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32-bit sparc just needed it to register the ioport procfs bits, do this
via an arch_initcall() instead.
Signed-off-by: David S. Miller <davem@davemloft.net>
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Unused.
Signed-off-by: David S. Miller <davem@davemloft.net>
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No drivers or code uses this stuff any more, every driver has been
converted over to OF device probing.
Signed-off-by: David S. Miller <davem@davemloft.net>
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All the drivers use OF device objects now for this
information.
Signed-off-by: David S. Miller <davem@davemloft.net>
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IRQs are obtained by drivers from the of_device struct.
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: David S. Miller <davem@davemloft.net>
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This is in preparation for the subsequent asm/sbus.h removal.
Also, make these routines take a "struct device" or no
arguments, as appropriate.
Signed-off-by: David S. Miller <davem@davemloft.net>
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And all the SBUS dma interfaces are deleted.
A private implementation remains inside of the 32-bit sparc port which
exists only for the sake of the implementation of dma_*().
Signed-off-by: David S. Miller <davem@davemloft.net>
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This is the first step in converting all the SBUS drivers
over to generic dma_*().
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: David S. Miller <davem@davemloft.net>
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This thing was completely pointless.
Just find the OF device in the parent of drivers that want to program
this device, and map the DMA regs inside such drivers too.
This also moves the dummy claim_dma_lock() and release_dma_lock()
implementation to floppy_32.h, which makes it handle this issue
just like floppy_64.h does.
Signed-off-by: David S. Miller <davem@davemloft.net>
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This has been marked BROKEN for a long time and it's more likely
to get rewritten from scratch than to be fixed up and made usable.
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: David S. Miller <davem@davemloft.net>
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This is a PIC16F747 based controller that monitors and consolidates
the hardware access to various fan and temperature values reported by
adr7462 and similar devices behind an I2C bus.
Signed-off-by: David S. Miller <davem@davemloft.net>
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The acer_wmi driver does a DMI scan for quirks, and then sets flags into the
"interface" datastructure for some cases. However, the quirks happen real early
before "interface" is per se initialized from NULL.
The patch below 1) adds a NULL pointer check and 2) (re)runs the quirks at the
end, when "interface" has it's final value.
Reported-by: kerneloops.org
Acked-by: Carlos Corbacho <carlos@strangeworlds.co.uk>
CC: stable@vger.kernel.org
Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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This patch lets the files using linux/version.h match the files that
#include it.
Signed-off-by: Adrian Bunk <bunk@kernel.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-dev
* 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-dev:
[libata] pata_it821x: fix warning
libata: Fix a large collection of DMA mode mismatches
ahci: sis controllers actually can do PMP
pata_via: clean up recent tf_load changes
libata: restore SControl on detach
libata: use ata_link_printk() when printing SError
libata: always do follow-up SRST if hardreset returned -EAGAIN
libata: fix EH action overwriting in ata_eh_reset()
sata_mv: add the Gen IIE flag to the SoC devices.
ata_piix: IDE Mode SATA patch for Intel Ibex Peak DeviceIDs
ahci: RAID mode SATA patch for Intel Ibex Peak DeviceIDs
sata_mv: don't issue two DMA commands concurrently
libata: implement no[hs]rst force params
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git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband:
IPoIB: Fix deadlock on RTNL in ipoib_stop()
IB/ipath: Fix incorrect check for max physical address in TID
IB/ipath: Fix lost UD send work request
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Reported by Andrew Morton:
drivers/ata/pata_it821x.c: In function 'it821x_port_start':
drivers/ata/pata_it821x.c:609: warning: 'mtype' may be used uninitialized in
this function
Pretty horrid fix, but so's a warning..
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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Dave Müller sent a diff for the pata_oldpiix that highlighted a problem
where a lot of the ATA drivers assume dma_mode == 0 means "no DMA" while
the core code uses 0xFF.
This turns out to have other consequences such as code doing >= XFER_UDMA_0
also catching 0xFF as UDMAlots. Fortunately it doesn't generally affect
set_dma_mode, although some drivers call back into their own set mode code
from other points.
