Commit Graph

525930 Commits

Author SHA1 Message Date
Andy Gospodarek
0eeb075fad net: ipv4 sysctl option to ignore routes when nexthop link is down
This feature is only enabled with the new per-interface or ipv4 global
sysctls called 'ignore_routes_with_linkdown'.

net.ipv4.conf.all.ignore_routes_with_linkdown = 0
net.ipv4.conf.default.ignore_routes_with_linkdown = 0
net.ipv4.conf.lo.ignore_routes_with_linkdown = 0
...

When the above sysctls are set, will report to userspace that a route is
dead and will no longer resolve to this nexthop when performing a fib
lookup.  This will signal to userspace that the route will not be
selected.  The signalling of a RTNH_F_DEAD is only passed to userspace
if the sysctl is enabled and link is down.  This was done as without it
the netlink listeners would have no idea whether or not a nexthop would
be selected.   The kernel only sets RTNH_F_DEAD internally if the
interface has IFF_UP cleared.

With the new sysctl set, the following behavior can be observed
(interface p8p1 is link-down):

default via 10.0.5.2 dev p9p1
10.0.5.0/24 dev p9p1  proto kernel  scope link  src 10.0.5.15
70.0.0.0/24 dev p7p1  proto kernel  scope link  src 70.0.0.1
80.0.0.0/24 dev p8p1  proto kernel  scope link  src 80.0.0.1 dead linkdown
90.0.0.0/24 via 80.0.0.2 dev p8p1  metric 1 dead linkdown
90.0.0.0/24 via 70.0.0.2 dev p7p1  metric 2
90.0.0.1 via 70.0.0.2 dev p7p1  src 70.0.0.1
    cache
local 80.0.0.1 dev lo  src 80.0.0.1
    cache <local>
80.0.0.2 via 10.0.5.2 dev p9p1  src 10.0.5.15
    cache

While the route does remain in the table (so it can be modified if
needed rather than being wiped away as it would be if IFF_UP was
cleared), the proper next-hop is chosen automatically when the link is
down.  Now interface p8p1 is linked-up:

default via 10.0.5.2 dev p9p1
10.0.5.0/24 dev p9p1  proto kernel  scope link  src 10.0.5.15
70.0.0.0/24 dev p7p1  proto kernel  scope link  src 70.0.0.1
80.0.0.0/24 dev p8p1  proto kernel  scope link  src 80.0.0.1
90.0.0.0/24 via 80.0.0.2 dev p8p1  metric 1
90.0.0.0/24 via 70.0.0.2 dev p7p1  metric 2
192.168.56.0/24 dev p2p1  proto kernel  scope link  src 192.168.56.2
90.0.0.1 via 80.0.0.2 dev p8p1  src 80.0.0.1
    cache
local 80.0.0.1 dev lo  src 80.0.0.1
    cache <local>
80.0.0.2 dev p8p1  src 80.0.0.1
    cache

and the output changes to what one would expect.

If the sysctl is not set, the following output would be expected when
p8p1 is down:

default via 10.0.5.2 dev p9p1
10.0.5.0/24 dev p9p1  proto kernel  scope link  src 10.0.5.15
70.0.0.0/24 dev p7p1  proto kernel  scope link  src 70.0.0.1
80.0.0.0/24 dev p8p1  proto kernel  scope link  src 80.0.0.1 linkdown
90.0.0.0/24 via 80.0.0.2 dev p8p1  metric 1 linkdown
90.0.0.0/24 via 70.0.0.2 dev p7p1  metric 2

Since the dead flag does not appear, there should be no expectation that
the kernel would skip using this route due to link being down.

v2: Split kernel changes into 2 patches, this actually makes a
behavioral change if the sysctl is set.  Also took suggestion from Alex
to simplify code by only checking sysctl during fib lookup and
suggestion from Scott to add a per-interface sysctl.

v3: Code clean-ups to make it more readable and efficient as well as a
reverse path check fix.

v4: Drop binary sysctl

v5: Whitespace fixups from Dave

v6: Style changes from Dave and checkpatch suggestions

v7: One more checkpatch fixup

Signed-off-by: Andy Gospodarek <gospo@cumulusnetworks.com>
Signed-off-by: Dinesh Dutt <ddutt@cumulusnetworks.com>
Acked-by: Scott Feldman <sfeldma@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-06-24 02:15:54 -07:00
Andy Gospodarek
8a3d03166f net: track link-status of ipv4 nexthops
Add a fib flag called RTNH_F_LINKDOWN to any ipv4 nexthops that are
reachable via an interface where carrier is off.  No action is taken,
but additional flags are passed to userspace to indicate carrier status.

This also includes a cleanup to fib_disable_ip to more clearly indicate
what event made the function call to replace the more cryptic force
option previously used.

v2: Split out kernel functionality into 2 patches, this patch simply
sets and clears new nexthop flag RTNH_F_LINKDOWN.

v3: Cleanups suggested by Alex as well as a bug noticed in
fib_sync_down_dev and fib_sync_up when multipath was not enabled.

v5: Whitespace and variable declaration fixups suggested by Dave.

v6: Style fixups noticed by Dave; ran checkpatch to be sure I got them
all.

Signed-off-by: Andy Gospodarek <gospo@cumulusnetworks.com>
Signed-off-by: Dinesh Dutt <ddutt@cumulusnetworks.com>
Acked-by: Scott Feldman <sfeldma@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-06-24 02:15:54 -07:00
Vivien Didelot
5c8079d049 net: switchdev: ignore unsupported bridge flags
switchdev_port_bridge_getlink() queries SWITCHDEV_ATTR_PORT_BRIDGE_FLAGS
attributes, but a driver doesn't need to implement this in order to get
bridge link information.

So error out only on errors different than -EOPNOTSUPP.

(This is a follow-up patch for 7d4f8d8.)

Fixes: 8793d0a664 ("switchdev: add new switchdev_port_bridge_getlink")
Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Acked-by: Jiri Pirko <jiri@resnulli.us>
Acked-by: Scott Feldman <sfeldma@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-06-24 01:06:34 -07:00
Pavel Fedin
bd049a90e5 net: Cavium: Fix MAC address setting in shutdown state
This bug pops up with NetworkManager on Fedora 21. NetworkManager tends to
stop the interface (nicvf_stop() is called) before changing settings. In
stopped state MAC cannot be sent to a PF. However, when the interface is
restarted (nicvf_open() is called), we ping the PF using NIC_MBOX_MSG_READY
message, and the PF replies back with old MAC address, overriding what we
had after MAC setting from userspace. As a result, we cannot set MAC
address using NetworkManager.

This patch introduces special tracking of MAC change in stopped state so
that the correct new MAC address is sent to a PF when interface is reopen.

Signed-off-by: Pavel Fedin <p.fedin@samsung.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-06-24 01:02:53 -07:00
Stephen Rothwell
8beeef8de4 drivers: net: xgene: fix for ACPI support without ACPI
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-06-24 01:00:57 -07:00
Julian Anastasov
34b99df4e6 ip: report the original address of ICMP messages
ICMP messages can trigger ICMP and local errors. In this case
serr->port is 0 and starting from Linux 4.0 we do not return
the original target address to the error queue readers.
Add function to define which errors provide addr_offset.
With this fix my ping command is not silent anymore.

Fixes: c247f0534c ("ip: fix error queue empty skb handling")
Signed-off-by: Julian Anastasov <ja@ssi.bg>
Acked-by: Willem de Bruijn <willemb@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-06-24 00:48:08 -07:00
David S. Miller
12d4ae9d99 Merge branch 'mlx-next'
Or Gerlitz says:

====================
Mellanox NIC drivers update, June 23 2015

This series has two fixes from Eran to his recent SRIOV counters work in
mlx4 and few more updates from Saeed and Achiad to the mlx5 Ethernet
code. All fixes here relate to net-next code, so no need for -stable.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2015-06-24 00:42:48 -07:00
Saeed Mahameed
99611ba127 net/mlx5e: Prefetch skb data on RX
Prefetch the 1st cache line used by the buffer pointed by
the skb linear data.

Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-06-24 00:42:41 -07:00
Achiad Shochat
a1f5a1a87a net/mlx5e: Pop cq outside mlx5e_get_cqe
Separate between mlx5e_get_cqe() and mlx5_cqwq_pop(), this helps for
better code readability and better CQ buffer management.

Signed-off-by: Achiad Shochat <achiad@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-06-24 00:42:41 -07:00
Achiad Shochat
e33910548a net/mlx5e: Remove mlx5e_cq.sqrq back-pointer
Use container_of() instead.

Signed-off-by: Achiad Shochat <achiad@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-06-24 00:42:39 -07:00
Achiad Shochat
8ca56ce39d net/mlx5e: Remove extra spaces
Coding Style fix, remove extra spaces.

Signed-off-by: Achiad Shochat <achiad@mellanox.com>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-06-24 00:42:39 -07:00
Achiad Shochat
059ba072eb net/mlx5e: Avoid TX CQE generation if more xmit packets expected
In order to save PCI BW consumed by TX CQEs and to reduce the amount of
CPU cache misses caused by TX CQE reading, we request TX CQE generation
only when skb->xmit_more=0.

As a consequence of the above, a single TX CQE may now indicate the
transmission completion of multiple TX SKBs.

This also handles a problem introduced in commit b1b8105ebf41 "net/mlx5e:
Support NETIF_F_SG" where we didn't ask for NOP completions while the
driver didn't have the proper code to handle this case.

Fixes: b1b8105ebf41 ('net/mlx5e: Support NETIF_F_SG')
Signed-off-by: Achiad Shochat <achiad@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-06-24 00:42:37 -07:00
Achiad Shochat
9fc5930625 net/mlx5e: Avoid redundant dev_kfree_skb() upon NOP completion
NOP completion SKBs are always NULL.

Signed-off-by: Achiad Shochat <achiad@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-06-24 00:42:37 -07:00
Achiad Shochat
ef583d037d net/mlx5e: Remove re-assignment of wq type in mlx5e_enable_rq()
It is already assigned at mlx5e_build_rq_param()

Signed-off-by: Achiad Shochat <achiad@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-06-24 00:42:36 -07:00
Saeed Mahameed
fb6c6f2529 net/mlx5e: Use skb_shinfo(skb)->gso_segs rather than counting them
Instead of counting number of gso fragments, we can use
skb_shinfo(skb)->gso_segs.

Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-06-24 00:42:35 -07:00
Saeed Mahameed
03289b88e3 net/mlx5e: Static mapping of netdev priv resources to/from netdev TX queues
To save per-packet calculations, we use the following static mappings:
1) priv {channel, tc} to netdev txq (used @mlx5e_selec_queue())
2) netdev txq to priv sq (used @mlx5e_xmit())

Thanks to these static mappings, no more need for a separate implementation
of ndo_start_xmit when multiple TCs are configured.
We believe the performance improvement of such separation would be negligible, if any.
The previous way of dynamically calculating the above mappings required
allocating more TX queues than actually used (@alloc_etherdev_mqs()),
which is now no longer needed.

Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-06-24 00:42:34 -07:00
Eran Ben Elisha
f1a3badb0b net/mlx4_en: Use HW counters for rx/tx bytes/packets in PF device
Under SRIOV, the port rx/tx bytes/packets statistics should by read
from the HW instead of using the PF netdevice SW accounting. This is
needed in order to get the full port statistics and not just the PF
own ones

Signed-off-by: Eran Ben Elisha <eranbe@mellanox.com>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-06-24 00:42:33 -07:00
Eran Ben Elisha
9a2abf5a80 net/mlx4_en: Fix off-by-four in ethtool
NUM_ALL_STATS was not updated with the new four entries, instead
NUM_FLOW_STATS was updated, fix it. that caused off-by-four for all
counters below pf_*_*.

Fixes: b42de4d012 ('net/mlx4_en: Show PF own statistics via ethtool')
Signed-off-by: Eran Ben Elisha <eranbe@mellanox.com>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-06-24 00:42:32 -07:00
Linus Torvalds
6eae81a5e2 IOMMU Updates for Linux v4.2
This time with bigger changes than usual:
 
 	* A new IOMMU driver for the ARM SMMUv3. This IOMMU is pretty
 	  different from SMMUv1 and v2 in that it is configured through
 	  in-memory structures and not through the MMIO register region.
 	  The ARM SMMUv3 also supports IO demand paging for PCI devices
 	  with PRI/PASID capabilities, but this is not implemented in
 	  the driver yet.
 
 	* Lots of cleanups and device-tree support for the Exynos IOMMU
 	  driver. This is part of the effort to bring Exynos DRM support
 	  upstream.
 
 	* Introduction of default domains into the IOMMU core code. The
 	  rationale behind this is to move functionalily out of the
 	  IOMMU drivers to common code to get to a unified behavior
 	  between different drivers.
 	  The patches here introduce a default domain for iommu-groups
 	  (isolation groups). A device will now always be attached to a
 	  domain, either the default domain or another domain handled by
 	  the device driver. The IOMMU drivers have to be modified to
 	  make use of that feature. So long the AMD IOMMU driver is
 	  converted, with others to follow.
 
 	* Patches for the Intel VT-d drvier to fix DMAR faults that
 	  happen when a kdump kernel boots. When the kdump kernel boots
 	  it re-initializes the IOMMU hardware, which destroys all
 	  mappings from the crashed kernel. As this happens before
 	  the endpoint devices are re-initialized, any in-flight DMA
 	  causes a DMAR fault. These faults cause PCI master aborts,
 	  which some devices can't handle properly and go into an
 	  undefined state, so that the device driver in the kdump kernel
 	  fails to initialize them and the dump fails.
 	  This is now fixed by copying over the mapping structures (only
 	  context tables and interrupt remapping tables) from the old
 	  kernel and keep the old mappings in place until the device
 	  driver of the new kernel takes over. This emulates the the
 	  behavior without an IOMMU to the best degree possible.
 
 	* A couple of other small fixes and cleanups.
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Merge tag 'iommu-updates-v4.2' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu

Pull IOMMU updates from Joerg Roedel:
 "This time with bigger changes than usual:

   - A new IOMMU driver for the ARM SMMUv3.

     This IOMMU is pretty different from SMMUv1 and v2 in that it is
     configured through in-memory structures and not through the MMIO
     register region.  The ARM SMMUv3 also supports IO demand paging for
     PCI devices with PRI/PASID capabilities, but this is not
     implemented in the driver yet.

   - Lots of cleanups and device-tree support for the Exynos IOMMU
     driver.  This is part of the effort to bring Exynos DRM support
     upstream.

   - Introduction of default domains into the IOMMU core code.

     The rationale behind this is to move functionalily out of the IOMMU
     drivers to common code to get to a unified behavior between
     different drivers.  The patches here introduce a default domain for
     iommu-groups (isolation groups).

     A device will now always be attached to a domain, either the
     default domain or another domain handled by the device driver.  The
     IOMMU drivers have to be modified to make use of that feature.  So
     long the AMD IOMMU driver is converted, with others to follow.

   - Patches for the Intel VT-d drvier to fix DMAR faults that happen
     when a kdump kernel boots.

     When the kdump kernel boots it re-initializes the IOMMU hardware,
     which destroys all mappings from the crashed kernel.  As this
     happens before the endpoint devices are re-initialized, any
     in-flight DMA causes a DMAR fault.  These faults cause PCI master
     aborts, which some devices can't handle properly and go into an
     undefined state, so that the device driver in the kdump kernel
     fails to initialize them and the dump fails.

     This is now fixed by copying over the mapping structures (only
     context tables and interrupt remapping tables) from the old kernel
     and keep the old mappings in place until the device driver of the
     new kernel takes over.  This emulates the the behavior without an
     IOMMU to the best degree possible.

   - A couple of other small fixes and cleanups"

* tag 'iommu-updates-v4.2' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu: (69 commits)
  iommu/amd: Handle large pages correctly in free_pagetable
  iommu/vt-d: Don't disable IR when it was previously enabled
  iommu/vt-d: Make sure copied over IR entries are not reused
  iommu/vt-d: Copy IR table from old kernel when in kdump mode
  iommu/vt-d: Set IRTA in intel_setup_irq_remapping
  iommu/vt-d: Disable IRQ remapping in intel_prepare_irq_remapping
  iommu/vt-d: Move QI initializationt to intel_setup_irq_remapping
  iommu/vt-d: Move EIM detection to intel_prepare_irq_remapping
  iommu/vt-d: Enable Translation only if it was previously disabled
  iommu/vt-d: Don't disable translation prior to OS handover
  iommu/vt-d: Don't copy translation tables if RTT bit needs to be changed
  iommu/vt-d: Don't do early domain assignment if kdump kernel
  iommu/vt-d: Allocate si_domain in init_dmars()
  iommu/vt-d: Mark copied context entries
  iommu/vt-d: Do not re-use domain-ids from the old kernel
  iommu/vt-d: Copy translation tables from old kernel
  iommu/vt-d: Detect pre enabled translation
  iommu/vt-d: Make root entry visible for hardware right after allocation
  iommu/vt-d: Init QI before root entry is allocated
  iommu/vt-d: Cleanup log messages
  ...
2015-06-23 18:27:19 -07:00
Linus Torvalds
54245ed870 MTD fixes for 4.2
JFFS2
 
  * fix a theoretical unbalanced locking issue; the lock handling was a bit
    unclean, but AFAICT, it didn't actually lead to real deadlocks
 
 NAND
 
  * brcmnand driver: new driver supporting NAND controller found originally on
    Broadcom STB SoCs (BCM7xxx), but now also found on BCM63xxx, iProc (e.g.,
    Cygnus, BCM5301x), BCM3xxx, and more
 
  * Begin factoring out BBT code so it can be shared between traditional
    (parallel) NAND drivers and upcoming SPI NAND drivers (WIP)
 
  * Add common DT-based init support, so nand_base can pick up some flash
    properties automatically, using established common NAND DT properties
 
  * mxc_nand: support 8-bit ECC
 
  * pxa3xx_nand:
    - fix build for ARM64
    - use a jiffies-based timeout
 
 SPI NOR
 
  * Add a few new IDs
 
  * Clear out some unnecessary entries
 
  * Make sure SECT_4K flags are correct for all (?) entries
 
 Core
 
  * Fix mtd->usecount race conditions (BUG_ON())
 
  * Switch to modern PM ops
 
 Other
 
  * CFI: save code space by de-inlining large functions
 
  * Clean up some partition parser selection code across several drivers
 
  * Various miscellaneous changes, mostly minor
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Merge tag 'for-linus-20150623' of git://git.infradead.org/linux-mtd

Pull MTD updates from Brian Norris:
 "JFFS2:
   - fix a theoretical unbalanced locking issue; the lock handling was a
     bit unclean, but AFAICT, it didn't actually lead to real deadlocks

  NAND:
   - brcmnand driver: new driver supporting NAND controller found
     originally on Broadcom STB SoCs (BCM7xxx), but now also found on
     BCM63xxx, iProc (e.g., Cygnus, BCM5301x), BCM3xxx, and more

   - begin factoring out BBT code so it can be shared between
     traditional (parallel) NAND drivers and upcoming SPI NAND drivers
     (WIP)

   - add common DT-based init support, so nand_base can pick up some
     flash properties automatically, using established common NAND DT
     properties

   - mxc_nand: support 8-bit ECC

   - pxa3xx_nand:
     * fix build for ARM64
     * use a jiffies-based timeout

  SPI NOR:
   - add a few new IDs

   - clear out some unnecessary entries

   - make sure SECT_4K flags are correct for all (?) entries

  Core:
   - fix mtd->usecount race conditions (BUG_ON())

   - switch to modern PM ops

  Other:
   - CFI: save code space by de-inlining large functions

   - clean up some partition parser selection code across several
     drivers

   - various miscellaneous changes, mostly minor"

* tag 'for-linus-20150623' of git://git.infradead.org/linux-mtd: (57 commits)
  mtd: docg3: Fix kasprintf() usage
  mtd: docg3: Don't leak docg3->bbt in error path
  mtd: nandsim: Fix kasprintf() usage
  mtd: cs553x_nand: Fix kasprintf() usage
  mtd: r852: Fix device_create_file() usage
  mtd: brcmnand: drop unnecessary initialization
  mtd: propagate error codes from add_mtd_device()
  mtd: diskonchip: remove two-phase partitioning / registration
  mtd: dc21285: use raw spinlock functions for nw_gpio_lock
  mtd: chips: fixup dependencies, to prevent build error
  mtd: cfi_cmdset_0002: Initialize datum before calling map_word_load_partial
  mtd: cfi: deinline large functions
  mtd: lantiq-flash: use default partition parsers
  mtd: plat_nand: use default partition probe
  mtd: nand: correct indentation within conditional
  mtd: remove incorrect file name
  mtd: blktrans: use better error code for unimplemented ioctl()
  mtd: maps: Spelling s/reseved/reserved/
  mtd: blktrans: change blktrans_getgeo return value
  mtd: mxc_nand: generate nand_ecclayout for 8 bit ECC
  ...
2015-06-23 17:38:39 -07:00
Linus Torvalds
84e9c87e6f == Changes to existing drivers ==
- Constify structures; throughout the subsystem
    - Move support to DT in; cros_ec
    - DT changes and documentation; cros-ec, max77693, max77686, arizona, da9063
    - ACPI changes and documentation; mfd-core
    - Use different platform specific API in; cros_ec_*, arizona-core
    - Remove unused parent field from; cros_ec_i2c
    - Add wake-up/reset delay in; cross_ec_spi, arizona-core
    - Staticise structures/functions in; cros_ec
    - Remove redundant code; arizona-core, max77686
    - Bugfix; twl4030-power
    - Allow compile test; aat2870, tps65910
    - MAINTAINERS adaptions; samsung, syscon
    - Resource Management (devm_*); arizona-core
    - Refactor Reset code; arizona-core
    - Insist on at least one full boot; arizona-core
    - Trivial formatting; arizona-core
    - Add low-power-sleep; arizona-core
    - IRQ ONESHOT changes; twl4030-irq, mc13xxx-core, wm831x-auxadc, htc-i2cpld,
                           wm8350-core, ab8500-debugfs, ab8500-gpadc, si476x-i2c
 
