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This buffer type isn't used at all, and since it is effectively undefined
what it should do it is deprecated. The define still exists, but any
internal support for such buffers is removed.
The decisions to deprecate this was taken during the 2012 Media Workshop.
Signed-off-by: Hans Verkuil <[email protected]>
Signed-off-by: Mauro Carvalho Chehab <[email protected]>
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During the 2012 Media Workshop it was decided to split off the control
definitions into their own v4l2-controls.h header, included by videodev2.h.
Because controls make up such a large part of V4L2 they made it hard
to read videodev2.h. Splitting off the control definitions makes life
easier.
Signed-off-by: Hans Verkuil <[email protected]>
Acked-by: Sakari Ailus <[email protected]>
Signed-off-by: Mauro Carvalho Chehab <[email protected]>
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Allow regulators managed via DAPM to make use of the bypass support that
has recently been added to the regulator API by setting a flag
SND_SOC_DAPM_REGULATOR_BYPASS. When this flag is set the regulator will
be put into bypass mode before being disabled, allowing the regulator to
fall into bypass mode if it can't be disabled due to other users.
Signed-off-by: Mark Brown <[email protected]>
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git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator into for-3.7
regulator: Bypass mode support
Allow regulators to be put into a non-regulating mode bypassing the
input straight to the output, mostly used by low power retention modes.
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Signed-off-by: Ben Widawsky <[email protected]>
Signed-off-by: Daniel Vetter <[email protected]>
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Pull more networking fixes from David Miller:
1) Eric Dumazet discovered and fixed what turned out to be a family of
bugs. These functions were using pskb_may_pull() which might need
to reallocate the linear SKB data buffer, but the callers were not
expecting this possibility. The callers have cached pointers to the
packet header areas, and would need to reload them if we were to
continue using pskb_may_pull().
So they could end up reading garbage.
It's easier to just change these RAW4/RAW6/MIP6 routines to use
skb_header_pointer() instead of pskb_may_pull(), which won't modify
the linear SKB data area.
2) Dave Jone's syscall spammer caught a case where a non-TCP socket can
call down into the TCP keepalive code. The case basically involves
creating a raw socket with sk_protocol == IPPROTO_TCP, then calling
setsockopt(sock_fd, SO_KEEPALIVE, ...)
Fixed by Eric Dumazet.
3) Bluetooth devices do not get configured properly while being powered
on, resulting in always using legacy pairing instead of SSP. Fix
from Andrzej Kaczmarek.
4) Bluetooth cancels delayed work erroneously, put stricter checks in
place. From Andrei Emeltchenko.
5) Fix deadlock between cfg80211_mutex and reg_regdb_search_mutex in
cfg80211, from Luis R. Rodriguez.
6) Fix interrupt double release in iwlwifi, from Emmanuel Grumbach.
7) Missing module license in bcm87xx driver, from Peter Huewe.
8) Team driver can lose port changed events when adding devices to a
team, fix from Jiri Pirko.
9) Fix endless loop when trying ot unregister PPPOE device in zombie
state, from Xiaodong Xu.
10) batman-adv layer needs to set MAC address of software device
earlier, otherwise we call tt_local_add with it uninitialized.
11) Fix handling of KSZ8021 PHYs, it's matched currently by KS8051 but
that doesn't program the device properly. From Marek Vasut.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net:
ipv6: mip6: fix mip6_mh_filter()
ipv6: raw: fix icmpv6_filter()
net: guard tcp_set_keepalive() to tcp sockets
phy/micrel: Add missing header to micrel_phy.h
phy/micrel: Rename KS80xx to KSZ80xx
phy/micrel: Implement support for KSZ8021
batman-adv: Fix symmetry check / route flapping in multi interface setups
batman-adv: Fix change mac address of soft iface.
