| Commit message (Collapse) | Author | Age | Files | Lines |
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ahci can drive the Promise PDC42819, but obviously it can only use SATA
disks connected to this controller. The controller can actually support
SAS disks as well, but we only know how to use it in it's AHCI mode.
Add a message to let users know that because ahci is driving their chip
they can only use the SATA disks connected to this controller.
Signed-off-by: Mark Nelson <mdnelson8@gmail.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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Some places were using PCI_CLASS_REVISION instead of PCI_REVISION_ID, so
they weren't converted by commit 44c10138fd4bbc4b6d6bff0873c24902f2a9da65
(PCI: Change all drivers to use pci_device->revision).
Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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The comment in the driver actually describes HPT37x's timing register layout,
which is different from HPT36x. Fix it and reformat the comment, while at it.
Bump the driver version, accounting for several patches that forgot to do it.
Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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Based on:
http://lkml.indiana.edu/hypermail/linux/kernel/0908.2/01420.html
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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These drivers inherited from the older 'hpt366' IDE driver the buggy timing
register masks in their set_piomode() metods. As a result, too low command
cycle active time is programmed for slow PIO modes. Quite fortunately, it's
later "fixed up" by the set_dmamode() methods which also "helpfully" reprogram
the command timings, usually to PIO mode 4; unfortunately, setting an UltraDMA
mode #N also reprograms already set PIO data timings, usually to MWDMA mode #
max(N, 2) timings...
However, the drivers added some breakage of their own too: the bit that they
set/clear to control the FIFO is sometimes wrong -- it's actually the MSB of
the command cycle setup time; also, setting it in DMA mode is wrong as this
bit is only for PIO actually and clearing it for PIO modes is not needed as
no mode in any timing table has it set...
Fix all this, inverting the masks while at it, like in the 'hpt366' and
'pata_hpt366' drivers; bump the drivers' versions, accounting for recent
patches that forgot to do it...
Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Cc: stable@kernel.org
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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We were never able to get docs for this out of Toshiba for years. Dave
Barnes produced a NetBSD driver however and from that we can fill in the
needed tables.
As we correct the PCI identifiers a bit also update the old ide generic driver
at the same time so it stays compiling.
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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Making the new stuff work broke some of the old chipsets. We need to go
back to the old set up values for these it seems. Unfortunately even with
documentation this is basically a mix of cargoculting and guesswork.
Chased down to the exact line by Gianluca.
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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Daniela Engert pointed out that there are some implementation notes for the
643 and 646 that deal with certain serialization rules. In theory we don't
need them because they apply when the motherboard decides not to retry PCI
requests for long enough and the chip is busy doing a DMA transfer on the
other channel.
The rule basically is "don't touch the taskfile of the other channel while
a DMA is in progress". To implement that we need to
- not issue a command on a channel when there is a DMA command queued
- not issue a DMA command on a channel when there are PIO commands queued
- use the alternative access to the interrupt source so that we do not
touch altstatus or status on shared IRQ.
Updated to remote extra conditional check Bartlomiej noted and to remove
the variables for irq checks as the CMD648 doesn't have the underlying problem.
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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Bartlomiej pointed out that while this got fixed in the old driver whoever
did it didn't port it across.
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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Reported by Mikulas Patocka.
VIA VT82C586B + Transcend TS64GSSD25-M v0826 does not work in UDMA mode
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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In libata-sff, ata_sff_post_internal_cmd() directly calls ata_bmdma_stop()
instead of ap->ops->bmdma_stop(). This can be a problem for controllers
that use their own bmdma_stop for which the generic sff one isn't suitable
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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Add support for the ATA TRIM command in libata. We translate a WRITE SAME 16
command with the unmap bit set into an ATA TRIM command and export enough
information in READ CAPACITY 16 and the block limits EVPD page so that the new
SCSI layer discard support will driver this for us.
Note that I hardcode the WRITE_SAME_16 opcode for now as the patch to introduce
the symbolic is not in 2.6.32 yet but only in the SCSI tree - as soon as it is
merged we can fix it up to properly use the symbolic name.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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If ATA device failed FLUSH, it means that the device failed to write
out some amount of data and the error needs to be reported to upper
layers. As retries can't recover the lost data, FLUSH failures need to
be reported immediately in general.
