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hx4700 needs the same fix as in
9705e74671f0e4f994d86b00cecf441917c64a66
"ARM: pxa: fix various compilation problems"
Fix build errors. Initial one is:
/linux/arch/arm/mach-pxa/include/mach/hx4700.h:18:32: error:
'PXA_NR_BUILTIN_GPIO' undeclared here (not in a function)
| #define HX4700_ASIC3_GPIO_BASE PXA_NR_BUILTIN_GPIO
Cc: stable@vger.kernel.org # v3.13+
Signed-off-by: Andrea Adami <andrea.adami@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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An implementation error should not crash the kernel if it is avoidable.
Replace BUG() with WARN_ONCE().
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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In Matt Ropers primary plane series a set of prep patches like
commit af2b653bfb4ef40931b4d101ca842ce0c5da57ef
Author: Matt Roper <matthew.d.roper@intel.com>
Date: Tue Apr 1 15:22:32 2014 -0700
drm/i915: Restrict plane loops to only operate on overlay planes (v2)
ensured that all exisiting users of the mode_config->plane_list
wouldn't change behaviour. Unfortunately tegra seems to have fallen
through the cracks. Fix it.
This regression was introduced in
commit e13161af80c185ecd8dc4641d0f5df58f9e3e0af
Author: Matt Roper <matthew.d.roper@intel.com>
Date: Tue Apr 1 15:22:38 2014 -0700
drm: Add drm_crtc_init_with_planes() (v2)
The result was that we've unref'ed the fb for the primary plane twice,
leading to a use-after free bug. This is because the drm core will
already set crtc->primary->fb to NULL and do the unref for us, and the
crtc disable hook is called by the drm crtc helpers for exactly this
case.
Aside: Now that the fbdev helpers clean up planes there's no longer a
need to do this in drivers. So this could probably be nuked entirely
in linux-next.
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Tested-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
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The 'label' attribute was always created but returned -ENOENT
if there is no label and such behaviour is undefined from
libsensors' point of view.
Fixed by providing is_visible method in the attributes group,
so the attribute is not created at all when unnecessary.
Reported-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Pawel Moll <pawel.moll@arm.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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The driver used to directly us a DT 'compatible' property for
the 'name' attribute of the hwmon devices. Unfortunately it
contains '-' which is illegal in this context. It messes up
libsensors and thus every application using it.
Fixed by providing equivalent (and simpler) name strings.
Reported-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Pawel Moll <pawel.moll@arm.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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dcscb_allcpus_mask is an array of size 2.
The index variable cluster has to be checked against this limit
before accessing the array.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Acked-by: Nicolas Pitre <nico@linaro.org>
Signed-off-by: Pawel Moll <pawel.moll@arm.com>
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If the allocation fails then we dereference the NULL in the error path.
Just return directly.
Fixes: ed27ff1db869 ('clk: Versatile Express clock generators ("osc") driver')
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Pawel Moll <pawel.moll@arm.com>
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When PPGTT was disabled by default, the patch also prevented the user
from overriding this behavior via module parameter. Being able to test
this on arbitrary kernels is extremely beneficial to track down the
remaining bugs. The patch that prevented this was:
commit 93a25a9e2d67765c3092bfaac9b855d95e39df97
Author: Daniel Vetter <daniel.vetter@ffwll.ch>
Date: Thu Mar 6 09:40:43 2014 +0100
drm/i915: Disable full ppgtt by default
By default PPGTT is set to -1. 0 means off, 1 means aliasing only, 2
means full, all other values are reserved.
Signed-off-by: Ben Widawsky <ben@bwidawsk.net>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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If the inherited BIOS framebuffer is smaller than the mode selected for
fbdev, then if we continue to use it then we cause display corruption as
we do not setup the panel fitter to upscale.
Regression from commit d978ef14456a38034f6c0e94a794129501f89200
Author: Jesse Barnes <jbarnes@virtuousgeek.org>
Date: Fri Mar 7 08:57:51 2014 -0800
drm/i915: Wrap the preallocated BIOS framebuffer and preserve for KMS fbcon v12
v2: Add a debug message to track the discard of the BIOS fb.
v3: Ville pointed out the difference between ref/unref
Reported-by: Knut Petersen <Knut_Petersen@t-online.de>
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=77767
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Jesse Barnes <jbarnes@virtuousgeek.org>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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I suppose there is a possibility that hsw_notification_work() may run after
sst_hsw_stream_free() which can lead to a kernel crash since struct
sst_hsw_stream is freed at that point and
stream = container_of(work, struct sst_hsw_stream, notify_work) is not valid
when hsw_notification_work() is run.
