History log of /drivers/ata/pata_cs5520.c
Revision Date Author Comments (<<< Hide modified files) (Show modified files >>>)
a44fec1fce5d5d14cc3ac4545b8da346394de666 16-Apr-2011 Joe Perches <joe@perches.com> ata: Convert dev_printk(KERN_<LEVEL> to dev_<level>(

Saves a bit of text as the call takes fewer args.

Coalesce a few formats.
Convert a few bare printks to pr_cont.

$ size drivers/ata/built-in.o*
text data bss dec hex filename
558429 73893 117864 750186 b726a drivers/ata/built-in.o.allyesconfig.new
559574 73893 117888 751355 b76fb drivers/ata/built-in.o.allyesconfig.old
149567 14689 4220 168476 2921c drivers/ata/built-in.o.defconfig.new
149851 14689 4220 168760 29338 drivers/ata/built-in.o.defconfig.old

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
/drivers/ata/pata_cs5520.c
25985edcedea6396277003854657b5f3cb31a628 31-Mar-2011 Lucas De Marchi <lucas.demarchi@profusion.mobi> Fix common misspellings

Fixes generated by 'codespell' and manually reviewed.

Signed-off-by: Lucas De Marchi <lucas.demarchi@profusion.mobi>
/drivers/ata/pata_cs5520.c
c3b2889424c26f3b42962b6f39aabb4f1fd1b576 19-May-2010 Tejun Heo <tj@kernel.org> libata-sff: separate out BMDMA irq handler

Separate out BMDMA irq handler from SFF irq handler. The misnamed
host_intr() functions are renamed to ata_sff_port_intr() and
ata_bmdma_port_intr(). Common parts are factored into
__ata_sff_port_intr() and __ata_sff_interrupt() and used by sff and
bmdma interrupt routines.

All BMDMA drivers now use ata_bmdma_interrupt() or
ata_bmdma_port_intr() while all non-BMDMA SFF ones use
ata_sff_interrupt() or ata_sff_port_intr().

For now, ata_pci_sff_init_one() uses ata_bmdma_interrupt() as it's
used by both SFF and BMDMA drivers.

Signed-off-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
/drivers/ata/pata_cs5520.c
f47451c45fe0032ef491aaf3e0623fa0154e156d 10-May-2010 Tejun Heo <tj@kernel.org> libata-sff: ata_sff_[dumb_]qc_prep are BMDMA specific

Both qc_prep functions deal only with BMDMA PRD setup and PIO only SFF
drivers don't need them. Rename to ata_bmdma_[dumb_]qc_prep() and
relocate.

All usages are renamed except for pdc_adma and sata_qstor. Those two
drivers are not BMDMA drivers and don't need to call BMDMA qc_prep
functions. Calls to ata_sff_qc_prep() in the two drivers are removed.

Signed-off-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
/drivers/ata/pata_cs5520.c
940a68de56c1952c29d9f3c1a769a82b1bdd2b67 03-Dec-2009 Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> pata_cs5520: remove dead VDMA support

It has been dead for the last three years (== since the initial driver
merge) and probability that it will ever get fixed is quite low.

Since there is no reason to keep this dead code around any longer just
remove it (it can still be retrieved from the git history if necessary).

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
/drivers/ata/pata_cs5520.c
284901a90a9e0b812ca3f5f852cbbfb60d10249d 07-Apr-2009 Yang Hongyang <yanghy@cn.fujitsu.com> dma-mapping: replace all DMA_32BIT_MASK macro with DMA_BIT_MASK(32)

Replace all DMA_32BIT_MASK macro with DMA_BIT_MASK(32)

Signed-off-by: Yang Hongyang<yanghy@cn.fujitsu.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
/drivers/ata/pata_cs5520.c
14bdef982caeda19afe34010482867c18217c641 14-Mar-2009 Erik Inge Bolsø <knan-lkml@anduin.net> [libata] convert drivers to use ata.h mode mask defines

No functional changes in this patch.

Signed-off-by: Erik Inge Bolsø <knan-lkml@anduin.net>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
/drivers/ata/pata_cs5520.c
9363c3825ea9ad76561eb48a395349dd29211ed6 07-Apr-2008 Tejun Heo <htejun@gmail.com> libata: rename SFF functions

SFF functions have confusing names. Some have sff prefix, some have
bmdma, some std, some pci and some none. Unify the naming by...

