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691,473 commits

Author SHA1 Message Date
Xinliang Liu
b77c23a084 arm64: dts: Add HDMI node for hi6220-hikey
Add adv7533 HDMI DT node for HiKey board.

Cc: Guodong Xu <guodong.xu@linaro.org>
Cc: Wei Xu <xuwei5@hisilicon.com>
Cc: Rob Herring <robh+dt@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will.deacon@arm.com>
Cc: linux-arm-kernel@lists.infradead.org
Cc: devicetree@vger.kernel.org
Signed-off-by: Xinliang Liu <xinliang.liu@linaro.org>
Signed-off-by: John Stultz <john.stultz@linaro.org>
Signed-off-by: Wei Xu <xuwei5@hisilicon.com>
2016-08-24 16:19:34 +01:00
Xinliang Liu
3814b61bd7 arm64: dts: Add display subsystem DT nodes for hi6220-hikey
Add ade and dsi DT nodes for hikey board.

Cc: Guodong Xu <guodong.xu@linaro.org>
Cc: Wei Xu <xuwei5@hisilicon.com>
Cc: Rob Herring <robh+dt@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will.deacon@arm.com>
Cc: linux-arm-kernel@lists.infradead.org
Cc: devicetree@vger.kernel.org
Signed-off-by: Xinliang Liu <xinliang.liu@linaro.org>
Signed-off-by: John Stultz <john.stultz@linaro.org>
Signed-off-by: Wei Xu <xuwei5@hisilicon.com>
2016-08-24 16:19:34 +01:00
Jorge Ramirez-Ortiz
1b9c7b2d63 arm64: dts: set UART1 clock frequency to 150MHz
Enable support for higher baud rates (up to 3Mbps) in UART1 - required
for bluetooth transfers.

Signed-off-by: Jorge Ramirez-Ortiz <jorge.ramirez-ortiz@linaro.org>
Tested-by: Jorge Ramirez-Ortiz <jorge.ramirez-ortiz@linaro.org>
Reviewed-by: Michael Turquette <mturquette@baylibre.com>
Signed-off-by: Wei Xu <xuwei5@hisilicon.com>
2016-08-24 16:17:49 +01:00
Jon Hunter
988232412e arm64: tegra: Select PM_GENERIC_DOMAINS
Enable PM_GENERIC_DOMAINS for 64-bit Tegra devices. This is required to
ensure that devices dependent upon a particular power domain are probed
only after that power domain has been powered up.

Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2016-08-24 17:11:44 +02:00
Jon Hunter
4d3457826a arm64: tegra: Enable XUSB controller on Tegra210 Smaug
Enable the XUSB controller on Tegra210 Smaug. The Smaug has a USB Type-C
connector with one of the USB2.0 lanes and one of the USB3.0 lanes
populated.

Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2016-08-24 16:56:52 +02:00
John Stultz
21adc4d7bb Kconfig: ARCH_HISI: Add PINCTRL to HISI platform
Things won't work if PINCTRL isn't enabled,
so make sure to explicitly set it rather
then betting that we have some other platform
configed in which selects it.

Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Wei Xu <xuwei5@hisilicon.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will.deacon@arm.com>
Cc: linux-arm-kernel@lists.infradead.org
Signed-off-by: John Stultz <john.stultz@linaro.org>
Signed-off-by: Wei Xu <xuwei5@hisilicon.com>
2016-08-24 15:56:28 +01:00
Jon Hunter
3ce510a06a arm64: tegra: Add the various audio devices for Tegra210 Smaug
The Tegra210 Smaug includes the Realtek RT5677 audio codec, Nuvoton
NAU8825 headset codec and the Maxim MAX98357a audio amplifier. Add
the nodes for these devices for the Tegra210 Smaug.

Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
[treding@nvidia.com: use interrupts property consistently]
Signed-off-by: Thierry Reding <treding@nvidia.com>
2016-08-24 16:55:32 +02:00
Daniel Borkmann
dbb50887c8 Bluetooth: split sk_filter in l2cap_sock_recv_cb
During an audit for sk_filter(), we found that rx_busy_skb handling
in l2cap_sock_recv_cb() and l2cap_sock_recvmsg() looks not quite as
intended.

The assumption from commit e328140fda ("Bluetooth: Use event-driven
approach for handling ERTM receive buffer") is that errors returned
from sock_queue_rcv_skb() are due to receive buffer shortage. However,
nothing should prevent doing a setsockopt() with SO_ATTACH_FILTER on
the socket, that could drop some of the incoming skbs when handled in
sock_queue_rcv_skb().

