Here are some more printk fixes for 3.5-rc6. They resolve all known
outstanding issues with the printk changes that have been happening. They have
been tested by the people reporting the problems.
This hopefully should be it for the printk stuff for 3.5-final.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'driver-core-3.5-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
Pull printk fixes from Greg Kroah-Hartman:
"Here are some more printk fixes for 3.5-rc6. They resolve all known
outstanding issues with the printk changes that have been happening.
They have been tested by the people reporting the problems.
This hopefully should be it for the printk stuff for 3.5-final.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>"
* tag 'driver-core-3.5-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core:
kmsg: merge continuation records while printing
kmsg: /proc/kmsg - support reading of partial log records
kmsg: make sure all messages reach a newly registered boot console
kmsg: properly handle concurrent non-blocking read() from /proc/kmsg
kmsg: add the facility number to the syslog prefix
kmsg: escape the backslash character while exporting data
printk: replacing the raw_spin_lock/unlock with raw_spin_lock/unlock_irq
Here are a few fixes and new device ids for the 3.5-rc6 tree.
The PCI changes resolve a long-standing issue with resuming some EHCI
controllers. It has been acked by the PCI maintainer, and he asked for it to
go through my USB tree instead of his.
The xhci patches also resolve a number of reported issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-3.5-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB fixes from Greg Kroah-Hartman:
"Here are a few fixes and new device ids for the 3.5-rc6 tree.
The PCI changes resolve a long-standing issue with resuming some EHCI
controllers. It has been acked by the PCI maintainer, and he asked
for it to go through my USB tree instead of his.
The xhci patches also resolve a number of reported issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>"
* tag 'usb-3.5-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb:
PCI: EHCI: fix crash during suspend on ASUS computers
USB: cdc-wdm: fix lockup on error in wdm_read
USB: metro-usb: fix tty_flip_buffer_push use
USB: option: Add MEDIATEK product ids
USB: option: add ZTE MF60
xhci: Fix hang on back-to-back Set TR Deq Ptr commands.
usb: Add support for root hub port status CAS
Here's a single MEI driver fix that resolves a regression from 3.4 that a
number of people have reported (and sent to me in different patches.)
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-3.5-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull misc fix from Greg Kroah-Hartman:
"Here's a single MEI driver fix that resolves a regression from 3.4
that a number of people have reported (and sent to me in different
patches.)
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>"
* tag 'char-misc-3.5-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc:
mei: pci_resume: set IRQF_ONESHOT for msi request_threaded_irq
- Invalid context restore on bank 0 for OMAP driver in
runtime suspend/resume cycle
- Check for NULL platform data in sta-2x11 driver
- Constrain selection of the V1 MSM GPIO driver to applicable
platforms (Kconfig issue)
- Make sure the correct output value is set in the wm8994 driver
- Export devm_gpio_request_one() so it can be used in modules.
Apparently some in-kernel modules can be configured to use this
leading to breakage.
- Check that the GPIO is valid in the lantiq driver
- Fix the flag bits introduced for v3.5, so they don't overlap
- Fix a device tree intialization bug for imx21-compatible devices
- Carry over the OF node to the TPS65910 GPIO chip struct
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Merge tag 'fixes-for-v3.5-v2' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio
Pull a late GPIO fix from Linus Walleij:
"Grr! So typically -next washed out a bug in the bug fixes. This v2 of
the pull request fixes another OF/DT related issue caused by fixing
another OF/DT related issue, courtesy of Gerard Sintselaar.
So please pull the v2. Or pull it on top of the other one, whatever.
Sorry for the panic mode, I'm in the middle of the Swedish woods,
supposedly on vacation."
* tag 'fixes-for-v3.5-v2' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio:
gpio/gpio-tps65910: gpio_chip.of_node referenced without CONFIG_OF_GPIO defined
The declaration of arch_release_thread_info() needs a semicolon.
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
PPC fix from Alex Graf: "It contains an important bug fix which
can lead to guest freezes when using PAPR guests with PR KVM."