* SFF functions which are common to both BMDMA and non-BMDMA are
prefixed with ata_sff_.

* SFF functions which are specific to BMDMA are prefixed with
ata_bmdma_.

* SFF functions which are specific to PCI but apply to both BMDMA and
non-BMDMA are prefixed with ata_pci_sff_.

* SFF functions which are specific to PCI and BMDMA are prefixed with
ata_pci_bmdma_.

* Drop generic prefixes from LLD specific routines. For example,
bfin_std_dev_select -> bfin_dev_select.

The following renames are noteworthy.

ata_qc_issue_prot() -> ata_sff_qc_issue()
ata_pci_default_filter() -> ata_bmdma_mode_filter()
ata_dev_try_classify() -> ata_sff_dev_classify()

This rename is in preparation of separating SFF support out of libata
core layer. This patch strictly renames functions and doesn't
introduce any behavior difference.

Signed-off-by: Tejun Heo <htejun@gmail.com>
/drivers/ata/pata_cs5520.c
029cfd6b74fc5c517865fad78cf4a3ea8d9b664a 24-Mar-2008 Tejun Heo <htejun@gmail.com> libata: implement and use ops inheritance

libata lets low level drivers build ata_port_operations table and
register it with libata core layer. This allows low level drivers
high level of flexibility but also burdens them with lots of
boilerplate entries.

This becomes worse for drivers which support related similar
controllers which differ slightly. They share most of the operations
except for a few. However, the driver still needs to list all
operations for each variant. This results in large number of
duplicate entries, which is not only inefficient but also error-prone
as it becomes very difficult to tell what the actual differences are.

This duplicate boilerplates all over the low level drivers also make
updating the core layer exteremely difficult and error-prone. When
compounded with multi-branched development model, it ends up
accumulating inconsistencies over time. Some of those inconsistencies
cause immediate problems and fixed. Others just remain there dormant
making maintenance increasingly difficult.

To rectify the problem, this patch implements ata_port_operations
inheritance. To allow LLDs to easily re-use their own ops tables
overriding only specific methods, this patch implements poor man's
class inheritance. An ops table has ->inherits field which can be set
to any ops table as long as it doesn't create a loop. When the host
is started, the inheritance chain is followed and any operation which
isn't specified is taken from the nearest ancestor which has it
specified. This operation is called finalization and done only once
per an ops table and the LLD doesn't have to do anything special about
it other than making the ops table non-const such that libata can
update it.

libata provides four base ops tables lower drivers can inherit from -
base, sata, pmp, sff and bmdma. To avoid overriding these ops
accidentaly, these ops are declared const and LLDs should always
inherit these instead of using them directly.

After finalization, all the ops table are identical before and after
the patch except for setting .irq_handler to ata_interrupt in drivers
which didn't use to. The .irq_handler doesn't have any actual effect
and the field will soon be removed by later patch.

* sata_sx4 is still using old style EH and currently doesn't take
advantage of ops inheritance.

Signed-off-by: Tejun Heo <htejun@gmail.com>
/drivers/ata/pata_cs5520.c
68d1d07b510bb57a504588adc2bd2758adea0965 24-Mar-2008 Tejun Heo <htejun@gmail.com> libata: implement and use SHT initializers

libata lets low level drivers build scsi_host_template and register it
to the SCSI layer. This allows low level drivers high level of
flexibility but also burdens them with lots of boilerplate entries.

This patch implements SHT initializers which can be used to initialize
all the boilerplate entries in a sht. Three variants of them are
implemented - BASE, BMDMA and NCQ - for different types of drivers.
Note that entries can be overriden by putting individual initializers
after the helper macro.

All sht tables are identical before and after this patch.

Signed-off-by: Tejun Heo <htejun@gmail.com>
/drivers/ata/pata_cs5520.c
6bd99b4e0998571808fc1f09d5162348f21ff8c1 24-Mar-2008 Tejun Heo <htejun@gmail.com> libata: normalize port_info, port_operations and sht tables

Over the time, port info, ops and sht structures developed quite a bit
of inconsistencies. This patch updates drivers.

* Enable/disable_pm callbacks added to all ahci ops tables.

* Every driver for SFF controllers now uses ata_sff_port_start()
instead of ata_port_start() unless the driver has custom
implementation.

* Every driver for SFF controllers now uses ata_pci_default_filter()
unless the driver has custom implementation.

* Removed an odd port_info->sht initialization from ata_piix.c.
Likely a merge byproduct.