Reported-by: Derek Basehore <dbasehore@chromium.org>
Reported-by: Wenkai Du <wenkai.du@intel.com>
Signed-off-by: Jarkko Nikula <jarkko.nikula@linux.intel.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
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audmux_debugfs_init() is marked as __init, but is called from imx_audmux_probe()
which is not marked as __init. This creates a section mismatch and a potential
runtime crash (if imx_audmux_probe() is called after the .init section was
dropped). This patch removes the __init annotation from audmux_debugfs_init(),
which fixes the following warning:
WARNING: sound/soc/built-in.o(.text+0x86960): Section mismatch in reference
from the function imx_audmux_probe() to the function
.init.text:audmux_debugfs_init()
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mark Brown <broonie@linaro.org>
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They need to have the class SERIAL.
Note: it is a Win 7 panel, not Win 8 certified.
Signed-off-by: Tomas Sokorai <tsokorai@gmail.com>
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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When 'flags' argument to sched_{set,get}attr() syscalls were
added in:
6d35ab48090b ("sched: Add 'flags' argument to sched_{set,get}attr() syscalls")
no description for 'flags' was added. It causes the following warnings on "make htmldocs":
Warning(/kernel/sched/core.c:3645): No description found for parameter 'flags'
Warning(/kernel/sched/core.c:3789): No description found for parameter 'flags'
Signed-off-by: Masanari Iida <standby24x7@gmail.com>
Cc: peterz@infradead.org
Link: http://lkml.kernel.org/r/1397753955-2914-1-git-send-email-standby24x7@gmail.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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We already check that the buffer object we're accessing is registered with
the file. Now also make sure that we can't DMA across buffer object boundaries.
v2: Code commenting update.
Cc: stable@vger.kernel.org
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Reviewed-by: Jakob Bornecrantz <jakob@vmware.com>
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This patch fixes a bug introduced by:
24223657806a ("perf/x86/intel: Use rdmsrl_safe() when initializing RAPL PMU")
The rdmsrl_safe() function returns 0 on success.
The current code was failing to detect the RAPL PMU
on real hardware (missing /sys/devices/power) because
the return value of rdmsrl_safe() was misinterpreted.
Signed-off-by: Stephane Eranian <eranian@google.com>
Acked-by: Borislav Petkov <bp@suse.de>
Acked-by: Venkatesh Srinivas <venkateshs@google.com>
Cc: peterz@infradead.org
Cc: zheng.z.yan@intel.com
Link: http://lkml.kernel.org/r/20140423170418.GA12767@quad
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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MBus windows are used on Marvell platforms to map certain peripherals
in the physical address space. In the PCIe context, MBus windows are
needed to map PCIe I/O and memory regions in the physical address.
However, those MBus windows can only have power of two sizes, while
PCIe BAR do not necessarily guarantee this. For this reason, the
current pci-mvebu breaks on platforms where PCIe devices have BARs
that don't sum up to a power of two size at the emulated bridge level.
This commit fixes this by allowing the pci-mvebu driver to create
multiple contiguous MBus windows (each having a power of two size) to
cover a given PCIe BAR.
To achieve this, two functions are added: mvebu_pcie_add_windows() and
mvebu_pcie_del_windows() to respectively add and remove all the MBus
windows that are needed to map the provided PCIe region base and
size. The emulated PCI bridge code now calls those functions, instead
of directly calling the mvebu-mbus driver functions.
Fixes: 45361a4fe446 ('pci: PCIe driver for Marvell Armada 370/XP systems')
Cc: <stable@vger.kernel.org> # v3.11+
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Link: https://lkml.kernel.org/r/1397823593-1932-8-git-send-email-thomas.petazzoni@free-electrons.com
Tested-by: Neil Greatorex <neil@fatboyfat.co.uk>
Acked-by: Bjorn Helgaas <bhelgaas@google.com>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
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Having multiple windows with the same target and attribute is actually
legal, and can be useful for PCIe windows, when PCIe BARs have a size
that isn't a power of two, and we therefore need to create several
MBus windows to cover the PCIe BAR for a given PCIe interface.
