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Convert sata_via and sata_promise to new init model. Both controllers
can have combined configuration (SATA + PATA) and used twisted
initialization method (modifying port in ->port_start) to overcome
probe_ent limitations.
This patch converts both drivers to new init model in which such
configuration is natively supported.
* promise: Combined pata port now uses separate port_info entry right
after the sata counterpart entry.
* promise: Controller configuration is discerned using ap->flags.
This simplifies init path and makes it look more like other LLDs.
* via: Both SATA and PATA ports in vt6421 are represented in their
own port_info structure.
Tested on PDC20375 (SATA150 TX2plus) [105a:3375] and PDC40775 (SATA
300 TX2plus) [105a:3d73]. Couldn't test via cuz my c3 won't boot the
current kernel.
Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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All patches authored and signed-off-by Alan Cox, sent on Mar 7, 2007.
I merely combined them all into a single patch.
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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Bump versions based on changes submitted during 2.6.21 merge window.
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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No code changes.
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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Conversion to resource-managed iomap was buggy causing init failures
on both vt6420 and 6421 - BAR5 wasn't mapped for both controllers
while on vt6420 sata_via tried to map BAR0-4 twice. Fix it.
Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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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>
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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>
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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>
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Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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Most of these contributed by that mysterious figger known as A.C.
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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Call ata_bmdma_irq_clear() directly instead of through
ap->ops->irq_clear() according to libata style guideline.
Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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vt6420 completely loses its ability to raise IRQ for ATAPI devices if
ATA_NIEN is diddled with in ->freeze. Further investigation is
necessary to determine whether this problem is shared on other
controllers but it doesn't seem to be at this point.
Make vt6420's ->freeze only clear IRQ to fix this problem. This makes
vt6420 relatively more prone to IRQ storms but the controller is way
too braindamaged to worry about that anyway.
Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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Add PCI ID 0x5337 to supported PCI ID. This is VT8237 in IDE mode.
Signed-off-by: Luca Pedrielli <luca.pedrielli@barradev.it>
Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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Spotted by Martin Devera.
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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* 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>
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Noticed by several people.
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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The biggest change is that ata_host_set is renamed to ata_host.
* ata_host_set => ata_host
* ata_probe_ent->host_flags => ata_probe_ent->port_flags
* ata_probe_ent->host_set_flags => ata_probe_ent->_host_flags
* ata_host_stats => ata_port_stats
* ata_port->host => ata_port->scsi_host
* ata_port->host_set => ata_port->host
* ata_port_info->host_flags => ata_port_info->flags
* ata_(.*)host_set(.*)\(\) => ata_\1host\2()
The leading underscore in ata_probe_ent->_host_flags is to avoid
reusing ->host_flags for different purpose. Currently, the only user
of the field is libata-bmdma.c and probe_ent itself is scheduled to be
removed.
ata_port->host is reused for different purpose but this field is used
inside libata core proper and of different type.
Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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This patch adds support for the VIA Technologies VT8237A SATA controller,
used, for example, on the ASUS M2V socket AM2 motherboard.
Signed-off-by: Jay Cliburn <jacliburn@bellsouth.net>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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Tejun Heo
Jeff Garzik
Akira Iguchi
Alan
Luca Pedrielli
Jay Cliburn