| Commit message (Collapse) | Author | Age | Files | Lines |
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Replace pci_module_init() with pci_register_driver().
Signed-off-by: Pavel Roskin <proski@gnu.org>
Signed-off-by: Tejun Heo <htejun@gmail.com>
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Replace ap->hard_port_no with ap->port_no.
Signed-off-by: Tejun Heo <htejun@gmail.com>
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Kill host_set->next
Fix simplex support
Allow per platform setting of IDE legacy bases
Some of this can be tidied further later on, in particular all the
legacy port gunge belongs as a PCI quirk/PCI header decode to understand
the special legacy IDE rules in the PCI spec.
Longer term Jeff also wants to move the request_irq/free_irq out of core
which will make this even cleaner.
tj: folded in three followup patches - ata_piix-fix, broken-arch-fix
and fix-new-legacy-handling, and separated per-dev xfermask into
separate patch preceding this one. Folded in fixes are...
* ata_piix-fix: fix build failure due to host_set->next removal
* broken-arch-fix: add missing include/asm-*/libata-portmap.h
* fix-new-legacy-handling:
* In ata_pci_init_legacy_port(), probe_num was incorrectly
incremented during initialization of the secondary port and
probe_ent->n_ports was incorrectly fixed to 1.
* Both legacy ports ended up having the same hard_port_no.
* When printing port information, both legacy ports printed
the first irq.
Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Tejun Heo <htejun@gmail.com>
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Fix a sata debug print statement that still uses an old variable name.
Signed-off-by: Keith Owens <kaos@ocs.com.au>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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To get host_set->private_data initialized reliably, all pinfos need to
point to the same hpriv. Restore pinfo->private_data after pata pinfo
assignment.
Signed-off-by: Tejun Heo <htejun@gmail.com>
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Signed-off-by: Jeff Garzik <jeff@garzik.org>
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* delete unused PIIX_FLAG_COMBINED*
* port_enable should be u16 rather than u32
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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Take into account the fact that ICH8 changed the register layout of
the MAP and PCS register bits.
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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Prior to this patch, the driver would do this for each port:
read 8-bit PCS
write 8-bit PCS
read 8-bit PCS
write 8-bit PCS
In the field, flaky behavior has been observed related to this register.
In particular, these overzealous register writes can cause misdetection
problems.
Update to do the following once (not once per port) at boot:
read 16-bit PCS
if needs changing,
write 16-bit PCS
And thereafter, we only perform a 'read 16-bit PCS' per port.
This should eliminate all PCS writes in many cases, and be more friendly
in the cases where we do need to enable ports.
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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Add host_set private structure piix_host_priv. Currently the only
field is ->map which used to be stored directly at
host_set->private_data. This change allows more host_set private
fields to be added.
Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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Update major version for libata, and several drivers.
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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Convert ata_piix to new probing mechanism. Automatic hotplug is not
supported due to hardware limitation (no PHY event interrupt), but
warm plugging works.
Signed-off-by: Tejun Heo <htejun@gmail.com>
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Hook transportt->user_scan() and hostt->slave_destroy().
Signed-off-by: Tejun Heo <htejun@gmail.com>
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Add back ->data_xfer and ->mode_filter to ata_piix.c.
Signed-off-by: Albert Lee <albertcc@tw.ibm.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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if( spacing fix for Garzik compliant formatting
Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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Minis shipped in first quarter 2006
Signed-off-by: Thomas Glanzmann <sithglan@stud.uni-erlangen.de>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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ata_piix can use stock BMDMA EH routines. Convert to new EH.
Signed-off-by: Tejun Heo <htejun@gmail.com>
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Use ATA printk helpers.
Signed-off-by: Tejun Heo <htejun@gmail.com>
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Conflicts:
drivers/scsi/libata-scsi.c
include/linux/libata.h
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Overriding the whole EH code is a per-transport, not per-host thing.
Move ->eh_strategy_handler to the transport class, same as
->eh_timed_out.
Downside is that scsi_host_alloc can't check for the total lack of EH
anymore, but the transition period from old EH where we needed it is
long gone already.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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MAP tables of ich6 and ich6m are wrong. Depending on port usage,
ata_piix may fail to initialize attached devices.
Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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Mostly, trim trailing whitespace.
Also:
* export ata_dev_pair
* move ata_dev_classify export closer to ata_dev_pair export
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SCSI midlayer has moved hostt->eh_timed_out to transport template. As
libata doesn't need full-blown transport support yet, implement
minimal transport for libata. No transport class or whatsoever, just
empty transport template with ->eh_timed_out hook.
Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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Rename PIIX_FLAG_IGN_PRESENT to PIIX_FLAG_IGNORE_PCS as Jeff
requested.