pppoe: drop PPPOX_ZOMBIEs in pppoe_release
team: send port changed when added
ipv4: raw: fix icmp_filter()
net/phy/bcm87xx: Add MODULE_LICENSE("GPL") to GPL driver
iwlwifi: don't double free the interrupt in failure path
cfg80211: fix possible circular lock on reg_regdb_search()
Bluetooth: Fix not removing power_off delayed work
Bluetooth: Fix freeing uninitialized delayed works
Bluetooth: mgmt: Fix enabling LE while powered off
Bluetooth: mgmt: Fix enabling SSP while powered off
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git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next
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Resolved conflict in kernel/sched/core.c using Peter Zijlstra's
approach from https://lkml.org/lkml/2012/9/5/585.
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The conflicts between kernel/rcutree.h and kernel/rcutree_plugin.h
were due to adjacent insertions and deletions, which were resolved
by simply accepting the changes on both branches.
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Commit 1ad75b9e1628 ("c/r: prctl: add minimal address test to
PR_SET_MM") added some address checking to prctl_set_mm() used by
checkpoint-restore. This causes a build error for no-MMU systems:
kernel/sys.c: In function 'prctl_set_mm':
kernel/sys.c:1868:34: error: 'mmap_min_addr' undeclared (first use in this function)
The test for mmap_min_addr doesn't make a lot of sense for no-MMU code
as noted in commit 6e1415467614 ("NOMMU: Optimise away the
{dac_,}mmap_min_addr tests").
This patch defines mmap_min_addr as 0UL in the no-MMU case so that the
compiler will optimize away tests for "addr < mmap_min_addr".
Signed-off-by: Mark Salter <[email protected]>
Reviewed-by: Cyrill Gorcunov <[email protected]>
Cc: <[email protected]> [3.6.x]
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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Move the code that finds out to which context we account the
cputime into generic layer.
Archs that consider the whole time spent in the idle task as idle
time (ia64, powerpc) can rely on the generic vtime_account()
and implement vtime_account_system() and vtime_account_idle(),
letting the generic code to decide when to call which API.
Archs that have their own meaning of idle time, such as s390
that only considers the time spent in CPU low power mode as idle
time, can just override vtime_account().
Signed-off-by: Frederic Weisbecker <[email protected]>
Cc: Tony Luck <[email protected]>
Cc: Fenghua Yu <[email protected]>
Cc: Benjamin Herrenschmidt <[email protected]>
Cc: Paul Mackerras <[email protected]>
Cc: Martin Schwidefsky <[email protected]>
Cc: Heiko Carstens <[email protected]>
Cc: Ingo Molnar <[email protected]>
Cc: Thomas Gleixner <[email protected]>
Cc: Peter Zijlstra <[email protected]>
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Use a naming based on vtime as a prefix for virtual based
cputime accounting APIs:
- account_system_vtime() -> vtime_account()
- account_switch_vtime() -> vtime_task_switch()
It makes it easier to allow for further declension such
as vtime_account_system(), vtime_account_idle(), ... if we
want to find out the context we account to from generic code.
This also make it better to know on which subsystem these APIs
refer to.
Signed-off-by: Frederic Weisbecker <[email protected]>
Cc: Tony Luck <[email protected]>
Cc: Fenghua Yu <[email protected]>
Cc: Benjamin Herrenschmidt <[email protected]>
Cc: Paul Mackerras <[email protected]>
Cc: Heiko Carstens <[email protected]>
Cc: Martin Schwidefsky <[email protected]>
Cc: Ingo Molnar <[email protected]>
Cc: Thomas Gleixner <[email protected]>
Cc: Peter Zijlstra <[email protected]>
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Linux 3.6-rc6
Conflicts (overlap between moving code that accesses registers around
and factoring the register access out into a SSP layer):
drivers/mmc/host/mxs-mmc.c
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Linux 3.6-rc6
Conflicts:
drivers/spi/spi-omap2-mcspi.c
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Signed-off-by: Alex Williamson <[email protected]>
Signed-off-by: Joerg Roedel <[email protected]>
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The TPS65217 chip contains a boost converter and current sinks which can be
used to drive LEDs for use as backlights. Expose this functionality via the
backlight API.