Fixes: fddddb52a6c4 ('bus: introduce an Marvell EBU MBus driver')
Cc: <stable@vger.kernel.org> # v3.10+
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Link: https://lkml.kernel.org/r/1397823593-1932-7-git-send-email-thomas.petazzoni@free-electrons.com
Tested-by: Neil Greatorex <neil@fatboyfat.co.uk>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
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The mbus hardware requires a power of two size, and size aligned base.
Currently, if a non-power of two is passed in to the low level routines
they configure the register in a way that results in undefined behaviour.
Call WARN and return EINVAL instead.
Also, update the debugfs routines to show a message if there is an
invalid register setting.
All together this makes the recent problems with silent failure
of PCI very obvious, noisy and debuggable.
Signed-off-by: Jason Gunthorpe <jgunthorpe@obsidianresearch.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Link: https://lkml.kernel.org/r/1397823593-1932-6-git-send-email-thomas.petazzoni@free-electrons.com
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
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mvebu_pcie_handle_membase_change() and
mvebu_pcie_handle_iobase_change() do not correctly compute the window
size. PCI uses an inclusive start/end address pair, which requires a
+1 when converting to size.
This only worked because a bug in the mbus driver allowed it to
silently accept and round up bogus sizes.
Fix this by adding one to the computed size.
Fixes: 45361a4fe446 ('PCIe driver for Marvell Armada 370/XP systems')
Cc: <stable@vger.kernel.org> # v3.11+
Signed-off-by: Willy Tarreau <w@1wt.eu>
Reviewed-By: Jason Gunthorpe <jgunthorpe@obsidianresearch.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Link: https://lkml.kernel.org/r/1397823593-1932-5-git-send-email-thomas.petazzoni@free-electrons.com
Tested-by: Neil Greatorex <neil@fatboyfat.co.uk>
Acked-by: Bjorn Helgaas <bhelgaas@google.com>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
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Work around BIOSes that don't report the entire Intel MCH area.
MCHBAR is not an architected PCI BAR, so MCH space is usually reported as a
PNP0C02 resource. The MCH space was once 16KB, but is 32KB in newer parts.
Some BIOSes still report a PNP0C02 resource that is only 16KB, which means
the rest of the MCH space is consumed but unreported.
This can cause resource map sanity check warnings or (theoretically) a
device conflict if we assigned the unreported space to another device.
The Intel perf event uncore driver tripped over this when it claimed the
MCH region:
resource map sanity check conflict: 0xfed10000 0xfed15fff 0xfed10000 0xfed13fff pnp 00:01
Info: mapping multiple BARs. Your kernel is fine.
To prevent this, if we find a PNP0C02 resource that covers part of the MCH
space, extend it to cover the entire space.
References: http://lkml.kernel.org/r/20140224162400.GE16457@pd.tnic
Reported-and-tested-by: Borislav Petkov <bp@alien8.de>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Borislav Petkov <bp@suse.de>
Acked-by: Stephane Eranian <eranian@google.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Cc: stable@vger.kernel.org
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Pull ARM fixes from Russell King:
"Various fixes and post-merge window updates. Included here are:
- ensure Kconfig things which should be sorted remain sorted
- fix three big-endian bugs which crept in during the last merge
window
- add the renameat2 syscall
- fix big.LITTLE switcher initialisation checks
- fix kdump vmcore for LPAE kernels"
* 'fixes' of git://ftp.arm.linux.org.uk/~rmk/linux-arm:
ARM: add renameat2 syscall
ARM: keep arch/arm/Kconfig and arch/arm/mm/Kconfig select entries sorted
ARM: 8033/1: fix big endian __pv_phys_pfn_offset size related issue
ARM: 8032/1: bL_switcher: fix validation check before its activation
ARM: 8030/1: ARM : kdump : add arch_crash_save_vmcoreinfo
ARM: 8027/1: fix do_div() bug in big-endian systems
ARM: 8026/1: Fix emulation of multiply accumulate instructions
ARM: 8024/1: Keep DEBUG_UART_{PHYS,VIRT} entries sorted
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In usbdux_ao_cmd(), the channels for the command are transfered from the
cmd->chanlist and stored in the private data 'ao_chanlist'. The channel
numbers are bit-shifted when stored so that they become the "command"
that is transfered to the device. The channel to command conversion
results in the 'ao_chanlist' having these values for the channels:
channel 0 -> ao_chanlist = 0x00
channel 1 -> ao_chanlist = 0x40
channel 2 -> ao_chanlist = 0x80
channel 3 -> ao_chanlist = 0xc0
The problem is, the usbduxsub_ao_isoc_irq() function uses the 'chan' value
from 'ao_chanlist' to access the 'ao_readback' array in the private data.