* A port which has ATA_FLAG_SATA set doesn't need to set cable_detect
to ata_cable_sata(). Remove it from via and mv port ops.

* Some drivers had unnecessary .max_sectors initialization which is
ignored and was missing .slave_destroy callback. Fixed.

* Removed unnecessary sht initializations port_info's.

* Removed onsolete scsi device suspend/resume callbacks from
pata_bf54x.

* No reason to set ata_pci_default_filter() and bmdma functions for
PIO-only drivers. Remove those callbacks and replace
ata_bmdma_irq_clear with ata_noop_irq_clear.

* pata_platform sets port_start to ata_dummy_ret0. port_start can
just be set to NULL.

* sata_fsl supports NCQ but was missing qc_defer. Fixed.

* pata_rb600_cf implements dummy port_start. Removed.

Signed-off-by: Tejun Heo <htejun@gmail.com>
/drivers/ata/pata_cs5520.c
f08048e94564d009b19038cfbdd800aa83e79c7f 24-Mar-2008 Tejun Heo <htejun@gmail.com> libata: PCI device should be powered up before being accessed

PCI device should be powered up or powered up before its PCI regsiters
are accessed. Although PCI configuration register access is allowed
in D3hot, PCI device is free to reset its status when transiting from
D3hot to D0 causing configuration data to change.

Many libata SFF drivers which use ata_pci_init_one() read and update
configuration registers before calling ata_pci_init_one() which
enables the PCI device. Also, in resume paths, some drivers access
registers without resuming the PCI device.

This patch adds a call to pcim_enable_device() in init path if
register is accessed before calling ata_pci_init_one() and make resume
paths first resume PCI devices, access PCI configuration regiters then
resume ATA host.

While at it...

* cmd640 was strange in that it set ->resume even when CONFIG_PM is
not. This is by-product of minimal build fix. Updated.

* In cs5530, Don't BUG() on reinit failure. Just whine and fail
resume.

Signed-off-by: Tejun Heo <htejun@gmail.com>
/drivers/ata/pata_cs5520.c
0948391641918b95d8d96c15089eb5ac156850b3 20-Dec-2007 Benjamin Herrenschmidt <benh@kernel.crashing.org> PCI: Remove users of pci_enable_device_bars()

This patch converts users of pci_enable_device_bars() to the new
pci_enable_device_{io,mem} interface.

The new API fits nicely, except maybe for the QLA case where a bit of
code re-organization might be a good idea but I prefer sticking to the
simple patch as I don't have hardware to test on.

I'll also need some feedback on the cs5520 change.

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
/drivers/ata/pata_cs5520.c
4ca4e439640cd1d3659cbcf60e7a73c2ae0450b3 30-Dec-2007 Al Viro <viro@ZenIV.linux.org.uk> libata annotations and fixes

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
/drivers/ata/pata_cs5520.c
2855568b1ee4f58ef2c0a13ddfceb4b0b216b7ed 11-Oct-2007 Jeff Garzik <jeff@garzik.org> [libata] struct pci_dev related cleanups

* remove pointless pci_dev_to_dev() wrapper. Just directly reference
the embedded struct device like everyone else does.

* pata_cs5520: delete cs5520_remove_one(), it was a duplicate of
ata_pci_remove_one()

* linux/libata.h: don't bother including linux/pci.h, we don't need it.
Simply declare 'struct pci_dev' and assume interested parties will
include the header, as they should be doing anyway.

* linux/libata.h: consolidate all CONFIG_PCI declarations into a
single location in the header.

Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
/drivers/ata/pata_cs5520.c
cbcdd87593a1d85c5c4b259945a3a09eee12814d 18-Aug-2007 Tejun Heo <htejun@gmail.com> libata: implement and use ata_port_desc() to report port configuration

Currently, port configuration reporting has the following problems.

* iomapped address is reported instead of raw address
* report contains irrelevant fields or lacks necessary fields for
non-SFF controllers.
* host->irq/irq2 are there just for reporting and hacky.

This patch implements and uses ata_port_desc() and
ata_port_pbar_desc(). ata_port_desc() is almost identical to
ata_ehi_push_desc() except that it takes @ap instead of @ehi, has no
locking requirement, can only be used during host initialization and "
" is used as separator instead of ", ". ata_port_pbar_desc() is a
helper to ease reporting of a PCI BAR or an offsetted address into it.