  == (Re-)moved drivers ==
    - Move protocol helpers out to drivers/platform; cros_ec
 
  == New drivers/supported devices ==
    - Add support for AXP22x into axp20x
    - Add support for OnKey into da9063-core
    - Add support for Pinctrl into mt6397-core
    - New STMicroelectronics LPC Watchdog driver
    - New STMicroelectronics LPC Real-Time Clock driver
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Merge tag 'mfd-for-linus-4.2' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd

Pull MFD updates from Lee Jones:
 "Changes to existing drivers:
   - Constify structures; throughout the subsystem
   - Move support to DT in; cros_ec
   - DT changes and documentation; cros-ec, max77693, max77686, arizona, da9063
   - ACPI changes and documentation; mfd-core
   - Use different platform specific API in; cros_ec_*, arizona-core
   - Remove unused parent field from; cros_ec_i2c
   - Add wake-up/reset delay in; cross_ec_spi, arizona-core
   - Staticise structures/functions in; cros_ec
   - Remove redundant code; arizona-core, max77686
   - Bugfix; twl4030-power
   - Allow compile test; aat2870, tps65910
   - MAINTAINERS adaptions; samsung, syscon
   - Resource Management (devm_*); arizona-core
   - Refactor Reset code; arizona-core
   - Insist on at least one full boot; arizona-core
   - Trivial formatting; arizona-core
   - Add low-power-sleep; arizona-core
   - IRQ ONESHOT changes; twl4030-irq, mc13xxx-core, wm831x-auxadc, htc-i2cpld,
                          wm8350-core, ab8500-debugfs, ab8500-gpadc, si476x-i2c

  (Re-)moved drivers:
   - Move protocol helpers out to drivers/platform; cros_ec

  New drivers/supported devices:
   - Add support for AXP22x into axp20x
   - Add support for OnKey into da9063-core
   - Add support for Pinctrl into mt6397-core
   - New STMicroelectronics LPC Watchdog driver
   - New STMicroelectronics LPC Real-Time Clock driver"

* tag 'mfd-for-linus-4.2' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd: (59 commits)
  mfd: lpc_ich: Assign subdevice ids automatically
  mfd: si476x-i2c: Pass the IRQF_ONESHOT flag
  mfd: ab8500-gpadc: Pass the IRQF_ONESHOT flag
  mfd: ab8500-debugfs: Pass the IRQF_ONESHOT flag
  mfd: wm8350-core: Pass the IRQF_ONESHOT flag
  mfd: htc-i2cpld: Pass the IRQF_ONESHOT flag
  mfd: wm831x-auxadc: Pass the IRQF_ONESHOT flag
  mfd: mc13xxx-core: Pass the IRQF_ONESHOT flag
  mfd: twl4030-irq: Pass the IRQF_ONESHOT flag
  mfd: mt6397-core: Add GPIO sub-module support
  mfd: arizona: Add convience defines for micd_rate/micd_bias_starttime
  mfd: dt: Add bindings for DA9063 OnKey
  mfd: da9063: Add support for OnKey driver
  mfd: arizona: Fix incorrect Makefile conditionals
  mfd: arizona: Add stub for wm5102_patch()
  mfd: Check ACPI device companion before checking resources
  Documentation: Add WM8998/WM1814 device tree bindings
  mfd: arizona: Split INx_MODE into two fields
  mfd: wm5110: Add delay before releasing reset line
  mfd: arizona: Add better support for system suspend
  ...
2015-06-23 17:31:27 -07:00
Linus Torvalds
7fe0bf908d regulator: Updates for v4.2
Another fairly quiet release, some new drivers with generic handling for
 minor features but nothing that makes a substantial difference outside
 of the subsystem or for most boards:
 
  - Support for a bunch of new parameters which are present on enough
    regulators to be worth having generic handling for in the framework.
  - Fixes for some issues with printing constraints during boot which
    should probably have gone in for v4.1 but didn't.
  - New drivers for Dialog DA9062, Maxim MAX77621 and Qualcomm SPMI regulators.
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Merge tag 'regulator-v4.2' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator

Pull regulator updates from Mark Brown:
 "Another fairly quiet release, some new drivers with generic handling
  for minor features but nothing that makes a substantial difference
  outside of the subsystem or for most boards:

   - support for a bunch of new parameters which are present on enough
     regulators to be worth having generic handling for in the
     framework.

   - fixes for some issues with printing constraints during boot which
     should probably have gone in for v4.1 but didn't.

   - new drivers for Dialog DA9062, Maxim MAX77621 and Qualcomm SPMI
     regulators"

* tag 'regulator-v4.2' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator: (45 commits)
  regulator: qcom_spmi: Fix calculating number of voltages
  regulator: qcom_spmi: Add missing braces for aligned code
  regulator: fix simple_return.cocci warnings
  regulator: Add QCOM SPMI regulator driver
  regulator: Add docbook for soft start
  regulator: Add input current limit support
  regulator: Add soft start support
  regulator: Add pull down support
  regulator: Add system_load constraint
  regulator: max8973: Fix up ramp_delay for MAX8973_RAMP_25mV_PER_US case
  regulator: core: replace sprintf with scnprintf
  regulator: core: fix constraints output buffer
  regulator: core: Don't corrupt display when printing uV offsets
  regulator: max8973: add support for MAX77621
  regulator: max8973: configure ramp delay through callback
  regulator: pwm-regulator: Diffientiate between dev (device) and rdev (regulator_dev)
  regulator: pwm-regulator: Remove superfluous is_enabled check
  regulator: pwm-regulator: Remove unnecessary descriptor attribute from ddata
  regulator: core: Don't spew backtraces on duplicate sysfs
  regulator: da9063: Fix up irq leak
  ...
2015-06-23 17:30:20 -07:00
Linus Torvalds
5a602e157a spi: Updates for v4.2
No framework updates for the SPI API this time around aside from one
 small fix, just driver improvments.  Some highlights include:
 
  - New driver support for CSR USP, Mikrotik RB4xx and Zynq GQSPI
    controllers.
  - Modernisation of the OMAP McSPI controller driver, moving it to
    current APIs to enable support for a wider range of client drivers.
  - DMA support for the bcm2835 controller.
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Merge tag 'spi-v4.2' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi

Pull spi updates from Mark Brown:
 "No framework updates for the SPI API this time around aside from one
  small fix, just driver improvments.  Some highlights include:

   - New driver support for CSR USP, Mikrotik RB4xx and Zynq GQSPI
     controllers.

   - Modernisation of the OMAP McSPI controller driver, moving it to
     current APIs to enable support for a wider range of client drivers.

   - DMA support for the bcm2835 controller"

* tag 'spi-v4.2' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi: (60 commits)
  spi: zynq: Remove execute bit
  spi: atmel: add support to FIFOs
  spi: atmel: update DT bindings documentation
  spi: spi-fsl-dspi: Update DT binding documentation
  spi: pxa2xx: Constify ACPI device ids
  spi: Add support for Zynq Ultrascale+ MPSoC GQSPI controller
  spi: zynq: Add DT bindings documentation for Zynq Ultrascale+ MPSoC GQSPI controller
  spi: fsl-dspi: Use pinctrl PM helpers
  spi: davinci: change the lower limit of pre-scale divider to 1
  spi: spi-fsl-dspi: Change the way of increasing spi_message->actual_length
  spi: spi-fsl-dspi: Enable TCF interrupt mode support
  spi: atmel: add support for the internal chip-select of the spi controller
  spi: spi-pxa2xx: remove legacy PXA DMA bits
  spi: pxa2xx: Make LPSS SPI general register optional
  spi: pxa2xx: Prepare for new Intel LPSS SPI type
  spi: pxa2xx: Differentiate Intel LPSS types
  spi: restore rx/tx_buf in case of unset CONFIG_HAS_DMA
  spi: rspi: Re-do the returning value of qspi_transfer_out_in
  spi: rspi: modify the name of "qspi_trigger_transfer_out_int" function
  spi: orion: Fix extended baud rates for each Armada SoCs
  ...
2015-06-23 17:27:09 -07:00
Linus Torvalds
e12bdf0d92 regmap: Fixes for v4.2
As well as a few fixes and updates for API changes there's two new
 features for the API:
 
  - Better support for handling a reset of the underlying hardware,
    marking the register map as needing a resync to the device when
    we need to do that automatically.
  - Support for querying the size and stride of the register map,
    allowing higher level frameworks to configure themselves more
    readily.
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Merge tag 'regmap-v4.2' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap

Pull regmap updates from Mark Brown:
 "As well as a few fixes and updates for API changes there's two new
  features for the API:

   - Better support for handling a reset of the underlying hardware,
     marking the register map as needing a resync to the device when we
     need to do that automatically

   - Support for querying the size and stride of the register map,
     allowing higher level frameworks to configure themselves more
     readily"

* tag 'regmap-v4.2' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap:
  regmap: Fix possible shift overflow in regmap_field_init()
  regmap: Fix regmap_bulk_read in BE mode
  regmap: kill off set_irq_flags usage
  regmap: irq: Fixed a typo error
  regmap: drop unneeded goto
  regmap: Introduce regmap_get_reg_stride
  regmap: Introduce regmap_get_max_register
  regmap: Use regcache_mark_dirty() to indicate power loss or reset
  regmap: Add a helper function for regcache sync test
  regmap: Constify irq_domain_ops
2015-06-23 17:25:32 -07:00
Linus Torvalds
1a13e36a79 fbdev changes for 4.2
* ssd1307fb: various fixes and improvements, SSD1305 support
 * Use architecture agnostic functions instead of MTRR functions in various
   fbdev drivers
 * TI DRA7xx SoC display support (arch/arm/ side)
 * OMAPDSS componentization to fix probing order issues
 * OMAPDSS scaling fixes
 * msm_fb: remove obsoleted driver
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Merge tag 'fbdev-4.2' of git://git.kernel.org/pub/scm/linux/kernel/git/tomba/linux

