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Use ata_pad_{alloc,free} in two drivers, to factor out common code.
Add ata_pad_{alloc,free} to two other drivers, which needed the padding
but had not been updated.
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A few drivers were not following the standard meme of printing out
their driver name and version at module load time; this is fixed
as well.
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The second argument to ata_qc_complete() was being used for two
purposes: communicate the ATA Status register to the completion
function, and indicate an error. On legacy PCI IDE hardware, the latter
is often implicit in the former. On more modern hardware, the driver
often completely emulated a Status register value, passing ATA_ERR as an
indication that something went wrong.
Now that previous code changes have eliminated the need to use drv_stat
arg to communicate the ATA Status register value, we can convert it to a
mask of possible error classes.
This will lead to more flexible error handling in the future.
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We now depend on ->tf_read() to provide us with the contents
of the Error shadow register.
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trivial iomem annotations + missing memcpy_fromio() caught by those
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Enforce access rules where appropriate.
If the compiler is smart enough, this may buy us an optimization or two
as a side effect.
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This patch adds support for sil_3131 and sil_3531. Both are
identical to 3124 except that they have only one port. Bits 30 and 31
of ata_port_info->host_flags is used to encode available port numbers.
Version number is bumped to 0.22.
Edward Falk supplied all the necessary information and preliminary
patch.
Signed-off-by: Tejun Heo <htejun@gmail.com>
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This patch removes unused NR_PORTS macro and adds termination entry
to sil24_pci_tbl.
Signed-off-by: Tejun Heo <htejun@gmail.com>
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Hello, guys.
This patch implements ->tf_read callback for sil24. It didn't use to
be necessary but new ata_gen_fixed_sense now makes use of ->tf_read
callback. This patch is taken from Edward Falk's driver.
Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
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03_sil24_add-tf-reading.patch
This patch implements proper TF register reading back and
caching and bumps up version to 0.22. This is taken from
Edward's driver.
Signed-off-by: Tejun Heo <htejun@gmail.com>
sata_sil24.c | 50 +++++++++++++++++++++++++++++++++++++++++++++-----
1 file changed, 45 insertions(+), 5 deletions(-)
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
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02_sil24_remove-cmderr-clearing.patch
CMDERR register doesn't need clearing. This is from Edward's
driver.
Signed-off-by: Tejun Heo <htejun@gmail.com>
sata_sil24.c | 4 ----
1 file changed, 4 deletions(-)
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
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01_sil24_ignore-non-error-exception-irqs.patch
Do not error-finish commands for non-error exception irqs -
just ignore them. This is taken from Edward's driver.
Signed-off-by: Tejun Heo <htejun@gmail.com>
sata_sil24.c | 11 ++++++++++-
1 file changed, 10 insertions(+), 1 deletion(-)
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
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sil24 0.20 didn't use to perform (what seems to be) port multiplier
initialization and controller reset 0.10 driver does. This makes some
sil24 controllers malfunction. This patch adds PM initialization and
controller resetting to initilization and bumps version to 0.21.
Please refer to the following thread for more information.
http://marc.theaimsgroup.com/?l=linux-ide&m=112582819830324&w=2
http://marc.theaimsgroup.com/?l=linux-ide&m=112636045531060&w=2
Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
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08_sil24_add-comments-for-constants.patch
Add more comments to constants.
Signed-off-by: Edward Falk
sata_sil24.c | 16 ++++++++--------
1 files changed, 8 insertions(+), 8 deletions(-)
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
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07_sil24_fix-PORT_CTRL_STAT-constants.patch
PORT_CTRL_STAT constants were copied incorrectly from the
preview driver.
Signed-off-by: Edward Falk
sata_sil24.c | 8 ++++----
1 files changed, 4 insertions(+), 4 deletions(-)
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
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06_sil24_remove-pp-port.patch
As ap->ioaddr.cmd_addr isn't used for PORT_TF anymore, replace
pp->port w/ it as AHCI does.
Signed-off-by: Tejun Heo <htejun@gmail.com>
sata_sil24.c | 17 ++++++-----------
1 files changed, 6 insertions(+), 11 deletions(-)
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
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05_sil24_remove-PORT_TF.patch
Remove PORT_TF, as taskfile isn't located at PORT_TF.
Signed-off-by: Tejun Heo <htejun@gmail.com>
sata_sil24.c | 7 +------
1 files changed, 1 insertion(+), 6 deletions(-)
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
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04_sil24_add-error_intr-function.patch
Move error handling from sil24_host_intr into separate
function - sil24_error_intr.
Signed-off-by: Tejun Heo <htejun@gmail.com>
sata_sil24.c | 55 +++++++++++++++++++++++++++++++------------------------
1 files changed, 31 insertions(+), 24 deletions(-)
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
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03_sil24_add-pci-fault-check.patch
On entry to interrupt handler, PORT_SLOT_STAT register is read
first. Check if PCI fault or device removal has occurred by
testing the value for 0xffffffff.
Signed-off-by: Tejun Heo <htejun@gmail.com>
sata_sil24.c | 6 ++++++
1 files changed, 6 insertions(+)
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
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02_sil24_remove-irq-disable-on-spurious-intr.patch
If interrupt occurs on a disabled port, the driver used to
mask the port's interrupt, but we don't know if such action is
necessary yet and that's not what other drives do. So, just
do nothing and tell IRQ subsystem that it's not our interrupt.
Signed-off-by: Tejun Heo <htejun@gmail.com>
sata_sil24.c | 15 +++++----------
1 files changed, 5 insertions(+), 10 deletions(-)
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
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01_sil24_add-FIXME-comment.patch
Add FIXME comment above ata_device_add.
Signed-off-by: Tejun Heo <htejun@gmail.com>
sata_sil24.c | 1 +
1 files changed, 1 insertion(+)
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
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This is rewritten sil24 driver against v2.6.13-rc3.
Rewritten based on driver originally submitted by Silicon Image.
Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
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