* 'for-upstream-master' of git://github.com/agraf/linux-2.6:
powerpc/kvm: Fix "PR" KVM implementation of H_CEDE
Signed-off-by: Avi Kivity <avi@redhat.com>
H_CEDE should enable the vcpu's MSR:EE bit. It does on "HV" KVM (it's
burried in the assembly code though) and as far as I can tell, qemu
does it as well.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Alexander Graf <agraf@suse.de>
The kernel no longer allows us to pass NULL for the hard handler
without also specifying IRQF_ONESHOT. IRQF_ONESHOT imposes latency
in the exit path that we don't need for MSI interrupts. Long term
we'd like to inject these interrupts from the hard handler when
possible. In the short term, we can create dummy hard handlers
that return us to the previous behavior. Credit to Michael for
original patch.
Fixes: https://bugzilla.kernel.org/show_bug.cgi?id=43328
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
The device should be handled by xpad driver instead of generic HID driver.
Signed-off-by: Yuri Khan <yurivkhan@gmail.com>
Acked-by: Jiri Kosina <jkosina@suse.cz>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Fix a boot regression on Mackerel boards with sh_mobile_sdhi
in existing kernels causing:
genirq: Threaded irq requested with handler=NULL and !ONESHOT for irq XXX
caused by 1c6c6952 (genirq: Reject bogus threaded irq requests).
This is backported from Guennadi's patch:
"mmc: extend and rename cd-gpio helpers to handle more slot GPIO functions"
Reported-by: Rafael J. Wysocki <rjw@sisk.pl>
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Chris Ball <cjb@laptop.org>
This reverts commit 3d93576e(skip card initialization if
power class selection fails).
Problem has been reported when this is used with eMMC4.41
card with Tegra Platform. Till the issue is root caused,
bus width selection failure should not be treated as fatal.
Reported-by: Marc Dietrich <marvin24@gmx.de>
Signed-Off-by: Venkatraman S <svenkatr@ti.com>
CC: Ulf Hansson <ulf.hansson@stericsson.com>
CC: Subhash Jadavani <subhashj@codeaurora.org>
CC: Saugata Das <saugata.das@linaro.org>
Signed-off-by: Chris Ball <cjb@laptop.org>
commit 626f9914 added code to initialize gpio_chip.of_node, but if
CONFIG_OF_GPIO is not defined gps-tps65910 fails to build with an
error complaining gpio_chip has no member of_node. I ran into this
while doing a allyesconfig build on linux-next.
Signed-off-by: Gerard Snitselaar <dev@snitselaar.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
- Invalid context restore on bank 0 for OMAP driver in
runtime suspend/resume cycle
- Check for NULL platform data in sta-2x11 driver
- Constrain selection of the V1 MSM GPIO driver to applicable
platforms (Kconfig issue)
- Make sure the correct output value is set in the wm8994 driver
- Export devm_gpio_request_one() so it can be used in modules.
Apparently some in-kernel modules can be configured to use this
leading to breakage.
- Check that the GPIO is valid in the lantiq driver
- Fix the flag bits introduced for v3.5, so they don't overlap
- Fix a device tree intialization bug for imx21-compatible devices
- Carry over the OF node to the TPS65910 GPIO chip struct
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Merge tag 'fixes-for-v3.5' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio
Pull GPIO fixes from Linus Walleij:
"Yes, this is a *LATE* GPIO pull request with fixes for v3.5.
Grant moved across the planet and accidentally fell off the grid, so
he asked me to take over the GPIO merges for a while 10 days ago.
Since then I went over the archives and collected this pile of fixes,
and pulled two of them from the TI maintainer Kevin Hilman. Then
waited for them to at least hit linux-next once or twice."
GPIO fixes for v3.5:
- Invalid context restore on bank 0 for OMAP driver in runtime
suspend/resume cycle
- Check for NULL platform data in sta-2x11 driver
- Constrain selection of the V1 MSM GPIO driver to applicable platforms
(Kconfig issue)
- Make sure the correct output value is set in the wm8994 driver
- Export devm_gpio_request_one() so it can be used in modules.
Apparently some in-kernel modules can be configured to use this
leading to breakage.
