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git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'core-iommu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (63 commits)
x86, Calgary IOMMU quirk: Find nearest matching Calgary while walking up the PCI tree
x86/amd-iommu: Remove amd_iommu_pd_table
x86/amd-iommu: Move reset_iommu_command_buffer out of locked code
x86/amd-iommu: Cleanup DTE flushing code
x86/amd-iommu: Introduce iommu_flush_device() function
x86/amd-iommu: Cleanup attach/detach_device code
x86/amd-iommu: Keep devices per domain in a list
x86/amd-iommu: Add device bind reference counting
x86/amd-iommu: Use dev->arch->iommu to store iommu related information
x86/amd-iommu: Remove support for domain sharing
x86/amd-iommu: Rearrange dma_ops related functions
x86/amd-iommu: Move some pte allocation functions in the right section
x86/amd-iommu: Remove iommu parameter from dma_ops_domain_alloc
x86/amd-iommu: Use get_device_id and check_device where appropriate
x86/amd-iommu: Move find_protection_domain to helper functions
x86/amd-iommu: Simplify get_device_resources()
x86/amd-iommu: Let domain_for_device handle aliases
x86/amd-iommu: Remove iommu specific handling from dma_ops path
x86/amd-iommu: Remove iommu parameter from __(un)map_single
x86/amd-iommu: Make alloc_new_range aware of multiple IOMMUs
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* git://git.kernel.org/pub/scm/linux/kernel/git/steve/gfs2-2.6-nmw: (31 commits)
GFS2: Fix glock refcount issues
writeback: remove unused nonblocking and congestion checks (gfs2)
GFS2: drop rindex glock to refresh rindex list
GFS2: Tag all metadata with jid
GFS2: Locking order fix in gfs2_check_blk_state
GFS2: Remove dirent_first() function
GFS2: Display nobarrier option in /proc/mounts
GFS2: add barrier/nobarrier mount options
GFS2: remove division from new statfs code
GFS2: Improve statfs and quota usability
GFS2: Use dquot_send_warning()
VFS: Export dquot_send_warning
GFS2: Add set_xquota support
GFS2: Add get_xquota support
GFS2: Clean up gfs2_adjust_quota() and do_glock()
GFS2: Remove constant argument from qd_get()
GFS2: Remove constant argument from qdsb_get()
GFS2: Add proper error reporting to quota sync via sysfs
GFS2: Add get_xstate quota function
GFS2: Remove obsolete code in quota.c
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git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/security-testing-2.6
* 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/security-testing-2.6: (30 commits)
TOMOYO: Add recursive directory matching operator support.
remove CONFIG_SECURITY_FILE_CAPABILITIES compile option
SELinux: print denials for buggy kernel with unknown perms
Silence the existing API for capability version compatibility check.
LSM: Move security_path_chmod()/security_path_chown() to after mutex_lock().
SELinux: header generation may hit infinite loop
selinux: Fix warnings
security: report the module name to security_module_request
Config option to set a default LSM
sysctl: require CAP_SYS_RAWIO to set mmap_min_addr
tpm: autoload tpm_tis based on system PnP IDs
tpm_tis: TPM_STS_DATA_EXPECT workaround
define convenient securebits masks for prctl users (v2)
tpm: fix header for modular build
tomoyo: improve hash bucket dispersion
tpm add default function definitions
LSM: imbed ima calls in the security hooks
SELinux: add .gitignore files for dynamic classes
security: remove root_plug
SELinux: fix locking issue introduced with c6d3aaa4e35c71a3
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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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Use the new unreachable() macro instead of for(;;);
Signed-off-by: David Daney <ddaney@caviumnetworks.com>
Acked-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Use the new unreachable() macro instead of for(;;);
Signed-off-by: David Daney <ddaney@caviumnetworks.com>
Acked-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
CC: Heiko Carstens <heiko.carstens@de.ibm.com>
CC: linux390@de.ibm.com
CC: linux-s390@vger.kernel.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Use the new unreachable() macro instead of while(1);
Signed-off-by: David Daney <ddaney@caviumnetworks.com>
Acked-by: Ralf Baechle <ralf@linux-mips.org>
CC: linux-mips@linux-mips.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Use the new unreachable() macro instead of for(;;);. When
allyesconfig is built with a GCC-4.5 snapshot on i686 the size of the
text segment is reduced by 3987 bytes (from 6827019 to 6823032).