Pull fbdev updates from Tomi Valkeinen:

 - ssd1307fb: various fixes and improvements, SSD1305 support

 - use architecture agnostic functions instead of MTRR functions in
   various fbdev drivers

 - TI DRA7xx SoC display support (arch/arm/ side)

 - OMAPDSS componentization to fix probing order issues

 - OMAPDSS scaling fixes

 - msm_fb: remove obsoleted driver

* tag 'fbdev-4.2' of git://git.kernel.org/pub/scm/linux/kernel/git/tomba/linux: (77 commits)
  msm: msm_fb: Remove dead code
  OMAPDSS: HDMI: wait for framedone when stopping video
  OMAPDSS: HDMI4: fix error handling
  OMAPDSS: DISPC: scaler debug print
  OMAPDSS: DISPC: do only y decimation on OMAP3
  OMAPDSS: DISPC: check if scaling setup failed
  OMAPDSS: DISPC: fix 64 bit issue in 5-tap
  OMAPDSS: DISPC: fix row_inc for OMAP3
  OMAPDSS: DISPC: add check for scaling limits
  OMAPDSS: DISPC: fix check_horiz_timing_omap3 args
  OMAPDSS: DISPC: fix predecimation for YUV modes
  OMAPDSS: DISPC: work-around for errata i631
  OMAPDSS: simplify submodule reg/unreg code
  OMAPDSS: componentize omapdss
  OMAPDSS: reorder uninit calls
  OMAPDSS: remove uses of __init/__exit
  OMAPDSS: fix dss_init_ports error handling
  OMAPDSS: refactor dss probe function
  OMAPDSS: move 'dss_initialized' to dss driver
  fbdev: propagate result of fb_videomode_from_videomode()
  ...
2015-06-23 16:23:30 -07:00
Linus Torvalds
36a1624d88 power supply and reset changes for the v4.2 series
* New charger drivers: BQ24257, BQ25890, AXP288, RT9455
  * MAX17042 battery: add health & temperature support
  * BQ2415x charger: add ACPI support
  * misc. fixes and cleanups
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Merge tag 'for-4.2' of git://git.infradead.org/battery-2.6

Pull power supply and reset updates from Sebastian Reichel:

 - new charger drivers: BQ24257, BQ25890, AXP288, RT9455

 - MAX17042 battery: add health & temperature support

 - BQ2415x charger: add ACPI support

 - misc fixes and cleanups

* tag 'for-4.2' of git://git.infradead.org/battery-2.6: (32 commits)
  power_supply: Correct kerneldoc copy paste errors
  wm831x_power: Fix off-by-one at free_irq()
  power_supply: rt9455_charger: Fix error reported by static analysis tool
  power_supply: bq24257: use flags argument of devm_gpiod_get
  power_supply: bq25890: use flags argument of devm_gpiod_get
  sbs-battery: add option to always register battery
  power: Add devm_power_supply_get_by_phandle() helper function
  power_supply: max17042: Add OF support for setting thresholds
  power_supply: sysfs: Bring back write to writeable properties
  power_supply: rt9455_charger: Check if CONFIG_USB_PHY is enabled
  power: reset: gpio-restart: increase priority slightly
  power_supply: bq25890: make chip_id int
  power_supply: Add support for Richtek RT9455 battery charger
  Documentation: devicetree: Add Richtek RT9455 bindings
  of: Add vendor prefix for Richtek Technology Corporation
  power_supply: 88pm860x_charger: Do not call free_irq() twice
  power: bq24190_charger: Change first_time flag reset condition
  power: axp288_charger: axp288 charger driver
  power: max17042_battery: add HEALTH and TEMP_* properties support
  power_supply: Add support for TI BQ25890 charger chip
  ...
2015-06-23 16:10:27 -07:00
Linus Torvalds
5262f25f09 HSI changes for the v4.2 series
* misc. fixes
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Merge tag 'hsi-for-4.2' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-hsi

Pull HSI updates from Sebastian Reichel:
 "Misc fixes"

* tag 'hsi-for-4.2' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-hsi:
  HSI: nokia-modem: use flags argument of devm_gpiod_get to set direction
  HSI: nokia-modem: Reduce missing driver message to debug level
  HSI: cmt_speech: fix timestamp interface
2015-06-23 16:05:37 -07:00
Linus Torvalds
acd53127c4 SCSI misc on 20150622
This is the usual grab bag of driver updates (lpfc, hpsa,
 megaraid_sas, cxgbi, be2iscsi) plus an assortment of minor updates.
 There are also one new driver: the Cisco snic; the advansys driver has
 been rewritten to get rid of the warning about converting it to the
 DMA API, the tape statistics patch got in and finally, there's a
 resuffle of SCSI header files to separate more cleanly initiator from
 target mode (and better share the common definitions).
 
 Signed-off-by: James Bottomley <JBottomley@Odin.com>
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Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi

Pull SCSI updates from James Bottomley:
 "This is the usual grab bag of driver updates (lpfc, hpsa,
  megaraid_sas, cxgbi, be2iscsi) plus an assortment of minor updates.

  There is also one new driver: the Cisco snic.  The advansys driver has
  been rewritten to get rid of the warning about converting it to the
  DMA API, the tape statistics patch got in and finally, there's a
  resuffle of SCSI header files to separate more cleanly initiator from
  target mode (and better share the common definitions)"

* tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (156 commits)
  snic: driver for Cisco SCSI HBA
  qla2xxx: Fix indentation
  qla2xxx: Comment out unreachable code
  fusion: remove dead MTRR code
  advansys: fix compilation errors and warnings when CONFIG_PCI is not set
  mptsas: fix depth param in scsi_track_queue_full
  megaraid: fix irq setup process regression
  lpfc: Update version to 10.7.0.0 for upstream patch set.
  lpfc: Fix to drop PLOGIs from fabric node till LOGO processing completes
  lpfc: Fix scsi task management error message.
  lpfc: Fix cq_id masking problem.
  lpfc: Fix scsi prep dma buf error.
  lpfc: Add support for using block multi-queue
  lpfc: Devices are not discovered during takeaway/giveback testing
  lpfc: Fix vport deletion failure.
  lpfc: Check for active portpeerbeacon.
  lpfc: Update driver version for upstream patch set 10.6.0.1.
  lpfc: Change buffer pool empty message to miscellaneous category
  lpfc: Fix incorrect log message reported for empty FCF record.
  lpfc: Fix rport leak.
  ...
2015-06-23 15:55:44 -07:00
Linus Torvalds
f9d1b5a31a Changes for 4.2
- A large cleanup of how device capabilities are checked for various
   features
 - Additional cleanups in the MAD processing
 - Update to the srp driver
 - Creation and use of centralized log message helpers
 - Add const to a number of args to calls and clean up call chain
 - Add support for extended cq create verb
 - Add support for timestamps on cq completion
 - Add support for processing OPA MAD packets
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dledford/rdma

Pull rdma updates from Doug Ledford:

 - a large cleanup of how device capabilities are checked for various
   features

 - additional cleanups in the MAD processing

 - update to the srp driver

 - creation and use of centralized log message helpers

 - add const to a number of args to calls and clean up call chain

 - add support for extended cq create verb

 - add support for timestamps on cq completion

 - add support for processing OPA MAD packets

* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dledford/rdma: (92 commits)
  IB/mad: Add final OPA MAD processing
  IB/mad: Add partial Intel OPA MAD support
  IB/mad: Add partial Intel OPA MAD support
  IB/core: Add OPA MAD core capability flag
  IB/mad: Add support for additional MAD info to/from drivers
  IB/mad: Convert allocations from kmem_cache to kzalloc
  IB/core: Add ability for drivers to report an alternate MAD size.
  IB/mad: Support alternate Base Versions when creating MADs
  IB/mad: Create a generic helper for DR forwarding checks
  IB/mad: Create a generic helper for DR SMP Recv processing
  IB/mad: Create a generic helper for DR SMP Send processing
  IB/mad: Split IB SMI handling from MAD Recv handler
  IB/mad cleanup: Generalize processing of MAD data
  IB/mad cleanup: Clean up function params -- find_mad_agent
  IB/mlx4: Add support for CQ time-stamping
  IB/mlx4: Add mmap call to map the hardware clock
  IB/core: Pass hardware specific data in query_device
  IB/core: Add timestamp_mask and hca_core_clock to query_device
  IB/core: Extend ib_uverbs_create_cq
  IB/core: Add CQ creation time-stamping flag
  ...
2015-06-23 15:53:26 -07:00
Linus Torvalds
2ad7b44f5d Merge branch 'for-linus-clk' of git://ftp.arm.linux.org.uk/~rmk/linux-arm
Pull clkdev updates from Russell King:
 "This series addresses some breakage in clkdev caused by a previous
  patch set from the clk tree which introduced per-user clk structures.
  This basically renamed the existing 'struct clk' to 'struct clk_hw',
  and introduced a new 'struct clk'.

  This change will break anyone using clk_add_alias() with the common
  clk code enabled.  Thankfully, the intersection of users of
  clk_add_alias() and those using the common clk code is practically
  zero, but this is something which should be fixed to keep the code
  sane.

  The problem is that clk_add_alias() does this:

        r = clk_get(...);
        l = clkdev_alloc(r, ...);
        clk_put(...);

  which causes the alias to store a pointer to 'r', which has been
  freed.

  The original patch set tried to work around this problem incorrectly -
  at clk_get() time, it tried to convert the struct clk to a struct
  clk_hw, and then creating a new struct clk from that.  Clearly, if the
  original struct clk has been freed, then we have a use-after-free bug.

  We have other places in the tree which do something similar, so this
  series also addresses those locations too.

  This series addresses this problem by converting clkdev to store and
  use the clk_hw pointer.  This allows clk_get() to only have to create
  it's per-user struct clk from the clk_hw.  We can also get to the
  desired clk_hw at clk_add_alias() or clk lookup creation time, when
  the struct clk is "alive".

