable to 'dma_stat' in ide_get_or_set_dma_base().
* Factor out code for forcing host out of "simplex" mode from
ide_get_or_set_dma_base() to ide_pci_clear_simplex() helper.
* Add IDE_HFLAG_CLEAR_SIMPLEX host flag and set it in alim15x3 (for M5229),
amd74xx (for AMD 7409), cmd64x (for CMD643), generic (for Netcell) and
serverworks (for CSB5) host drivers.
* Make ide_get_or_set_dma_base() test for IDE_HFLAG_CLEAR_SIMPLEX host flag
instead of checking dev->device (BTW the code was buggy because it didn't
check for dev->vendor, luckily none of these PCI Device IDs was used by
some other vendor for PCI IDE controller).
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
* Add ide_dump_identify() debug helper for dumping raw identify data in
the hdparm friendly format (== the identify data can be extracted from
dmesg output and passed to hdparm --Istdin).
* Dump identify data in ide-probe.c::do_identify() if DEBUG is enabled.
Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
After commit 7267c33774
wait_drive_not_busy() can become static again.
Signed-off-by: Adrian Bunk <bunk@kernel.org>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
- ide_scan_pcibus() can become static
- instead of ide_scan_pci() we can use ide_scan_pcibus() directly
in module_init()
Signed-off-by: Adrian Bunk <bunk@kernel.org>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Based on the earlier work by Tejun Heo.
Switch set_xfer_rate() to use REQ_TYPE_ATA_TASKFILE requests
and make ide_wait_cmd() static.
There should be no functionality changes caused by this patch.
Cc: Tejun Heo <htejun@gmail.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Use wait_drive_not_busy() in drive_cmd_intr().
v2:
* Fix wait_drive_not_busy() comment (noticed by Sergei).
Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
task_end_request() modified to always call ide_end_drive_cmd()
for taskfile requests. Previously, ide_end_drive_cmd() was
called only when IDE_TFLAG_FLAGGED was set. Also,
ide_dma_intr() is modified to use task_end_request().
Enables TASKFILE ioctls to get valid register outputs on
successful completion.
Bart:
- ported it over recent IDE changes
Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
* Add IDE_TFLAG_{HOB,TF,DEVICE} defines.
* Set IDE_TFLAG_IN_* flags in {do_rw,ide_no_data,ide_raw}_taskfile() users.
* Remove no longer needed ->tf_flags setup from ide_end_drive_cmd().
There should be no functionality changes caused by this patch.
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
In ide_taskfile_ioctl(), there was a race condition involving
drive->io_32bit. It was cleared and restored during ioctl
requests but there was no synchronization with other requests.
So, other requests could execute with the altered ->io_32bit
setting or updated drive->io_32bit could be overwritten by
ide_taskfile_ioctl().
This patch adds IDE_TFLAG_IO_16BIT flag to indicate to
ide_pio_datablock() that 16-bit I/O is needed regardless of
drive->io_32bit settting.
Bart:
- ported it over recent IDE changes
Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Remove broken disk byte-swapping support:
- it can cause a data corruption on SMP (or if using PREEMPT on UP)
- all data coming from disk are byte-swapped by taskfile_*_data() which
results in incorrect identify data being reported by /proc/ide/ and IOCTLs
- "hdx=bswap/byteswap" kernel parameter has been broken on m68k host drivers
(including Atari/Q40 ones) since 2.5.x days (because of 'hwif' zero-ing)
- byte-swapping is limited to PIO transfers (for working with TiVo disks on
x86 machines using user-space solutions or dm-byteswap should result in
much better performance because DMA can be used)
For previous discussions please see:
http://www.ussg.iu.edu/hypermail/linux/kernel/0201.0/0768.htmlhttp://lkml.org/lkml/2004/2/28/111
[ I have dm-byteswap device mapper target if somebody is interested
(patch is for 2.6.4 though but I'll dust it off if needed). ]
Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
* Make remaining built-in only IDE host drivers modular, add ide-scan-pci.c
file for probing PCI host drivers registered with IDE core (special case
for built-in IDE and CONFIG_IDEPCI_PCIBUS_ORDER=y) and then take care of
the ordering in which all IDE host drivers are probed when IDE is built-in
during link time.
* Move probing of gayle, falconide, macide, q40ide and buddha (m68k arch
specific) host drivers, before PCI ones (no PCI on m68k), ide-cris (cris
arch specific), cmd640 (x86 arch specific) and pmac (ppc arch specific).
* Move probing of ide-cris (cris arch specific) host driver before cmd640
(x86 arch specific).
* Move probing of mpc8xx (ppc specific) host driver before ide-pnp (depends
on ISA and none of ppc platform that use mpc8xx supports ISA) and ide-h8300
(h8300 arch specific).
* Add "probe_vlb" kernel parameter to cmd640 host driver and update
Documentation/ide.txt accordingly.
* Make IDE_ARM config option visible so it can also be disabled if needed.
* Remove bogus comment from ide.c while at it.
v2:
* Fix two issues spotted by Sergei:
- replace ENOMEM error value by ENOENT in ide-h8300 host driver
- fix MODULE_PARM_DESC() in cmd640 host driver
Cc: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Cc: Mikael Starvik <starvik@axis.com>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Roman Zippel <zippel@linux-m68k.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Bartlomiej Zolnierkiewicz
Borislav Petkov
Sergei Shtylyov
Adrian Bunk
Tejun Heo