Commit graph

336,024 commits

Author SHA1 Message Date
Max Filippov
eb9a63a1e5 xtensa: rename MISC SR definition to avoid name clashes
There are other special register that cause build warnings and may as
well need renaming as well.

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Chris Zankel <chris@zankel.net>
2012-10-03 15:12:43 -07:00
Max Filippov
a4c8aa5e5c hisax: disable build for big-endian xtensa
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Chris Zankel <chris@zankel.net>
2012-10-03 15:12:39 -07:00
Max Filippov
a753cd9abf xtensa: fix CODA build
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Chris Zankel <chris@zankel.net>
2012-10-03 15:12:33 -07:00
Max Filippov
7c94fe4a01 xtensa: fix parallel make
Make vmlinux.tmp and vmlinux.tmp.gz separate build targets, avoid
removing vmlinux.tmp during vmlinux.tmp.gz build.

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Chris Zankel <chris@zankel.net>
2012-10-03 15:12:29 -07:00
Max Filippov
d0fccc0446 xtensa: ISS: drop unused io.c
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Chris Zankel <chris@zankel.net>
2012-10-03 15:12:23 -07:00
Max Filippov
237531714f xtensa: ISS: exit simulator in case of halt or poweroff
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Chris Zankel <chris@zankel.net>
2012-10-03 15:12:19 -07:00
Max Filippov
8bac83289a xtensa: ISS: change keyboard polling rate
Polling rate of once per 20 seconds seems to be too low. Increase it to
10 times per second.

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Chris Zankel <chris@zankel.net>
2012-10-03 15:12:14 -07:00
Max Filippov
5295325fbf xtensa: ISS: add platform_pcibios_init
Provide pcibios initialization function in case PCI is enabled in the
kernel config. This allows building kernel in allmodconfig
configuration.

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Chris Zankel <chris@zankel.net>
2012-10-03 15:12:08 -07:00
Max Filippov
695c617cee xtensa: ISS: add dummy serial.h for ISS platform
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Chris Zankel <chris@zankel.net>
2012-10-03 15:12:03 -07:00
Max Filippov
fa48cf4269 xtensa: change default platform clock frequency to 10MHz
Existing simulators show this level of performance.

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Chris Zankel <chris@zankel.net>
2012-10-03 15:11:59 -07:00
Max Filippov
6ed65f3748 xtensa: add ARCH_WANT_OPTIONAL_GPIOLIB to xtensa config
This is needed for various modules requiring GPIO. This allows building
kernel in allmodconfig configuration.

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Chris Zankel <chris@zankel.net>
2012-10-03 15:11:53 -07:00
Max Filippov
d046f77ec4 xtensa: set NO_IOPORT to 'n' by default
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Chris Zankel <chris@zankel.net>
2012-10-03 15:11:47 -07:00
Max Filippov
d38efc1f15 xtensa: adopt generic io routines
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Chris Zankel <chris@zankel.net>
2012-10-03 15:11:42 -07:00
Max Filippov
02f3774877 xtensa: fix ioremap
- fix ioremap_nocache to actually return non-cacheable address
- add explicit ioremap_cache
- fix KIO aperture checking arithmetic

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Chris Zankel <chris@zankel.net>
2012-10-03 15:11:35 -07:00
Max Filippov
af42e970b6 modpost: fix modpost warnings for xtensa
Suppress warnings for two informational sections (.xt.lit and .xt.prop)
used by the Xtensa architecture.

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Chris Zankel <chris@zankel.net>
2012-10-03 15:11:30 -07:00
Max Filippov
717460ee3e xtensa: ISS: fix __simc implementation
Do not rely on compiler implicitly placing function arguments into
specifc registers, place them explicitly.

Move __simc and related helpers to platform/simcall.h

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Chris Zankel <chris@zankel.net>
2012-10-03 15:11:25 -07:00
Max Filippov
33c8213d69 xtensa: fix xtensa_irq_unmask calls
xtensa_irq_disable/xtensa_irq_enable used to call xtensa_irq_unmask with
wrong argument.

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Chris Zankel <chris@zankel.net>
2012-10-03 15:11:19 -07:00
Max Filippov
2e6ee5ec88 xtensa/PCI: fix WT caching attribute
Fix caching attributes setup providing correct _PAGE_CA_* names.