  We also perform some cleanups of the code:

   - replacing looped calls to clkdev_add() with clkdev_add_table()

   - replacing open-coded lookup allocation (which should have been
     using clkdev_alloc()) and subsequent clkdev_add() with
     clkdev_create()

   - replacing open-coded clk_add_alias() with clk_add_alias()"

* 'for-linus-clk' of git://ftp.arm.linux.org.uk/~rmk/linux-arm:
  clk: s2mps11: use clkdev_create()
  ASoC: migor: use clkdev_create()
  ARM: omap2: use clkdev_add_alias()
  ARM: omap2: use clkdev_create()
  ARM: orion: use clkdev_create()
  ARM: lpc32xx: convert to use clkdev_add_table()
  SH: use clkdev_add_table()
  clkdev: add clkdev_create() helper
  clkdev: const-ify connection id to clk_add_alias()
  clkdev: get rid of redundant clk_add_alias() prototype in linux/clk.h
  clkdev: drop __init from clkdev_add_table()
  clk: update clk API documentation to clarify clk_round_rate()
  clkdev: use clk_hw internally
2015-06-23 15:50:46 -07:00
Linus Torvalds
43c9fad942 Power management and ACPI material for v4.2-rc1
- ACPICA update to upstream revision 20150515 including basic
    support for ACPI 6 features: new ACPI tables introduced by
    ACPI 6 (STAO, XENV, WPBT, NFIT, IORT), changes related to the
    other tables (DTRM, FADT, LPIT, MADT), new predefined names
    (_BTH, _CR3, _DSD, _LPI, _MTL, _PRR, _RDI, _RST, _TFP, _TSN),
    fixes and cleanups (Bob Moore, Lv Zheng).
 
  - ACPI device power management core code update to follow ACPI 6
    which reflects the ACPI device power management implementation
    in Windows (Rafael J Wysocki).
 
  - Rework of the backlight interface selection logic to reduce the
    number of kernel command line options and improve the handling
    of DMI quirks that may be involved in that and to make the
    code generally more straightforward (Hans de Goede).
 
  - Fixes for the ACPI Embedded Controller (EC) driver related to
    the handling of EC transactions (Lv Zheng).
 
  - Fix for a regression related to the ACPI resources management
    and resulting from a recent change of ACPI initialization code
    ordering (Rafael J Wysocki).
 
  - Fix for a system initialization regression related to ACPI
    introduced during the 3.14 cycle and caused by running the
    code that switches the platform over to the ACPI mode too
    early in the initialization sequence (Rafael J Wysocki).
 
  - Support for the ACPI _CCA device configuration object related
    to DMA cache coherence (Suravee Suthikulpanit).
 
  - ACPI/APEI fixes and cleanups (Jiri Kosina, Borislav Petkov).
 
  - ACPI battery driver cleanups (Luis Henriques, Mathias Krause).
 
  - ACPI processor driver cleanups (Hanjun Guo).
 
  - Cleanups and documentation update related to the ACPI device
    properties interface based on _DSD (Rafael J Wysocki).
 
  - ACPI device power management fixes (Rafael J Wysocki).
 
  - Assorted cleanups related to ACPI (Dominik Brodowski. Fabian
    Frederick, Lorenzo Pieralisi, Mathias Krause, Rafael J Wysocki).
 
  - Fix for a long-standing issue causing General Protection Faults
    to be generated occasionally on return to user space after resume
    from ACPI-based suspend-to-RAM on 32-bit x86 (Ingo Molnar).
 
  - Fix to make the suspend core code return -EBUSY consistently in
    all cases when system suspend is aborted due to wakeup detection
    (Ruchi Kandoi).
 
  - Support for automated device wakeup IRQ handling allowing drivers
    to make their PM support more starightforward (Tony Lindgren).
 
  - New tracepoints for suspend-to-idle tracing and rework of the
    prepare/complete callbacks tracing in the PM core (Todd E Brandt,
    Rafael J Wysocki).
 
  - Wakeup sources framework enhancements (Jin Qian).
 
  - New macro for noirq system PM callbacks (Grygorii Strashko).
 
  - Assorted cleanups related to system suspend (Rafael J Wysocki).
 
  - cpuidle core cleanups to make the code more efficient (Rafael J
    Wysocki).
 
  - powernv/pseries cpuidle driver update (Shilpasri G Bhat).
 
  - cpufreq core fixes related to CPU online/offline that should
    reduce the overhead of these operations quite a bit, unless the
    CPU in question is physically going away (Viresh Kumar, Saravana
    Kannan).
 
  - Serialization of cpufreq governor callbacks to avoid race
    conditions in some cases (Viresh Kumar).
 
  - intel_pstate driver fixes and cleanups (Doug Smythies, Prarit
    Bhargava, Joe Konno).
 
  - cpufreq driver (arm_big_little, cpufreq-dt, qoriq) updates (Sudeep
    Holla, Felipe Balbi, Tang Yuantian).
 
  - Assorted cleanups in cpufreq drivers and core (Shailendra Verma,
    Fabian Frederick, Wang Long).
 
  - New Device Tree bindings for representing Operating Performance
    Points (Viresh Kumar).
 
  - Updates for the common clock operations support code in the PM
    core (Rajendra Nayak, Geert Uytterhoeven).
 
  - PM domains core code update (Geert Uytterhoeven).
 
  - Intel Knights Landing support for the RAPL (Running Average Power
    Limit) power capping driver (Dasaratharaman Chandramouli).
 
  - Fixes related to the floor frequency setting on Atom SoCs in the
    RAPL power capping driver (Ajay Thomas).
 
  - Runtime PM framework documentation update (Ben Dooks).
 
  - cpupower tool fix (Herton R Krzesinski).
 
 /
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Merge tag 'pm+acpi-4.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull power management and ACPI updates from Rafael Wysocki:
 "The rework of backlight interface selection API from Hans de Goede
  stands out from the number of commits and the number of affected
  places perspective.  The cpufreq core fixes from Viresh Kumar are
  quite significant too as far as the number of commits goes and because
  they should reduce CPU online/offline overhead quite a bit in the
  majority of cases.

  From the new featues point of view, the ACPICA update (to upstream
  revision 20150515) adding support for new ACPI 6 material to ACPICA is
  the one that matters the most as some new significant features will be
  based on it going forward.  Also included is an update of the ACPI
  device power management core to follow ACPI 6 (which in turn reflects
  the Windows' device PM implementation), a PM core extension to support
  wakeup interrupts in a more generic way and support for the ACPI _CCA
  device configuration object.

  The rest is mostly fixes and cleanups all over and some documentation
  updates, including new DT bindings for Operating Performance Points.

  There is one fix for a regression introduced in the 4.1 cycle, but it
  adds quite a number of lines of code, it wasn't really ready before
  Thursday and you were on vacation, so I refrained from pushing it on
  the last minute for 4.1.

  Specifics:

   - ACPICA update to upstream revision 20150515 including basic support
     for ACPI 6 features: new ACPI tables introduced by ACPI 6 (STAO,
     XENV, WPBT, NFIT, IORT), changes related to the other tables (DTRM,
     FADT, LPIT, MADT), new predefined names (_BTH, _CR3, _DSD, _LPI,
     _MTL, _PRR, _RDI, _RST, _TFP, _TSN), fixes and cleanups (Bob Moore,
     Lv Zheng).

   - ACPI device power management core code update to follow ACPI 6
     which reflects the ACPI device power management implementation in
     Windows (Rafael J Wysocki).

   - rework of the backlight interface selection logic to reduce the
     number of kernel command line options and improve the handling of
     DMI quirks that may be involved in that and to make the code
     generally more straightforward (Hans de Goede).

   - fixes for the ACPI Embedded Controller (EC) driver related to the
     handling of EC transactions (Lv Zheng).

   - fix for a regression related to the ACPI resources management and
     resulting from a recent change of ACPI initialization code ordering
     (Rafael J Wysocki).

   - fix for a system initialization regression related to ACPI
     introduced during the 3.14 cycle and caused by running the code
     that switches the platform over to the ACPI mode too early in the
     initialization sequence (Rafael J Wysocki).

   - support for the ACPI _CCA device configuration object related to
     DMA cache coherence (Suravee Suthikulpanit).

   - ACPI/APEI fixes and cleanups (Jiri Kosina, Borislav Petkov).

   - ACPI battery driver cleanups (Luis Henriques, Mathias Krause).

   - ACPI processor driver cleanups (Hanjun Guo).

   - cleanups and documentation update related to the ACPI device
     properties interface based on _DSD (Rafael J Wysocki).

   - ACPI device power management fixes (Rafael J Wysocki).

   - assorted cleanups related to ACPI (Dominik Brodowski, Fabian
     Frederick, Lorenzo Pieralisi, Mathias Krause, Rafael J Wysocki).

   - fix for a long-standing issue causing General Protection Faults to
     be generated occasionally on return to user space after resume from
     ACPI-based suspend-to-RAM on 32-bit x86 (Ingo Molnar).

   - fix to make the suspend core code return -EBUSY consistently in all
     cases when system suspend is aborted due to wakeup detection (Ruchi
     Kandoi).

   - support for automated device wakeup IRQ handling allowing drivers
     to make their PM support more starightforward (Tony Lindgren).

   - new tracepoints for suspend-to-idle tracing and rework of the
     prepare/complete callbacks tracing in the PM core (Todd E Brandt,
     Rafael J Wysocki).

   - wakeup sources framework enhancements (Jin Qian).

   - new macro for noirq system PM callbacks (Grygorii Strashko).

   - assorted cleanups related to system suspend (Rafael J Wysocki).

   - cpuidle core cleanups to make the code more efficient (Rafael J
     Wysocki).

   - powernv/pseries cpuidle driver update (Shilpasri G Bhat).

   - cpufreq core fixes related to CPU online/offline that should reduce
     the overhead of these operations quite a bit, unless the CPU in
     question is physically going away (Viresh Kumar, Saravana Kannan).

   - serialization of cpufreq governor callbacks to avoid race
     conditions in some cases (Viresh Kumar).

   - intel_pstate driver fixes and cleanups (Doug Smythies, Prarit
     Bhargava, Joe Konno).

   - cpufreq driver (arm_big_little, cpufreq-dt, qoriq) updates (Sudeep
     Holla, Felipe Balbi, Tang Yuantian).

   - assorted cleanups in cpufreq drivers and core (Shailendra Verma,
     Fabian Frederick, Wang Long).

   - new Device Tree bindings for representing Operating Performance
     Points (Viresh Kumar).

   - updates for the common clock operations support code in the PM core
     (Rajendra Nayak, Geert Uytterhoeven).

   - PM domains core code update (Geert Uytterhoeven).

   - Intel Knights Landing support for the RAPL (Running Average Power
     Limit) power capping driver (Dasaratharaman Chandramouli).

   - fixes related to the floor frequency setting on Atom SoCs in the
     RAPL power capping driver (Ajay Thomas).

   - runtime PM framework documentation update (Ben Dooks).

