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* git://git.kernel.org/pub/scm/linux/kernel/git/bunk/trivial:
typo fixes
Clean up 'inline is not at beginning' warnings for usb storage
Storage class should be first
i386: Trivial typo fixes
ixj: make ixj_set_tone_off() static
spelling fixes
fix paniced->panicked typos
Spelling fixes for Documentation/atomic_ops.txt
move acknowledgment for Mark Adler to CREDITS
remove the bouncing email address of David Campbell
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CC drivers/pci/msi-apic.o
In file included from include/asm/msi.h:11,
from drivers/pci/msi.h:71,
from drivers/pci/msi-apic.c:8:
include/asm/smp.h:103: error: syntax error before '->' token
akpm: nasty. It appears to be
static inline unsigned int cpu_mask_to_apicid(cpumask_t cpumask)
conflicting with include/asm-x86_64/mach_apic.h's
#define cpu_mask_to_apicid (genapic->cpu_mask_to_apicid)
And I don't know which patch in rc4-mm1 triggered this.
Fixing this in the .c file seems wrong.
Including asm/smp.h instead of linux/smp.h seems wrong too. Need that
.config.
Cc: Andi Kleen <ak@muc.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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acquired (aquired)
contiguous (contigious)
successful (succesful, succesfull)
surprise (suprise)
whether (weather)
some other misspellings
Signed-off-by: Andreas Mohr <andi@lisas.de>
Signed-off-by: Adrian Bunk <bunk@stusta.de>
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The nVidia CK804 PCI-E chipset supports the AER extended capability
but sometimes fails to link it (with some BIOS or after a warm reboot).
It makes the AER cap invisible to pci_find_ext_capability().
The patch adds a quirk to set the missing bit that controls the
linking of the capability.
By the way, it removes the corresponding code in the myri10ge driver.
Signed-off-by: Brice Goglin <brice@myri.com>
Signed-off-by: Loic Prylli <loic@myri.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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From: Doug Thompson <norsk5@yahoo.com>
This patch adds the 'broken_parity_status' sysfs attribute file to a PCI device.
Reading this attribute a userland program can determine if PCI device provides false
positives (value of 1) in its generation of PCI Parity status, or not (value of 0).
As PCI devices are found to be 'bad' in this regard, userland programs can also set
the appropriate value (root access only) of a faulty device. This per device
information will be used in the EDAC PCI Parity scanner code in a future patch once
this interface becomes available.
Signed-off-by: Doug Thompson <norsk5@yahoo.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Be more selective when running the MSI-K8T-Neo2Fir soundcard PCI quirk so
as not to run this on hardware where it's probably not needed.
Signed-off-by: Chris Wedgwood <cw@f00f.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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pci_walk_bus has a race with pci_destroy_dev. When cb is called
in pci_walk_bus, pci_destroy_dev might unlink the dev pointed by next.
Later on in the next loop, pointer next becomes NULL and cause
kernel panic.
Below patch against 2.6.17-rc4 fixes it by changing pci_bus_lock (spin_lock)
to pci_bus_sem (rw_semaphore).
Signed-off-by: Zhang Yanmin <yanmin.zhang@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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The code is really not needed.
Roland Dreier/Greg KH removed the release_mem_region() calls that
were the only consumers of phys_addr:
http://www.ussg.iu.edu/hypermail/linux/kernel/0503.0/1540.html
patch below deletes the "dead" code.
Signed-off-by: Grant Grundler <iod00d@hp.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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A recent Stratus x86_64 platform uses a system ioapic that is a PCI device
located below a PCI bridge. Other platforms like this may exist.
This patch fixes a problem wherein the kernel's PCI setup code moves
the ioapic to an address other than that assigned by the BIOS. It simply
adds another exclusion (which already includes classless devices and host
bridges) to the function pbus_assign_resources_sorted so that it will not
move the ioapic.
If the ioapic is moved, the fixmap mapping to it is broken, so the OS should
leave it alone.
From: Kimball Murray <kimball.murray@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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In IA64 platform, msi driver does not use irq_vector variable, and in
x86 platform LAST_DEVICE_VECTOR should one before FIRST_SYSTEM_VECTOR,
this patch modify this.
Signed-off-by: bibo, mao <bibo.mao@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Brice said the pci_save_msi_state breaks his driver in his special usage
(not in suspend/resume), as pci_save_msi_state will disable msi mode. In
his usage, pci_save_state will be called at runtime, and later (after
the device operates for some time and has an error) pci_restore_state
will be called.
In another hand, suspend/resume needs disable msi mode, as device should
stop working completely. This patch try to workaround this issue.
Drivers are expected call pci_disable_device in suspend time after
pci_save_state.