In that case sock_queue_rcv_skb() will return with -EPERM, propagated
from sk_filter() and if in L2CAP_MODE_ERTM mode, wrong assumption was
that we failed due to receive buffer being full. From that point onwards,
due to the to-be-dropped skb being held in rx_busy_skb, we cannot make
any forward progress as rx_busy_skb is never cleared from l2cap_sock_recvmsg(),
due to the filter drop verdict over and over coming from sk_filter().
Meanwhile, in l2cap_sock_recv_cb() all new incoming skbs are being
dropped due to rx_busy_skb being occupied.

Instead, just use __sock_queue_rcv_skb() where an error really tells that
there's a receive buffer issue. Split the sk_filter() and enable it for
non-segmented modes at queuing time since at this point in time the skb has
already been through the ERTM state machine and it has been acked, so dropping
is not allowed. Instead, for ERTM and streaming mode, call sk_filter() in
l2cap_data_rcv() so the packet can be dropped before the state machine sees it.

Fixes: e328140fda ("Bluetooth: Use event-driven approach for handling ERTM receive buffer")
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Acked-by: Willem de Bruijn <willemb@google.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2016-08-24 16:55:04 +02:00
Jon Hunter
b4f10afdad arm64: tegra: Enable DPAUX for Tegra210 Smaug
The Tegra210 Smaug uses I2C6 for interfacing to various audio chips.
I2C6 shares pads with the DPAUX interface and to allow I2C6 to request
the pads owned by DPAUX, the DPAUX device needs to be enabled. Enable
DPAUX for Tegra210 Smaug.

Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2016-08-24 16:53:32 +02:00
Jon Hunter
9fab004dcb arm64: tegra: Add ACONNECT, ADMA and AGIC nodes Tegra210 Smaug
Populate the ACONNECT, ADMA and AGIC nodes for Tegra210 Smaug which
are used for audio use-cases.

Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2016-08-24 16:52:52 +02:00
Jon Hunter
96d1f078ff arm64: tegra: Add SOR power-domain for Tegra210
Add node for SOR power-domain for Tegra210 and populate the SOR
power-domain phandle for DPAUX, DSI, MIPI-CAL and SOR and nodes that are
dependent on this power-domain.

Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2016-08-24 16:51:26 +02:00
Jon Hunter
19e61213f6 arm64: tegra: Add ADMA node for Tegra210
Populate the ADMA node for Tegra210. The ADMA is used by the Audio
Processing Engine (APE) on Tegra210 for moving data between the APE
and system memory.

Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2016-08-24 16:49:57 +02:00
Frederic Dalleau
9afee94939 Bluetooth: Fix memory leak at end of hci requests
In hci_req_sync_complete the event skb is referenced in hdev->req_skb.
It is used (via hci_req_run_skb) from either __hci_cmd_sync_ev which will
pass the skb to the caller, or __hci_req_sync which leaks.

unreferenced object 0xffff880005339a00 (size 256):
  comm "kworker/u3:1", pid 1011, jiffies 4294671976 (age 107.389s)
  backtrace:
    [<ffffffff818d89d9>] kmemleak_alloc+0x49/0xa0
    [<ffffffff8116bba8>] kmem_cache_alloc+0x128/0x180
    [<ffffffff8167c1df>] skb_clone+0x4f/0xa0
    [<ffffffff817aa351>] hci_event_packet+0xc1/0x3290
    [<ffffffff8179a57b>] hci_rx_work+0x18b/0x360
    [<ffffffff810692ea>] process_one_work+0x14a/0x440
    [<ffffffff81069623>] worker_thread+0x43/0x4d0
    [<ffffffff8106ead4>] kthread+0xc4/0xe0
    [<ffffffff818dd38f>] ret_from_fork+0x1f/0x40
    [<ffffffffffffffff>] 0xffffffffffffffff

Signed-off-by: Frédéric Dalleau <frederic.dalleau@collabora.co.uk>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2016-08-24 16:49:29 +02:00
Guodong Xu
29002b8e2e arm64: defconfig: enable bluetooth supports as modules
Enable the following items for bluetooth mouse and speaker which base
on HCIUART.

a) CONFIG_BT_HCIUART
b) CONFIG_BT_HCIUART_LL
c) CONFIG_BT_HIDP

Enable bluetooth LED support.

d) CONFIG_BT_LEDS

Signed-off-by: Guodong Xu <guodong.xu@linaro.org>
Signed-off-by: Wei Xu <xuwei5@hisilicon.com>
2016-08-24 15:46:01 +01:00
Guodong Xu
acdf2a1672 arm64: defconfig: enable CONFIG_INPUT_HISI_POWERKEY for HiKey
Signed-off-by: Guodong Xu <guodong.xu@linaro.org>
Signed-off-by: Wei Xu <xuwei5@hisilicon.com>
2016-08-24 15:41:16 +01:00
Guodong Xu
d15f21a3c7 arm64: defconfig: Enable HiSilicon kirin drm, adv7533 for HiKey
Enable HiSilicon kirin drm driver for HiKey: CONFIG_DRM_HISI_KIRIN
Enable adv7511/adv7533 for HiKey: CONFIG_DRM_I2C_ADV7511

Build these components as modules.