LLD pushes whatever description it wants using the above two
functions. The accumulated description is printed on host
registration after "[S/P]ATA max MAX_XFERMODE ".

SFF init helpers and ata_host_activate() automatically add
descriptions for addresses and irq respectively, so only LLDs which
isn't standard SFF need to add custom descriptions. In many cases,
such controllers need to report different things anyway.

Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
/drivers/ata/pata_cs5520.c
81ad1837b590775336f68eafcae8dab13a975b3a 22-Aug-2007 Alan Cox <alan@lxorguk.ukuu.org.uk> libata: Switch most of the remaining SFF drivers to ata_sff_port_start

This avoids allocating DMA buffers if not needed but at the moment is
mostly just a neatness item.

Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
/drivers/ata/pata_cs5520.c
ac8869d56d95a8c74403e6f7a47d74fcfcc1b988 16-Aug-2007 Jeff Garzik <jeff@garzik.org> [libata] Remove ->port_disable() hook

It was always set to ata_port_disable(). Removed the hook, and replaced
the very few ap->ops->port_disable() callsites with direct calls to
ata_port_disable().

Signed-off-by: Jeff Garzik <jeff@garzik.org>
/drivers/ata/pata_cs5520.c
6d32d30f55020d766388df7515f771f68c973033 15-Aug-2007 Jeff Garzik <jeff@garzik.org> [libata] Remove ->irq_ack() hook, and ata_dummy_irq_on()

* ->irq_ack() is redundant to what the irq handler already
performs... chk-status + irq-clear. Furthermore, it is only
called in one place, when screaming-irq-debugging is enabled,
so we don't want to bother with a hook just for that.

* ata_dummy_irq_on() is only ever used in drivers that have
no callpath reaching ->irq_on(). Remove .irq_on hook from
those drivers, and the now-unused ata_dummy_irq_on()

Signed-off-by: Jeff Garzik <jeff@garzik.org>
/drivers/ata/pata_cs5520.c
2a3103ce4357a09c2289405f969acec0edf4398f 31-Aug-2007 Jeff Garzik <jeff@garzik.org> [libata] Bump driver versions

Bump the versions for drivers that were modified, but had not already
had a version number bump.

Signed-off-by: Jeff Garzik <jeff@garzik.org>
/drivers/ata/pata_cs5520.c
8c6b065b792061c2e471d530127f2348fd9d243d 20-Jul-2007 Alan Cox <alan@lxorguk.ukuu.org.uk> pata_cs5520: Fix probe bug regression introduced in 2.6.22

Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Linux Torvalds <torvalds@linux-foundation.org>
/drivers/ata/pata_cs5520.c
d26fc9551a15fdad0d5de8376a78816b8af44f00 07-Jul-2007 Alan Cox <alan@lxorguk.ukuu.org.uk> libata: Support chips with 64K PRD quirk

Add ata_dumb_qc_prep and supporting logic so that a driver can just
specify it needs to be helped in this area. 64K entries are split
as with drivers/ide.

Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
/drivers/ata/pata_cs5520.c
4031826b3ca40982880f6b9f2282c7d7fad60d77 02-Jul-2007 Tejun Heo <htejun@gmail.com> libata: fix assigned IRQ reporting

host->irq and host->irq2 should be set before ata_host_register() for
IRQ reporting to work. Move up host->irq assignment in
ata_host_activate() and add it to ata_pci_init_one() native path and
pata_cs5520.

The port info printing in ata_host_register() doesn't fit all the
different controllers. It should probably be moved out to LLDs with
some helpers in the future.

Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
/drivers/ata/pata_cs5520.c
8bc3fc470eb25af4d70c72485cbcb130cc657691 22-May-2007 Jeff Garzik <jeff@garzik.org> libata: bump versions

Signed-off-by: Jeff Garzik <jeff@garzik.org>
/drivers/ata/pata_cs5520.c
9666f4009c22f6520ac3fb8a19c9e32ab973e828 04-May-2007 Tejun Heo <htejun@gmail.com> libata: reimplement suspend/resume support using sdev->manage_start_stop

Reimplement suspend/resume support using sdev->manage_start_stop.

* Device suspend/resume is now SCSI layer's responsibility and the
code is simplified a lot.

* DPM is dropped. This also simplifies code a lot. Suspend/resume
status is port-wide now.

* ata_scsi_device_suspend/resume() and ata_dev_ready() removed.