So instead of accessing the array as 0, 1, 2, 3, it accesses it as 0x00,
0x40, 0x80, 0xc0.
Fix this by storing the raw channel number in 'ao_chanlist' and doing the
bit-shift when creating the command.
Fixes: a998a3db530bff80 "staging: comedi: usbdux: cleanup the private data 'outBuffer'"
Cc: stable <stable@vger.kernel.org> # 3.12
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Acked-by: Bernd Porr <mail@berndporr.me.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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File-private locks have been re-christened as "open file description"
locks. Finish the symbol name cleanup in the internal implementation.
Signed-off-by: Jeff Layton <jlayton@redhat.com>
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exisiting BPF verifier allows uninitialized access to registers,
'ret A' is considered to be a valid filter.
So initialize A and X to zero to prevent leaking kernel memory
In the future BPF verifier will be rejecting such filters
Signed-off-by: Alexei Starovoitov <ast@plumgrid.com>
Cc: Daniel Borkmann <dborkman@redhat.com>
Acked-by: Daniel Borkmann <dborkman@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The goal of this patch is to fix rtnelink notification. The main problem was
about notification for fdb entry with more than one remote. Before the patch,
when a remote was added to an existing fdb entry, the kernel advertised the
first remote instead of the added one. Also when a remote was removed from a fdb
entry with several remotes, the deleted remote was not advertised.
Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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In ksz9021_load_values_from_of() val2 to val4 aren't tested against their
initialization value.
This causes the test to always succeed, and this value to be used as if it
was loaded from the devicetree instead of being ignored, in case of a
missing/invalid property in the ethernet OF device node.
As a result, the value "0" is written to the relevant registers.
Change the conditions to test against the right initialization value.
Signed-off-by: Hubert Chaumette <hchaumette@adeneo-embedded.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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I've noticed occasional random oopsing on my gateway
machine since I upgraded it to use device tree based
booting. As this machine has worked reliably before
that for a few years, pretty much the only difference
was narrowed down to the GPMC timings. Turns out that
for legacy based booting we are using bootloader timings
for GPMC for smsc911x. With device tree we are passing
the timings in the .dts file, and the device tree
timings are not quite suitable for LAN9920.
Enabling DEBUG in gpmc.c I noticed that the device tree
configured timings are different from the the known
working bootloader timings. So let's fix the timings to
match the bootloader timings when looked at the gpmc
dmesg output with DEBUG enabled.
The changes were done by multiplying the bootloader
tick values by six to get the nanosecond value for
device tree. This is not generic from the device point
of view as the calculations should be based on the device
timings. Anyways, further improvments can be done based
on the timings documentation for LAN9220. But let's first
get things to a known good working state.
Note that we still need to change the timings also for
sb-t35 also as it has two LAN9220 instances on GPMC and
we can currently include the generic timings only once.
Also note that any boards that have LAN9221 instead of
LAN9220 should be updated to use omap-gpmc-smsc9221.dtsi
instead of omap-gpmc-smsc911x.dtsi. The LAN9221 timings
are different from LAN9220 timings.
Cc: Christoph Fritz <chf.fritz@googlemail.com>
Cc: Dmitry Lifshitz <lifshitz@compulab.co.il>
Cc: Javier Martinez Canillas <javier@dowhile0.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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Looks like we have wrong GPMC timings we have for the cm-t and
sbc-t boards. This can cause occasional strange errors with at
least doing an rsync of large files or doing apt-get dist-upgrade.
Let's fix the issue in two phases. First let's simplify cm-t and
sbc-t to use the shared omap-gpmc-smsc911x.dtsi to avoid fixing
the issue in multiple places. Then we can fix the timings in
a single place with a follow-up patch.
Cc: Dmitry Lifshitz <lifshitz@compulab.co.il>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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Looks like the OTG pins are off by 2 and we get this:
pinctrl-single 48002030.pinmux: pin 480021a0.0 already requested by 49020000.serial; cannot claim for 480ab000.usb_otg_hs
pinctrl-single 48002030.pinmux: pin-184 (480ab000.usb_otg_hs) status -22
pinctrl-single 48002030.pinmux: could not request pin 184 (480021a0.0) from group pinmux_hsusb0_pins on device pinctrl-single
musb-omap2430 480ab000.usb_otg_hs: Error applying setting, reverse things back
That's probably because the TRM lists the values as
32-bit registers so every second needs 2 added to the
address. The OTG pin start range must start from
0x21a2, not 0x21a0.