Signed-off-by: Shaohua Li <shaohua.li@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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We recently ran into a problem where the e1000 device failed to
work properly on the kexec kernel. MSI was enabled for the
device in the main kernel when it crashed. The e1000 driver
tried to enable MSI on the kexec kernel, but the code bailed
early when it found that MSI was already enabled in the hardware,
even though the software state was not properly set up in the
kexec'd kernel. This patch fixes the problem by moving the
early return to after making sure that the software state
is properly initialized.
Signed-off-by: Rajesh Shah <rajesh.shah@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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The PCI_BUS_FLAGS_NO_MSI bus flags does not appear do be inherited
correctly from the amd8131 MSI quirk to its parent busses. It makes
devices behind a bridge behind amd8131 try to enable MSI while the
amd8131 does not support it.
We fix this by looking at flags of all parent busses in
pci_enable_msi() and pci_enable_msix().
By the way, also add the missing dev->no_msi check in pci_enable_msix()
Signed-off-by: Brice Goglin <brice@myri.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Currently, the EDAC (error detection and correction) modules that are in
the kernel contain some features that need to be moved. After some good
feedback on the PCI Parity detection code and interface
(http://www.ussg.iu.edu/hypermail/linux/kernel/0603.1/0897.html) this
patch ADDs an new attribute to the pci_dev structure: Namely the
'broken_parity_status' bit.
When set this indicates that the respective hardware generates false
positives of Parity errors.
The EDAC "blacklist" solution was inferior and will be removed in a
future patch.
Also in this patch is a PCI quirk.c entry for an Infiniband PCI-X card
which generates false positive parity errors.
I am requesting comments on this AND on the possibility of a exposing
this 'broken_parity_status' bit to userland via the PCI device sysfs
directory for devices. This access would allow for enabling of this
feature on new devices and for old devices that have their drivers
updated. (SLES 9 SP3 did this on an ATI motherboard video device). There
is a need to update such a PCI attribute between kernel releases.
This patch just adds a storage place for the attribute and a quirk entry
for a known bad PCI device. PCI Parity reaper/harvestor operations are
in EDAC itself and will be refactored to use this PCI attribute instead
of its own mechanisms (which are currently disabled) in the future.
Signed-off-by: Doug Thompson <norsk5@xmission.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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There were two instances of pci_acpi_init(), one in
drivers/pci/pci-acpi.c and another in arch/i386/pci/acpi.c.
Rename the one in pci-acpi.c and make it consistent with
other names in the same file.
Signed-off-by: Muthukumar R <muthur@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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If a device is already enabled, don't bother reenabling it.
Signed-off-by: Kristen Carlson Accardi <kristen.c.accardi@intel.com>
Acked-By: Arjan van de Ven <arjan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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userspace (Xorg) to enable devices without doing foul direct access
This patch adds an "enable" sysfs attribute to each PCI device. When read it
shows the "enabled-ness" of the device, but you can write a "0" into it to
disable a device, and a "1" to enable it.
This later is needed for X and other cases where userspace wants to enable
the BARs on a device (typical example: to run the video bios on a secundary
head). Right now X does all this "by hand" via bitbanging, that's just evil.
This allows X to no longer do that but to just let the kernel do this.
Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>
CC: Peter Jones <pjones@redhat.com>
Acked-by: Dave Airlie <airlied@linux.ie>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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PCI: Add pci_assign_resource_fixed -- allow fixed address assignments
On some embedded systems the PCI address for hotplug devices are not only
known a priori but are required to be at a given PCI address for other
master in the system to be able to access.
An example of such a system would be an FPGA which is setup from user space
after the system has booted. The FPGA may be access by DSPs in the system
and those DSPs expect the FPGA at a fixed PCI address.
Added pci_assign_resource_fixed() as a way to allow assignment of the PCI
devices's BARs at fixed PCI addresses.
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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When we detect a 64-bit pre-set address in a BAR on a 32-bit platform,
we disable it and treat it as if it had been unset, thus allowing the
general address assignment code to assign a new address to it when the
device is enabled. This can happen either if the firmware assigns
64-bit addresses; additionally, some cards have been found "in the
wild" which do not come out of reset with all the BAR registers set to
zero.
Unfortunately, the patch that implemented this tested the low part of
the address instead of the high part of the address. This patch fixes
that.
Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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[pci] Ignore pre-set 64-bit BARs on 32-bit platforms
Currently, Linux always rejects a device which has a pre-set 64-bit
address on a 32-bit platform. On systems which do not do PCI
initialization in firmware, this causes some devices which don't
correctly power up with all BARs zero to fail.
This patch makes the kernel automatically zero out such an address
(thus treating it as if it had not been set at all, meaning it will
assign an address if necessary).
I have done this only for devices, not bridges. It seems potentially
hazardous to do for bridges.
Signed-off-by: H. Peter Anvin <hpa@c2micro.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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MSI callouts for altix. Involves a fair amount of code reorg in sn irq.c
code as well as adding some extensions to the altix PCI provider abstaction.