Signed-off-by: David Daney <ddaney@caviumnetworks.com>
Acked-by: "H. Peter Anvin" <hpa@zytor.com>
CC: Thomas Gleixner <tglx@linutronix.de>
CC: Ingo Molnar <mingo@redhat.com>
CC: x86@kernel.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Starting with version 4.5, GCC has a new built-in function
__builtin_unreachable() that can be used in places like the kernel's
BUG() where inline assembly is used to transfer control flow. This
eliminated the need for an endless loop in these places.
The patch adds a new macro 'unreachable()' that will expand to either
__builtin_unreachable() or an endless loop depending on the compiler
version.
Change from v1: Simplify unreachable() for non-GCC 4.5 case.
Signed-off-by: David Daney <ddaney@caviumnetworks.com>
Acked-by: Ralf Baechle <ralf@linux-mips.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Signed-off-by: Krzysztof Hałasa <khc@pm.waw.pl>
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Signed-off-by: Krzysztof Hałasa <khc@pm.waw.pl>
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Signed-off-by: Krzysztof Hałasa <khc@pm.waw.pl>
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PrPMC1100 is handled by IXDP425 platform code, there is no need for
duplicate set of macros. Remove them.
Signed-off-by: Krzysztof Hałasa <khc@pm.waw.pl>
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Signed-off-by: Krzysztof Hałasa <khc@pm.waw.pl>
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Signed-off-by: Krzysztof Hałasa <khc@pm.waw.pl>
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Signed-off-by: Krzysztof Hałasa <khc@pm.waw.pl>
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Signed-off-by: Krzysztof Hałasa <khc@pm.waw.pl>
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Signed-off-by: Krzysztof Hałasa <khc@pm.waw.pl>
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Signed-off-by: Krzysztof Hałasa <khc@pm.waw.pl>
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Signed-off-by: Krzysztof Hałasa <khc@pm.waw.pl>
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IXP4xx CPUs can indirectly access the whole 4 GB PCI MMIO address space (using
the non-prefetch registers). Previously the available space depended on the CPU
variant, since one of the IXP43x platforms needed more than the usual 128 MB.
1 GB should be enough for everyone, and if not, we can trivially increase it.
Signed-off-by: Krzysztof Hałasa <khc@pm.waw.pl>
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Instead of including the heavy linux/mm.h for VMALLOC_START, test the addresses
against PCI MIN and MAX addresses. Indirect PCI uses 1:1 mapping for MMIO space
making this change possible.
Signed-off-by: Krzysztof Hałasa <khc@pm.waw.pl>
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clarity.
Signed-off-by: Krzysztof Hałasa <khc@pm.waw.pl>
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Signed-off-by: Krzysztof Hałasa <khc@pm.waw.pl>
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The indexes were signed, so negatives were possible.
Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: Krzysztof Hałasa <khc@pm.waw.pl>
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The repetitive in/out functions must preserve order, not value.
Signed-off-by: Krzysztof Hałasa <khc@pm.waw.pl>
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Signed-off-by: Krzysztof Hałasa <khc@pm.waw.pl>
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Clock generators used by IXP4xx processors are usually 33.333 MHz, sometimes
33.33 MHz and few platforms use 33 MHz. The timers tick twice as fast,
that means 66.666, 66.66 or 66 MHz. Current 66.666666 MHz means 10 ppm
offset from the usual 66.666 MHz.
Signed-off-by: Krzysztof Hałasa <khc@pm.waw.pl>
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into devel
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Effects were allocated, but not freed anywhere.
Signed-off-by: Jari Vanhala <ext-jari.vanhala@nokia.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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The driver does not reference identification strings in DMI table and
since these strings are no longer required by DMI core we can safely
remove them and save some memory.
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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The driver does not reference identification strings in DMI tables and
since these strings are no longer required by DMI core we can safely
remove them and save some memory.
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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The driver does not reference identification strings in DMI table and
since these strings are no longer required by DMI core we can safely
remove them and save some memory.
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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The driver does not reference identification strings in DMI tables and
since these strings are no longer required by DMI core we can safely
remove them and save some memory.
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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The purpose of dmi->ident is twofold - it may be used by DMI callback
functions when composing log messages; it is also used to determine
end of DMI table in dmi_check_system() and dmi_first_match(). However,
in case when callbacks are not interested in using ident at all it just
wastes memory. Let's make entries with empty first match slot serve as
end-of-table markers instead.
Acked-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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Bug reporter noted their system with an ASUS P4S800 motherboard would
hang when rebooting unless reboot=b was specified. Their dmidecode
didn't contain descriptive System Information for Manufacturer or
Product Name, so I used their Base Board Information to create a
reboot quirk patch. The bug reporter confirmed this patch resolves
the reboot hang.
