Ensure that if userspace supplies insufficient data to
PTRACE_SETREGSET to fill all the registers, the thread's old
registers are preserved.
Cc: stable@vger.kernel.org
Signed-off-by: Dave Martin <Dave.Martin@arm.com>
Signed-off-by: Chris Metcalf <cmetcalf@mellanox.com>
The TI Keystone SoCs have extra UART registers beyond the standard 8250
registers, so we need a new compatible string to indicate this. Also, at
least one of these registers uses the full 32 bits, so we need to specify
reg-io-width in addition to reg-shift.
"ns16550a" is left in the compatible specification since it does work as
long as the bootloader configures the SoC UART power management registers.
Signed-off-by: David Lechner <david@lechnology.com>
Signed-off-by: Santosh Shilimkar <ssantosh@kernel.org>
This patch cleanup the code to remove unnecessary header files and
also sort the header files.
Signed-off-by: Murali Karicheri <m-karicheri2@ti.com>
Signed-off-by: WingMan Kwok <w-kwok2@ti.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
Signed-off-by: Santosh Shilimkar <ssantosh@kernel.org>
This patch fixes some typos in the trace message
Signed-off-by: Murali Karicheri <m-karicheri2@ti.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
Signed-off-by: Santosh Shilimkar <ssantosh@kernel.org>
Pull swiotlb fixes from Konrad Rzeszutek Wilk:
"This has one fix to make i915 work when using Xen SWIOTLB, and a
feature from Geert to aid in debugging of devices that can't do DMA
outside the 32-bit address space.
The feature from Geert is on top of v4.10 merge window commit
(specifically you pulling my previous branch), as his changes were
dependent on the Documentation/ movement patches.
I figured it would just easier than me trying than to cherry-pick the
Documentation patches to satisfy git.
The patches have been soaking since 12/20, albeit I updated the last
patch due to linux-next catching an compiler error and adding an
Tested-and-Reported-by tag"
* 'stable/for-linus-4.10' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/swiotlb:
swiotlb: Export swiotlb_max_segment to users
swiotlb: Add swiotlb=noforce debug option
swiotlb: Convert swiotlb_force from int to enum
x86, swiotlb: Simplify pci_swiotlb_detect_override()
Three fixes queued up:
* Fix an issue with command buffer overflow handling in the AMD
IOMMU driver
* Add an additional context entry flush to the Intel VT-d driver
to make sure any old context entry from kdump copying is
flushed out of the cache
* Correct the encoding of the PASID table size in the Intel VT-d
driver
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Merge tag 'iommu-fixes-v4.10-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu
Pull IOMMU fixes from Joerg Roedel:
"Three fixes queued up:
- fix an issue with command buffer overflow handling in the AMD IOMMU
driver
- add an additional context entry flush to the Intel VT-d driver to
make sure any old context entry from kdump copying is flushed out
of the cache
- correct the encoding of the PASID table size in the Intel VT-d
driver"
* tag 'iommu-fixes-v4.10-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu:
iommu/amd: Fix the left value check of cmd buffer
iommu/vt-d: Fix pasid table size encoding
iommu/vt-d: Flush old iommu caches for kdump when the device gets context mapped
- Fix a device enumeration issue leading to incorrect associations
between ACPI device objects and platform device objects representing
physical devices if the given device object has both _ADR and _HID
(Rafael Wysocki).
- Avoid passing NULL to acpi_put_table() during IOMMU initialization
which triggers a (rightful) warning from ACPICA (Rafael Wysocki).
- Drop an excessive call to acpi_dma_deconfigure() from the core
code that binds ACPI device objects to device objects representing
physical devices (Lorenzo Pieralisi).
- Update an error message in the ACPI WDAT watchdog driver to make it
provide more useful information (Mika Westerberg).
- Add a mechanism to work around issues with unhandled GPE notifications
that occur during system initialization and cannot be prevented by
means of sysfs (Lv Zheng).