Signed-off-by: Xinliang Liu <xinliang.liu@linaro.org>
Signed-off-by: Guodong Xu <guodong.xu@linaro.org>
Signed-off-by: Wei Xu <xuwei5@hisilicon.com>
2016-08-24 15:38:41 +01:00
Jon Hunter
bcdbde4335 arm64: tegra: Add AGIC node for Tegra210
Populate the Audio GIC (AGIC) node for Tegra210. This interrupt
controller is used by the Audio Processing Engine to route interrupts
to the main CPU interrupt controller. The AGIC is based on the ARM
GIC400 and so uses the clock name "clk" as specified by the GIC binding
document for GIC400 devices.

Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2016-08-24 16:37:08 +02:00
Kefeng Wang
d22c90aa50 arm64: defconfig: Enable Hisi SAS and HNS
Enable Hisi SAS and HNS config for D02/D03 board.

Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
Signed-off-by: Wei Xu <xuwei5@hisilicon.com>
2016-08-24 15:35:20 +01:00
Jon Hunter
98313c940a arm64: tegra: Drop clock and reset names for XUSB powergates
Drop the clock and reset names for the Tegra210 XUSB powergates because
these are not currently used and not required by the Tegra PMC binding
documentation.

Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2016-08-24 16:32:28 +02:00
Tiffany Lin
19d6837a52 [media] vcodec:mediatek: Refine VP8 encoder driver
This patch remove field and function that unused anymore

Signed-off-by: Tiffany Lin <tiffany.lin@mediatek.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2016-08-24 11:28:36 -03:00
Tiffany Lin
2d683b6dad [media] vcodec:mediatek: Refine H264 encoder driver
This patch :
1. remove field and function that unused anymore
2. add support V4L2_MPEG_VIDEO_H264_LEVEL_4_2

Signed-off-by: Tiffany Lin <tiffany.lin@mediatek.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2016-08-24 11:28:11 -03:00
Christian König
5661538749 drm/amdgpu: fix lru size grouping v2
Adding a BO can make it the insertion point for larger sizes as well.

v2: add a comment about the guard structure.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Felix Kuehling <felix.kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
2016-08-24 10:27:49 -04:00
Tiffany Lin
158d6071bc [media] vcodec:mediatek: change H264 profile default to profile high
This patch change default H264 profile from V4L2_MPEG_VIDEO_H264_PROFILE_MAIN
to V4L2_MPEG_VIDEO_H264_PROFILE_HIGH

Signed-off-by: Tiffany Lin <tiffany.lin@mediatek.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2016-08-24 11:27:38 -03:00
Tiffany Lin
16060f7ef6 [media] vcodec:mediatek: Add timestamp and timecode copy for V4L2 Encoder
This patch add copying timestamp and timecode from src buffer to dst buffer

Signed-off-by: Tiffany Lin <tiffany.lin@mediatek.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2016-08-24 11:27:10 -03:00
Tiffany Lin
91ae0e1ec6 [media] vcodec:mediatek: Fix visible_height larger than coded_height issue in s_fmt_out
The original code add extra 32 line to visible_height.
It is incorrect, 32 line should be add to coded_height.
The purpose is that user space could calcuate real buffer size needed by using
coded_width * coded_height.
But this method will make v4l2-compliance test fail, since g_fmt != s_fmt(g_fmt)
So remove extend visible_height or coded_height, user space should just
use sizeimage to get real buffer size needed

Signed-off-by: Tiffany Lin <tiffany.lin@mediatek.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2016-08-24 11:26:41 -03:00
Tiffany Lin
ad34f5412d [media] vcodec:mediatek: Fix fops_vcodec_release flow for V4L2 Encoder
This patch fix that mtk_vcodec_venc_release should be called after v4l2_m2m_ctx_release

Signed-off-by: Tiffany Lin <tiffany.lin@mediatek.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2016-08-24 11:21:43 -03:00
Shawn Lin
ffe67c2fab perf tools: Fix error handling of lzma decompression
lzma_decompress_to_file() never actually closes the file pointer, let's
fix it.