However, if FLUSH fails due to transmission errors, the FLUSH needs to
be retried; otherwise, filesystems may switch to RO mode and/or raid
array may drop a drive for a random transmission glitch.
This condition can be rather easily reproduced on certain ahci
controllers which go through a PHY event after powersave mode switch +
ext4 combination. Powersave mode switch is often closely followed by
flush from the filesystem failing the FLUSH with ATA bus error which
makes the filesystem code believe that data is lost and drop to RO
mode. This was reported in the following bugzilla bug.
http://bugzilla.kernel.org/show_bug.cgi?id=14543
This patch makes libata EH retry FLUSH if it wasn't failed by the
device.
Signed-off-by: Tejun Heo <tj@kernel.org>
Reported-by: Andrey Vihrov <andrey.vihrov@gmail.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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Enable device hot-plug support on Port multiplier fan-out ports
Signed-off-by: Ashish Kalra <Ashish.Kalra@freescale.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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Alan Cox reported that cable detection sometimes works unreliably
for HPT3xxN and that the issue is fixed by adding debounce delay
as used by the vendor driver.
Sergei Shtylyov also noticed that debounce delay is needed for all
HPT37x and HPT3xxN chipsets according to vendor drivers.
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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The detection was reversed between primary and secondary ports.
Fix it to match hpt366 and the vendor driver.
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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sysfs attributes shouldn't require newlines. Make it possible to set the
link power management policy without a trailing newline.
Signed-off-by: Matthew Garrett <mjg@redhat.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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Signed-off-by: Otavio Salvador <otavio@ossystems.com.br>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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We can use the same ->pre_reset method for all HPT37x chipsets now.
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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I obseved there is a sata_async_notification() for every ahci
interrupt. But the async notification does nothing (this is hard
disk drive and no pmp). This cause cpu wastes some time on sntf
register access.
It appears ICH AHCI doesn't support SNotification register, but the
controller reports it does. After quirking it, the async notification
disappears.
PS. it appears all ICH don't support SNotification register from ICH
manual, don't know if we need quirk all ICH. I don't have machines
with all kinds of ICH.
Signed-off-by: Shaohua Li <shaohua.li@intel.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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The following patch adds MSI support. Some platforms
may have broken MSI, so those are defaulted to use
legacy PCI interrupts.
Signed-off-by: Vivek Mahajan <vivek.mahajan@freescale.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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Remove the experimental tag on Parallel ATA drivers. Though some of the
individual PATA drivers are still marked as experimental, as a group they can
hardly be considered to be, given they've been used in various distros for some
time.
Signed-off-by: Robert Hancock <hancockrwd@gmail.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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Use ARRAY_SIZE macro of kernel api instead.
Signed-off-by: Thiago Farina <tfransosi@gmail.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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In via_init_one, when via_isa_bridges iterator reaches
PCI_DEVICE_ID_VIA_ANON and last but one via_isa_bridges bridge is
found but rev doesn't match, pci_dev_put(isa) is called twice.
Do pci_dev_put only once.
Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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Tested on IXP425 + CS5536.
Signed-off-by: Krzysztof Hałasa <khc@pm.waw.pl>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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Missing _SDD is not an error. Don't treat it as one.
Signed-off-by: Tejun Heo <tj@kernel.org>
Reported-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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* git://git.kernel.org/pub/scm/linux/kernel/git/brodo/pcmcia-2.6: (50 commits)
pcmcia: rework the irq_req_t typedef
pcmcia: remove deprecated handle_to_dev() macro
pcmcia: pcmcia_request_window() doesn't need a pointer to a pointer
pcmcia: remove unused "window_t" typedef
pcmcia: move some window-related code to pcmcia_ioctl.c
pcmcia: Change window_handle_t logic to unsigned long
pcmcia: Pass struct pcmcia_socket to pcmcia_get_mem_page()
pcmcia: Pass struct pcmcia_device to pcmcia_map_mem_page()
pcmcia: Pass struct pcmcia_device to pcmcia_release_window()
drivers/pcmcia: remove unnecessary kzalloc
pcmcia: correct handling for Zoomed Video registers in topic.h
pcmcia: fix printk formats
pcmcia: autoload module pcmcia
pcmcia/staging: update comedi drivers
PCMCIA: stop duplicating pci_irq in soc_pcmcia_socket
PCMCIA: ss: allow PCI IRQs > 255
PCMCIA: soc_common: remove 'dev' member from soc_pcmcia_socket
PCMCIA: soc_common: constify soc_pcmcia_socket ops member
PCMCIA: sa1111: remove duplicated initializers
PCMCIA: sa1111: wrap soc_pcmcia_socket to contain sa1111 specific data
...