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Merge tag 'acpi-4.10-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI fixes from Rafael Wysocki:
"These fix a device enumeration problem related to _ADR matching and an
IOMMU initialization issue related to the DMAR table missing, remove
an excessive function call from the core ACPI code, update an error
message in the ACPI WDAT watchdog driver and add a way to work around
problems with unhandled GPE notifications.
Specifics:
- Fix a device enumeration issue leading to incorrect associations
between ACPI device objects and platform device objects
representing physical devices if the given device object has both
_ADR and _HID (Rafael Wysocki).
- Avoid passing NULL to acpi_put_table() during IOMMU initialization
which triggers a (rightful) warning from ACPICA (Rafael Wysocki).
- Drop an excessive call to acpi_dma_deconfigure() from the core code
that binds ACPI device objects to device objects representing
physical devices (Lorenzo Pieralisi).
- Update an error message in the ACPI WDAT watchdog driver to make it
provide more useful information (Mika Westerberg).
- Add a mechanism to work around issues with unhandled GPE
notifications that occur during system initialization and cannot be
prevented by means of sysfs (Lv Zheng)"
* tag 'acpi-4.10-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
ACPI / DMAR: Avoid passing NULL to acpi_put_table()
ACPI / scan: Prefer devices without _HID/_CID for _ADR matching
ACPI / watchdog: Print out error number when device creation fails
ACPI / sysfs: Provide quirk mechanism to prevent GPE flooding
ACPI: Drop misplaced acpi_dma_deconfigure() call from acpi_bind_one()
- Fix a few intel_pstate driver issues: add missing locking it two places,
avoid exposing a useless debugfs interface and keep the attribute
values in sysfs in sync (Rafael Wysocki).
- Drop confusing kernel-doc references related to power management and
ACPI from the driver API manual (Rafael Wysocki).
- Make a false-positive compiler warning in the generic power domains
framework go away (Augusto Mecking Caringi).
- Fix two initialization issues in the devfreq subsystem and update
the MAINTAINERS entry for it (Chanwoo Choi).
- Add a new "compatible" string for APM X-Gene 2 to the generic DT
cpufreq driver (Hoan Tran).
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Merge tag 'pm-4.10-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management fixes from Rafael Wysocki:
"These fix a few issues in the intel_pstate driver, a documetation
issue, a false-positive compiler warning in the generic power domains
framework and two problems in the devfreq subsystem. They also update
the MAINTAINERS entry for devfreq and add a new "compatible" string to
the generic cpufreq-dt driver.
Specifics:
- Fix a few intel_pstate driver issues: add missing locking it two
places, avoid exposing a useless debugfs interface and keep the
attribute values in sysfs in sync (Rafael Wysocki).
- Drop confusing kernel-doc references related to power management
and ACPI from the driver API manual (Rafael Wysocki).
- Make a false-positive compiler warning in the generic power domains
framework go away (Augusto Mecking Caringi).
- Fix two initialization issues in the devfreq subsystem and update
the MAINTAINERS entry for it (Chanwoo Choi).
- Add a new "compatible" string for APM X-Gene 2 to the generic DT
cpufreq driver (Hoan Tran)"
* tag 'pm-4.10-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
cpufreq: dt: Add support for APM X-Gene 2
PM / devfreq: exynos-bus: Fix the wrong return value
PM / devfreq: Fix the bug of devfreq_add_device when governor is NULL
MAINTAINERS: Add myself as reviewer for DEVFREQ subsystem support
PM / docs: Drop confusing kernel-doc references from infrastructure.rst
PM / domains: Fix 'may be used uninitialized' build warning
cpufreq: intel_pstate: Always keep all limits settings in sync
cpufreq: intel_pstate: Use locking in intel_cpufreq_verify_policy()
cpufreq: intel_pstate: Use locking in intel_pstate_resume()
cpufreq: intel_pstate: Do not expose PID parameters in passive mode
The Moorestown support was removed by commit 1a8359e411 ("x86/mid: Remove
Intel Moorestown").
Remove this leftover.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
msleep(1~20) may not do what the caller intends, and will often sleep
longer (~20 ms actual sleep for any value given in the 1~20ms range). This
is not the desired behaviour for many cases like device resume time, device
suspend time, device enable time, retry logic, etc. Thus, change msleep to
usleep_range for precise wakeups.