   - cpupower tool fix (Herton R Krzesinski)"

* tag 'pm+acpi-4.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (194 commits)
  cpuidle: powernv/pseries: Auto-promotion of snooze to deeper idle state
  x86: Load __USER_DS into DS/ES after resume
  PM / OPP: Add binding for 'opp-suspend'
  PM / OPP: Allow multiple OPP tables to be passed via DT
  PM / OPP: Add new bindings to address shortcomings of existing bindings
  ACPI: Constify ACPI device IDs in documentation
  ACPI / enumeration: Document the rules regarding the PRP0001 device ID
  ACPI / video: Make acpi_video_unregister_backlight() private
  acpi-video-detect: Remove old API
  toshiba-acpi: Port to new backlight interface selection API
  thinkpad-acpi: Port to new backlight interface selection API
  sony-laptop: Port to new backlight interface selection API
  samsung-laptop: Port to new backlight interface selection API
  msi-wmi: Port to new backlight interface selection API
  msi-laptop: Port to new backlight interface selection API
  intel-oaktrail: Port to new backlight interface selection API
  ideapad-laptop: Port to new backlight interface selection API
  fujitsu-laptop: Port to new backlight interface selection API
  eeepc-laptop: Port to new backlight interface selection API
  dell-wmi: Port to new backlight interface selection API
  ...
2015-06-23 14:18:07 -07:00
Linus Torvalds
cb8a4deaf9 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial
Pull trivial tree updates from Jiri Kosina:
 "As usual, mostly comment, kerneldoc and printk() fixes"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial:
  lpfc: Grammar s/an negative/a negative/
  ARM: lib/lib1funcs.S: fix typo s/substractions/subtractions/
  cx25821: cx25821-medusa-reg.h: fix 0x0x prefix
  lib: crc-itu-t.[ch] fix 0x0x prefix in integer constants
  rapidio: Fix kerneldoc and comment
  qla4xxx: Fix printk() in qla4_83xx_read_reset_template() and qla4_83xx_pre_loopback_config()
  treewide: Kconfig: fix wording / spelling
  usb/serial: fix grammar in Kconfig help text for FTDI_SIO
  megaraid_sas: fix kerneldoc
  netfilter: ebtables: fix comment grammar
  drm/radeon: fix comment
  isdn: fix grammar in comment
  ARM: KVM: fix comment
2015-06-23 14:08:54 -07:00
Linus Torvalds
0faef837e4 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/livepatching
Pull livepatching fixes from Jiri Kosina:

 - symbol lookup locking fix, from Miroslav Benes

 - error handling improvements in case of failure of the module coming
   notifier, from Minfei Huang

 - we were too pessimistic when kASLR has been enabled on x86 and were
   dropping address hints on the floor unnecessarily in such case.  Fix
   from Jiri Kosina

 - a few other small fixes and cleanups

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/livepatching:
  livepatch: add module locking around kallsyms calls
  livepatch: annotate klp_init() with __init
  livepatch: introduce patch/func-walking helpers
  livepatch: make kobject in klp_object statically allocated
  livepatch: Prevent patch inconsistencies if the coming module notifier fails
  livepatch: match return value to function signature
  x86: kaslr: fix build due to missing ALIGN definition
  livepatch: x86: make kASLR logic more accurate
  x86: introduce kaslr_offset()
2015-06-23 14:07:26 -07:00
Linus Torvalds
67db8a8086 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid
Pull HID updates from Jiri Kosina:

 - spurious power/wakeup sysfs files removal for I2C-HID devices, from
   Andrew Duggan

 - Logitech M560 support, from Goffredo Baroncelli

 - a lot of housekeeping cleanups to hid-lg4ff driver, from Michal Maly

 - improved support for Plantronics devices, from Terry Junge

 - Sony Motion Controller and Navigation Controller support and
   subsequent cleanups of hid-sony driver, from Frank Praznik and Simon
   Wood

 - HW support improvements to the Wacom driver, from Jason Gerecke and
   Ping Cheng

 - assorted small cleanups and device ID additions all over the place

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid: (69 commits)
  HID: cypress: use swap() in cp_report_fixup()
  HID: microsoft: Add Surface Power Cover
  HID: hid-sony: Fix report descriptor for Navigation Controller
  HID: hid-sony: Navigation controller only has 1 LED and no rumble
  HID: hid-sony: Add BT support for Navigation Controller
  HID: wacom: Introduce new 'touch_input' device
  HID: wacom: Split apart 'wacom_setup_pentouch_input_capabilites'
  HID: wacom: Introduce a new WACOM_DEVICETYPE_PAD device_type
  HID: wacom: Treat features->device_type values as flags
  HID: wacom: Simplify 'wacom_update_name'
  HID: rmi: Disable populating F30 when the touchpad has physical buttons
  HID: plantronics: Update to map volume up/down controls
  HID: sony: PS Move fix report descriptor
  HID: sony: PS3 Move enable LEDs and Rumble via BT
  HID: sony: Add support PS3 Move Battery via BT
  HID: sony: Add quirk for MOTION_CONTROLLER_BT
  HID: sony: Support PS3 Move Controller when connected via Bluetooth
  HID: i2c-hid: Do not set the ACPI companion field in the HID device
  usb, HID: Remove Vernier devices from lsusb and hid_ignore_list
  HID: hidpp: Add driver for mouse logitech M560
  ...
2015-06-23 14:05:52 -07:00
Linus Torvalds
a394c6a0b3 Merge git://git.kernel.org/pub/scm/linux/kernel/git/brodo/pcmcia
Pull PCMCIA update from Dominik Brodowski:
 "A few PCMCIA fixes and cleanups are available in the PCMCIA tree.

  Most of them are trivial and self-explanatory.  Of particular note are
  the last three patches which add an important hardware quirk for
  Toshiba ToPIC95 sockets (or BIOS breakage on systems with these
  sockets), fix resource leaks in yenta_socket enable/disable call
  paths, and fix a regression caused by patch 1c6c9b1d9d since v4.0.

  Alan stated he is OK with me pushing this patch upstream.  Once it
  works out well in your tree, I will push it to stable for 4.0/4.1 as
  well"

* git://git.kernel.org/pub/scm/linux/kernel/git/brodo/pcmcia:
  pcmcia: do not break rsrc_nonstatic when handling anonymous cards
  pcmcia: Fix resource leaks in yenta_probe() and _close()
  Disable write buffering on Toshiba ToPIC95
  pcmcia: Convert dev_printk to dev_<level>
  pcmcia/vrc4171: Remove typedefs for enums and struct
  pcmcia: Remove typedef in structs and emum
  pcmcia: Remove typedef tuple_flags
  drivers: pcmcia: electra_cf.c fix checkpatch error and warnings
  drivers: pcmcia: ds.c fix checkpatch errors
  PCMCIA: Remove commented references to dead class_device_create_file()
  drivers/pcmcia/electra_cf.c: add missing iounmap and kfree
  pcmcia: replace open-coded ARRAY_SIZE with macro
2015-06-23 14:04:00 -07:00
Linus Torvalds
d8133356e9 PCI changes for the v4.2 merge window:
Enumeration
     - Move pci_ari_enabled() to global header (Alex Williamson)
     - Account for ARI in _PRT lookups (Alex Williamson)
     - Remove unused pci_scan_bus_parented() (Yijing Wang)
 
   Resource management
     - Use host bridge _CRS info on systems with >32 bit addressing (Bjorn Helgaas)
     - Use host bridge _CRS info on Foxconn K8M890-8237A (Bjorn Helgaas)
     - Fix pci_address_to_pio() conversion of CPU address to I/O port (Zhichang Yuan)
     - Add pci_bus_addr_t (Yinghai Lu)
 
   PCI device hotplug
     - Wait for pciehp command completion where necessary (Alex Williamson)
     - Drop pointless ACPI-based "slot detection" check (Rafael J. Wysocki)
     - Check ignore_hotplug for all downstream devices (Rafael J. Wysocki)
     - Propagate the "ignore hotplug" setting to parent (Rafael J. Wysocki)
     - Inline pciehp "handle event" functions into the ISR (Bjorn Helgaas)
     - Clean up pciehp debug logging (Bjorn Helgaas)
 
   Power management
     - Remove redundant PCIe port type checking (Yijing Wang)
     - Add dev->has_secondary_link to track downstream PCIe links (Yijing Wang)
     - Use dev->has_secondary_link to find downstream links for ASPM (Yijing Wang)
     - Drop __pci_disable_link_state() useless "force" parameter (Bjorn Helgaas)
     - Simplify Clock Power Management setting (Bjorn Helgaas)
 
   Virtualization
     - Add ACS quirks for Intel 9-series PCH root ports (Alex Williamson)
     - Add function 1 DMA alias quirk for Marvell 9120 (Sakari Ailus)
 
   MSI
     - Disable MSI at enumeration even if kernel doesn't support MSI (Michael S. Tsirkin)
     - Remove unused pci_msi_off() (Bjorn Helgaas)
     - Rename msi_set_enable(), msix_clear_and_set_ctrl() (Michael S.  Tsirkin)
     - Export pci_msi_set_enable(), pci_msix_clear_and_set_ctrl() (Michael S. Tsirkin)
     - Drop pci_msi_off() calls during probe (Michael S. Tsirkin)
 
   APM X-Gene host bridge driver
     - Add APM X-Gene v1 PCIe MSI/MSIX termination driver (Duc Dang)
     - Add APM X-Gene PCIe MSI DTS nodes (Duc Dang)
     - Disable Configuration Request Retry Status for v1 silicon (Duc Dang)
     - Allow config access to Root Port even when link is down (Duc Dang)
 
   Broadcom iProc host bridge driver
     - Allow override of device tree IRQ mapping function (Hauke Mehrtens)
     - Add BCMA PCIe driver (Hauke Mehrtens)
     - Directly add PCI resources (Hauke Mehrtens)
     - Free resource list after registration (Hauke Mehrtens)
 
   Freescale i.MX6 host bridge driver
     - Add speed change timeout message (Troy Kisky)
     - Rename imx6_pcie_start_link() to imx6_pcie_establish_link() (Bjorn Helgaas)
 
   Freescale Layerscape host bridge driver
     - Use dw_pcie_link_up() consistently (Bjorn Helgaas)
     - Factor out ls_pcie_establish_link() (Bjorn Helgaas)
 
   Marvell MVEBU host bridge driver
     - Remove mvebu_pcie_scan_bus() (Yijing Wang)
 
   NVIDIA Tegra host bridge driver
     - Remove tegra_pcie_scan_bus() (Yijing Wang)
 
   Synopsys DesignWare host bridge driver
     - Consolidate outbound iATU programming functions (Jisheng Zhang)
     - Use iATU0 for cfg and IO, iATU1 for MEM (Jisheng Zhang)
     - Add support for x8 links (Zhou Wang)
     - Wait for link to come up with consistent style (Bjorn Helgaas)
     - Use pci_scan_root_bus() for simplicity (Yijing Wang)
 
   TI DRA7xx host bridge driver
     - Use dw_pcie_link_up() consistently (Bjorn Helgaas)
 