Signed-off-by: Shawn Lin <shawn.lin@rock-chips.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/1471766253-1964-1-git-send-email-shawn.lin@rock-chips.com
[ Make err = -1, the common case, set it to 0 before the error label ]
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2016-08-24 11:20:58 -03:00
Tiffany Lin
0d06108c65 [media] vcodec:mediatek:code refine for v4l2 Encoder driver
This patch remove unused header and define from haeder files

Signed-off-by: Tiffany Lin <tiffany.lin@mediatek.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2016-08-24 11:20:50 -03:00
Yakir Yang
a42f6e3f8f drm/panel: simple: Add delay timing for Sharp LQ123P1JX31
According to page 16 of the Sharp LQ123P1JX31 datasheet, we need to add
the missing delay timing. Panel prepare time should be t1 (0.5 to 10 ms)
plus t3 (0 to 100 ms), panel enable time should equal to t7 (0 to 50 ms)
and panel unprepare time should be t11 (1 to 50 ms) plus t12 (500 ms).

Signed-off-by: Yakir Yang <ykk@rock-chips.com>
Reviewed-by: Sean Paul <seanpaul@chromium.org>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2016-08-24 16:19:48 +02:00
Hans Verkuil
cf460a14ce [media] tw5864: add missing HAS_DMA dependency
Fix this warning:

warning: (VIDEO_TW5864 && VIDEO_MEDIATEK_VCODEC) selects VIDEOBUF2_DMA_CONTIG which has unmet direct dependencies (MEDIA_SUPPORT && HAS_DMA)

This driver depends on HAS_DMA.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2016-08-24 11:17:48 -03:00
Ming Lei
4d70dca4ea block: make sure a big bio is split into at most 256 bvecs
After arbitrary bio size was introduced, the incoming bio may
be very big. We have to split the bio into small bios so that
each holds at most BIO_MAX_PAGES bvecs for safety reason, such
as bio_clone().

This patch fixes the following kernel crash:

> [  172.660142] BUG: unable to handle kernel NULL pointer dereference at 0000000000000028
> [  172.660229] IP: [<ffffffff811e53b4>] bio_trim+0xf/0x2a
> [  172.660289] PGD 7faf3e067 PUD 7f9279067 PMD 0
> [  172.660399] Oops: 0000 [#1] SMP
> [...]
> [  172.664780] Call Trace:
> [  172.664813]  [<ffffffffa007f3be>] ? raid1_make_request+0x2e8/0xad7 [raid1]
> [  172.664846]  [<ffffffff811f07da>] ? blk_queue_split+0x377/0x3d4
> [  172.664880]  [<ffffffffa005fb5f>] ? md_make_request+0xf6/0x1e9 [md_mod]
> [  172.664912]  [<ffffffff811eb860>] ? generic_make_request+0xb5/0x155
> [  172.664947]  [<ffffffffa0445c89>] ? prio_io+0x85/0x95 [bcache]
> [  172.664981]  [<ffffffffa0448252>] ? register_cache_set+0x355/0x8d0 [bcache]
> [  172.665016]  [<ffffffffa04497d3>] ? register_bcache+0x1006/0x1174 [bcache]

The issue can be reproduced by the following steps:
	- create one raid1 over two virtio-blk
	- build bcache device over the above raid1 and another cache device
	and bucket size is set as 2Mbytes
	- set cache mode as writeback
	- run random write over ext4 on the bcache device

Fixes: 54efd50(block: make generic_make_request handle arbitrarily sized bios)
Reported-by: Sebastian Roesner <sroesner-kernelorg@roesner-online.de>
Reported-by: Eric Wheeler <bcache@lists.ewheeler.net>
Cc: stable@vger.kernel.org (4.3+)
Cc: Shaohua Li <shli@fb.com>
Acked-by: Kent Overstreet <kent.overstreet@gmail.com>
Signed-off-by: Ming Lei <ming.lei@canonical.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
2016-08-24 08:17:24 -06:00
Andrey Utkin
34d1324edd [media] pci: Add tw5864 driver
Support for boards based on Techwell TW5864 chip which provides
multichannel video & audio grabbing and encoding (H.264, MJPEG,
ADPCM G.726).

This submission implements only H.264 encoding of all channels at D1
resolution.

Thanks to Mark Thompson <sw@jkqxz.net> for help, and for contribution of
H.264 startcode emulation prevention code.

Signed-off-by: Andrey Utkin <andrey.utkin@corp.bluecherry.net>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2016-08-24 11:17:22 -03:00
David Howells
45025bceef rxrpc: Improve management and caching of client connection objects
Improve the management and caching of client rxrpc connection objects.
From this point, client connections will be managed separately from service
connections because AF_RXRPC controls the creation and re-use of client
connections but doesn't have that luxury with service connections.

Further, there will be limits on the numbers of client connections that may
be live on a machine.  No direct restriction will be placed on the number
of client calls, excepting that each client connection can support a
maximum of four concurrent calls.

Note that, for a number of reasons, we don't want to simply discard a
client connection as soon as the last call is apparently finished:

 (1) Security is negotiated per-connection and the context is then shared
     between all calls on that connection.  The context can be negotiated
     again if the connection lapses, but that involves holding up calls
     whilst at least two packets are exchanged and various crypto bits are
     performed - so we'd ideally like to cache it for a little while at
     least.