Cc: Dmitry Lifshitz <lifshitz@compulab.co.il>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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At least the smc91x driver expects the device to be at 0x300
offset from bus base address. This does not work currently
for GPMC when booted in device tree mode as it attempts to
remap the the allocated GPMC partition to the address
configured by the device tree plus the device offset.
Note that this works just fine when booted with legacy mode.
Let's fix the issue by just ignoring any device specific
offset while remapping. And let's make sure the remap
address confirms to the GPMC 16MB minimum granularity
as listed in the TRM for GPMC_CONFIG7 BASEADDRESS bits.
Otherwise we can get something like this:
omap-gpmc 6e000000.gpmc: cannot remap GPMC CS 1 to 0x01000300
Cc: Pekon Gupta <pekon@ti.com>
Reviewed-by: Javier Martinez Canillas <javier@dowhile0.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input updates from Dmitry Torokhov:
"The main change is that we now publish "firmware ID" for the serio
devices to help userspace figure out the kind of touchpads it is
dealing with: i8042 will export PS/2 port's PNP IDs as firmware IDs.
You will also get more quirks for Synaptics touchpads in various
Lenovo laptops, a change to elantech driver to recognize even more
models, and fixups to wacom and couple other drivers"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
Input: elantech - add support for newer elantech touchpads
Input: soc_button_array - fix a crash during rmmod
Input: synaptics - add min/max quirk for ThinkPad T431s, L440, L540, S1 Yoga and X1
Input: synaptics - report INPUT_PROP_TOPBUTTONPAD property
Input: Add INPUT_PROP_TOPBUTTONPAD device property
Input: i8042 - add firmware_id support
Input: serio - add firmware_id sysfs attribute
Input: wacom - handle 1024 pressure levels in wacom_tpc_pen
Input: wacom - references to 'wacom->data' should use 'unsigned char*'
Input: wacom - override 'pressure_max' with value from HID_USAGE_PRESSURE
Input: wacom - use full 32-bit HID Usage value in switch statement
Input: wacom - missed the last bit of expresskey for DTU-1031
Input: ads7846 - fix device usage within attribute show
Input: da9055_onkey - remove use of regmap_irq_get_virq()
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Pull radeon drm fixes from Dave Airlie:
"This is just radeon fixes, primarily the two pll fix and the aux fix,
it also disables dpm on rv770 gpus, fixes driver reloading, and fixes
two issues with runtime PM on some GPUS"
* 'drm-fixes' of git://people.freedesktop.org/~airlied/linux:
drm/radeon: don't allow runpm=1 on systems with out ATPX
drm/radeon: fix ATPX detection on non-VGA GPUs
drm/radeon/pm: don't walk the crtc list before it has been initialized (v2)
drm/radeon: properly unregister hwmon interface (v2)
drm/radeon: fix count in cik_sdma_ring_test()
drm/radeon/aux: fix hpd assignment for aux bus
drm/radeon: improve PLL limit handling in post div calculation
drm/radeon: use fixed PPL ref divider if needed
drm/radeon: disable dpm on rv770 by default
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There is a missing 0 entry from the MOD_SEL3 table.
Signed-off-by: Phil Edworthy <phil.edworthy@renesas.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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The extra entry in the table makes SCIFA0_B, and all
peripherals after it, fail.
Signed-off-by: Phil Edworthy <phil.edworthy@renesas.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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Since we set up device wake-up interrupts as pinctrl-single
interrupts, we now must use the standard request_irq and
related functions to manage them.
If the pin interrupts are enabled for some pins at boot,
the wake-up events can show up as constantly pending
at least on omaps and will hang the system unless the related
device driver clears the event at the device.
To fix this, let's clear the interrupt flags during init,
and print out a warning so the board maintainers can update
their drivers to do proper request_irq for the driver specific
wake-up events.