- Check that the GPIO is valid in the lantiq driver
- Fix the flag bits introduced for v3.5, so they don't overlap
- Fix a device tree intialization bug for imx21-compatible devices
- Carry over the OF node to the TPS65910 GPIO chip struct
* tag 'fixes-for-v3.5' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio:
gpio: tps65910: initialize of_node of gpio_chip
gpio/mxc: make irqs work for fsl,imx21-gpio devices
gpio: fix bits conflict for gpio flags
mips: pci-lantiq: Fix check for valid gpio
gpio: export devm_gpio_request_one
gpiolib: wm8994: Pay attention to the value set when enabling as output
gpio/msm_v1: CONFIG_GPIO_MSM_V1 is only available on three SoCs
gpio-sta2x11: don't use pdata if null
gpio/omap: fix invalid context restore of gpio bank-0
gpio/omap: fix irq loss while in idle with debounce on
Pull powerpc fixes from Benjamin Herrenschmidt:
"It looks like my rewrite of our lazy irq scheme is still exposing
"interesting" issues left and right. The previous fixes are now
causing an occasional BUG_ON to trigger (which this patch turns into a
WARN_ON while at it), due to another issue of disconnect of the lazy
irq state vs the processor state in the idle loop on pseries and
cell.
This should fix it properly once for all moving the nasty code to a
common helper function.
There's also couple more fixes for some debug stuff that didn't build
(and helped resolving those problems so it's worth having), along with
a compile fix for newer gcc's."
* 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc:
tty/hvc_opal: Fix debug function name
powerpc/numa: Avoid stupid uninitialized warning from gcc
powerpc: Fix build of some debug irq code
powerpc: More fixes for lazy IRQ vs. idle
This is an old suspend/resume lockup fix:
commit 2780cc4660e1
Author: Len Brown <len.brown@intel.com>
Date: Thu Dec 23 13:43:30 2004 -0500
[ACPI] Fix suspend/resume lockup issue
by leaving Bus Master Arbitration enabled.
The ACPI spec mandates it be disabled only for C3.
http://bugzilla.kernel.org/show_bug.cgi?id=3599
Signed-off-by: David Shaohua Li <shaohua.li@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
The bug snuck back in in commit 2feec47d4c (ACPICA: ACPI 5: Support
for new FADT SleepStatus, SleepControl registers, 2012-02-14),
presumably by copy/pasting a copy of the code without that fix for the
legacy case.
On affected machines, after that commit, the machine locks up hard on
resume from suspend. The same fix as seven years ago still works.
Addresses <https://bugzilla.kernel.org/show_bug.cgi?id=43641>.
Reported-bisected-and-tested-by: Octavio Alvarez <alvarezp@alvarezp.com>
Reported-by: Adrian Knoth <adi@drcomp.erfurt.thur.de>
Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
Cc: stable@vger.kernel.org
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
This reverts commit 107a84e61c.
Meelis Roos reports a regression since 3.5-rc5 that stops Sun Fire V100
and Sun Netra X1 sparc64 machines from booting, hanging after enabling
serial console. He bisected it to commit 107a84e61c.
Rob Herring explains:
"The problem is match combinations of compatible plus name and/or type
fail to match correctly. I have a fix for this, but given how late it
is for 3.5 I think it is best to revert this for now. There could be
other cases that rely on the current although wrong behavior. I will
post an updated version for 3.6."
Bisected-and-reported-by: Meelis Roos <mroos@linux.ee>
Requested-by: Rob Herring <rob.herring@calxeda.com>
Cc: Thierry Reding <thierry.reding@avionic-design.de>
Cc: Grant Likely <grant.likely@secretlab.ca>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
when the default irq quick handler is used then IRQF_ONESHOT must be set
otherwise the request fails and following error is displayed:
mei 0000:00:16.0: irq 48 for MSI/MSI-X
genirq: Threaded irq requested with handler=NULL and !ONESHOT for irq 48
mei 0000:00:16.0: request_threaded_irq failed: irq = 48.
dpm_run_callback(): pci_pm_resume+0x0/0x140 returns -22
PM: Device 0000:00:16.0 failed to resume async: error -22
Reported-by: Peter Wu <lekensteyn@gmail.com>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Tested-by: Peter Wu <lekensteyn@gmail.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
Cc: stable <stable@vger.kernel.org> # 3.5
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The helper nfs_fs_mount() will always call nfs4_try_mount with the
mount_info->fill_super argument pointing to nfs_fill_super, which is
NFSv2/v3 only.
Fix is to have nfs4_try_mount replace it with nfs4_fill_super.