 (2) If a packet goes astray, we will need to retransmit a final ACK or
     ABORT packet.  To make this work, we need to keep around the
     connection details for a little while.

 (3) The locally held structures represent some amount of setup time, to be
     weighed against their occupation of memory when idle.


To this end, the client connection cache is managed by a state machine on
each connection.  There are five states:

 (1) INACTIVE - The connection is not held in any list and may not have
     been exposed to the world.  If it has been previously exposed, it was
     discarded from the idle list after expiring.

 (2) WAITING - The connection is waiting for the number of client conns to
     drop below the maximum capacity.  Calls may be in progress upon it
     from when it was active and got culled.

     The connection is on the rxrpc_waiting_client_conns list which is kept
     in to-be-granted order.  Culled conns with waiters go to the back of
     the queue just like new conns.

 (3) ACTIVE - The connection has at least one call in progress upon it, it
     may freely grant available channels to new calls and calls may be
     waiting on it for channels to become available.

     The connection is on the rxrpc_active_client_conns list which is kept
     in activation order for culling purposes.

 (4) CULLED - The connection got summarily culled to try and free up
     capacity.  Calls currently in progress on the connection are allowed
     to continue, but new calls will have to wait.  There can be no waiters
     in this state - the conn would have to go to the WAITING state
     instead.

 (5) IDLE - The connection has no calls in progress upon it and must have
     been exposed to the world (ie. the EXPOSED flag must be set).  When it
     expires, the EXPOSED flag is cleared and the connection transitions to
     the INACTIVE state.

     The connection is on the rxrpc_idle_client_conns list which is kept in
     order of how soon they'll expire.

A connection in the ACTIVE or CULLED state must have at least one active
call upon it; if in the WAITING state it may have active calls upon it;
other states may not have active calls.

As long as a connection remains active and doesn't get culled, it may
continue to process calls - even if there are connections on the wait
queue.  This simplifies things a bit and reduces the amount of checking we
need do.


There are a couple flags of relevance to the cache:

 (1) EXPOSED - The connection ID got exposed to the world.  If this flag is
     set, an extra ref is added to the connection preventing it from being
     reaped when it has no calls outstanding.  This flag is cleared and the
     ref dropped when a conn is discarded from the idle list.

 (2) DONT_REUSE - The connection should be discarded as soon as possible and
     should not be reused.


This commit also provides a number of new settings:

 (*) /proc/net/rxrpc/max_client_conns

     The maximum number of live client connections.  Above this number, new
     connections get added to the wait list and must wait for an active
     conn to be culled.  Culled connections can be reused, but they will go
     to the back of the wait list and have to wait.

 (*) /proc/net/rxrpc/reap_client_conns

     If the number of desired connections exceeds the maximum above, the
     active connection list will be culled until there are only this many
     left in it.

 (*) /proc/net/rxrpc/idle_conn_expiry

     The normal expiry time for a client connection, provided there are
     fewer than reap_client_conns of them around.

 (*) /proc/net/rxrpc/idle_conn_fast_expiry

     The expedited expiry time, used when there are more than
     reap_client_conns of them around.


Note that I combined the Tx wait queue with the channel grant wait queue to
save space as only one of these should be in use at once.

Note also that, for the moment, the service connection cache still uses the
old connection management code.

Signed-off-by: David Howells <dhowells@redhat.com>
2016-08-24 15:17:14 +01:00
David Howells
4d028b2c82 rxrpc: Dup the main conn list for the proc interface
The main connection list is used for two independent purposes: primarily it
is used to find connections to reap and secondarily it is used to list
connections in procfs.

Split the procfs list out from the reap list.  This allows us to stop using
the reap list for client connections when they acquire a separate
management strategy from service collections.

The client connections will not be on a management single list, and sometimes
won't be on a management list at all.  This doesn't leave them floating,
however, as they will also be on an rb-tree rooted on the socket so that the
socket can find them to dispatch calls.

Signed-off-by: David Howells <dhowells@redhat.com>
2016-08-24 15:17:14 +01:00
David Howells
df5d8bf70f rxrpc: Make /proc/net/rxrpc_calls safer
Make /proc/net/rxrpc_calls safer by stashing a copy of the peer pointer in
the rxrpc_call struct and checking in the show routine that the peer
pointer, the socket pointer and the local pointer obtained from the socket
pointer aren't NULL before we use them.