Handle 0x0001, DMI type 1, 25 bytes
System Information
Manufacturer: System Manufacturer
Product Name: System Name
Version: System Version
Serial Number: SYS-1234567890
UUID: E0BFCD8B-7948-D911-A953-E486B4EEB67F
Wake-up Type: Power Switch
Handle 0x0002, DMI type 2, 8 bytes
Base Board Information
Manufacturer: ASUSTeK Computer INC.
Product Name: P4S800
Version: REV 1.xx
Serial Number: xxxxxxxxxxx
BugLink: http://bugs.launchpad.net/bugs/366682
ASUS P4S800 will hang when rebooting unless reboot=b is specified.
Add a quirk to reboot through the bios.
Signed-off-by: Leann Ogasawara <leann.ogasawara@canonical.com>
LKML-Reference: <1259972107.4629.275.camel@emiko>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Cc: <stable@kernel.org>
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Remove a stray space in pci_save_state().
Signed-off-by: Kleber Sacilotto de Souza <klebers@linux.vnet.ibm.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
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Commit ae21ee65e8bc228416bbcc8a1da01c56a847a60c "PCI: acs p2p upsteram
forwarding enabling" doesn't actually enable ACS.
Add a function to pci core to allow an IOMMU to request that ACS
be enabled. The existing mechanism of using iommu_found() in the pci
core to know when ACS should be enabled doesn't actually work due to
initialization order; iommu has only been detected not initialized.
Have Intel and AMD IOMMUs request ACS, and Xen does as well during early
init of dom0.
Cc: Allen Kay <allen.m.kay@intel.com>
Cc: David Woodhouse <dwmw2@infradead.org>
Cc: Jeremy Fitzhardinge <jeremy@goop.org>
Cc: Joerg Roedel <joerg.roedel@amd.com>
Signed-off-by: Chris Wright <chrisw@sous-sol.org>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
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This problem happened when removing PCIe root port using PCI logical
hotplug operation.
The immediate cause of this problem is that the pointer to invalid
data structure is passed to pcie_update_aspm_capable() by
pcie_aspm_exit_link_state(). When pcie_aspm_exit_link_state() received
a pointer to root port link, it unconfigures the root port link and
frees its data structure at first. At this point, there are not links
to configure under the root port and the data structure for root port
link is already freed. So pcie_aspm_exit_link_state() must not call
pcie_update_aspm_capable() and pcie_config_aspm_path().
This patch fixes the problem by changing pcie_aspm_exit_link_state()
not to call pcie_update_aspm_capable() and pcie_config_aspm_path() if
the specified link is root port link.
------------[ cut here ]------------
kernel BUG at drivers/pci/pcie/aspm.c:606!
invalid opcode: 0000 [#1] SMP DEBUG_PAGEALLOC
last sysfs file: /sys/devices/pci0000:40/0000:40:13.0/remove
CPU 1
Modules linked in: shpchp
Pid: 9345, comm: sysfsd Not tainted 2.6.32-rc5 #98 ProLiant DL785 G6
RIP: 0010:[<ffffffff811df69b>] [<ffffffff811df69b>] pcie_update_aspm_capable+0x15/0xbe
RSP: 0018:ffff88082a2f5ca0 EFLAGS: 00010202
RAX: 0000000000000e77 RBX: ffff88182cc3e000 RCX: ffff88082a33d006
RDX: 0000000000000001 RSI: ffffffff811dff4a RDI: ffff88182cc3e000
RBP: ffff88082a2f5cc0 R08: ffff88182cc3e000 R09: 0000000000000000
R10: ffff88182fc00180 R11: ffff88182fc00198 R12: ffff88182cc3e000
R13: 0000000000000000 R14: ffff88182cc3e000 R15: ffff88082a2f5e20
FS: 00007f259a64b6f0(0000) GS:ffff880864600000(0000) knlGS:0000000000000000
CS: 0010 DS: 0018 ES: 0018 CR0: 000000008005003b
CR2: 00007feb53f73da0 CR3: 000000102cc94000 CR4: 00000000000006e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Process sysfsd (pid: 9345, threadinfo ffff88082a2f4000, task ffff88082a33cf00)
Stack:
ffff88182cc3e000 ffff88182cc3e000 0000000000000000 ffff88082a33cf00
<0> ffff88082a2f5cf0 ffffffff811dff52 ffff88082a2f5cf0 ffff88082c525168
<0> ffff88402c9fd2f8 ffff88402c9fd2f8 ffff88082a2f5d20 ffffffff811d7db2
Call Trace:
[<ffffffff811dff52>] pcie_aspm_exit_link_state+0xf5/0x11e
[<ffffffff811d7db2>] pci_stop_bus_device+0x76/0x7e
[<ffffffff811d7d67>] pci_stop_bus_device+0x2b/0x7e
[<ffffffff811d7e4f>] pci_remove_bus_device+0x15/0xb9
[<ffffffff811dcb8c>] remove_callback+0x29/0x3a
[<ffffffff81135aeb>] sysfs_schedule_callback_work+0x15/0x6d
[<ffffffff81072790>] worker_thread+0x19d/0x298
[<ffffffff8107273b>] ? worker_thread+0x148/0x298
[<ffffffff81135ad6>] ? sysfs_schedule_callback_work+0x0/0x6d
[<ffffffff810765c0>] ? autoremove_wake_function+0x0/0x38
[<ffffffff810725f3>] ? worker_thread+0x0/0x298
[<ffffffff8107629e>] kthread+0x7d/0x85