The regression was introduced by commit c40f8d1d (NFS: Create a common
fs_mount() function)
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Quite a few ASUS computers experience a nasty problem, related to the
EHCI controllers, when going into system suspend. It was observed
that the problem didn't occur if the controllers were not put into the
D3 power state before starting the suspend, and commit
151b612847 (USB: EHCI: fix crash during
suspend on ASUS computers) was created to do this.
It turned out this approach messed up other computers that didn't have
the problem -- it prevented USB wakeup from working. Consequently
commit c2fb8a3fa2 (USB: add
NO_D3_DURING_SLEEP flag and revert 151b612847) was merged; it
reverted the earlier commit and added a whitelist of known good board
names.
Now we know the actual cause of the problem. Thanks to AceLan Kao for
tracking it down.
According to him, an engineer at ASUS explained that some of their
BIOSes contain a bug that was added in an attempt to work around a
problem in early versions of Windows. When the computer goes into S3
suspend, the BIOS tries to verify that the EHCI controllers were first
quiesced by the OS. Nothing's wrong with this, but the BIOS does it
by checking that the PCI COMMAND registers contain 0 without checking
the controllers' power state. If the register isn't 0, the BIOS
assumes the controller needs to be quiesced and tries to do so. This
involves making various MMIO accesses to the controller, which don't
work very well if the controller is already in D3. The end result is
a system hang or memory corruption.
Since the value in the PCI COMMAND register doesn't matter once the
controller has been suspended, and since the value will be restored
anyway when the controller is resumed, we can work around the BIOS bug
simply by setting the register to 0 during system suspend. This patch
(as1590) does so and also reverts the second commit mentioned above,
which is now unnecessary.
In theory we could do this for every PCI device. However to avoid
introducing new problems, the patch restricts itself to EHCI host
controllers.
Finally the affected systems can suspend with USB wakeup working
properly.
Reference: https://bugzilla.kernel.org/show_bug.cgi?id=37632
Reference: https://bugzilla.kernel.org/show_bug.cgi?id=42728
Based-on-patch-by: AceLan Kao <acelan.kao@canonical.com>
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Tested-by: Dâniel Fraga <fragabr@gmail.com>
Tested-by: Javier Marcet <jmarcet@gmail.com>
Tested-by: Andrey Rahmatullin <wrar@wrar.name>
Tested-by: Oleksij Rempel <bug-track@fisher-privat.net>
Tested-by: Pavel Pisa <pisa@cmp.felk.cvut.cz>
Cc: stable <stable@vger.kernel.org>
Acked-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Rafael J. Wysocki <rjw@sisk.pl>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Add support for the 15'' MacBook Pro Retina model (MacBookPro10,1).
Patch originally written by clipcarl (forums.opensuse.org).
Signed-off-by: Henrik Rydberg <rydberg@euromail.se>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Add support for the 15'' MacBook Pro Retina. The keyboard is
the same as recent models.
The patch needs to be synchronized with the bcm5974 patch for
the trackpad - as usual.
Patch originally written by clipcarl (forums.opensuse.org).
[rydberg@euromail.se: Amended mouse ignore lines]
Signed-off-by: Ryan Bourgeois <bluedragonx@gmail.com>
Signed-off-by: Henrik Rydberg <rydberg@euromail.se>
Acked-by: Jiri Kosina <jkosina@suse.cz>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
echi-omap because the driver currently causes issues with PM.
This annoys Kevin as it makes it harder for him to validate that
PM is working. The proper fixes for the echi-omap are being
discussed, but looks like it will not be properly working with PM
until in v3.7.
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Merge tag 'omap-fixes-for-v3.5-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into fixes
From Tony Lindgren <tony@atomide.com>:
Here is one PM regression fix and a defconfig change to disable
echi-omap because the driver currently causes issues with PM.
This annoys Kevin as it makes it harder for him to validate that
PM is working. The proper fixes for the echi-omap are being
discussed, but looks like it will not be properly working with PM
until in v3.7.