Signed-off-by: Tejun Heo <htejun@gmail.com>
Cc: Jeff Garzik <jgarzik@pobox.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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Reimplement piix_sata_probe() such that it turns on PCS enable bits on
all avaliable ports and check present bits after a while to determine
device presence. This should help broken BIOSes. After device
presence detection is complete, PCS enable bits of unoccupied bits are
turned off unless the controller supports AHCI (ICH6/7 docs mandate
all enables bits are always set on AHCI capable controllers).
Note that PCS present bits are ignored on 6300ESB as described in the
datasheet. This should fix device detection problems reported with
the controller.
Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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Replace combined mode handling via PIIX_COMB/COMB_PATA_P0 with proper
port map. PIIX now prints port configuration during initialization.
ATA_FLAG_SLAVE_POSS is now turned on for SATA ports only when the
slave device is actually avaliable.
Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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Add PIIX_FLAG_IGN_PRESENT and SCR flags. Thi patch doesn't cause any
functional change. To be used by later init/scr updates.
Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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Make port_info finer-grained. This patch doesn't cause any functional
change. Later init reimplementation will make use of it.
Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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Convert ata_piix sata ->phy_reset to new reset mechanism.
Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
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Convert ata_piix pata ->phy_reset to new reset mechanism.
Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
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The previous dev->max_sectors patch made sht->max_sectors meaningless.
Kill all initializations of sht->max_sectors.
Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
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In piix_sata_probe(), mask gets assigned unnecessarily at the
beginning of the function. Kill the assignment.
Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
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Make all libata low level drivers use ata_scsi_timed_out().
Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
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This is a merger of libata docs + cleanups from
Martin Waitz <tali@admingilde.org> and me.
From: Randy Dunlap <rdunlap@xenotime.net>
From: Martin Waitz <tali@admingilde.org>
Fix libata kernel-doc comments to match code.
Add some function parameters to kernel-doc.
Fix some typos/spellos.
Put comments in <= 80 columns.
Make one DPRINTK string unique.
Fix sparse cast warnings.
Signed-off-by: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
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The previous change failed to properly mask out unrelated bits, which
resulted in a failure to detect devices.
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Unlike their older siblings, ICH6 and 7 use different scheme for MAP
VALUE. This patch makes ata_piix interpret MV properly on ICH6/7.
Pre-ICH6/7
The value of these bits indicate the address range the SATA port
responds to, and whether or not the SATA and IDE functions are
combined.
000 = Non-combined. P0 is primary master. P1 is secondary master.
001 = Non-combined. P0 is secondary master. P1 is primary master.
100 = Combined. P0 is primary master. P1 is primary slave. P-ATA is
2:0 Map Value secondary.
101 = Combined. P0 is primary slave. P1 is primary master. P-ATA is
secondary.
110 = Combined. P-ATA is primary. P0 is secondary master. P1 is
secondary slave.
111 = Combined. P-ATA is primary. P0 is secondary slave. P1 is
secondary master.
ICH6/7
Map Value - R/W. Map Value (MV): The value in the bits below indicate
the address range the SATA ports responds to, and whether or not the
PATA and SATA functions are combined. When in combined mode, the AHCI
memory space is not available and AHCI may not be used.
00 = Non-combined. P0 is primary master, P2 is the primary slave. P1
is secondary master, P3 is the 1:0 secondary slave (desktop
only). P0 is primary master, P2 is the primary slave (mobile
only).
01 = Combined. IDE is primary. P1 is secondary master, P3 is the
secondary slave. (desktop only)
10 = Combined. P0 is primary master. P2 is primary slave. IDE is secondary
11 = Reserved
Signed-off-by: Tejun Heo <htejun@gmail.com>
--
Jeff, without this patch, ata_piix misdetects my ICH7's combined mode,
ending up not applying bridge limits to PX-710SA and configuring IDE
drive on 40-c cable to UDMA/66.
Thanks.
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
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Signed-off-by: Jason Gaston <Jason.d.gaston@intel.com>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
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Manual fixup for merge with Jens' "Suspend support for libata", commit
ID 9b847548663ef1039dd49f0eb4463d001e596bc3.
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Reflect changes in SCSI midlayer and updated to use new
ordered request implementation
Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jens Axboe <axboe@suse.de>
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This patch adds suspend patch to libata, and ata_piix in particular. For
most low level drivers, they should just need to add the 4 hooks to
work. As I can only test ata_piix, I didn't enable it for more
though.
Suspend support is the single most important feature on a notebook, and
most new notebooks have sata drives. It's quite embarrassing that we
_still_ do not support this. Right now, it's perfectly possible to
suspend the drive in mid-transfer.
Signed-off-by: Jens Axboe <axboe@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
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Ok lets start with the 'easy' stuff. This includes my research and
summary of chip errata into the new driver so that people can refer to
it when updating ata_piix.
No code changes
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
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