Having been through the drivers I've added helpers for using_udma/using_mwdma
dma_enabled so that people don't open code ranges that may change (eg if UDMA8
appears somewhere)
Thanks to David for the initial bits
[and added fix for pata_oldpiix from and signed-off-by Dave Mueller
<dave.mueller@gmx.ch> -jg]
Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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SIS controllers were blacklisted for PMP as enabling it made device
detection fail whether the device was PMP or not - the natural
conclusion was the controller chokes on SRST w/ pmp==15. However, it
turned out that the controller just didn't like issuing SRST after
hardreset w/o clearing SError first. Interestingly, the SRST itself
succeeds but the following commands fail.
If SError is cleared between hardreset and SRST, which is the default
behavior now, everything works fine and SIS controllers work with PMPs
happily.
Remove PMP blacklisting for SIS AHCIs.
Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: Piter PUNK <piterpunk@slackware.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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Commit bfce5e0179ad059035df28558724ff60af708e09 implemented custom
tf_load for pata_via. This patch cleans it up a bit.
* Instead of duplicating whole body, copy tf and set ATA_TFLAG_DEVICE
when necessary.
* Rename via_ata_tf_load() to via_tf_load().
* No need to set .tf_load in via_port_ops_noirq as it inherits from
via_port_ops.
* Clean up indentation.
Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: Joseph Chan <JosephChan@via.com.tw>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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Save SControl during probing and restore it on detach. This prevents
adjustments made by libata drivers to seep into the next driver which
gets attached (be it a libata one or not).
It's not clear whether SControl also needs to be restored on suspend.
The next system to have control (ACPI or kexec'd kernel) would
probably like to see the original SControl value but there's no
guarantee that a link is gonna keep working after SControl is adjusted
without a reset and adding a reset and modified recovery cycle soley
for this is an overkill. For now, do it only for detach.
Signed-off-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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SError belongs to link not port. Use ata_link_printk() to print it.
Signed-off-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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As an optimization, follow-up SRST used to be skipped if
classification wasn't requested even when hardreset requested it via
-EAGAIN. However, some hardresets can't wait for device readiness and
skipping SRST can cause timeout or other failures during revalidation.
Always perform follow-up SRST if hardreset returns -EAGAIN. This
makes reset paths more predictable and thus less error-prone.
While at it, move hardreset error checking such that it's done right
after hardreset is finished. This simplifies followup SRST condition
check a bit and makes the reset path easier to modify.
Signed-off-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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ehc->i.action got accidentally overwritten to ATA_EH_HARD/SOFTRESET in
ata_eh_reset(). The original intention was to clear reset action
which wasn't selected. This can cause unexpected behavior when other
EH actions are scheduled together with reset. Fix it.
Signed-off-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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The SoC sata port is based on the 7042/6042 devices (Gen IIE). This patch
will fix various issues when working with PMP and/or NCQ.
Signed-off-by: Saeed Bishara <saeed@marvell.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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This patch adds the Intel Ibex Peak (PCH) IDE mode SATA Controller DeviceIDs.
Signed-off-by: Seth Heasley <seth.heasley@intel.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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Resend with proper whitespace.
This patch adds the Intel Ibex Peak (PCH) SATA RAID Controller DeviceIDs.
Signed-off-by: Seth Heasley <seth.heasley@intel.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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sata_mv allowed issuing two DMA commands concurrently which the
hardware allows. Unfortunately, libata core layer isn't ready for
this yet and spews ugly warning message and malfunctions on this.
Don't allow concurrent DMA commands for now.
Signed-off-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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Implement force params nohrst, nosrst and norst. This is to work
around reset related problems and ease debugging.