Signed-off-by: David Howells <dhowells@redhat.com>
2016-08-24 15:15:59 +01:00
Dmitry Osipenko
08ee01789e drm/tegra: Fix window[0] base address corruption
Window uses shared stride for UV planes and tegra_dc_window struct
defines array of 2 strides per window. That's not taken in account
during setting up of the window addresses and strides, resulting in
out-of-bounds write of the 3-rd (non-existent) V plane stride that
overwrites Y plane base address.

Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
[treding@nvidia.com: explain why the V-plane stride is ignored]
Signed-off-by: Thierry Reding <treding@nvidia.com>
2016-08-24 16:15:09 +02:00
Andy Lutomirski
9b47f77a68 nvme: Fix nvme_get/set_features() with a NULL result pointer
nvme_set_features() callers seem to expect that passing NULL as the
result pointer is acceptable.  Teach nvme_set_features() not to try to
write to the NULL address.

For symmetry, make the same change to nvme_get_features(), despite the
fact that all current callers pass a valid result pointer.

I assume that this bug hasn't been reported in practice because
the callers that pass NULL are all in the SCSI translation layer
and no one uses the relevant operations.

Cc: stable@vger.kernel.org
Signed-off-by: Andy Lutomirski <luto@kernel.org>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Jens Axboe <axboe@fb.com>
2016-08-24 08:11:10 -06:00
Thierry Reding
87904c3e82 drm/tegra: dsi: Enhance runtime power management
The MIPI DSI output on Tegra SoCs requires some external logic to
calibrate the MIPI pads before a video signal can be transmitted. This
MIPI calibration logic requires to be powered on while the MIPI pads are
being used, which is currently done as part of the DSI driver's probe
implementation.

This is suboptimal because it will leave the MIPI calibration logic
powered up even if the DSI output is never used.

On Tegra114 and earlier this behaviour also causes the driver to hang
while trying to power up the MIPI calibration logic because the power
partition that contains the MIPI calibration logic will be powered on
by the display controller at output pipeline configuration time. Thus
the power up sequence for the MIPI calibration logic happens before
it's power partition is guaranteed to be enabled.

Fix this by splitting up the API into a request/free pair of functions
that manage the runtime dependency between the DSI and the calibration
modules (no registers are accessed) and a set of enable, calibrate and
disable functions that program the MIPI calibration logic at points in
time where the power partition is really enabled.

While at it, make sure that the runtime power management also works in
ganged mode, which is currently also broken.

Reported-by: Jonathan Hunter <jonathanh@nvidia.com>
Tested-by: Jonathan Hunter <jonathanh@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2016-08-24 15:58:57 +02:00
Takashi Sakamoto
e15c282eff ALSA: bebob: unify configurations for some models produced by Yamaha/Terratec
The below models were developed with a cooperation by Yamaha and Terratec.
 - Yamaha GO 44/Terratec PHASE 24 FW
 - Yamaha GO 46/Terratec PHASE X24 FW

They have the same configurations, thus it's better to unify corresponding
codes.

This commit merges them to reduce the amount of maintained codes.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2016-08-24 15:35:11 +02:00
Takashi Sakamoto
df6a886611 ALSA: bebob: rename file with vendor-dependent code so that it's for Yamaha/Terratec
Once Yamaha and Terratec cooperated to develop some audio and music units
on IEEE 1394 bus. On these models, the same embedded board is used, and
similar configurations are also applied.

This commit renames file for Yamaha's configuration so that it's for both
of Yamaha and Terratec.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2016-08-24 15:35:03 +02:00
Mauro Carvalho Chehab
2ba775d0f6 [media] extended-controls.rst: fix a build warning
/devel/v4l/patchwork/Documentation/media/uapi/v4l/extended-controls.rst:2116: WARNING: Inline literal start-string without end-string.

Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2016-08-24 10:27:38 -03:00
Philipp Zabel
a3774e146a reset: warn on invalid input to reset_control_reset/assert/deassert/status
Instead of potentially crashing, dump a backtrace and return -EINVAL if
rstc is NULL or an error code.

Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
2016-08-24 15:21:36 +02:00
Masahiro Yamada
54e991b566 reset: uniphier: add reset controller driver for UniPhier SoCs
This is the initial commit for UniPhier reset controller driver.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
2016-08-24 15:21:35 +02:00
Gabriel Fernandez
9af8071298 ARM: dts: stm32f429: add missing #reset-cells of rcc
This patch adds #reset-cells property to rcc node.

Signed-off-by: Gabriel Fernandez <gabriel.fernandez@st.com>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
2016-08-24 15:21:29 +02:00
Maxime Coquelin
b70b009b24 drivers: reset: Add STM32 reset driver
The STM32 MCUs family IPs can be reset by accessing some registers
from the RCC block.

The list of available reset lines is documented in the DT bindings.