* tag 'omap-fixes-for-v3.5-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
ARM: OMAP2+: omap2plus_defconfig: EHCI driver is not stable, disable it
ARM: OMAP2+: hwmod code/clockdomain data: fix 32K sync timer
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
udbg_init_debug_opal() should be udbg_init_debug_opal_raw() as
the caller in arch/powerpc/kernel/udbg.c expects
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Newer gcc are being a bit blind here (it's pretty obvious we don't
reach the code path using the array if we haven't initialized the
pointer) but none of that is performance critical so let's just
silence it.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
There was a typo, checking for CONFIG_TRACE_IRQFLAG instead of
CONFIG_TRACE_IRQFLAGS causing some useful debug code to not be
built
This in turns causes a build error on BookE 64-bit due to incorrect
semicolons at the end of a couple of macros, so let's fix that too
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
CC: stable@vger.kernel.org [v3.4]
Looks like we still have issues with pSeries and Cell idle code
vs. the lazy irq state. In fact, the reset fixes that went upstream
are exposing the problem more by causing BUG_ON() to trigger (which
this patch turns into a WARN_ON instead).
We need to be careful when using a variant of low power state that
has the side effect of turning interrupts back on, to properly set
all the SW & lazy state to look as if everything is enabled before
we enter the low power state with MSR:EE off as we will return with
MSR:EE on. If not, we have a discrepancy of state which can cause
things to go very wrong later on.
This patch moves the logic into a helper and uses it from the
pseries and cell idle code. The power4/970 idle code already got
things right (in assembly even !) so I'm not touching it. The power7
"bare metal" idle code is subtly different and correct. Remains PA6T
and some hypervisor based Cell platforms which have questionable
code in there, but they are mostly dead platforms so I'll fix them
when I manage to get final answers from the respective maintainers
about how the low power state actually works on them.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
CC: stable@vger.kernel.org [v3.4]
A smallish fix for a lock dependency issue which affects a bunch of
Qualcomm boards that do unusually complicated things with their
regulators, the API is unlikely to be called by any other system.
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Merge tag 'regulator-3.5' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator
Pull regulator fix from Mark Brown:
"A smallish fix for a lock dependency issue which affects a bunch of
Qualcomm boards that do unusually complicated things with their
regulators, the API is unlikely to be called by any other system."
* tag 'regulator-3.5' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator:
regulator: Fix recursive mutex lockdep warning
Don't call v4l2_ctrl_g_ctrl on ctrls which the model cam in question
does not have.
Reported-by: Frank Schäfer <fschaefer.oss@googlemail.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
[ Taken directly, since Mauro is on vacation ]
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Merge tag 'virtio-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-for-linus
Pull minor virtio-balloon fix from Rusty Russell:
"Theoretical fix, which greatly simplifies upcoming balloon patches
which will go in via some vm tree."
* tag 'virtio-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-for-linus:
virtio-balloon: fix add/get API use
This patch (as1564c) converts the EHCI platform drivers to use the
central ehci_setup() routine for generic controller initialization
rather than each having its own idiosyncratic approach.
The major point of difficulty lies in ehci-pci's many vendor- and
device-specific workarounds. Some of them have to be applied before
calling ehci_setup() and some after, which necessitates a fair amount
of code motion. The other platform drivers require much smaller
changes.
One point not addressed by the patch is whether ports should be
powered on or off following initialization. The different drivers
appear to handle this pretty much at random. In fact it shouldn't
matter, because the hub driver turns on power to all ports when it
binds to the root hub. Straightening that out will be left for
another day.
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
were reported by Fernando Guzman Lugo.
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Merge tag 'rpmsg-3.5-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/ohad/rpmsg
Pull rpmsg fixes from Ohad Ben-Cohen:
"Fixing two (somewhat rare) endpoint-related race issues, both of which
were reported by Fernando Guzman Lugo."
* tag 'rpmsg-3.5-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/ohad/rpmsg:
rpmsg: make sure inflight messages don't invoke just-removed callbacks
rpmsg: avoid premature deallocation of endpoints
from Shinya Kuribayashi.
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Merge tag 'hwspinlock-3.5-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/ohad/hwspinlock
Pull hwspinlock fix from Ohad Ben-Cohen:
"A single hwspinlock core fix for multiple hwspinlock devices
scenarios, from Shinya Kuribayashi."
* tag 'hwspinlock-3.5-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/ohad/hwspinlock:
hwspinlock/core: use global ID to register hwspinlocks on multiple devices
In (the unlikely) case our continuation merge buffer is busy, we unfortunately
can not merge further continuation printk()s into a single record and have to
store them separately, which leads to split-up output of these lines when they
are printed.
Add some flags about newlines and prefix existence to these records and try to
reconstruct the full line again, when the separated records are printed.