Cc: Haojian Zhuang <haojian.zhuang@linaro.org>
Cc: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/jolsa/perf into perf/urgent
Pull perf/urgent fixes from Jiri Olsa:
* Fix memory leak and backward compatibility macros for pevent
filter enums in traceevent library (Steven Rostedt)
* Disable libdw unwind for all but x86 arch (Jiri Olsa)
* Fix memory leak in sample_ustack (Masanari Iida)
Signed-off-by: Jiri Olsa <jolsa@redhat.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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68efd7d2fb("arm: dma-mapping: remove order parameter from
arm_iommu_create_mapping()") is causing kernel panic
because it wrongly sets the value of mapping->size:
Unable to handle kernel NULL pointer dereference at virtual
address 000000a0
pgd = e7a84000
[000000a0] *pgd=00000000
...
PC is at bitmap_clear+0x48/0xd0
LR is at __iommu_remove_mapping+0x130/0x164
Fix it by correcting mapping->size value.
Signed-off-by: Ritesh Harjani <ritesh.harjani@gmail.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
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'spi/fix/hspi' and 'spi/fix/sirf' into spi-linus
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s/interrupts-names/interrupt-names/g
s/clocks-names/clock-names/g
Some of the binding files and device tree files get this wrong and the
kernel won't be able to pick it up. Fix them up now so that they don't
get widely used.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by : Patrice Chotard <patrice.chotard@st.com>
Signed-off-by: Grant Likely <grant.likely@linaro.org>
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Commit 12e55569a244 "tools lib traceevent: Use helper trace-seq in print
functions like kernel does" added a extra trace_seq helper to process
string arguments like the kernel does it. But the difference between the
kernel and the userspace library is that the kernel's trace_seq structure
has a static allocated buffer. The userspace one has a dynamically
allocated one. It requires a trace_seq_destroy(), otherwise it produces
a nasty memory leak.
Cc: stable@vger.kernel.org # 3.14+
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Link: http://lkml.kernel.org/r/20140422192330.6bb09bf8@gandalf.local.home
Signed-off-by: Jiri Olsa <jolsa@redhat.com>
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The return value for pevent_filter_match() is suppose to return FILTER_NONE
if the event doesn't have a filter, and FILTER_NOEXIST if there is no filter
at all. But the change 41e12e580a7 "tools lib traceevent: Refactor
pevent_filter_match() to get rid of die()" replaced the return value
with PEVENT_ERRNO__* values and added "backward compatibility" macros
that used the old names. Unfortunately, the NOEXIST and NONE macros were
swapped, and this broke users that use the old return names.
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Link: http://lkml.kernel.org/r/20140421222346.0351ced4@gandalf.local.home
Signed-off-by: Jiri Olsa <jolsa@redhat.com>
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So far there's only x86 libdw unwind support merged in perf.
Disable it on all other architectures in case libdw unwind
support is detected in system.
Cc: Arnaldo Carvalho de Melo <acme@ghostprotocols.net>
Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jean Pihet <jean.pihet@linaro.org>
Cc: Josh Boyer <jwboyer@fedoraproject.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1397988006-14158-1-git-send-email-jolsa@redhat.com
Signed-off-by: Jiri Olsa <jolsa@redhat.com>
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The buf is not freed, when kernel failed to get stack map
and return.
Signed-off-by: Masanari Iida <standby24x7@gmail.com>
Link: http://lkml.kernel.org/r/1398091024-7901-1-git-send-email-standby24x7@gmail.com
Signed-off-by: Jiri Olsa <jolsa@redhat.com>
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rsnd_soc_dai_trigger() will be called
after rsnd_dai_pointer_update() function
which is using rsnd_lock().
Thus, it should be called from outside of rsnd_lock().
Kernel will be hangup without this patch.
Special thanks to Kataoka-san
Reported-by: Ryo Kataoka <ryo.kataoka.wt@renesas.com>
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
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There is a race between sst_byt_stream_free() and sst_byt_get_stream()
if sst_byt_get_stream() called from sst_byt_irq_thread() context is
accessing the byt->stream_list while a stream is deleted from the list.
A stream is added to byt->stream_list in sst_byt_stream_new() and deleted in
sst_byt_stream_free(). sst_byt_get_stream() is always protected by
sst->spinlock, but the stream addition and deletion are not protected.
The patch adds spinlock to both stream addition and deletion.
[Jarkko: Same fix added to sst-haswell-ipc.c too]
Signed-off-by: Wenkai Du <wenkai.du@intel.com>
Signed-off-by: Jarkko Nikula <jarkko.nikula@linux.intel.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
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Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
[dropped arch/arm/include/asm/unistd.h changes --rmk]
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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