Signed-off-by: Aniroop Mathur <a.mathur@samsung.com>
Acked-by: Simon Budig <simon.budig@kernelconcepts.de>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
The order of endpoints is well defined on official Xbox pads, but
we have found at least one 3rd-party pad that doesn't follow the
standard ("Titanfall 2 Xbox One controller" 0e6f:0165).
Fortunately, we get lucky with this specific pad because it uses
endpoint addresses that differ only by direction. We know that
there are other pads out where this is not true, so let's go
ahead and fix this.
Signed-off-by: Cameron Gutman <aicommander@gmail.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Replace first goto with simple returns as we really are just returning
one error code.
Signed-off-by: Pavel Rojtberg <rojtberg@gmail.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
xbox one was the only device that has a *_process_buttons routine.
Signed-off-by: Pavel Rojtberg <rojtberg@gmail.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
My intention was to release this code under GPL v2 license. For some
reason my initial commit 0fc6a323e1 ("spi: bcm53xx: driver for SPI
controller on Broadcom bcma SoC") totally missed licensing info.
MODULE_LICENSE was later added by Axel specifying "GNU Public License
v2 or later".
This patch clarifies situation by adding a proper header (with Copyright
line) and adjusting MODULE_LICENSE. It should be acked by every driver
contributor.
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Acked-by: Nicholas Mc Guire <hofrat@osadl.org>
Reviewed-by: Jingoo Han <jingoohan1@gmail.com>
Acked-by: Jingoo Han <jingoohan1@gmail.com>
Acked-by: Joe Perches <joe@perches.com>
Acked-by: Axel Lin <axel.lin@ingics.com>
Acked-by: Vaishali Thakkar <vaishali.thakkar@oracle.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
When multiple front-ends are using the same back-end, putting state of a
front-end to STOP state upon receiving pause command will result in backend
stream getting released by DPCM framework unintentionally. In order to
avoid backend to be released when another active front-end stream is
present, put the stream state to PAUSED state instead of STOP state.
Signed-off-by: Patrick Lai <plai@codeaurora.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
Check stream decoupled register value with requested value
before decoupling/coupling the stream.
Signed-off-by: Jeeja KP <jeeja.kp@intel.com>
Acked-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Mark Brown <broonie@kernel.org>
Saved firmware ctx was not never released, so release Firmware
ctx in cleanup routine.
Signed-off-by: Jeeja KP <jeeja.kp@intel.com>
Acked-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Use the optimized dsp_register_poll API to poll the DSP firmware
status register rather than open coding it.
Signed-off-by: Jeeja KP <jeeja.kp@intel.com>
Acked-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Poll implementation is not quite accurate, especially for smaller
values of timeout or timeout values close to the actual timeout needed
Use jiffies to set the timeout value and time_before() to get the
accurate time. So update the dsp register poll implementation to
provide accurate timeout using jiffies.
Signed-off-by: Jayachandran B <jayachandran.b@intel.com>
Signed-off-by: Jeeja KP <jeeja.kp@intel.com>
Acked-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Instead of passing the topology manifest info directly to IPC library,
define the manifest info in topology and use this in IPC Library.
This will remove the dependency on topology interface definition with
IPC library.
Signed-off-by: Jeeja KP <jeeja.kp@intel.com>
Acked-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Previously DMA watermark level is configured to fifosize/2,
DMA mode can be used only when transfer length can be divided
by 'watermark level * bpw', which makes DMA mode not pratical.
This patch adjusts watermark level to largest number (no bigger
than fifosize/2) which can divide 'tranfer length / bpw' for
each transfer.
Signed-off-by: Jiada Wang <jiada_wang@mentor.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
As requirements to bring up audio paths are continuous getting tighter
and the DSP download to most ADSP devices happens over an external bus
it can become an important factor in the path bring up time. As such
sometimes it is a reasonable trade off to download the firmware ahead of
when it will be required and take a small hit on power consumption for
keeping the core powered up.