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Chris Zankel <chris@zankel.net>
2012-10-03 15:11:13 -07:00
Max Filippov
6aebb64ad4 xtensa: ISS: only build networking if configured
This allows building kernel in allnoconfig configuration.

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Chris Zankel <chris@zankel.net>
2012-10-03 15:11:08 -07:00
Max Filippov
f6a03a12ec xtensa: fix linker script transformation for .text.unlikely
Now that binutils generate *.unlikely sections which don't follow
documented (info as) literal section naming rules, section name
transformation script doesn't work well resulting in the following
errors at vmlinux link time:

	main.c:(.text.unlikely+0x3): dangerous relocation: l32r: literal
				     placed after use: .literal.unlikely

Fix section name transformation script by adding specific rule for
.text.unlikely sections.

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Chris Zankel <chris@zankel.net>
2012-10-03 15:11:04 -07:00
Chris Zankel
f959ed2fdb MAINTAINERS: add Max Filippov as an xtensa port maintainer
Signed-off-by: Chris Zankel <chris@zankel.net>
2012-10-03 15:10:47 -07:00
Christoph Hellwig
50e5c87de4 iscsit: proper endianess conversions
Make sure all on the wire types are use as big endian and big endian only so
that sparse can verify all the conversions are done right.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2012-10-03 14:39:22 -07:00
Mark Salter
37d11ab8b4 c6x: make dsk6455 the default config
C6X had no defconfig, so DSK6455 is as good as any.

Signed-off-by: Mark Salter <msalter@redhat.com>
2012-10-03 17:39:12 -04:00
Tatyana Nikolova
cf9fd75cbc RDMA/nes: Bump the version number of nes driver
Bumpthe version of the nes driver to reflect recent fixes.

Signed-off-by: Tatyana Nikolova <Tatyana.E.Nikolova@intel.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
2012-10-03 14:27:59 -07:00
Tatyana Nikolova
a378e3a3fb RDMA/nes: Remove unused module parameter "send_first"
Signed-off-by: Tatyana Nikolova <Tatyana.E.Nikolova@intel.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
2012-10-03 14:27:59 -07:00
Tatyana Nikolova
a67b078cf6 RDMA/nes: Remove unnecessary if-else statement
Remove unnecessary if-else statement -- we do the same thing either way.

Signed-off-by: Tatyana Nikolova <Tatyana.E.Nikolova@intel.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
2012-10-03 14:27:58 -07:00
Tatyana Nikolova
d5fb476a10 RDMA/nes: Add missing break to switch.
Static code analyzer cppcheck points out a missing break.

Reported-by: David Binderman <dcb314@hotmail.com>
Addresses: <https://bugzilla.kernel.org/show_bug.cgi?id=47671>
Signed-off-by: Tatyana Nikolova <Tatyana.E.Nikolova@intel.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
2012-10-03 14:27:58 -07:00
Christoph Hellwig
66c7db6876 iscsit: use the itt_t abstract type
Use the special itt_t type defined by the iscsi headers and the initiator
to make sure it's an opaque value.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2012-10-03 14:21:50 -07:00
Jack Morgenstein
60396683fe mlx4_core: Adjust flow steering attach wrapper so that IB works on SR-IOV VFs
Currently, the InfiniBand stack does not support flow steering at the
verbs level -- the only usage of flow steering in the IB driver is for
L2 multicast attaches.  We need to add the IB case to procedure
mlx4_QP_FLOW_STEERING_ATTACH_wrapper() to allow IPoIB to work on VFs
on ConnectX-3 when flow steering is enabled.

Currently, the IB case in mlx4_QP_FLOW_STEERING_ATTACH_wrapper() is missing,
so the procedure returns -EINVAL and IPoIB on VFs breaks.

Signed-off-by: Jack Morgenstein <jackm@dev.mellanox.co.il>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
2012-10-03 14:11:20 -07:00
Linus Torvalds
df5a2a1fbc - feed GUIDs of FireWire nodes to the random pool
- more complete quirk handling of a TI S400B phy
   - avoid holding a core lock while calling into highlevel drivers
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Merge tag 'firewire-updates' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394

Pull firewire updates from Stefan Richter:
  - feed GUIDs of FireWire nodes to the random pool
  - more complete quirk handling of a TI S400B phy
  - avoid holding a core lock while calling into highlevel drivers