Reported-By: Michael Neuling <mikey@neuling.org>
Cc: Dave Jones <davej@redhat.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Tested-By: Michael Neuling <mikey@neuling.org>
Signed-off-by: Kay Sievers <kay@vrfy.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The patches fix several issues in the AMD IOMMU driver, the NVidia SMMU
driver, and the DMA debug code. The most important fix for the AMD IOMMU
solves a problem with SR-IOV devices where virtual functions did not
work with IOMMU enabled. The NVidia SMMU patch fixes a possible sleep
while spin-lock situation (queued the small fix for v3.5, a better but
more intrusive fix is coming for v3.6). The DMA debug patches fix a
possible data corruption issue due to bool vs. u32 usage.
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Merge tag 'iommu-fixes-v3.5-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu
Pull IOMMU fixes from Joerg Roedel:
"The patches fix several issues in the AMD IOMMU driver, the NVidia
SMMU driver, and the DMA debug code.
The most important fix for the AMD IOMMU solves a problem with SR-IOV
devices where virtual functions did not work with IOMMU enabled. The
NVidia SMMU patch fixes a possible sleep while spin-lock situation
(queued the small fix for v3.5, a better but more intrusive fix is
coming for v3.6). The DMA debug patches fix a possible data
corruption issue due to bool vs u32 usage."
* tag 'iommu-fixes-v3.5-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu:
iommu/amd: fix type bug in flush code
dma-debug: debugfs_create_bool() takes a u32 pointer
iommu/tegra: smmu: Fix unsleepable memory allocation
iommu/amd: Initialize dma_ops for hotplug and sriov devices
iommu/amd: Fix missing iommu_shutdown initialization in passthrough mode
Restore support for partial reads of any size on /proc/kmsg, in case the
supplied read buffer is smaller than the record size.
Some people seem to think is is ia good idea to run:
$ dd if=/proc/kmsg bs=1 of=...
as a klog bridge.
Resolves-bug: https://bugzilla.kernel.org/show_bug.cgi?id=44211
Reported-by: Jukka Ollila <jiiksteri@gmail.com>
Signed-off-by: Kay Sievers <kay@vrfy.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This patch supports only the host-mode functionality so far.
Signed-off-by: Richard Zhao <richard.zhao@freescale.com>
Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Peter Chen <peter.chen@freescale.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Felipe Balbi <balbi@ti.com>
Tested-by: Subodh Nijsure <snijsure@grid-net.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
mxs phy is used in Freescale i.MX SoCs, for example
imx23, imx28, imx6Q. This patch adds the basic host
support.
Signed-off-by: Richard Zhao <richard.zhao@freescale.com>
Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Peter Chen <peter.chen@freescale.com>
Acked-by: Felipe Balbi <balbi@ti.com>
Tested-by: Subodh Nijsure <snijsure@grid-net.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Sometimes, the driver bindings may know what phy they use.
For example, when using device tree, the usb controller may have a
phandler pointing to usb phy.
Signed-off-by: Richard Zhao <richard.zhao@freescale.com>
Reviewed-by: Marek Vasut <marex@denx.de>
Acked-by: Felipe Balbi <balbi@ti.com>
Tested-by: Subodh Nijsure <snijsure@grid-net.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This let usb phy driver has a chance to change hw settings when connect
status change.
Signed-off-by: Richard Zhao <richard.zhao@freescale.com>
Acked-by: Felipe Balbi <balbi@ti.com>
Tested-by: Subodh Nijsure <snijsure@grid-net.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
We use ida_simple_get and ida_simple_remove to manage the ids.
Signed-off-by: Richard Zhao <richard.zhao@freescale.com>
Reviewed-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Platform drivers do the similar things to add/remove ci13xxx device, so
create a unified one.
Signed-off-by: Richard Zhao <richard.zhao@freescale.com>
Reviewed-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
struct ci13xxx represent the controller, which may be device or host,
so name its variables as ci.
Signed-off-by: Richard Zhao <richard.zhao@freescale.com>
Reviewed-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Reviewed-by: Marek Vasut <marex@denx.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This patch used dmaengine helper functions instead of using hand setting.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Fixed a mistake in the merge conflict resoultion commit(ff9cce) in file
twl6030-usb.c
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
We don't support sg for isoc transfers, enforce this.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Linus Torvalds