Signed-off-by: Mark Maule <maule@sgi.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Abstract IA64_FIRST_DEVICE_VECTOR/IA64_LAST_DEVICE_VECTOR since SN platforms
use a subset of the IA64 range. Implement this by making the above macros
global variables which the platform can override in it setup code.
Also add a reserve_irq_vector() routine used by SN to mark a vector's as
in-use when that weren't allocated through assign_irq_vector().
Signed-off-by: Mark Maule <maule@sgi.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Abstract portions of the MSI core for platforms that do not use standard
APIC interrupt controllers. This is implemented through a new arch-specific
msi setup routine, and a set of msi ops which can be set on a per platform
basis.
Signed-off-by: Mark Maule <maule@sgi.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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* master.kernel.org:/pub/scm/linux/kernel/git/gregkh/pci-2.6: (30 commits)
[PATCH] PCI Hotplug: Fix recovery path from errors during pcie_init()
[PATCH] PCI Hotplug: fake NULL pointer dereferences in IBM Hot Plug Controller Driver
[PATCH] shpchp: Cleanup improper info messages
[PATCH] shpchp: Remove Unused hpc_evelnt_lock
[PATCH] shpchp: Cleanup interrupt polling timer
[PATCH] shpchp: Cleanup SHPC commands
[PATCH] shpchp: Cleanup interrupt handler
[PATCH] shpchp: Remove unnecessary hpc_ctlr_handle check
[PATCH] pciehp: Implement get_address callback
[PATCH] pciehp: Add missing pci_dev_put
[PATCH] pciehp: Replace pci_find_slot() with pci_get_slot()
[PATCH] SGI Hotplug: Incorrect power status
[PATCH] shpchp: Create shpchpd at controller probe time
[PATCH] shpchp: Mask Global SERR and Intr at controller release time
[PATCH] SHPC: Fix SHPC Contoller SERR-INT Register bits access
[PATCH] SHPC: Fix SHPC Logical Slot Register bits access
[PATCH] SHPC: Cleanup SHPC Logical Slot Register bits access
[PATCH] SHPC: Cleanup SHPC Logical Slot Register access
[PATCH] SHPC: Cleanup SHPC register access
[PATCH] pciehp: Fix programming hotplug parameters
...
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Signed-off-by: Jan Beulich <jbeulich@novell.com>
Cc: Kristen Accardi <kristen.c.accardi@intel.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Controller Driver
Remove checks for value, since the hotplug core always provides
a valid value.
Signed-off-by: Eric Sesterhenn <snakebyte@gmx.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Current SHPCHP driver shows device number of slots in info messages,
but it is useless and should be replaced with slot name.
This patch replaces the device number shown in the info messages with
the slot name.
Signed-off-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Cc: Kristen Accardi <kristen.c.accardi@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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This patch removes unused hpc_event_lock. This patch has no functional
change.
Signed-off-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Cc: Kristen Accardi <kristen.c.accardi@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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This patch cleans up the interrupt polling timer code in
shpchp_hpc.c. This has no functional changes.
Signed-off-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Cc: Kristen Accardi <kristen.c.accardi@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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This patch cleans up the code related to issuing SHPC commands. This
patch has no functional changes.
Signed-off-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Cc: Kristen Accardi <kristen.c.accardi@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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This patch cleans up the interrupt handler of shpchp driver. This
patch has no functional changes.
Signed-off-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Cc: Kristen Accardi <kristen.c.accardi@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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This patch removes unnecessary error check for hpc_ctlr_handle.
Signed-off-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Cc: Kristen Accardi <kristen.c.accardi@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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This patch implements .get_address callback of hotplug_slot_ops for
PCIEHP driver. With this patch, we can see bus address of hotplug
slots as follows:
# cat /sys/bus/pci/slots/0010_0000/address
0000:0a:00
Signed-off-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Cc: Kristen Accardi <kristen.c.accardi@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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The PCIEHP driver leaks reference counter of pci_dev structures. This
patch adds missing pci_dev_put() calls to PCIEHP driver.
Signed-off-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Cc: Kristen Accardi <kristen.c.accardi@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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This patch replaces pci_find_slot() with pci_get_slot() in PCIEHP
driver. This patch enables PCI Express Hotplug on the system which has
multiple PCI domains.
Signed-off-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Cc: Kristen Accardi <kristen.c.accardi@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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This is a repost of a patch submitted by Prarit Bhargava on 01-19-06 that
never got integrated.
The get_power_status function is currently reporting a bitwise mapping of
the slot if the slot is powered on. It should return 1 if powered on and
0 if powered off.
Signed-off-by: Mike Habeck <habeck@sgi.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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The workqueue thread of shpchp driver should be created only when SHPC
based hotplug slots are detected on the system.