Signed-off-by: Maxime Coquelin <mcoquelin.stm32@gmail.com>
Signed-off-by: Gabriel Fernandez <gabriel.fernandez@st.com>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
2016-08-24 15:21:28 +02:00
Maxime Coquelin
57bd63a493 dt-bindings: Document the STM32 reset bindings
This adds documentation of device tree bindings for the
STM32 reset controller.

Signed-off-by: Maxime Coquelin <mcoquelin.stm32@gmail.com>
Signed-off-by: Gabriel Fernandez <gabriel.fernandez@st.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
2016-08-24 15:21:27 +02:00
Maxime Coquelin
ca9f71f057 dt-bindings: mfd: Add STM32F4 RCC numeric constants into DT include file
Ths patch lists STM32F4's RCC numeric constants.
It will be used by clock and reset drivers, and DT bindings.

Signed-off-by: Maxime Coquelin <mcoquelin.stm32@gmail.com>
Signed-off-by: Gabriel Fernandez <gabriel.fernandez@st.com>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
2016-08-24 15:21:26 +02:00
Hans Verkuil
bb77c5776b [media] vidioc-g-dv-timings.rst: document the v4l2_bt_timings reserved field
This field was never documented, and neither was it mentioned that
it should be zeroed by the application.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2016-08-24 10:19:38 -03:00
Hans Verkuil
10791829eb [media] vb2: add WARN_ONs checking if a valid struct device was passed
The dma-contig and dma-sg memops require a valid struct device for
the DMA to be handled correctly.

Call WARN_ON and return ERR_PTR(-EINVAL) if it was NULL.

Setting the correct device pointer was forgotten in several new driver
submissions. This was caught during code review, but it really should be
caught in the code.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2016-08-24 10:18:42 -03:00
mhiramat@kernel.org
b64abcb7da brcmfmac: Change vif_event_lock to spinlock
Change vif_event_lock to spinlock from mutex, since this lock is
used in wait_event_timeout() via vif_event_equals(). This caused
a warning report as below.

As far as I can see, this lock protects regions where updating
structure members, not function calls. Also, since those
regions are not called from interrupt handlers (of course, it
was a mutex), spin_lock is used instead of spin_lock_irqsave.