This "preloading" adds an additional control for each DSP core "DSPx
Preload Switch" that when set to true will power up the DSP core and
download the firmware currently selected in the "DSPx Firmware" control.
Whilst the core is preloaded the current firmware can not be changed and
the CODEC will be kept powered up and SYSCLK held on. Although future
improvements may allow the SYSCLK to be powered down as well because
the hardware only requires SYSCLK whilst the download is actually taking
place, but this is not covered in this series.
Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
So they can figure out what is the optimal number of pages
that can be contingously stitched together without fear of
bounce buffer.
We also expose an mechanism for sub-users of SWIOTLB API, such
as Xen-SWIOTLB to set the max segment value. And lastly
if swiotlb=force is set (which mandates we bounce buffer everything)
we set max_segment so at least we can bounce buffer one 4K page
instead of a giant 512KB one for which we may not have space.
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Reported-and-Tested-by: Juergen Gross <jgross@suse.com>
When we used to defer setting the "grf" member to
rockchip_clk_get_grf() it was important to init the "grf" member to an
error value in rockchip_clk_init(). With recent changes, we now set
"grf" right in rockchip_clk_init() (two lines below the place where we
initted it). That makes the old init useless. Get rid of it.
Fixes: 6f339dc271 ("clk: rockchip: lookup General Register Files in rockchip_clk_init")
Signed-off-by: Douglas Anderson <dianders@chromium.org>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Aaro has been doing a great job making sure mach-omap1 stays working
with the mainline kernel. So let's add Aaro as omap1 co-maintainer to
the MAINTAINERS file.
Acked-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: Tony Lindgren <tony@atomide.com>
As we now use a deferred free queue for objects, simply retiring the
active objects is not enough to immediately free them and recover their
mmap space - we must now also drain the freed object list.
Fixes: fbbd37b36f ("drm/i915: Move object release to a freelist + worker"
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Cc: <drm-intel-fixes@lists.freedesktop.org>
Link: http://patchwork.freedesktop.org/patch/msgid/20170106152240.5793-3-chris@chris-wilson.co.uk
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Make afs_readpages() use afs_vnode_fetch_data()'s new ability to take a
list of pages and do a bulk fetch.
Signed-off-by: David Howells <dhowells@redhat.com>
Make afs_fs_fetch_data() take a list of pages for bulk data transfer. This
will allow afs_readpages() to be made more efficient.
Signed-off-by: David Howells <dhowells@redhat.com>
When using 8250_omap driver, we need to specify the right
compatible value for the UART to work on dm814x and dm816x.
Signed-off-by: Tony Lindgren <tony@atomide.com>
It's possible that there are multiple quirks that need to be initialized
for the same SoC. Fix the issue by not returning on the first match.
Signed-off-by: Tony Lindgren <tony@atomide.com>
If the DMA remap fails, one cause can be that we have too many objects
pinned in a small remapping table, such as swiotlb. (DMA remapping does
not trigger the shrinker by itself on its normal failure paths.) So try
purging all other objects (using i915_gem_shrink_all(), sparing our own
pages as we have yet to assign them to the obj->pages) and try again. If
there are no pages to reclaim (and consequently no pages to unmap), the
shrinker will report 0 and we fail with -ENOSPC as before.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170106152240.5793-2-chris@chris-wilson.co.uk
We need to also have OFFPULLUDENABLE bit set to use the off mode pull values.
Otherwise the line is pulled down internally if no external pull exists.
This is has some documentation at:
http://processors.wiki.ti.com/index.php/Optimizing_OMAP35x_and_AM/DM37x_OFF_mode_PAD_configuration
Note that the value is still glitchy during off mode transitions as documented
in spz319f.pdf "Advisory 1.45". It's best to use external pulls instead of
relying on the internal ones for off mode and even then anything pulled up
will get driven down momentarily on off mode restore for GPIO banks other
than bank1.
Signed-off-by: Tony Lindgren <tony@atomide.com>
Since commit fe115628d5 ("drm/i915: Implement pwrite without
struct-mutex") the lowlevel pwrite calls are now called without the
protection of struct_mutex, but pwrite_phys was still asserting that it
held the struct_mutex and later tried to drop and relock it.