Signed-off-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core-2.6:
pnp: fix "add acpi:* modalias entries"
UIO: generic irq handling for some uio platform devices
UIO: uio_pdrv: fix license specification
UIO: uio_pdrv: fix memory leak
block: drop references taken by class_find_device()
block: fix partial read() of /proc/{partitions,diskstats}
PM: Remove WARN_ON from device_pm_add
driver core: add init_name to struct device
PM: don't skip device PM init when CONFIG_PM_SLEEP isn't set and CONFIG_PM is set
driver model: anti-oopsing medicine
dev_printk(): constify the `dev' argument
drivers/base/driver.c: remove unused to_dev() macro
Documentation: HOWTO-ja_JP-sync patch
Japanese translation of Documentation/SubmitChecklist
kobject: Replace ALL occurrences of '/' with '!' instead of only the first one.
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* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6:
USB: sisusbvga: add USB ID for 0711:0918 Magic Control Technology Corp.
USB: automatically enable RHSC interrupts
USB: Don't rebind before "complete" callback
USB: Add new PM callback methods for USB
USB: Defer Set-Interface for suspended devices
USB: Add udev argument to interface suspend/resume functions
USB: cdc-acm: don't unlock acm->mutex on error path
MUSB: Fix index register corruption seen with g_ether and Windows host
usb: musb: get rid of MUSB_LOGLEVEL and use parameter
usb: musb: get rid of procfs entry
USB: Fix pxa27x_udc usb speed handling.
USB: cdc-acm: quirk for Conexant CX93010 USB modem
USB: fix bug in usb_unlink_anchored_urbs()
usb-serial: option support HSDPA modem A2502
USB: ISP1760: fixed trivial math in comment
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Concurrently adding the same segment may lead to duplicate device_register()
calls, which will trigger an error in kobject code:
"... don't try to register things with the same name in the same directory".
This patch adds a check to avoid this.
Signed-off-by: Gerald Schaefer <gerald.schaefer@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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Calling a ccw driver's notify function without the ccw device lock
held opens up a race window between discovery and handling of a change
in the device operational state. As a result, the device driver may
encounter unexpected device malfunction, leading to out-of-retry
situations or similar.
Remove race by extending the ccw device lock from state change
discovery to the calling of the notify function.
Signed-off-by: Peter Oberparleiter <peter.oberparleiter@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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The Perform Subsystem Function/Prepare for Read Subsystem Data
command requires 12 bytes of parameter data, but the respective data
structure dasd_psf_prssd_data has a length of 16 bytes.
Current storage servers ignore the obsolete bytes, but older models
fail to execute the command and report an incorrect length error.
This causes the device initilization for these devices to fail.
To fix this problem we need to correct the dasd_psf_prssd_data
structure and shorten it to the correct length.
Reported-by: Ivan Warren <ivan@vmfacility.fr>
Reviewed-by: Ivan Warren <ivan@vmfacility.fr>
Tested-by: Ivan Warren <ivan@vmfacility.fr>
CC: stable <stable@kernel.org>
Signed-off-by: Stefan Weinhuber <wein@de.ibm.com>
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Fix ccw group device initialization: initialize device object before
using reference counting during cleanup.
Fixes the following message when group device initialization fails
(e.g. because too few devices where specified):
kobject: '<NULL>' (..): is not initialized, yet kobject_put() is
being called.
Signed-off-by: Peter Oberparleiter <peter.oberparleiter@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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Increasing the qdio reference count for every used subchannel
is unnecessary since unloading qdio (if build as a module) is
only possible if other modules that use qdio are unloaded.
Unloading modules that use qdio in turn requires that these
modules shut down all qdio subchannels. Therefore the additional
module_get reference is not needed.
Signed-off-by: Jan Glauber <jang@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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Improve s390 debug feature usage:
- log busy bit in dbf
- increase size of dbf views
- consistent logging of qdio api calls to setup view
- print subchannel number so one can associate the interface
with the dbf data
- only log events to one view
Signed-off-by: Jan Glauber <jang@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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If qdio_establish fails we call qdio_shutdown to cleanup the
qdio subchannel. The tiq_list entry may not be valid at that
time, therefore we must ignore queues with an invalid list entry
in tiqdio_remove_input_queues.
Signed-off-by: Jan Glauber <jang@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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