* tag 'firewire-updates' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394:
  firewire: addendum to address handler RCU conversion
  firewire: remove global lock around address handlers, convert to RCU
  firewire: ohci: get IR bit from TSB41BA3D phy
  firewire: core: feed /dev/random with devices' GUIDs
2012-10-03 13:55:12 -07:00
Boaz Harrosh
7f8d145d43 pnfs_osd_xdr: Remove unused #include from pnfs_osd_xdr.h
Signed-off-by: Boaz Harrosh <bharrosh@panasas.com>
2012-10-03 13:52:52 -07:00
Dan Carpenter
74b217d0d3 ore: signedness bug in _sp2d_min_pg()
This for loop doesn't work correctly when "p" is unsigned.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
2012-10-03 13:51:51 -07:00
Linus Torvalds
9b2e077c42 Prepared for main script
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Merge tag 'uapi-prep-20121002' of git://git.infradead.org/users/dhowells/linux-headers

Pull preparatory patches for user API disintegration from David Howells:
 "The patches herein prepare for the extraction of the Userspace API
  bits from the various header files named in the Kbuild files.

  New subdirectories are created under either include/uapi/ or
  arch/x/include/uapi/ that correspond to the subdirectory containing
  that file under include/ or arch/x/include/.

  The new subdirs under the uapi/ directory are populated with Kbuild
  files that mostly do nothing at this time.  Further patches will
  disintegrate the headers in each original directory and fill in the
  Kbuild files as they do it.

  These patches also:

   (1) fix up #inclusions of "foo.h" rather than <foo.h>.

   (2) Remove some redundant #includes from the DRM code.

   (3) Make the kernel build infrastructure handle Kbuild files both in
       the old places and the new UAPI place that both specify headers
       to be exported.

   (4) Fix some kernel tools that #include kernel headers during their
       build.

  I have compile tested this with allyesconfig against x86_64,
  allmodconfig against i386 and a scattering of additional defconfigs of
  other arches.  Prepared for main script

  Signed-off-by: David Howells <dhowells@redhat.com>
  Acked-by: Arnd Bergmann <arnd@arndb.de>
  Acked-by: Thomas Gleixner <tglx@linutronix.de>
  Acked-by: Michael Kerrisk <mtk.manpages@gmail.com>
  Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
  Acked-by: Dave Jones <davej@redhat.com>
  Acked-by: H. Peter Anvin <hpa@zytor.com>"

* tag 'uapi-prep-20121002' of git://git.infradead.org/users/dhowells/linux-headers:
  UAPI: Plumb the UAPI Kbuilds into the user header installation and checking
  UAPI: x86: Differentiate the generated UAPI and internal headers
  UAPI: Remove the objhdr-y export list
  UAPI: Move linux/version.h
  UAPI: Set up uapi/asm/Kbuild.asm
  UAPI: x86: Fix insn_sanity build failure after UAPI split
  UAPI: x86: Fix the test_get_len tool
  UAPI: (Scripted) Set up UAPI Kbuild files
  UAPI: Partition the header include path sets and add uapi/ header directories
  UAPI: (Scripted) Convert #include "..." to #include <path/...> in kernel system headers
  UAPI: (Scripted) Convert #include "..." to #include <path/...> in drivers/gpu/
  UAPI: (Scripted) Remove redundant DRM UAPI header #inclusions from drivers/gpu/.
  UAPI: Refer to the DRM UAPI headers with <...> and from certain headers only
2012-10-03 13:45:43 -07:00
Yuval Mintz
065f8b9210 bnx2x: fix ring size for 10G functions
Commit d760fc37b0 caused
1G functions to allocate rx rings which were 1/10 of the
size of 10G functions' rx rings.

However, it also caused 10G functions on 5771x boards to
allocate small rings, which limits their possible (default)
rx throughput. This patch causes all 10G functions to use
rings of intended length by default.

Signed-off-by: Yuval Mintz <yuvalmin@broadcom.com>
Signed-off-by: Ariel Elior <ariele@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-10-03 16:34:15 -04:00
Vipul Pandya
8c357ebd56 cxgb4: Dynamically allocate memory in t4_memory_rw() and get_vpd_params()
This patch changes memory allocation to reduce stack footprint

Signed-off-by: Jay Hernandez <jay@chelsio.com>
Signed-off-by: Vipul Pandya <vipul@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-10-03 16:34:15 -04:00
Mark Brown
e7a570ff7d asm-generic: Add default clkdev.h
Ease the deployment of clkdev by providing a default asm/clkdev.h for
use if the arch does not have an include/asm/clkdev.h.

