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needs a changelog
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Acked-by: Russell King <rmk+kernel@arm.linux.org.uk>
Cc: Jeff Garzik <jeff@garzik.org>
Cc: Tejun Heo <htejun@gmail.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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blacklisting flaws
Signed-off-by: Alan Cox <alan@redhat.com>
Cc: Jeff Garzik <jeff@garzik.org>
Cc: Tejun Heo <htejun@gmail.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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This patch adds support for ADMA mode on NVIDIA nForce4 (CK804/MCP04) SATA
controllers to the sata_nv driver. Benefits of ADMA mode include:
- NCQ support
- Reduced CPU overhead (controller DMAs command information from memory
instead of them being pushed in by the CPU)
- Full 64-bit DMA support
ADMA mode is enabled by default in this version. To disable it, set the
module parameter adma_enabled=0.
Signed-off-by: Robert Hancock <hancockr@shaw.ca>
Cc: Jeff Garzik <jeff@garzik.org>
Cc: Tejun Heo <htejun@gmail.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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- use pci_iomap() [Alan, version 0.0.5t]
- fix Alan's version 0.0.5t change
- line length, trailing whitespace, case indentation cleanups
- don't use deprecated ->eng_timeout() in a driver that uses new EH
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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This is a legacy mode PATA driver for the 6101/45 and will also drive
the SATA ports 1 & 2 in legacy mode as well if desired. Tested and
confirmed working by users. The chip supports AHCI type behaviour for
SATA and has a more advanced PATA interface as well so this driver will
get it working but not get best performance for now.
Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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pci_module_init() conversion for pata_pdc2027x
Signed-off-by: Henrik Kretzschmar <henne@nachtwindheim.de>
Acked-by: Alan Cox <alan@redhat.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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detection
[deweerdt@free.fr: build fix]
Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Frederik Deweerdt <deweerdt@free.fr>
Cc: Tejun Heo <htejun@gmail.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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Acked-by: Alan Cox <alan@redhat.com> but please apply as follows to keep
revision id straight
Cc: Henrik Kretzschmar <henne@nachtwindheim.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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pci_module_init convertion in ata_generic.c.
Signed-off-by: Henrik Kretzschmar <henne@nachtwindheim.de>
Acked-by: Alan Cox <alan@lxorguk.ukuu.org.uk>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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Winbond 83759A support in non-multichip mode (afaik nobody ever used
multichip mode anyway). The 83759 is not supported by this driver as it
is already handled elsewhere and doens't use the same interfaces.
Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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* master.kernel.org:/pub/scm/linux/kernel/git/wim/linux-2.6-watchdog:
[WATCHDOG] MIPS RM9000 on-chip watchdog device - patch 4
[WATCHDOG] MIPS RM9000 on-chip watchdog device - patch 3
[WATCHDOG] MIPS RM9000 on-chip watchdog device - patch 2
[WATCHDOG] MIPS RM9000 on-chip watchdog device - patch 1
[WATCHDOG] MIPS RM9000 on-chip watchdog device
[WATCHDOG] Add iTCO vendor specific support
[WATCHDOG] sc1200wdt.c pnp unregister fix.
[WATCHDOG] config.h removal
[WATCHDOG] NS pc87413-wdt Watchdog driver - fixes
[WATCHDOG] NS pc87413-wdt Watchdog driver v1.1
[WATCHDOG] NS pc87413-wdt Watchdog driver
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master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/libata-dev
* 'upstream-linus' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/libata-dev:
[PATCH] libata: add missing sht->slave_destroy
[PATCH] ahci: ignore PORT_IRQ_IF_ERR on JMB controllers
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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: (25 commits)
IB/ucm: Fix deadlock in cleanup
IB/cm: Fix automatic path migration support
IPoIB: Fix skb leak when freeing neighbour
IB/srp: Fix memory leak on reconnect
RDMA/addr: list_move() cleanups
RDMA/addr: Fix some cancellation problems in process_req()
RDMA/amso1100: Prevent deadlock in destroy QP
IB/mthca: Fix initial SRQ logsize for mem-free HCAs
