| Commit message (Collapse) | Author | Age |
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Noticed by Rafael J. Wysocki
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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Noticed by Andrew Morton.
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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Since some SAS drivers need libata, we can no longer use the rule that
auto-builds libata.ko as needed. We must instead depend on Kconfig to
determine when to build the library kernel module.
Noticed by Brian King @ IBM.
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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Signed-off-by: Jeff Garzik <jeff@garzik.org>
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The CFA world has some additional rules and drive modes we need to support for
newer expansion cards and on embedded boxes
Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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git://htj.dyndns.org/libata-tj into upstream
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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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m15w blacklist overgrew by attributing unrelated problems to m15w
including R_ERR on DMA activate FIS errata. This patch shrinks
sata_sil m15w blacklist such that it's as reported by Silicon Image.
Signed-off-by: Tejun Heo <htejun@gmail.com>
Cc: Carlos Pardo <Carlos.Pardo@siliconimage.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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Kill unused probe_ent/ap->hard_port_no and probe_ent->legacy_mode.
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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Use dummy port for stolen legacy ports. This makes ap->port_no always
equal ap->hard_port_no.
Signed-off-by: Tejun Heo <htejun@gmail.com>
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Implement dummy port which can be requested by setting appropriate bit
in probe_ent->dummy_port_mask. The dummy port is used as placeholder
for stolen legacy port. This allows libata to guarantee that
index_of(ap) == ap->port_no == actual_device_port_no, and thus to
remove error-prone ap->hard_port_no.
As it's used only when one port of a legacy controller is reserved by
some other entity (e.g. IDE), the focus is on keeping the added *code*
complexity at minimum, so dummy port allocates all libata core
resources and acts as a normal port. It just has all dummy port_ops.
This patch only implements dummy port. The following patch will make
libata use it for stolen legacy ports.
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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Implement per-dev xfermask. libata used to determine xfermask
per-port - the fastest mode of the slowest device on the port. This
patch enables per-dev xfermask.
Original patch is from Alan Cox <alan@redhat.com>. The following
changes are made by me.
* simplex warning message is added
* remove disabled device handling code which is never invoked
(originally for choosing port-wide lowest PIO mode)
Cc: Alan Cox <alan@redhat.com>
Signed-off-by: Tejun Heo <htejun@gmail.com>
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Eliminate redundant loop variable 'count'
Signed-off-by: Jeff Garzik <jeff@garzik.org>
Signed-off-by: Tejun Heo <htejun@gmail.com>
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s/ata_host_add/ata_port_add/
s/ata_host_init/ata_port_init/
libata naming got stuck in the middle of a Great Renaming:
ata_host -> ata_port
ata_host_set -> ata_host
To eliminate confusion, let's just give up for now, and simply ensure
that things are internally consistent.
Signed-off-by: Jeff Garzik <jeff@garzik.org>
Signed-off-by: Tejun Heo <htejun@gmail.com>
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Update ata_host_init() such that it only initializes SCSI host related
stuff and doesn't call into ata_port_init(), and rename it to
ata_port_init_shost().
Signed-off-by: Tejun Heo <htejun@gmail.com>
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Initial IRQ mask clearing is done by libata-core by freezing all ports
prior to requesting IRQ. Remove redundant IRQ clearing from
init_controller().
Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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The following patch enhances libata to allow SAS device drivers
to utilize libata to talk to SATA devices. It introduces some
new APIs which allow libata to be used without allocating a
virtual scsi host.
New APIs:
ata_sas_port_alloc - Allocate an ata_port
ata_sas_port_init - Initialize an ata_port (probe device, etc)
ata_sas_port_destroy - Free an ata_port allocated by ata_sas_port_alloc
ata_sas_slave_configure - configure scsi device
ata_sas_queuecmd - queue a scsi command, similar to ata_scsi_queuecomand
These new APIs can be used either directly by a SAS LLDD or could be used
by the SAS transport class.
Possible usage for a SAS LLDD would be:
scsi_scan_host
target_alloc
ata_sas_port_alloc
slave_alloc
ata_sas_port_init
slave_configure
ata_sas_slave_configure
Commands received by the LLDD for SATA devices would call ata_sas_queuecmd.
Device teardown would occur with:
slave_destroy
port_disable
target_destroy
ata_sas_port_destroy
Signed-off-by: Brian King <brking@us.ibm.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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Move ata_probe_ent_alloc to libata-core. It will also be used by
future SAS/SATA integration patches.
Signed-off-by: Brian King <brking@us.ibm.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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Separate out the ata_port initialization from ata_host_init
so that it can be used in future SAS patches.
Signed-off-by: Brian King <brking@us.ibm.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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Add ata_host_set_init in preparation for SAS attached SATA.
Signed-off-by: Brian King <brking@us.ibm.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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Signed-off-by: David Wang <touch@sis.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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Unify pm_message_t argument to the new-style @mesg.
Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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Implement power management support.
Original implementation is from Zhao, Forrest <forrest.zhao@intel.com>
Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Zhao, Forrest <forrest.zhao@intel.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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Separate out ahci_reset_controller() and ahci_init_controller() from
ata_host_init(). These will be used by PM callbacks. This patch
doesn't introduce any behavior change.
Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Zhao, Forrest <forrest.zhao@intel.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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Implement ahci_[de]init_port() and use it during initialization and
de-initialization. ahci_[de]init_port() are supersets of what used to
be done during driver [de-]initialization. This patch makes the
following behavior changes.
* Per-port IRQ mask is cleared on driver load as done in other
drivers. The mask will be configured properly during probe.
* During init_one(), HOST_IRQ_STAT is cleared after masking port IRQs
such that there is no race window.
* CMD_SPIN_UP is cleared during init_one() instead of being set. It
is set in port_start(). This is more consistent with overall
structure of initialization. Note that CMD_SPIN_UP simply controls
PHY activation.
* Slumber and staggered spin-up are handled properly.
* All init/deinit operations are done in step-by-step manner as
described in the spec instead of issued as single merged command.
Original implementation is from Zhao, Forrest <forrest.zhao@intel.com>
Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Zhao, Forrest <forrest.zhao@intel.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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Simplify ahci_start_engine() by killing prerequisite condition checks.
Rationales are..
* No user checks error return from ahci_start_engine()
* Code flow guarantees the prerequisite conditions unless the
controller is malfunctioning. In such cases, the driver had chances
to learn about the problem _before_ calling this function.
* Closely related to the above two, driver calls into this function
even when prerequisites fail hoping for the best.
Basically, ahci_start_engine() should only do the operation itself.
It isn't the right place to check for prerequisites.
Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Zhao, Forrest <forrest.zhao@intel.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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* fascist-format comments according to comment style used in libata
core layer.
* if() -> if ()
Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Zhao, Forrest <forrest.zhao@intel.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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* move ahci_port_start/stop() below EH functions. This makes ahci
more consistent with other drivers and makes prototypes for
ahci_start/stop_engine() unnecessary.
* swap positions between ahci_start_engine() and ahci_stop_engine()
for readability.
Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Zhao, Forrest <forrest.zhao@intel.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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- Make ahci_start_engine() and ahci_stop_engine() more consistent with
AHCI spec 1.1
- Change their input parameter from ap to port_mmio
- Update the existing users of ahci_start_engine() and ahci_stop_engine()
Signed-off-by: Forrest Zhao <forrest.zhao@intel.com>
Signed-off-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Jens Axboe <axboe@suse.de>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/netdev-2.6
* 'upstream-linus' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/netdev-2.6: (217 commits)
net/ieee80211: fix more crypto-related build breakage
[PATCH] Spidernet: add ethtool -S (show statistics)
[NET] GT96100: Delete bitrotting ethernet driver
[PATCH] mv643xx_eth: restrict to 32-bit PPC_MULTIPLATFORM
[PATCH] Cirrus Logic ep93xx ethernet driver
r8169: the MMIO region of the 8167 stands behin BAR#1
e1000, ixgb: Remove pointless wrappers
[PATCH] Remove powerpc specific parts of 3c509 driver
[PATCH] s2io: Switch to pci_get_device
[PATCH] gt96100: move to pci_get_device API
[PATCH] ehea: bugfix for register access functions
[PATCH] e1000 disable device on PCI error
drivers/net/phy/fixed: #if 0 some incomplete code
drivers/net: const-ify ethtool_ops declarations
[PATCH] ethtool: allow const ethtool_ops
[PATCH] sky2: big endian
[PATCH] sky2: fiber support
[PATCH] sky2: tx pause bug fix
drivers/net: Trim trailing whitespace
[PATCH] ehea: IBM eHEA Ethernet Device Driver
...
Manually resolved conflicts in drivers/net/ixgb/ixgb_main.c and
drivers/net/sky2.c related to CHECKSUM_HW/CHECKSUM_PARTIAL changes by
commit 84fa7933a33f806bbbaae6775e87459b1ec584c0 that just happened to be
next to unrelated changes in this update.
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Add the ethtool -S (show statistics) feature to the Spidernet ethernet
driver. I have tested it extensively and believe it is ready to be
applied.
Signed-off-by: James K Lewis <jklewis@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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git://electric-eye.fr.zoreil.com/home/romieu/linux-2.6 into tmp
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Reported by Matt Bockol <mbockol@carleton.edu> to make
its LOM (MSI 965 Neo) work.
Signed-off-by: Francois Romieu <romieu@fr.zoreil.com>
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Code for the EV96100 evaluation board hasn't compiled since at least
November 15, 2003, so it is being deleted as of 2.6.18 due to lack of
a user base.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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