Due to limitations in Kbuild we manually add clkdev.h to all
architectures that don't have one rather than having the header appear
by default.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Reviewed-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2012-10-03 21:33:53 +02:00
Arnd Bergmann
720fb1976d asm-generic: xor: mark static functions as __maybe_unused
The asm-generic/xor.h header file is nasty and defines static functions
that are not inline. The header file is include by the ARM version of
asm/xor.h, which uses some but not all of the symbols defined there.

Marking the extraneous functions as __maybe_unused lets gcc drop them
without complaining.

Without this patch, building iop13xx_defconfig results in:

include/asm-generic/xor.h:696:34: warning: 'xor_block_8regs_p' defined but not used [-Wunused-variable]
include/asm-generic/xor.h:704:34: warning: 'xor_block_32regs_p' defined but not used [-Wunused-variable]

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Cc: Herbert Xu <herbert@gondor.apana.org.au>
Cc: Dan Williams <dan.j.williams@gmail.com>
Cc: Neil Brown <neilb@suse.de>
2012-10-03 21:21:06 +02:00
Trond Myklebust
8544a9dc18 NFSv4.1: Remove the dependency on CONFIG_EXPERIMENTAL
CONFIG_EXPERIMENTAL is deprecated and, regardless of that, this code
is being enabled in most newer distributions.

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2012-10-03 10:54:50 -07:00
Stefano Stabellini
4ed5978bdd xen/xen_initial_domain: check that xen_start_info is initialized
Since commit commit 4c071ee526 ("arm:
initial Xen support") PV on HVM guests can be xen_initial_domain.
However PV on HVM guests might have an unitialized xen_start_info, so
check before accessing its fields.

Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Acked-by: Ian Campbell <Ian.Campbell@citrix.com>
Reported-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
2012-10-03 13:03:32 -04:00
Eric W. Biederman
702e490211 userns: Fix build of drivers/staging/dgrp
Explicitly test for GLOBAL_ROOT_UID and GLOBAL_ROOT_GID
instead of using 0, allowing dgrp to compile and work
properly when user namespace support is enabled.

Cc: Bill Pemberton <wfp5p@virginia.edu>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
2012-10-03 09:52:08 -07:00
Linus Torvalds
a54dfb1a84 Devicetree updates for 3.7
- Import of latest upstream device tree compiler (dtc)
 - New function of_get_child_by_name
 - Support for #size-cells of 0 and #addr-cells of >2
 - Couple of DT binding documentation updates
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Merge tag 'dt-for-3.7' of git://sources.calxeda.com/kernel/linux

Pull devicetree updates from Rob Herring:
 - Import of latest upstream device tree compiler (dtc)
 - New function of_get_child_by_name
 - Support for #size-cells of 0 and #addr-cells of >2
 - Couple of DT binding documentation updates

Fix up trivial conflicts due to of_get_child_by_name() having been added
next to the new of_get_next_available_child().

* tag 'dt-for-3.7' of git://sources.calxeda.com/kernel/linux:
  MAINTAINERS: add scripts/dtc under Devicetree maintainers
  dtc: import latest upstream dtc
  dt: Document general interrupt controller bindings
  dt/s3c64xx/spi: Use of_get_child_by_name to get a named child
  dt: introduce of_get_child_by_name to get child node by name
  of: i2c: add support for wakeup-source property
  of/address: Handle #address-cells > 2 specially
  DT: export of_irq_to_resource_table()
  devicetree: serial: Add documentation for imx serial
  devicetree: pwm: mxs-pwm.txt: Fix reg field annotation
  of: Allow busses with #size-cells=0
2012-10-03 09:44:08 -07:00
Alex Elder
6285bc2312 ceph: avoid 32-bit page index overflow
A pgoff_t is defined (by default) to have type (unsigned long).  On
architectures such as i686 that's a 32-bit type.  The ceph address
space code was attempting to produce 64 bit offsets by shifting a
page's index by PAGE_CACHE_SHIFT, but the result was not what was
desired because the shift occurred before the result got promoted
to 64 bits.

Fix this by converting all uses of page->index used in this way to
use the page_offset() macro, which ensures the 64-bit result has the
intended value.