IB/ehca: Use WQE offset instead of WQE addr for pending work reqs
RDMA/iwcm: Fix comment for iwcm_deref_id() to match code
RDMA/iwcm: Remove unnecessary function argument
RDMA/iwcm: Remove unnecessary initializations
RDMA/iwcm: Fix memory leak
RDMA/iwcm: Fix memory corruption bug in cm_work_handler()
IB: Convert kmem_cache_t -> struct kmem_cache
IB/ipath: Fix typo in pma_counter_select subscript
RDMA/amso1100: Fix section mismatches
IB/mthca: Fix section mismatches
IB/srp: Increase supported CDB size
RDMA/cm: Remove setting local write as part of QP access flags
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* master.kernel.org:/pub/scm/linux/kernel/git/gregkh/usb-2.6: (103 commits)
usbcore: remove unused argument in autosuspend
USB: keep count of unsuspended children
USB hub: simplify remote-wakeup handling
USB: struct usb_device: change flag to bitflag
OHCI: make autostop conditional on CONFIG_PM
USB: Add autosuspend support to the hub driver
EHCI: Fix root-hub and port suspend/resume problems
USB: create a new thread for every USB device found during the probe sequence
USB: add driver for the USB debug devices
USB: added dynamic major number for USB endpoints
USB: pegasus error path not resetting task's state
USB: endianness fix for asix.c
USB: build the appledisplay driver
USB serial: replace kmalloc+memset with kzalloc
USB: hid-core: canonical defines for Apple USB device IDs
USB: idmouse cleanup
USB: make drivers/usb/core/driver.c:usb_device_match() static
USB: lh7a40x_udc remove double declaration
USB: pxa2xx_udc recognizes ixp425 rev b0 chip
usbtouchscreen: add support for DMC TSC-10/25 devices
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* master.kernel.org:/pub/scm/linux/kernel/git/gregkh/pci-2.6: (28 commits)
PCI: make arch/i386/pci/common.c:pci_bf_sort static
PCI: ibmphp_pci.c: fix NULL dereference
pciehp: remove unnecessary pci_disable_msi
pciehp: remove unnecessary free_irq
PCI: rpaphp: change device tree examination
PCI: Change memory allocation for acpiphp slots
i2c-i801: SMBus patch for Intel ICH9
PCI: irq: irq and pci_ids patch for Intel ICH9
PCI: pci_{enable,disable}_device() nestable ports
PCI: switch pci_{enable,disable}_device() to be nestable
PCI: arch/i386/kernel/pci-dma.c: ioremap balanced with iounmap
pci/i386: style cleanups
PCI: Block on access to temporarily unavailable pci device
pci: fix __pci_register_driver error handling
pci: clear osc support flags if no _OSC method
acpiphp: fix missing acpiphp_glue_exit()
acpiphp: fix use of list_for_each macro
Altix: Initial ACPI support - ROM shadowing.
Altix: SN ACPI hotplug support.
Altix: Add initial ACPI IO support
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* master.kernel.org:/pub/scm/linux/kernel/git/gregkh/driver-2.6: (36 commits)
Driver core: show drivers in /sys/module/
Documentation/driver-model/platform.txt update/rewrite
Driver core: platform_driver_probe(), can save codespace
driver core: Use klist_remove() in device_move()
driver core: Introduce device_move(): move a device to a new parent.
Driver core: make drivers/base/core.c:setup_parent() static
driver core: Introduce device_find_child().
sysfs: sysfs_write_file() writes zero terminated data
cpu topology: consider sysfs_create_group return value
Driver core: Call platform_notify_remove later
ACPI: Change ACPI to use dev_archdata instead of firmware_data
Driver core: add dev_archdata to struct device
Driver core: convert sound core to use struct device
Driver core: change mem class_devices to be real devices
Driver core: convert fb code to use struct device
Driver core: convert firmware code to use struct device
Driver core: convert mmc code to use struct device
Driver core: convert ppdev code to use struct device
Driver core: convert PPP code to use struct device
Driver core: convert cpuid code to use struct device
...
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* git://git.kernel.org/pub/scm/linux/kernel/git/bunk/trivial:
Fix typos in drivers/isdn/hisax/isdnl2.c
Fix typos in doc and comments
BUG_ON conversion for fs/aio.c
BUG_ON conversion for drivers/mmc/omap.c
BUG_ON conversion for drivers/media/video/pwc/pwc-if.c
Fix misc .c/.h comment typos
Fix misc Kconfig typos
Fix typos in /Documentation : Misc
Fix typos in /Documentation : 'U-Z'
Fix typos in /Documentation : 'T''
Fix jiffies.h comment
tabify MAINTAINERS
fix spelling error in include/linux/kernel.h
mqueue.h: don't include linux/types.h
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This defines a new platform_driver_probe() method allowing the driver's
probe() method, and its support code+data, to safely live in __init
sections for typical system configurations.