Tested on an AM335x based custom board with a single WLED string, using
different values for ISEL and FDIM (though it would be hard to tell the
difference except for the value in WLEDCTRL1). Both instantiation through the
device tree and by passing platform data have been tested. Testing has been
done with an Androidized 3.2 kernel from the rowboat project. Koen Kooi
reported the driver to be working on a Beaglebone board with LCD3 cape
Signed-off-by: Matthias Kaehlcke <[email protected]>
Signed-off-by: Samuel Ortiz <[email protected]>
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Merge Linux 3.6-rc7, to pick up fixes and to resolve a conflict in an
upcoming pull.
Signed-off-by: Ingo Molnar <[email protected]>
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This long (seemingly unnecessary) patch does not fix anything and
its only goal is to produce common code between SLAB and SLUB.
Cc: Christoph Lameter <[email protected]>
Signed-off-by: Ezequiel Garcia <[email protected]>
Signed-off-by: Pekka Enberg <[email protected]>
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Currently slob falls back to regular kmalloc for this case.
With this patch kmalloc_track_caller() is correctly implemented,
thus tracing the specified caller.
This is important to trace accurately allocations performed by
krealloc, kstrdup, kmemdup, etc.
Signed-off-by: Ezequiel Garcia <[email protected]>
Signed-off-by: Pekka Enberg <[email protected]>
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This function is seldom used, and can be simply replaced with cachep->size.
Acked-by: David Rientjes <[email protected]>
Signed-off-by: Ezequiel Garcia <[email protected]>
Signed-off-by: Pekka Enberg <[email protected]>
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Acked-by: David Rientjes <[email protected]>
Signed-off-by: Ezequiel Garcia <[email protected]>
Signed-off-by: Pekka Enberg <[email protected]>
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commit 0848c94fb4 ("mfd: core: Push irqdomain mapping out into devices")
that appeared in v3.6-rc6 adds another argument to the mfd_add_devices()
call, and that makes commit a830d28b48bf ("power_supply: Enable
battery-charger for 88pm860x", which is battery tree) no longer compatible
with the latest kernels.
This commit is used to merge upstream back into battery tree and
accommodate 88pm860x driver for the latest changes in MFD core.
Signed-off-by: Stephen Rothwell <[email protected]>
Reported-by: Fengguang Wu <[email protected]>
Reported-by: Samuel Ortiz <[email protected]>
Signed-off-by: Anton Vorontsov <[email protected]>
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xmit callback provided by a driver encapsulates upper layers
data and sends it to the hardware. So, HCI does not know the
exact amount of data being sent and thus can't handle partially
sent frames properly.
Therefore, the driver must return 0 for completely sent frame or
negative for failure.
Signed-off-by: Waldemar Rymarkiewicz <[email protected]>
Acked-by: Eric Lapuyade <[email protected]>
Signed-off-by: Samuel Ortiz <[email protected]>
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The previous shdlc HCI driver and its header are removed from the tree.
PN544 now registers directly with HCI and passes the name of the llc it
requires (shdlc).
HCI instantiation now allocates the required llc instance. The llc is
started when the HCI device is brought up.
Signed-off-by: Eric Lapuyade <[email protected]>
Signed-off-by: Samuel Ortiz <[email protected]>
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This is used by HCI drivers such as the one for the pn544 which require
communications between HCI and the chip to use shdlc.
Signed-off-by: Eric Lapuyade <[email protected]>
Signed-off-by: Samuel Ortiz <[email protected]>
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This is a passthrough llc. It can be used by HCI drivers that don't
need link layer control. HCI will then write directly to the driver, and
driver will deliver incoming frames directly to HCI without any
processing.