Fixes: fe115628d5 ("drm/i915: Implement pwrite without struct-mutex")
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Cc: <drm-intel-fixes@lists.freedesktop.org>
Link: http://patchwork.freedesktop.org/patch/msgid/20170106152240.5793-1-chris@chris-wilson.co.uk
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Marko reports that CX1-JB512-HP shows the same timeout issues as
CX1-JB256-HP. Let's apply MAX_SEC_128 to all devices in the series.
Signed-off-by: Tejun Heo <tj@kernel.org>
Reported-by: Marko Koski-Vähälä <marko@koski-vahala.com>
Cc: stable@vger.kernel.org # v3.19+
This is slightly different wiring compared to omap5-uevm or pandaboard:
/sys/bus/usb/devices/3-2 hub
/sys/bus/usb/devices/3-2.3 7500
Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Note that with 9730 the wiring is different compared to 9514 found on
beagleboard xm for example.
On beagleboard xm we have:
/sys/bus/usb/devices/1-2 hub
/sys/bus/usb/devices/1-2.1 9514
While on omap5-uevm we have:
/sys/bus/usb/devices/1-2 hub
/sys/bus/usb/devices/1-3 9730
Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Inspired by a patch for beagleboard xm by Laurent Pinchart
<laurent.pinchart@ideasonboard.com>, similar patch also works for
pandaboard. The only difference is that the hub is address 1 instead
of 2.
Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
The Beagleboard-xM has a LAN9514 USB hub and ethernet controller,
connected to port 2 of the OMAP EHCI controller. The board however has
no EEPROM to store the ethernet MAC address, which is programmed by the
boot loader.
To allow Linux to use the same MAC address as the boot loader (or for
that matter any fixed MAC address), we need a node in the device tree
for the ethernet controller that the boot loader can update at runtime
with a local-mac-address property. Add it, along with an alias for the
ethernet controller to let the boot loader locate it easily.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
OMAP1510, OMAP5910 and OMAP310 have only 9 logical channels.
OMAP1610, OMAP5912, OMAP1710, OMAP730, and OMAP850 have 16 logical channels
available.
The wired 17 for the lch_count must have been used to cover the 16 + 1
dedicated LCD channel, in reality we can only use 9 or 16 channels.
The d->chan_count is not used by the omap-dma stack, so we can skip the
setup. chan_count was configured to the number of logical channels and not
the actual number of physical channels anyways.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Acked-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: Tony Lindgren <tony@atomide.com>
acpi_get_object_info() allocates the returned structure, which the
caller has to free when the call succeeds. Free it when appropriate.
Fixes: c9802a4be6 ("ata: ahci_xgene: Add AHCI Support for 2nd HW version of APM X-Gene SoC AHCI SATA Host controller.")
Signed-off-by: Michał Kępień <kernel@kempniu.pl>
Signed-off-by: Tejun Heo <tj@kernel.org>
The function wkup_m3_rproc_boot_thread waits for asynchronous
firmware loading to parse the resource table before calling
rproc_boot(). However, as the resource table parsing has been
moved to rproc_boot(), there's no need to wait for the
asynchronous firmware loading completion. So, drop this.
CC: Dave Gerlach <d-gerlach@ti.com>
CC: Bjorn Andersson <bjorn.andersson@linaro.org>
Tested-by: Suman Anna <s-anna@ti.com>
Signed-off-by: Sarangdhar Joshi <spjoshi@codeaurora.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>
If NO_DMA=y:
ERROR: "bad_dma_ops" [drivers/ata/libata.ko] undefined!
To fix this, protect the DMA code by #ifdef CONFIG_HAS_DMA, and provide
dummies of ata_sg_clean() and ata_sg_setup() for the !CONFIG_HAS_DMA
case.
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Tejun Heo <tj@kernel.org>
Commit 70e6ad0c6d ("[PATCH] libata: prepare ata_sg_clean() for
invocation from EH") made ata_sg_clean() global, but no user outside
libata-core.c has ever materialized.
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Tejun Heo <tj@kernel.org>