   Miscellaneous
     - Include <linux/pci.h>, not <asm/pci.h> (Bjorn Helgaas)
     - Remove unnecessary #includes of <asm/pci.h> (Bjorn Helgaas)
     - Remove unused pcibios_select_root() (again) (Bjorn Helgaas)
     - Remove unused pci_dma_burst_advice() (Bjorn Helgaas)
     - xen/pcifront: Don't use deprecated function pci_scan_bus_parented() (Arnd Bergmann)
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Merge tag 'pci-v4.2-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci

Pull PCI updates from Bjorn Helgaas:
 "PCI changes for the v4.2 merge window:

  Enumeration
    - Move pci_ari_enabled() to global header (Alex Williamson)
    - Account for ARI in _PRT lookups (Alex Williamson)
    - Remove unused pci_scan_bus_parented() (Yijing Wang)

  Resource management
    - Use host bridge _CRS info on systems with >32 bit addressing (Bjorn Helgaas)
    - Use host bridge _CRS info on Foxconn K8M890-8237A (Bjorn Helgaas)
    - Fix pci_address_to_pio() conversion of CPU address to I/O port (Zhichang Yuan)
    - Add pci_bus_addr_t (Yinghai Lu)

  PCI device hotplug
    - Wait for pciehp command completion where necessary (Alex Williamson)
    - Drop pointless ACPI-based "slot detection" check (Rafael J. Wysocki)
    - Check ignore_hotplug for all downstream devices (Rafael J. Wysocki)
    - Propagate the "ignore hotplug" setting to parent (Rafael J. Wysocki)
    - Inline pciehp "handle event" functions into the ISR (Bjorn Helgaas)
    - Clean up pciehp debug logging (Bjorn Helgaas)

  Power management
    - Remove redundant PCIe port type checking (Yijing Wang)
    - Add dev->has_secondary_link to track downstream PCIe links (Yijing Wang)
    - Use dev->has_secondary_link to find downstream links for ASPM (Yijing Wang)
    - Drop __pci_disable_link_state() useless "force" parameter (Bjorn Helgaas)
    - Simplify Clock Power Management setting (Bjorn Helgaas)

  Virtualization
    - Add ACS quirks for Intel 9-series PCH root ports (Alex Williamson)
    - Add function 1 DMA alias quirk for Marvell 9120 (Sakari Ailus)

  MSI
    - Disable MSI at enumeration even if kernel doesn't support MSI (Michael S. Tsirkin)
    - Remove unused pci_msi_off() (Bjorn Helgaas)
    - Rename msi_set_enable(), msix_clear_and_set_ctrl() (Michael S.  Tsirkin)
    - Export pci_msi_set_enable(), pci_msix_clear_and_set_ctrl() (Michael S. Tsirkin)
    - Drop pci_msi_off() calls during probe (Michael S. Tsirkin)

  APM X-Gene host bridge driver
    - Add APM X-Gene v1 PCIe MSI/MSIX termination driver (Duc Dang)
    - Add APM X-Gene PCIe MSI DTS nodes (Duc Dang)
    - Disable Configuration Request Retry Status for v1 silicon (Duc Dang)
    - Allow config access to Root Port even when link is down (Duc Dang)

  Broadcom iProc host bridge driver
    - Allow override of device tree IRQ mapping function (Hauke Mehrtens)
    - Add BCMA PCIe driver (Hauke Mehrtens)
    - Directly add PCI resources (Hauke Mehrtens)
    - Free resource list after registration (Hauke Mehrtens)

  Freescale i.MX6 host bridge driver
    - Add speed change timeout message (Troy Kisky)
    - Rename imx6_pcie_start_link() to imx6_pcie_establish_link() (Bjorn Helgaas)

  Freescale Layerscape host bridge driver
    - Use dw_pcie_link_up() consistently (Bjorn Helgaas)
    - Factor out ls_pcie_establish_link() (Bjorn Helgaas)

  Marvell MVEBU host bridge driver
    - Remove mvebu_pcie_scan_bus() (Yijing Wang)

  NVIDIA Tegra host bridge driver
    - Remove tegra_pcie_scan_bus() (Yijing Wang)

  Synopsys DesignWare host bridge driver
    - Consolidate outbound iATU programming functions (Jisheng Zhang)
    - Use iATU0 for cfg and IO, iATU1 for MEM (Jisheng Zhang)
    - Add support for x8 links (Zhou Wang)
    - Wait for link to come up with consistent style (Bjorn Helgaas)
    - Use pci_scan_root_bus() for simplicity (Yijing Wang)

  TI DRA7xx host bridge driver
    - Use dw_pcie_link_up() consistently (Bjorn Helgaas)

  Miscellaneous
    - Include <linux/pci.h>, not <asm/pci.h> (Bjorn Helgaas)
    - Remove unnecessary #includes of <asm/pci.h> (Bjorn Helgaas)
    - Remove unused pcibios_select_root() (again) (Bjorn Helgaas)
    - Remove unused pci_dma_burst_advice() (Bjorn Helgaas)
    - xen/pcifront: Don't use deprecated function pci_scan_bus_parented() (Arnd Bergmann)"

* tag 'pci-v4.2-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci: (58 commits)
  PCI: pciehp: Inline the "handle event" functions into the ISR
  PCI: pciehp: Rename queue_interrupt_event() to pciehp_queue_interrupt_event()
  PCI: pciehp: Make queue_interrupt_event() void
  PCI: xgene: Allow config access to Root Port even when link is down
  PCI: xgene: Disable Configuration Request Retry Status for v1 silicon
  PCI: pciehp: Clean up debug logging
  x86/PCI: Use host bridge _CRS info on systems with >32 bit addressing
  PCI: imx6: Add #define PCIE_RC_LCSR
  PCI: imx6: Use "u32", not "uint32_t"
  PCI: Remove unused pci_scan_bus_parented()
  xen/pcifront: Don't use deprecated function pci_scan_bus_parented()
  PCI: imx6: Add speed change timeout message
  PCI/ASPM: Simplify Clock Power Management setting
  PCI: designware: Wait for link to come up with consistent style
  PCI: layerscape: Factor out ls_pcie_establish_link()
  PCI: layerscape: Use dw_pcie_link_up() consistently
  PCI: dra7xx: Use dw_pcie_link_up() consistently
  x86/PCI: Use host bridge _CRS info on Foxconn K8M890-8237A
  PCI: pciehp: Wait for hotplug command completion where necessary
  PCI: Remove unused pci_dma_burst_advice()
  ...
2015-06-23 13:41:24 -07:00
Linus Torvalds
234a56c80a hwmon changes for v4.2
- New driver for Microchip TC74
 - Support for ncpXXwf104 added to ntc_thermistor driver
 - Minor cleanup
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Merge tag 'hwmon-for-linus-v4.2' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging

Pull hwmon updates from Guenter Roeck:

 - new driver for Microchip TC74

 - support for ncpXXwf104 added to ntc_thermistor driver

 - minor cleanup

* tag 'hwmon-for-linus-v4.2' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging:
  hwmon: add driver for Microchip TC74
  hwmon: (ntc_thermistor) Improve precision of resistance calculation
  hwmon: (ntc_thermistor) fix iio raw to microvolts conversion
  hwmon: (atxp1) Drop auto-detection
  hwmon: (atxp1) Drop FSF mailing address
  hwmon: Allow compile test of GPIO consumers if !GPIOLIB
  hwmon: (sht15) Constify platform_device_id
  hwmon: (max197) Constify platform_device_id
  hwmon: (ntc_thermistor) Add support for ncpXXwf104
2015-06-23 13:39:56 -07:00
Linus Torvalds
a57f14bac0 MMC core:
- Fix an error path in the mmc block layer
  - Fix PM domain attachment for the SDIO bus
  - Add support for driver strength selection
  - Increase a delay to let voltage stabilize
  - Add support for disabling write-protect detection
  - Add facility to support re-tuning
  - Re-tune and retry in the recovery path
  - Add reset option for SDIO
  - Consolidations and clean-ups
 
 MMC host:
  - Add Mediatek MMC driver
  - Constify platform_device_id for a couple of hosts
  - Fix modalias to make module auto-loading work for a couple of hosts
  - sdhci: Add support for sdhci-arasan4.9a
  - sdhci: Fix low memory corruption
  - sdhci: Restore behavior while creating OCR mask
  - sdhci: Add a callback to select drive strength
  - sdhci: Fix driver type B and D handling
  - sdhci: Add support for drive strength selection for SPT
  - sdhci: Enable HS400 for some Intel host controllers
  - sdhci: Convert to use the new re-tuning facility
  - sdhci: Various minor fixes and clean-ups
  - dw_mmc: Add support for hi6220
  - dw_mmc: Use core to handle absent write protect line
  - dw_mmc: Add support to switch voltage
  - tmio: Some fixes and modernizations
  - sh_mmcif: Improve clock rate calculation
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Merge tag 'mmc-v4.2' of git://git.linaro.org/people/ulf.hansson/mmc

Pull MMC updates from Ulf Hansson:
 "Here are the changes for MMC for v4.2.

  MMC core:
   - Fix an error path in the mmc block layer
   - Fix PM domain attachment for the SDIO bus
   - Add support for driver strength selection
   - Increase a delay to let voltage stabilize
   - Add support for disabling write-protect detection
   - Add facility to support re-tuning
   - Re-tune and retry in the recovery path
   - Add reset option for SDIO
   - Consolidations and clean-ups

  MMC host:
   - Add Mediatek MMC driver
   - Constify platform_device_id for a couple of hosts
   - Fix modalias to make module auto-loading work for a couple of hosts
   - sdhci: Add support for sdhci-arasan4.9a
   - sdhci: Fix low memory corruption
   - sdhci: Restore behavior while creating OCR mask
   - sdhci: Add a callback to select drive strength
   - sdhci: Fix driver type B and D handling
   - sdhci: Add support for drive strength selection for SPT
   - sdhci: Enable HS400 for some Intel host controllers
   - sdhci: Convert to use the new re-tuning facility
   - sdhci: Various minor fixes and clean-ups
   - dw_mmc: Add support for hi6220
   - dw_mmc: Use core to handle absent write protect line
   - dw_mmc: Add support to switch voltage
   - tmio: Some fixes and modernizations
   - sh_mmcif: Improve clock rate calculation"

* tag 'mmc-v4.2' of git://git.linaro.org/people/ulf.hansson/mmc: (98 commits)
  mmc: queue: prevent soft lockups on PREEMPT=n
  mmc: mediatek: Add PM support for MMC driver
  mmc: mediatek: Add Mediatek MMC driver
  mmc: dt-bindings: add Mediatek MMC bindings
  mmc: card: Fixup request missing in mmc_blk_issue_rw_rq
  mmc: sdhci: fix low memory corruption
  mmc: sdhci-pci: Change AMD SDHCI quirk application scope
  i2c-piix4: Use Macro for AMD CZ SMBus device ID
  pci_ids: Add AMD KERNCZ device ID support
  mmc: queue: use swap() in mmc_queue_thread()
  mmc: dw_mmc: insmod followed by rmmod will hung for eMMC
  mmc: sdhci: Restore behavior while creating OCR mask
  mmc: sdhci-pxav3: fix device wakeup initialization
  mmc: core: Attach PM domain prior probing of SDIO func driver
  mmc: core: Remove redundant ->power_restore() callback for SD
  mmc: core: Remove redundant ->power_restore() callback for MMC
  mmc: sdhci-bcm2835: Actually enable the clock
  mmc: sdhci-bcm2835: Clean up platform allocations if sdhci init fails.
  mmc: sdhci-of-esdhc: enable interrupt mode to detect card
  mmc: sdhci-esdhc-imx: add quirk SDHCI_QUIRK2_BROKEN_HS200 for imx6qdl
  ...
2015-06-23 13:38:04 -07:00
Linus Torvalds
10b4b096d0 This is the big bulk of GPIO changes queued for the v4.2
kernel series:
 
 - A big set of cleanups to the aged sysfs interface from
   Johan Hovold. To get these in, v4.1-rc3 was merged into
   the tree as the first patch in that series had to go
   into stable. This makes the locking much more fine-grained
   (get rid of the "big GPIO lock(s)" and store states in the
   GPIO descriptors.
 