This fixes http://tracker.newdream.net/issues/3112

Reported-by:  Mohamed Pakkeer <pakkeer.mohideen@realimage.com>
Signed-off-by: Alex Elder <elder@inktank.com>
Reviewed-by: Sage Weil <sage@inktank.com>
2012-10-03 10:51:18 -05:00
Sage Weil
457712a0bc ceph: return EIO on invalid layout on GET_DATALOC ioctl
If the user calls GET_DATALOC on a file with an invalid (e.g.,
zeroed) layout, return EIO to userland.

Signed-off-by: Sage Weil <sage@inktank.com>
Reviewed-by: Alex Elder <elder@inktank.com>
2012-10-03 10:51:17 -05:00
Linus Torvalds
eb0ad9c06d JFS TRIM support and some minor fixes
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Merge tag 'jfs-3.7' of git://github.com/kleikamp/linux-shaggy

Pull JFS update from Dave Kleikamp:
 "JFS TRIM support and some minor fixes"

* tag 'jfs-3.7' of git://github.com/kleikamp/linux-shaggy:
  jfs: Fix do_div precision in commit b40c2e66
  JFS: use list_move instead of list_del/list_add
  jfs: Remove obsolete email address
  fs/jfs: TRIM support for JFS Filesystem
2012-10-03 08:48:21 -07:00
joshua.a.hay@intel.com
df376f0de1 ixgbe: add support for X540-AT1
This patch adds device support for Ethernet Controller X540-AT1.

Signed-off-by: Josh Hay <joshua.a.hay@intel.com>
Tested-by: Phil Schmitt <phillip.j.schmitt@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2012-10-03 08:38:30 -07:00
Emil Tantilov
4a97df0bfa ixgbe: fix poll loop for FDIRCTRL.INIT_DONE bit
The loop in ixgbe_reinit_fdir_tables_82599() only polls for up to 100us
resulting in failures to update the FDIR filter table at 1Gbps and 10Gbps
when under load.

The poll times for FDIRCTRL.INIT_DONE are 55us, 550us and 5.5ms for 10Gbps,
1Gbps and 100Mbps respectively.

This patch sets the wait time to be the same as in ixgbe_fdir_enable_82599()

Reported-by: Bhushan <shashi-sm@users.sf.net>
Signed-off-by: Emil Tantilov <emil.s.tantilov@intel.com>
Tested-by: Phil Schmitt <phillip.j.schmitt@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2012-10-03 08:36:11 -07:00
Jacob Keller
1cc92eb871 ixgbe: fix PTP ethtool timestamping function
This patch fixes a development issue that occurred due to invalid modes reported
in the ethtool get_ts_info function. The issue is resolved by removing
unsupported modes from the Rx supported list.

CC: stable <stable@vger.kernel.org> [3.5]
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Tested-by: Phil Schmitt <phillip.j.schmitt@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2012-10-03 08:35:00 -07:00
Jacob Keller
db0677fa29 ixgbe: (PTP) Fix PPS interrupt code
Driver was enabling PPS interrupt even when user wasn't enabling it via the
ptp core. This patch fixes the PPS so that it is only enabled explicitly, and
moves the interrupt enabling code into the correct location in the driver

Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Cc: Stable <stable@vger.kernel.org> [3.5]
Tested-by: Phil Schmitt <phillip.j.schmitt@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2012-10-03 07:57:04 -07:00
Arnaldo Carvalho de Melo
e60fc847ce perf evlist: Remove some unused methods
Those were introduced in a previous attempt at implementing 'trace', but
are not being used anywhere, ditch them.

Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Namhyung Kim <namhyung@gmail.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/n/tip-ruhm5gocoh32pb7gnr0ai6gh@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2012-10-03 11:52:07 -03:00
Jacob Keller
8208367371 ixgbe: Fix PTP X540 SDP alignment code for PPS signal
This patch fixes a bug in the method used for calculating the trigger
alignment for SDP0 when enabling a PPS output on the X540. The alignment math
wasn't properly taking into account the overflow cyclecounter, and was
misaligning the pin triggers so that two X540 devices synced properly had
mis-aligned SDP pins. This patch fixes the math to calculate the correct
seconds alignment for the PPS signal.

Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Tested-by: Phil Schmitt <phillip.j.schmitt@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2012-10-03 07:47:46 -07:00