* Resume now has to wait for disk to spin up before proceeding. I
couldn't find easy way out as libata is in EH waiting for the
disk to be ready and sd is waiting for EH to complete to issue
START_STOP.

* sdev->manage_start_stop is set to 1 in ata_scsi_slave_config().
This fixes spindown on shutdown and suspend-to-disk.

Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
/drivers/ata/pata_cs5520.c
5d728824efeda61d304153bfcf1378a3c18b7d70 17-Apr-2007 Tejun Heo <htejun@gmail.com> libata: convert the remaining PATA drivers to new init model

Convert pdc_adma, pata_cs5520, pata_isapnp, pata_ixp4xx_cf,
pata_legacy, pata_mpc52xx, pata_mpiix, pata_pcmcia, pata_pdc2027x,
pata_platform, pata_qdi, pata_scc and pata_winbond to new init model.

* init_one()'s now follow more consistent init order

* cs5520 now registers one host with two ports, not two hosts. If any
of the two ports are disabled, it's made dummy as other drivers do.

Tested pdc_adma and pata_legacy. Both are as broken as before. The
rest are compile tested only.

Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
/drivers/ata/pata_cs5520.c
a73984a0d5664fa1bfdd9f0a475b8d74af7f44a6 09-Mar-2007 Jeff Garzik <jeff@garzik.org> [libata] More PATA driver ->cable_detect support

Roll-up of ->cable_detect feature addition patches, authored and
signed-off-by Alan Cox.

Signed-off-by: Jeff Garzik <jeff@garzik.org>
/drivers/ata/pata_cs5520.c
edceec3d6737ae2c901d9abc55f791cf3b42c470 14-Mar-2007 Al Viro <viro@ftp.linux.org.uk> [PATCH] trivial ATA iomem annotations

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Acked-by: Jeff Garzik <jgarzik@pobox.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
/drivers/ata/pata_cs5520.c
438ac6d5e3f8106a6bd1a5682c508d660294a85d 02-Mar-2007 Tejun Heo <htejun@gmail.com> libata: add missing CONFIG_PM in LLDs

Add missing #ifdef CONFIG_PM conditionals around all PM related parts
in libata LLDs.

Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
/drivers/ata/pata_cs5520.c
1aa56cca5bfa396c791e93b38e4776ef39b590a7 27-Feb-2007 Tejun Heo <htejun@gmail.com> libata: clear drvdata in ata_host_release(), take#2

Clearing drvdata in ->remove_one causes NULL pointer deference. Clear
drvdata only in ata_host_release() after all resources are freed.

Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
/drivers/ata/pata_cs5520.c
cb48cab7f363014e0a5dc21f7b4892c15d626d41 26-Feb-2007 Jeff Garzik <jeff@garzik.org> [libata] bump versions

Bump versions based on changes submitted during 2.6.21 merge window.

Signed-off-by: Jeff Garzik <jeff@garzik.org>
/drivers/ata/pata_cs5520.c
a84471fe269c38ea3725345c43ad64e5f489bea2 26-Feb-2007 Jeff Garzik <jeff@garzik.org> [libata] Trim trailing whitespace.

No code changes.

Signed-off-by: Jeff Garzik <jeff@garzik.org>
/drivers/ata/pata_cs5520.c
aa6de4942c25f05cb7f4aa8efa20c5ec0884d8f1 20-Feb-2007 Alan <alan@lxorguk.ukuu.org.uk> pata_cs5520: suspend/resume

The CS5520 isn't just an ATA controller and we must not
pci_disable_device it as it turns into pci_disable_computer.

Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
/drivers/ata/pata_cs5520.c
246ce3b675843e0369643cceb4faeb6cf6d19a30 26-Jan-2007 Akira Iguchi <akira2.iguchi@toshiba.co.jp> libata: add another IRQ calls (libata drivers)

This patch is against each libata driver.

Two IRQ calls are added in ata_port_operations.
- irq_on() is used to enable interrupts.
- irq_ack() is used to acknowledge a device interrupt.

In most drivers, ata_irq_on() and ata_irq_ack() are used for
irq_on and irq_ack respectively.

In some drivers (ex: ahci, sata_sil24) which cannot use them
as is, ata_dummy_irq_on() and ata_dummy_irq_ack() are used.

Signed-off-by: Kou Ishizaki <kou.ishizaki@toshiba.co.jp>
Signed-off-by: Akira Iguchi <akira2.iguchi@toshiba.co.jp>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
/drivers/ata/pata_cs5520.c
0d5ff566779f894ca9937231a181eb31e4adff0e 01-Feb-2007 Tejun Heo <htejun@gmail.com> libata: convert to iomap

Convert libata core layer and LLDs to use iomap.