Many system-on-chip processors could benefit from this API, to the tune
of recovering hundreds to thousands of bytes per driver. That's memory
which is currently wasted holding code which can never be called after
system startup, yet can not be removed. It can't be removed because of
the linkage requirement that pointers to init section code (like, ideally,
probe support) must not live in other sections (like driver method tables)
after those pointers would be invalid.
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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As pointed out by Alan Stern, device_move needs to use klist_remove which waits
until removal is complete.
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Cc: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Provide a function device_move() to move a device to a new parent device. Add
auxilliary functions kobject_move() and sysfs_move_dir().
kobject_move() generates a new uevent of type KOBJ_MOVE, containing the
previous path (DEVPATH_OLD) in addition to the usual values. For this, a new
interface kobject_uevent_env() is created that allows to add further
environmental data to the uevent at the kobject layer.
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Acked-by: Kay Sievers <kay.sievers@vrfy.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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This patch makes the needlessly global setup_parent() static.
Signed-off-by: Adrian Bunk <bunk@stusta.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Introduce device_find_child() to match device_for_each_child().
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Take return value of sysfs_create_group() into account. That function got
called in case of CPU_ONLINE notification. Since callbacks are not allowed
to fail on CPU_ONLINE notification do the sysfs group creation on
CPU_UP_PREPARE notification.
Also remember if creation succeeded in a bitmask. So it's possible to know
whether it's legal to call sysfs_remove_group or not.
In addition some other minor stuff:
- since CPU_UP_PREPARE might fail add CPU_UP_CANCELED handling as well.
- use hotcpu_notifier instead of register_hotcpu_notifier.
- #ifdef code that isn't needed in the !CONFIG_HOTPLUG_CPU case.
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Acked-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Move the call to platform_notify_remove() to after the call to
bus_remove_device(), where it belongs. It's bogus to notify the platform
of removal while drivers are still attached to the device and possibly
still operating since the platform might use this callback to tear down
some resources used by the driver (ACPI bits, iommu table, ...)
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: "Brown, Len" <len.brown@intel.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Change ACPI to use dev_archdata instead of firmware_data
This patch changes ACPI to use the new dev_archdata on i386, x86_64
and ia64 (is there any other arch using ACPI ?) to store it's
acpi_handle.
It also removes the firmware_data field from struct device as this
was the only user.
Only build-tested on x86
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Len Brown <lenb@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Converts from using struct "class_device" to "struct device" making
everything show up properly in /sys/devices/ with symlinks from the
/sys/class directory.
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Converts from using struct "class_device" to "struct device" making
everything show up properly in /sys/devices/ with symlinks from the
/sys/class directory.
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Converts from using struct "class_device" to "struct device" making
everything show up properly in /sys/devices/ with symlinks from the
/sys/class directory.
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Converts from using struct "class_device" to "struct device" making
everything show up properly in /sys/devices/ with symlinks from the
/sys/class directory.
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Converts from using struct "class_device" to "struct device" making
everything show up properly in /sys/devices/ with symlinks from the
/sys/class directory.
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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As class_device is going away eventually...
Cc: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Converts from using struct "class_device" to "struct device" making
everything show up properly in /sys/devices/ with symlinks from the
/sys/class directory.
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Converts from using struct "class_device" to "struct device" making
everything show up properly in /sys/devices/ with symlinks from the
/sys/class directory.
Also fixes up the isdn drivers that were putting something in the class
device's directory.
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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This also ment that some of the misc drivers had to also be fixed
up as they were assuming the device was a class_device.
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Converts from using struct "class_device" to "struct device" making
everything show up properly in /sys/devices/ with symlinks from the
/sys/class directory.
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Converts from using struct "class_device" to "struct device" making
everything show up properly in /sys/devices/ with symlinks from the
/sys/class directory.
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Turn off class symlinks CONFIG_SYSFS_DEPRECATED is enabled.
Signed-off-by: Kay Sievers <kay.sievers@vrfy.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Disable the PHYSDEV* uevent variables if CONFIG_SYSFS_DEPRECATED is
enabled.
Signed-off-by: Kay Sievers <kay.sievers@vrfy.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Turn off device symlinks CONFIG_SYSFS_DEPRECATED is enabled.
Signed-off-by: Kay Sievers <kay.sievers@vrfy.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Turn off the bus symlinks if CONFIG_SYSFS_DEPRECATED is enabled
Signed-off-by: Kay Sievers <kay.sievers@vrfy.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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If CONFIG_SYSFS_DEPRECATED is enabled, old versions of udev will work
properly with devices that are associated with a class.