Signed-off-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Cc: Kristen Accardi <kristen.c.accardi@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Global SERR and Interrupt should be masked at shpchp driver unload time.
Signed-off-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Cc: Kristen Accardi <kristen.c.accardi@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Current SHPCHP driver doesn't take care of RsvdP/RsvdZ[*] bits in
controller SERR-INT register. This might cause unpredicable
results. This patch fixes this bug.
[*] RsvdP and RsvdZ are defined in SHPC spec as follows:
RsvdP - Reserved and Preserved. Register bits of this type are
reserved for future use as R/W bits. The value read is
undefined. Writes are ignored. Software must follow These rules
when accessing RsvdP bits:
- Software must ignore RsvdP bits when testing values read
from these registers.
- Software must not depend on RsvdP bit's ability to retain
information when written
- Software must always write back the value read in the RsvdP
bits when writing one of these registers.
RsvdZ - Reserved and Zero. Register bits of this type are reserved
for future use as R/WC bits. The value read is undefined. Writes
are ignored. Software must follow these rules when accessing RsvdZ
bits:
- Software must ignore RsvdZ bits when testing values read
from these registers.
- Software must not depends on a RsvdZ bit's ability to retain
information when written.
- Software must always write 0 to RsvdZ bits when writing one
of these register.
Signed-off-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Cc: Kristen Accardi <kristen.c.accardi@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Current SHPCHP driver doesn't take care of RsvdP/RsvdZ[*] bits
in logical slot registers. This might cause unpredicable results. This
patch fixes this bug.
[*] RsvdP and RsvdZ are defined in SHPC spec as follows:
RsvdP - Reserved and Preserved. Register bits of this type are
reserved for future use as R/W bits. The value read is
undefined. Writes are ignored. Software must follow These rules
when accessing RsvdP bits:
- Software must ignore RsvdP bits when testing values read
from these registers.
- Software must not depend on RsvdP bit's ability to retain
information when written
- Software must always write back the value read in the RsvdP
bits when writing one of these registers.
RsvdZ - Reserved and Zero. Register bits of this type are reserved
for future use as R/WC bits. The value read is undefined. Writes
are ignored. Software must follow these rules when accessing RsvdZ
bits:
- Software must ignore RsvdZ bits when testing values read
from these registers.
- Software must not depends on a RsvdZ bit's ability to retain
information when written.
- Software must always write 0 to RsvdZ bits when writing one
of these register.
Signed-off-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Cc: Kristen Accardi <kristen.c.accardi@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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This patch cleans up the code to access bits in slot logical
registers. This patch has no functional change.
Signed-off-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Cc: Kristen Accardi <kristen.c.accardi@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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This patch cleans up the code to access slot logical registers. This
patch has no functional changes.
Signed-off-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Cc: Kristen Accardi <kristen.c.accardi@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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This patch cleans up the code to access SHPC working register
sets. This patch has no functional changes.
Signed-off-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Cc: Kristen Accardi <kristen.c.accardi@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Current PCHEHP driver doesn't have any code to program hotplug
parameters from firmware. So hotplug parameters are never programed at
hot-add time. This patch add support for programming hotplug
parameters to PCIEHP driver.
Signed-off-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Cc: Kristen Accardi <kristen.c.accardi@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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This patch adds support for _HPX (Hot Plug Parameter Extensions)
defined in ACPI3.0a spec.
Signed-off-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Cc: Kristen Accardi <kristen.c.accardi@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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This patch converts the improper error message about OSHP evaluation
to debug message which is displayed only when pci_hotplug.ko is loaded
with debugging mode enabled. To do this, this patch adds a new module
parameter "debug_acpi" to pci_hotplug.ko for enabling/disabling debug
messages in acpi_pcihp.c.
Signed-off-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Cc: Kristen 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 hotplug parameters are not programed
when PCI cards are hot-added by ACPIPHP, SHPCHP and PCIEHP driver. The
pci_dev structure being hot-added is not bound to ACPI handle, so we
need to trace PCI bus tree to find ACPI handle.
Signed-off-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Cc: Kristen Accardi <kristen.c.accardi@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Don't call pci_enable_device from pciehp because the pcie port service driver
already does this.
Signed-off-by: Kristen Carlson Accardi <kristen.c.accardi@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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acpi_os_free should not be used by drivers outside
of acpi/*/*.c. Replace with kfree().
Signed-off-by: Kristen Carlson Accardi <kristen.c.accardi@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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When acpiphp_enable_slot() is failed, acpiphp does not change
the slot->flags. Therefore, when user tries to read power
status, acpiphp_get_power_status() returns the enable status
whether the slot is not really enabled.
This patch fixes this BUG.
Signed-off-by: MUNEDA Takahiro <muneda.takahiro@jp.fujitsu.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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