Signed-off-by: Eric Lapuyade <[email protected]>
Signed-off-by: Samuel Ortiz <[email protected]>
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The LLC layer manages modules that control the link layer protocol (such
as shdlc) between HCI and an HCI driver. The driver must simply specify
the required llc when it registers with HCI.
Signed-off-by: Eric Lapuyade <[email protected]>
Signed-off-by: Samuel Ortiz <[email protected]>
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This enables the completion callback to be called from a different
context, preventing a possible deadlock if the callback resulted in the
invocation of a nested call to the currently locked nfc_dev.
This is also more in line with the im_transceive nfc_ops for NFC Core or
NCI drivers which already behave asynchronously.
Signed-off-by: Eric Lapuyade <[email protected]>
Signed-off-by: Samuel Ortiz <[email protected]>
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This method initiates execution of an HCI cmd. Result will be delivered
through an asynchronous callback.
Signed-off-by: Eric Lapuyade <[email protected]>
Signed-off-by: Samuel Ortiz <[email protected]>
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NFC is using a number of custom ordered workqueues w/ WQ_MEM_RECLAIM.
WQ_MEM_RECLAIM is unnecessary unless NFC is gonna be used as transport
for storage device, and all use cases match one work item to one
ordered workqueue - IOW, there's no actual ordering going on at all
and using system_nrt_wq gives the same behavior.
There's nothing to be gained by using custom workqueues. Use
system_nrt_wq instead and drop all the custom ones.
Signed-off-by: Tejun Heo <[email protected]>
Signed-off-by: Samuel Ortiz <[email protected]>
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During NFC-DEP target activation, store the remote
general bytes to be used later in dep_link_up.
When dep_link_up is called, activate the NFC-DEP target,
and forward the remote general bytes.
When dep_link_down is called, deactivate the target.
Signed-off-by: Ilan Elias <[email protected]>
Signed-off-by: Samuel Ortiz <[email protected]>
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Signed-off-by: Ilan Elias <[email protected]>
Signed-off-by: Samuel Ortiz <[email protected]>
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If initiator protocol is NFC-DEP, set the local general bytes
in nci_start_poll.
Signed-off-by: Ilan Elias <[email protected]>
Signed-off-by: Samuel Ortiz <[email protected]>
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This patch changes .add/.remove interfaces of acpi_pci_driver.
In the current implementation acpi_handle is passed as a parameter
of .add/.remove interface. However, the acpi_pci_root structure
contains more useful information than just the acpi_handle. This
enables us to avoid some useless lookups in each acpi_pci_driver.
Note: This changes interfaces used by acpi_pci_register_driver(), an
exported symbol. This patch updates all the in-kernel users, but any
out-of-kernel acpi_pci_register_driver() users will need updates.
[bhelgaas: changelog]
Signed-off-by: Taku Izumi <[email protected]>
Signed-off-by: Bjorn Helgaas <[email protected]>
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Use normal list for struct acpi_pci_driver to simplify code.
Signed-off-by: Jiang Liu <[email protected]>
Signed-off-by: Yinghai Lu <[email protected]>
Signed-off-by: Taku Izumi <[email protected]>
Signed-off-by: Bjorn Helgaas <[email protected]>
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When we bind a device to an ACPI handle, the handle is stored in
dev->archdata.acpi_handle. For such devices, there's no need to
search the acpi_pci_roots list with acpi_get_pci_rootbridge_handle();
we can just use DEVICE_ACPI_HANDLE(dev) directly.
[bhelgaas: changelog, reorder "if" to avoid negation]
Signed-off-by: Yinghai Lu <[email protected]>
Signed-off-by: Bjorn Helgaas <[email protected]>
Cc: Len Brown <[email protected]>
Cc: [email protected]
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SKF_AD_ALU_XOR_X has been added a while ago, but as an 'ancillary'
operation that is invoked through a negative offset in K within BPF
load operations. Since BPF_MOD has recently been added, BPF_XOR should
also be part of the common ALU operations. Removing SKF_AD_ALU_XOR_X
might not be an option since this is exposed to user space.