Cc: Kay Sievers <kay.sievers@vrfy.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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It doesn't need to be global or in device.h
Cc: Kay Sievers <kay.sievers@vrfy.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Create the "driver" link before the child device may be created by
the probing logic. This makes it possible for userspace (udev), to
determine the driver property of the parent device, at the time the
child device is created.
Signed-off-by: Kay Sievers <kay.sievers@novell.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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I finally did as you suggested and added the notifier to the struct
bus_type itself. There are still problems to be expected is something
attaches to a bus type where the code can hook in different struct
device sub-classes (which is imho a big bogosity but I won't even try to
argue that case now) but it will solve nicely a number of issues I've
had so far.
That also means that clients interested in registering for such
notifications have to do it before devices are added and after bus types
are registered. Fortunately, most bus types that matter for the various
usage scenarios I have in mind are registerd at postcore_initcall time,
which means I have a really nice spot at arch_initcall time to add my
notifiers.
There are 4 notifications provided. Device being added (before hooked to
the bus) and removed (failure of previous case or after being unhooked
from the bus), along with driver being bound to a device and about to be
unbound.
The usage I have for these are:
- The 2 first ones are used to maintain a struct device_ext that is
hooked to struct device.firmware_data. This structure contains for now a
pointer to the Open Firmware node related to the device (if any), the
NUMA node ID (for quick access to it) and the DMA operations pointers &
iommu table instance for DMA to/from this device. For bus types I own
(like IBM VIO or EBUS), I just maintain that structure directly from the
bus code when creating the devices. But for bus types managed by generic
code like PCI or platform (actually, of_platform which is a variation of
platform linked to Open Firmware device-tree), I need this notifier.
- The other two ones have a completely different usage scenario. I have
cases where multiple devices and their drivers depend on each other. For
example, the IBM EMAC network driver needs to attach to a MAL DMA engine
which is a separate device, and a PHY interface which is also a separate
device. They are all of_platform_device's (well, about to be with my
upcoming patches) but there is no say in what precise order the core
will "probe" them and instanciate the various modules. The solution I
found for that is to have the drivers for emac to use multithread_probe,
and wait for a driver to be bound to the target MAL and PHY control
devices (the device-tree contains reference to the MAL and PHY interface
nodes, which I can then match to of_platform_devices). Right now, I've
been polling, but with that notifier, I can more cleanly wait (with a
timeout of course).
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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The correct order is: NULL check before dereference
Spotted by the Coverity checker.
Signed-off-by: Adrian Bunk <bunk@stusta.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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This patch fixes the problem that "irq XX: nobody cared" kernel oops
is reported when pciehp is once rmmoded and insmoded again. The cause
of this problem is pciehp driver calls pci_disable_msi() at controller
release time, even though it must be done by PCI Express Port Bus
driver. This patch removes unnecessary pci_disable_msi() call from
pciehp driver.
Signed-off-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Signed-off-by: Kristen Carlson Accardi <kristen.c.accardi@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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This patch fixes the problem that the following error messages is
reported when pciehp driver is rmmoded.
Trying to free already-free IRQ XX
The cause of this problem is that pciehp driver is doing unknown 2nd
free_irq at driver unloading. This patch removes this unknown 2nd
free_irq call.
Note: The pciehp driver should be adapted to standard device driver
mode.
Signed-off-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Signed-off-by: Kristen Carlson Accardi <kristen.c.accardi@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Change the criterion that RPA PCI Hotplug and RPA DLPAR use when
determining the hotplug capabilities of a given device node. The
"device_type" property is less consistent than "name" across PCI nodes
on newer hardware.
Signed-off-by: John Rose <johnrose@austin.ibm.com>
Signed-off-by: Kristen Carlson Accardi <kristen.c.accardi@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Change memory allocation for acpiphp slots
Change the "struct slot" that acpiphp uses for managing it's slots to
directly contain the memory for the needed struct hotplug_slot_info and
the slot's name. This way we need only two memory allocations per slot
instead of four.
While we are at it: make_slot_name() is just a wrapper around snprintf()
knowing the right arguments to call it. Since the function makes just one
function call and is only called from one place I inlined it by hand.
Finally this fixes a possible bug waiting for someone to hit it. There were
two unused local variables in acpiphp_register_hotplug_slot(). gcc did not
find them because they were used in memory allocations with sizeof(*var).
They had the same types as the target of the allocation, but nevertheless
this was just weird.
Signed-off-by: Rolf Eike Beer <eike-hotplug@sf-tec.de>
Acked-by: Matthew Wilcox <matthew@wil.cx>
Signed-off-by: Kristen Carlson Accardi <kristen.c.accardi@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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