[<ffffffff8102eafa>] child_rip+0xa/0x20
[<ffffffff8102e4bc>] ? restore_args+0x0/0x30
[<ffffffff81076221>] ? kthread+0x0/0x85
[<ffffffff8102eaf0>] ? child_rip+0x0/0x20
Code: 89 e5 8a 50 48 31 c0 c0 ea 03 83 e2 07 e8 b2 de fe ff c9 48 98 c3 55 48 89 e5 41 56 49 89 fe 41 55 41 54 53 48 83 7f 10 00 74 04 <0f> 0b eb fe 48 8b 05 da 7d 63 00 4c 8d 60 e8 4c 89 e1 eb 24 4c
RIP [<ffffffff811df69b>] pcie_update_aspm_capable+0x15/0xbe
RSP <ffff88082a2f5ca0>
---[ end trace 6ae0f65bdeab8555 ]---
Reported-by: Alex Chiang <achiang@hp.com>
Tested-by: Alex Chiang <achiang@hp.com>
Signed-off-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
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The pci_cleanup_aer_correct_error_status() function has been
#if 0'd out since 2.6.25. Time to remove the dead code.
Signed-off-by: Andrew Patterson <andrew.patterson@hp.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
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The current implementation of pci_cleanup_aer_uncorrect_error_status
only clears either fatal or non-fatal error status bits depending
on the state of the I/O channel. This implementation will then often
leave some bits set after PCI error recovery completes. The uncleared bit
settings will then be falsely reported the next time an AER interrupt is
generated for that hierarchy. An easy way to illustrate this issue is to
use the aer-inject module to simultaneously inject both an uncorrectable
non-fatal and uncorrectable fatal error. One of the errors will not be
cleared.
This patch resolves this issue by unconditionally clearing all bits in
the AER uncorrectable status register. All settings and corrective action
strategies are saved and determined before
pci_cleanup_aer_uncorrect_error_status is called, so this change should not
affect errory handling functionality.
Signed-off-by: Andrew Patterson <andrew.patterson@hp.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
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This allows us to use the BIOS SR-IOV allocations rather than assigning
our own later on.
Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
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Remove unnecessary definitions from portdrv.h and use generic
definitions instead.
Signed-off-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
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Remove 'port_type' field in struct pcie_port_data(), because we can
get port type information from struct pci_dev. With this change, this
patch also does followings:
- Remove struct pcie_port_data because it no longer has any field.
- Remove portdrv private definitions about port type (PCIE_RC_PORT,
PCIE_SW_UPSTREAM_PORT and PCIE_SW_DOWNSTREAM_PORT), and use generic
definitions instead.
Signed-off-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
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Minor cleanups for pcie_port_device_register().
Signed-off-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
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Add missing service irqs cleanup in the error code path of
pcie_port_device_register().
Signed-off-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
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Call pci_enable_device() before initializing service irqs, because
legacy interrupt is initialized in pci_enable_device() on some
architectures.
Signed-off-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
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This patch cleans up the service irqs initialization as follows:
- Remove 'irq_mode' field in pcie_port_data and related definitions,
which is not needed because we can get the same information from
'is_msix', 'is_msi' and 'pin' fields in struct pci_dev.
- Change the name of 'vectors' argument of assign_interrupt_mode() to
'irqs' because it holds irq numbers actually. People might confuse
it with CPU vector or MSI/MSI-X vector.
- Change function name assign_interrupt_mode() to init_service_irqs()
becasuse we no longer have 'irq_mode' data structure, and new name
is more straightforward (IMO).
Signed-off-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
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Move capability check capability to the beginning of
pcie_port_device_register() prevents redundant execution path.
Signed-off-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
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