Signed-off-by: Daniel Borkmann <[email protected]>
Acked-by: Eric Dumazet <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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PHY_CLK_VALID bit doesn't work properly with UTMI PHY.
e.g. This bit is always zero on P5040, etc.
There is no need to check this bit for UTMI PHY, just keep
checking for ULPI PHY to prevent system hanging.
This patch should be squashed into previous commit 3735ba8db8e6e
"powerpc/usb: fix bug of CPU hang when missing USB PHY clock"
Signed-off-by: Shengzhou Liu <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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We currently use a per socket order-0 page cache for tcp_sendmsg()
operations.
This page is used to build fragments for skbs.
Its done to increase probability of coalescing small write() into
single segments in skbs still in write queue (not yet sent)
But it wastes a lot of memory for applications handling many mostly
idle sockets, since each socket holds one page in sk->sk_sndmsg_page
Its also quite inefficient to build TSO 64KB packets, because we need
about 16 pages per skb on arches where PAGE_SIZE = 4096, so we hit
page allocator more than wanted.
This patch adds a per task frag allocator and uses bigger pages,
if available. An automatic fallback is done in case of memory pressure.
(up to 32768 bytes per frag, thats order-3 pages on x86)
This increases TCP stream performance by 20% on loopback device,
but also benefits on other network devices, since 8x less frags are
mapped on transmit and unmapped on tx completion. Alexander Duyck
mentioned a probable performance win on systems with IOMMU enabled.
Its possible some SG enabled hardware cant cope with bigger fragments,
but their ndo_start_xmit() should already handle this, splitting a
fragment in sub fragments, since some arches have PAGE_SIZE=65536
Successfully tested on various ethernet devices.
(ixgbe, igb, bnx2x, tg3, mellanox mlx4)
Signed-off-by: Eric Dumazet <[email protected]>
Cc: Ben Hutchings <[email protected]>
Cc: Vijay Subramanian <[email protected]>
Cc: Alexander Duyck <[email protected]>
Tested-by: Vijay Subramanian <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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The license header was missing in micrel_phy.h . This patch adds
one.
Signed-off-by: Marek Vasut <[email protected]>
Cc: David J. Choi <[email protected]>
Cc: David S. Miller <[email protected]>
Cc: Nobuhiro Iwamatsu <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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There is no such part as KS8001, KS8041 or KS8051. There are only
KSZ8001, KSZ8041 and KSZ8051. Rename these parts as such to match
the Micrel naming.
Signed-off-by: Marek Vasut <[email protected]>
Cc: David J. Choi <[email protected]>
Cc: David S. Miller <[email protected]>
Cc: Nobuhiro Iwamatsu <[email protected]>
Cc: Linux ARM kernel <[email protected]>
Cc: Fabio Estevam <[email protected]>
Cc: Shawn Guo <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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The KSZ8021 PHY was previously caught by KS8051, which is not correct.
This PHY needs additional setup if it is strapped for address 0. In such
case an reserved bit must be written in the 0x16, "Operation Mode Strap
Override" register. According to the KS8051 datasheet, that bit means
"PHY Address 0 in non-broadcast" and it indeed behaves as such on KSZ8021.
The issue where the ethernet controller (Freescale FEC) did not communicate
with network is fixed by writing this bit as 1.
Signed-off-by: Marek Vasut <[email protected]>
Cc: David J. Choi <[email protected]>
Cc: David S. Miller <[email protected]>
Cc: Nobuhiro Iwamatsu <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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All callers provide a non-NULL scm argument.
Signed-off-by: David S. Miller <[email protected]>
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Pablo Neira Ayuso says:
====================
This patchset contains updates for your net-next tree, they are:
* Mostly fixes for the recently pushed IPv6 NAT support:
- Fix crash while removing nf_nat modules from Patrick McHardy.