 - Rename gpiod_[g|s]et_array() to gpiod_[g|s]et_array_value()
   to avoid confusions.
 
 - New drivers for:
   - NXP LPC18xx (currently LPC1850)
   - NetLogic XLP
   - Broadcom STB SoC's
   - Axis ETRAXFS
   - Zynq Ultrascale+ (subdriver)
 
 - ACPI:
   - Make it possible to retrieve GpioInt resources from
     a GPIO device using acpi_dev_gpio_irq_get()
   - Merge some dependent I2C changes exploiting this.
   - Support the ARM X-Gene GPIO standby driver.
 
 - Make it possible for the generic GPIO driver to read
   back the value set registers to reflect current
   status.
 
 - Loads of OMAP IRQ handling fixes.
 
 - Incremental improvements to Kona, max732x, OMAP, MXC, RCAR,
   PCA953x, STP-XWAY, PCF857x, Crystalcove, TB10x.
 
 - Janitorial (contification, checkpatch cleanups)
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Merge tag 'gpio-v4.2-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio

Pull gpio updates from Linus Walleij:
 "This is the big bulk of GPIO changes queued for the v4.2 kernel
  series:

   - a big set of cleanups to the aged sysfs interface from Johan
     Hovold.  To get these in, v4.1-rc3 was merged into the tree as the
     first patch in that series had to go into stable.  This makes the
     locking much more fine-grained (get rid of the "big GPIO lock(s)"
     and store states in the GPIO descriptors.

   - rename gpiod_[g|s]et_array() to gpiod_[g|s]et_array_value() to
     avoid confusions.

   - New drivers for:
      * NXP LPC18xx (currently LPC1850)
      * NetLogic XLP
      * Broadcom STB SoC's
      * Axis ETRAXFS
      * Zynq Ultrascale+ (subdriver)

   - ACPI:
      * make it possible to retrieve GpioInt resources from a GPIO
        device using acpi_dev_gpio_irq_get()
      * merge some dependent I2C changes exploiting this.
      * support the ARM X-Gene GPIO standby driver.

   - make it possible for the generic GPIO driver to read back the value
     set registers to reflect current status.

   - loads of OMAP IRQ handling fixes.

   - incremental improvements to Kona, max732x, OMAP, MXC, RCAR,
     PCA953x, STP-XWAY, PCF857x, Crystalcove, TB10x.

   - janitorial (constification, checkpatch cleanups)"

* tag 'gpio-v4.2-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio: (71 commits)
  gpio: Fix checkpatch.pl issues
  gpio: pcf857x: handle only enabled irqs
  gpio / ACPI: Return -EPROBE_DEFER if the gpiochip was not found
  GPIO / ACPI: export acpi_gpiochip_request(free)_interrupts for module use
  gpio: improve error reporting on own descriptors
  gpio: promote own request failure to pr_err()
  gpio: Added support to Zynq Ultrascale+ MPSoC
  gpio: add ETRAXFS GPIO driver
  fix documentation after renaming gpiod_set_array to gpiod_set_array_value
  gpio: Add GPIO support for Broadcom STB SoCs
  gpio: xgene: add ACPI support for APM X-Gene GPIO standby driver
  gpio: tb10x: Drop unneeded free_irq() call
  gpio: crystalcove: set IRQCHIP_SKIP_SET_WAKE for the irqchip
  gpio: stp-xway: Use the of_property_read_u32 helper
  gpio: pcf857x: Check for irq_set_irq_wake() failures
  gpio-stp-xway: Fix enabling the highest bit of the PHY LEDs
  gpio: Prevent an integer overflow in the pca953x driver
  gpio: omap: rework omap_gpio_irq_startup to handle current pin state properly
  gpio: omap: rework omap_gpio_request to touch only gpio specific registers
  gpio: omap: rework omap_x_irq_shutdown to touch only irqs specific registers
  ...
2015-06-23 13:34:02 -07:00
Linus Torvalds
c70c5fb2b9 pwm: Changes for v4.2-rc1
This has a couple of fixes for Atmel, Samsung and Broadcom drivers. Some
 preparatory patches for more upcoming Intel work is included as well.
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Merge tag 'pwm/for-4.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm

Pull pwm updates from Thierry Reding:
 "This has a couple of fixes for Atmel, Samsung and Broadcom drivers.

  Some preparatory patches for more upcoming Intel work is included as
  well"

* tag 'pwm/for-4.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm:
  pwm: lpss: pci: Add support for Broxton platform
  pwm: bcm-kona: Don't set polarity in probe
  pwm: Add pwmchip_add_with_polarity() API
  pwm: atmel: Fix incorrect CDTY value after disabling
  pwm: atmel: Fix incorrect CDTY value after enabling
  pwm: samsung: Use MODULE_DEVICE_TABLE() to include OF modalias
  pwm: Add support to remove registered consumer lookup tables
2015-06-23 13:32:38 -07:00
Jens Freimann
f2ae45edbc KVM: s390: clear floating interrupt bitmap and parameters
commit 6d3da24141 ("KVM: s390: deliver floating interrupts in order
of priority") introduced a regression for the reset handling.

We don't clear the bitmap of pending floating interrupts
and interrupt parameters. This could result in stale interrupts
even after a reset. Let's fix this by clearing the pending bitmap
and the parameters for service and machine check interrupts.

Cc: stable@vger.kernel.org # 4.1
Signed-off-by: Jens Freimann <jfrei@linux.vnet.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2015-06-23 17:02:39 +02:00
Hyungwon Hwang
cca0ba2df3 backlight: Change the return type of backlight_update_status() to int
Backlight device returns the result of update_status(), but
backlight_update_status() ignores it. So the consumers cannot confirm the
result of their function call. This patch makes the result to be returned
back for consumers.

Signed-off-by: Hyungwon Hwang <human.hwang@samsung.com>
Acked-by: Jingoo Han <jingoohan1@gmail.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2015-06-23 15:47:35 +01:00
Axel Lin
cdaefccefa backlight: pwm_bl: Simplify usage of devm_gpiod_get_optional
Since 39b2bbe3d7 (gpio: add flags argument to gpiod_get*() functions),
the gpiod_get* functions take an additional parameter that allows to
specify direction and initial value for output.
Simplify the usage of devm_gpiod_get_optional accordingly.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2015-06-23 15:47:34 +01:00
Sean Paul
61c1c6147f backlight: lp855x: Don't clear level on suspend/blank
Don't clear the backlight level when we're going into suspend or
blanking. Instead, just temporarily set the level to 0 so we retain
the value when we resume.

Reported-by: Benson Leung <bleung@chromium.org>
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Tested-by: Stephen Barber <smbarber@chromium.org>
Reviewed-by: Benson Leung <bleung@chromium.org>
Acked-by: Milo Kim <milo.kim@ti.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2015-06-23 15:47:33 +01:00
Geert Uytterhoeven
0e441665bc backlight: Allow compile test of GPIO consumers if !GPIOLIB
The GPIO subsystem provides dummy GPIO consumer functions if GPIOLIB is
not enabled. Hence drivers that depend on GPIOLIB, but use GPIO consumer
functionality only, can still be compiled if GPIOLIB is not enabled.

Relax the dependency on GPIOLIB if COMPILE_TEST is enabled, where
appropriate.

Cc: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2015-06-23 15:47:32 +01:00
Krzysztof Kozlowski
dba5ff95b6 video: backlight: da9052: Constify platform_device_id
The platform_device_id is not modified by the driver and core uses it as
const.

Signed-off-by: Krzysztof Kozlowski <k.kozlowski.k@gmail.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2015-06-23 15:28:59 +01:00
Arun Bharadwaj
4d866723d3 gpio-backlight: Discover driver during boot time
The gpio-backlight driver seems to be missing the
MODULE_DEVICE_TABLE line which is preventing it from
being modprobed during boot time even if the
gpio-backlight device exists.

This seems to be a bug and this patch attempts to
fix that.

Signed-off-by: Arun Bharadwaj <arun@gumstix.com>
Signed-off-by: Ash Charles <ashcharles@gmail.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2015-06-23 15:28:46 +01:00
David S. Miller
0a51f76e3c Merge branch 'xgene-next'
Suman Tripathi says:

====================
drivers: net: xgene: Fix the ACPI support for RGMII/SGMII0/XFI ethernet interfaces of APM X-Gene SoC.
====================

Signed-off-by: Iyappan Subramanian <isubramanian@apm.com>
Signed-off-by: Suman Tripathi <stripathi@apm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-06-23 07:19:27 -07:00
Suman Tripathi
c2d33bdc66 drivers: net: xgene: Check for IS_ERR rather than NULL for clock.
This patches fixes the code to check for IS_ERR rather
than NULL for clock interface.

Signed-off-by: Iyappan Subramanian <isubramanian@apm.com>
Signed-off-by: Suman Tripathi <stripathi@apm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-06-23 07:19:21 -07:00
Suman Tripathi
822e34a48d drivers: net: xgene: Add ACPI support for SGMII0 and XFI1 interface of 2nd H/W version of APM X-Gene SoC ethernet controller.
This patch adds the ACPI support for SGMII0 and XFI1 interface of
2nd H/W version of APM X-Gene SoC ethernet controller.

Signed-off-by: Iyappan Subramanian <isubramanian@apm.com>
Signed-off-by: Suman Tripathi <stripathi@apm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-06-23 07:19:21 -07:00