[  186.678550] ------------[ cut here ]------------
[  186.678556] WARNING: CPU: 2 PID: 7140 at /home/mhiramat/ksrc/linux/kernel/sched/core.c:7545 __might_sleep+0x7c/0x80
[  186.678560] do not call blocking ops when !TASK_RUNNING; state=2 set at [<ffffffff980d9090>] prepare_to_wait_event+0x60/0x100
[  186.678560] Modules linked in: brcmfmac xt_CHECKSUM rfcomm ipt_MASQUERADE nf_nat_masquerade_ipv4 xt_addrtype br_netfilter xt_tcpudp ip6t_rpfilter ip6t_REJECT nf_reject_ipv6 ipt_REJECT nf_reject_ipv4 xt_conntrack ip_set nfnetlink ebtable_nat ebtable_broute bridge stp llc ebtable_filter ebtables ip6table_raw ip6table_security ip6table_nat nf_conntrack_ipv6 nf_defrag_ipv6 nf_nat_ipv6 ip6table_mangle ip6table_filter ip6_tables iptable_raw iptable_security iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack iptable_mangle iptable_filter ip_tables x_tables bnep nls_iso8859_1 i2c_designware_platform i2c_designware_core snd_hda_codec_hdmi snd_hda_codec_realtek dcdbas snd_hda_codec_generic snd_hda_intel snd_hda_codec intel_rapl snd_hda_core x86_pkg_temp_thermal intel_powerclamp coretemp
[  186.678594]  snd_pcm crct10dif_pclmul crc32_pclmul aesni_intel aes_x86_64 joydev glue_helper snd_hwdep lrw gf128mul uvcvideo ablk_helper snd_seq_midi cryptd snd_seq_midi_event snd_rawmidi videobuf2_vmalloc videobuf2_memops snd_seq input_leds videobuf2_v4l2 cfg80211 videobuf2_core snd_timer videodev serio_raw btusb snd_seq_device media btrtl rtsx_pci_ms snd mei_me memstick hid_multitouch mei soundcore brcmutil idma64 virt_dma intel_lpss_pci processor_thermal_device intel_soc_dts_iosf hci_uart btbcm btqca btintel bluetooth int3403_thermal dell_smo8800 intel_lpss_acpi intel_lpss int3402_thermal int340x_thermal_zone intel_hid mac_hid int3400_thermal shpchp sparse_keymap acpi_pad acpi_thermal_rel acpi_als kfifo_buf industrialio kvm_intel kvm irqbypass parport_pc ppdev lp parport autofs4 btrfs xor raid6_pq
[  186.678631]  usbhid nouveau ttm i915 rtsx_pci_sdmmc mxm_wmi i2c_algo_bit drm_kms_helper syscopyarea sysfillrect sysimgblt fb_sys_fops psmouse drm ahci rtsx_pci nvme nvme_core libahci i2c_hid hid pinctrl_sunrisepoint video wmi pinctrl_intel fjes [last unloaded: brcmfmac]
[  186.678646] CPU: 2 PID: 7140 Comm: wpa_supplicant Not tainted 4.8.0-rc1+ #8
[  186.678647] Hardware name: Dell Inc. XPS 15 9550/0N7TVV, BIOS 01.02.00 04/07/2016
[  186.678648]  0000000000000000 ffff9d8c64b5b900 ffffffff98442f23 ffff9d8c64b5b950
[  186.678651]  0000000000000000 ffff9d8c64b5b940 ffffffff9808b22b 00001d790000000d
[  186.678653]  ffffffff98c75e78 000000000000026c 0000000000000000 ffff9d8c2706d058
[  186.678655] Call Trace:
[  186.678659]  [<ffffffff98442f23>] dump_stack+0x85/0xc2
[  186.678666]  [<ffffffff9808b22b>] __warn+0xcb/0xf0
[  186.678668]  [<ffffffff9808b29f>] warn_slowpath_fmt+0x4f/0x60
[  186.678671]  [<ffffffff980d9090>] ? prepare_to_wait_event+0x60/0x100
[  186.678672]  [<ffffffff980d9090>] ? prepare_to_wait_event+0x60/0x100
[  186.678674]  [<ffffffff980b922c>] __might_sleep+0x7c/0x80
[  186.678680]  [<ffffffff988b0853>] mutex_lock_nested+0x33/0x3b0
[  186.678682]  [<ffffffff980e5d8d>] ? trace_hardirqs_on+0xd/0x10
[  186.678689]  [<ffffffffc0c57d2d>] brcmf_cfg80211_wait_vif_event+0xcd/0x130 [brcmfmac]
[  186.678691]  [<ffffffff980d9190>] ? wake_atomic_t_function+0x60/0x60
[  186.678697]  [<ffffffffc0c628e9>] brcmf_p2p_del_vif+0xf9/0x220 [brcmfmac]
[  186.678702]  [<ffffffffc0c57fab>] brcmf_cfg80211_del_iface+0x21b/0x270 [brcmfmac]
[  186.678716]  [<ffffffffc0b0539e>] nl80211_del_interface+0xfe/0x3a0 [cfg80211]
[  186.678718]  [<ffffffff987ca335>] genl_family_rcv_msg+0x1b5/0x370
[  186.678720]  [<ffffffff980e5d8d>] ? trace_hardirqs_on+0xd/0x10
[  186.678721]  [<ffffffff987ca56d>] genl_rcv_msg+0x7d/0xb0
[  186.678722]  [<ffffffff987ca4f0>] ? genl_family_rcv_msg+0x370/0x370
[  186.678724]  [<ffffffff987c9a47>] netlink_rcv_skb+0x97/0xb0
[  186.678726]  [<ffffffff987ca168>] genl_rcv+0x28/0x40
[  186.678727]  [<ffffffff987c93c3>] netlink_unicast+0x1d3/0x2f0
[  186.678729]  [<ffffffff987c933b>] ? netlink_unicast+0x14b/0x2f0
[  186.678731]  [<ffffffff987c97cb>] netlink_sendmsg+0x2eb/0x3a0
[  186.678733]  [<ffffffff9876dad8>] sock_sendmsg+0x38/0x50
[  186.678734]  [<ffffffff9876e4df>] ___sys_sendmsg+0x27f/0x290
[  186.678737]  [<ffffffff9828b935>] ? mntput_no_expire+0x5/0x3f0
[  186.678739]  [<ffffffff9828b9be>] ? mntput_no_expire+0x8e/0x3f0
[  186.678741]  [<ffffffff9828b935>] ? mntput_no_expire+0x5/0x3f0
[  186.678743]  [<ffffffff9828bd44>] ? mntput+0x24/0x40
[  186.678744]  [<ffffffff98267830>] ? __fput+0x190/0x200
[  186.678746]  [<ffffffff9876f125>] __sys_sendmsg+0x45/0x80
[  186.678748]  [<ffffffff9876f172>] SyS_sendmsg+0x12/0x20
[  186.678749]  [<ffffffff988b5680>] entry_SYSCALL_64_fastpath+0x23/0xc1
[  186.678751]  [<ffffffff980e2b8f>] ? trace_hardirqs_off_caller+0x1f/0xc0
[  186.678752] ---[ end trace e224d66c5d8408b5 ]---

Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org>
Acked-by: Arend van Spriel <arend.vanspriel@broadcom.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-08-24 16:13:48 +03:00