- Fix unbalanced rcu_read_unlock from Ulrich Weber.
- Merge NETMAP and REDIRECT into one single xt_target module, from
Jan Engelhardt.
- Fix Kconfig for IPv6 NAT, which allows inconsistent configurations,
from myself.
* Updates for ipset, all of the from Jozsef Kadlecsik:
- Add the new "nomatch" option to obtain reverse set matching.
- Support for /0 CIDR in hash:net,iface set type.
- One non-critical fix for a rare crash due to pass really
wrong configuration parameters.
- Coding style cleanups.
- Sparse fixes.
- Add set revision supported via modinfo.i
* One extension for the xt_time match, to support matching during
the transition between two days with one single rule, from
Florian Westphal.
* Fix maximum packet length supported by nfnetlink_queue and add
NFQA_CAP_LEN attribute, from myself.
You can notice that this batch contains a couple of fixes that may
go to 3.6-rc but I don't consider them critical to push them:
* The ipset fix for the /0 cidr case, which is triggered with one
inconsistent command line invocation of ipset.
* The nfnetlink_queue maximum packet length supported since it requires
the new NFQA_CAP_LEN attribute to provide a full workaround for the
described problem.
====================
Signed-off-by: David S. Miller <[email protected]>
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git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth-next
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git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next
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With this parameter added to dmaengine_prep_dma_cyclic() the API will be in
sync with other dmaengine_prep_*() functions.
The dmaengine_prep_dma_cyclic() function primarily used by audio for cyclic
transfer required by ALSA, we use the from audio to ask dma drivers to
suppress interrupts (if DMA_PREP_INTERRUPT is cleared) when it is supported
on the platform.
Signed-off-by: Peter Ujfalusi <[email protected]>
CC: Lars-Peter Clausen <[email protected]>
Acked-by: Vinod Koul <[email protected]>
Signed-off-by: Takashi Iwai <[email protected]>
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Manual backmerge of -rc7 to resolve a silent conflict leading to
compile failure in drivers/gpu/drm/i915/intel_hdmi.c.
This is due to the bugfix in -rc7:
commit b98b60167279df3acac9422c3c9820d9ebbcf9fb
Author: Wang Xingchao <[email protected]>
Date: Thu Sep 13 07:43:22 2012 +0800
drm/i915: HDMI - Clear Audio Enable bit for Hot Plug
Since this code moved around a lot in -next git put that snippet at
the wrong spot. I've tried to fix this by making the conflict explicit
by merging a version for next with:
commit 3cce574f0190dd149472059fb69267cf83d290f9
Author: Wang Xingchao <[email protected]>
Date: Thu Sep 13 11:19:00 2012 +0800
drm/i915: HDMI - Clear Audio Enable bit for Hot Plug unconditionally
But that failed to solve the entire problem. To avoid pushing out
further -nightly branch to our QA where this is broken, do the
backmerge and manually add the stuff git adds to -next from the patch
in -fixes.
Note that this doesn't show up in git's merge diff (and hence is also
not handled by git rerere), which adds to the reasons why I'd like to
fix this with a verbose backmerge. The git merge diff only shows a
bunch of trivial conflicts of the "code changed in lines next to each
another" kind.
Signed-off-by: Daniel Vetter <[email protected]>
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In order to add xen EFI frambebuffer video support, it is required to add
xen-efi's new video type (XEN_VGATYPE_EFI_LFB) case and handle it in the
function xen_init_vga and set the video type to VIDEO_TYPE_EFI to enable
efi video mode.
The original patch from which this was broken out from:
http://marc.info/[email protected]
Signed-off-by: Jan Beulich <[email protected]>
Signed-off-by: Tang Liang <[email protected]>
[v2: The original author is Jan Beulich and Liang Tang ported it to upstream]
Signed-off-by: Konrad Rzeszutek Wilk <[email protected]>
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