* managed iomap is used. Pointer to pcim_iomap_table() is cached at
host->iomap and used through out LLDs. This basically replaces
host->mmio_base.

* if possible, pcim_iomap_regions() is used

Most iomap operation conversions are taken from Jeff Garzik
<jgarzik@pobox.com>'s iomap branch.

Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
/drivers/ata/pata_cs5520.c
24dc5f33ea4b504cfbd23fa159a4cacba8e4d800 20-Jan-2007 Tejun Heo <htejun@gmail.com> libata: update libata LLDs to use devres

Update libata LLDs to use devres. Core layer is already converted to
support managed LLDs. This patch simplifies initialization and fixes
many resource related bugs in init failure and detach path. For
example, all converted drivers now handle ata_device_add() failure
gracefully without excessive resource rollback code.

As most resources are released automatically on driver detach, many
drivers don't need or can do with much simpler ->{port|host}_stop().
In general, stop callbacks are need iff port or host needs to be given
commands to shut it down. Note that freezing is enough in many cases
and ports are automatically frozen before being detached.

Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
/drivers/ata/pata_cs5520.c
f20b16ff7c19d1c369ee07470952aca093551ed0 11-Dec-2006 Jeff Garzik <jeff@garzik.org> [libata] trim trailing whitespace

Most of these contributed by that mysterious figger known as A.C.

Signed-off-by: Jeff Garzik <jeff@garzik.org>
/drivers/ata/pata_cs5520.c
2eab80ac0c96fb98267afeb12a4899801564c75b 28-Nov-2006 Tejun Heo <htejun@gmail.com> [PATCH] libata: kill unnecessary sht->max_sectors initializations

sht->max_sectors is overrided unconditionally in ->slave_configure.
There's no reason to set it to any value.

Signed-off-by: Tejun Heo <htejun@gmail.com>
/drivers/ata/pata_cs5520.c
8501120f1df1aa6abe38b51ab91df08ccaa1b971 22-Nov-2006 Alan <alan@lxorguk.ukuu.org.uk> [PATCH] pata_cs5520: resume support

The CS5520 doesn't need much help to resume but we do need to restore
pcicfg which may have been reset to the BIOS default which is
sometimes incorrect.

Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
/drivers/ata/pata_cs5520.c
afdfe899e6420eac6c5eb3bc8c89456dff38d40e 29-Nov-2006 Tejun Heo <htejun@gmail.com> [PATCH] libata: add missing sht->slave_destroy

Many LLDs are missing sht->slave_destroy. The method is mandatory to
support device warm unplugging (echo 1 > /sys/.../delete). Without
it, libata might access released scsi device.

Signed-off-by: Tejun Heo <htejun@gmail.com>
/drivers/ata/pata_cs5520.c
2d2744fc8be620a2dc469cf48349e3e704119f1b 29-Sep-2006 Jeff Garzik <jeff@garzik.org> [libata] PCI ID table cleanup in various drivers

* Use PCI_VDEVICE() macro
* const-ify pci_device_id table
* standardize list terminator as "{ }"
* convert spaces to tab in pci_driver struct (Alan-ism)
* various minor whitespace cleanups

Signed-off-by: Jeff Garzik <jeff@garzik.org>
/drivers/ata/pata_cs5520.c
bda3028813bd07f34f30288a492fbf6f7b8712dd 27-Sep-2006 Jeff Garzik <jeff@garzik.org> [libata] Don't use old-EH ->eng_timeout() hook when not needed

The PATA driver set got converted to the new error handling setup, but
the old hooks were accidentally left in place. Now, removed.

Signed-off-by: Jeff Garzik <jeff@garzik.org>
/drivers/ata/pata_cs5520.c
669a5db411d85a14f86cd92bc16bf7ab5b8aa235 30-Aug-2006 Jeff Garzik <jeff@garzik.org> [libata] Add a bunch of PATA drivers.

The vast majority of drivers and changes are from Alan Cox. Albert Lee
contributed and maintains pata_pdc2027x. Adrian Bunk, Andrew Morton,
and Tejun Heo contributed various minor fixes and updates.

Signed-off-by: Jeff Garzik <jeff@garzik.org>
/drivers/ata/pata_cs5520.c