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Most of the irq_req_t typedef'd struct can be re-worked quite
easily:
(1) IRQInfo2 was unused in any case, so drop it.
(2) IRQInfo1 was used write-only, so drop it.
(3) Instance (private data to be passed to the IRQ handler):
Most PCMCIA drivers using pcmcia_request_irq() to actually
register an IRQ handler set the "dev_id" to the same pointer
as the "priv" pointer in struct pcmcia_device. Modify the two
exceptions (ipwireless, ibmtr_cs) to also work this waym and
set the IRQ handler's "dev_id" to p_dev->priv unconditionally.
(4) Handler is to be of type irq_handler_t.
(5) Handler != NULL already tells whether an IRQ handler is present.
Therefore, we do not need the IRQ_HANDLER_PRESENT flag in
irq_req_t.Attributes.
CC: netdev@vger.kernel.org
CC: linux-bluetooth@vger.kernel.org
CC: linux-ide@vger.kernel.org
CC: linux-wireless@vger.kernel.org
CC: linux-scsi@vger.kernel.org
CC: alsa-devel@alsa-project.org
CC: Jaroslav Kysela <perex@perex.cz>
CC: Jiri Kosina <jkosina@suse.cz>
CC: Karsten Keil <isdn@linux-pingi.de>
for the Bluetooth parts: Acked-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
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ide-cs.c is the only PCMCIA device driver making use of CONFIG_PCMCIA_DEBUG,
so convert it to use the dynamic debug infrastructure.
Also, remove all usages of the CS_CHECK macro and replace them with proper
Linux style calling and return value checking. The extra error reporting may
be dropped, as the PCMCIA core already complains about any (non-driver-author)
errors.
CC: linux-ide@vger.kernel.org
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
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Split sata_fsl_softreset() into hard and soft resets to make
error-handling more efficient & device and PMP detection more
reliable.
Also includes fix for PMP support, driver tested with Sil3726,
Sil4726 & Exar PMP controllers.
[AV: Also fixes resuming from deep sleep on MPC8315 CPUs]
Signed-off-by: Jiang Yutang <b14898@freescale.com>
Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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Just remove redundant device ID for VIA VT8261.
The device ID 0x9000 and 0x9040 are redundant (for VT8261).
The 0x9040 is reserved for other usage.
Signed-off-by: Joseph Chan <josephchan@via.com.tw>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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In each case, if the NULL test on qc is needed, then the derefernce
should be after the NULL test.
A simplified version of the semantic match that detects this problem is as
follows (http://coccinelle.lip6.fr/):
// <smpl>
@match exists@
expression x, E;
identifier fld;
@@
* x->fld
... when != \(x = E\|&x\)
* x == NULL
// </smpl>
Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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Like the Asus M2A-VM, MSI's K9A2 Platinum (MS-7376) can also support 64bit
DMA. It is a new enough board that all the BIOS releases work correctly with
64bit DMA enabled.
Signed-off-by: Mark Nelson <mdnelson8@gmail.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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Use excl_link when non NCQ commands are defered, to be sure they are processed
as soon as outstanding commands are completed. It prevents some commands to be
defered indifinitely when using a port multiplier.
Signed-off-by: Gwendal Grignou <gwendal@google.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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The SC1200 needs a NULL terminator or it may cause a crash on boot.
Bug #14227
Also correct a bogus comment as the driver had serializing added so can run
dual port.
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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When an internal command fails, it should be failed directly without
invoking EH. In the original implemetation, this was accomplished by
letting internal command bypass failure handling in ata_qc_complete().
However, later changes added post-successful-completion handling to
that code path and the success path is no longer adequate as internal
command failure path. One of the visible problems is that internal
command failure due to timeout or other freeze conditions would
spuriously trigger WARN_ON_ONCE() in the success path.
This patch updates failure path such that internal command failure
handling is contained there.
Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: stable@kernel.org
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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Commit 842faa6c1a1d6faddf3377948e5cf214812c6c90 fixed error handling
during attach by not committing detected device class to dev->class
while attaching a new device. However, this change missed the PMP
class check in the configuration loop causing a new PMP device to go
through ata_dev_configure() as if it were an ATA or ATAPI device.
As PMP device doesn't have a regular IDENTIFY data, this makes
ata_dev_configure() tries to configure a PMP device using an invalid
data. For the most part, it wasn't too harmful and went unnoticed but
this ends up clearing dev->flags which may have ATA_DFLAG_AN set by
sata_pmp_attach(). This means that SATA_PMP_FEAT_NOTIFY ends up being
disabled on PMPs and on PMPs which honor the flag breaks hotplug
support.
This problem was discovered and reported by Ethan Hsiao.
Signed-off-by: Tejun Heo <tj@kernel.org>
Reported-by: Ethan Hsiao <ethanhsiao@jmicron.com>
Cc: stable@kernel.org
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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prereset doesn't bring link online if hardreset is about to happen and
nv_hardreset() may skip if conditions are not right so softreset may
be entered with non-working link status if the system firmware didn't
bring it up before entering OS code which can happen during resume.
This patch makes nv_hardreset() to bring up the link if it's skipping
reset.
This bug was reported by frodone@gmail.com in the following bug entry.
http://bugzilla.kernel.org/show_bug.cgi?id=14329
Signed-off-by: Tejun Heo <tj@kernel.org>
Reported-by: frodone@gmail.com
Cc: stable@kernel.org
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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This patch renames the code name SB900 into Hudson-2
Signed-off-by: Shane Huang <shane.huang@amd.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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Add the generic device ID for NVIDIA AHCI controller.
Signed-off-by: Peer Chen <peerchen@gmail.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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Fix the VT6330 issue, it's because the rev_max of VT6330 exceeds 0x2f.
The VT6415 and VT6330 share the same device ID.
Signed-off-by: Joseph Chan <josephchan@via.com.tw>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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Commit f80ae7e45a0e03da188494c6e947a5c8b0cdfb4a
ahci: filter FPDMA non-zero offset enable for Aspire 3810T
breaks the current git build for configurations that don't define
CONFIG_ATA_ACPI.
This adds an ifdef wrapper to ahci_gtf_filter_workaround.
Signed-off-by: Markus Trippelsdorf <markus@trippelsdorf.de>
Acked-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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Cc: Jung-Ik (John) Lee <jilee@google.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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* use 8 clk setting for active clocks == 7 (was 12 clk)
* use 12 clk setting for active clocks > 12 (was 8 clk)
* do 66MHz bus fixup before mapping active clocks
* fix setup of PIO command timings
Acked-by: Jung-Ik (John) Lee <jilee@google.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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Signed-off-by: John(Jung-Ik) Lee <jilee@google.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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MWDMA modes are not supported by this driver currently.
Acked-by: Jung-Ik (John) Lee <jilee@google.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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While trying to work around spurious detection retries for
non-existent devices on slave links, commit
816ab89782ac139a8b65147cca990822bb7e8675 incorrectly added link
offline check logic before ata_eh_thaw() was called. This means that
if an occupied link goes down briefly at the time that offline check
was performed, device class will be cleared to ATA_DEV_NONE and libata
wouldn't retry thus failing detection of the device.
The offline check should be done after the port is thawed together
with online check so that such link glitches can be detected by the
interrupt handler and handled properly.
Signed-off-by: Tejun Heo <tj@kernel.org>
Reported-by: Tim Blechmann <tim@klingt.org>
Cc: stable@kernel.org
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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Curiously, Aspire 3810T issues many SATA feature enable commands via
_GTF, of which one is invalid and another is not supported by the
drive. In the process, it also enables FPDMA non-zero offset.
However, the feature also needs to be supported and enabled from the
controller and it's wrong to enable it from _GTF unless the controller
can do it by default.
Currently, this ends up enabling FPDMA non-zero offset only on the
drive side leading to NCQ command failures and eventual disabling of
NCQ. This patch makes libata filter out FPDMA non-zero offset enable
for the machine.
This was reported by Marcus Meissner in bnc#522790.
https://bugzilla.novell.com/show_bug.cgi?id=522790
Reported-by: Marcus Meissner <meissner@novell.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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