There are users outside of the IOMMU code that need to call that
function. Define it for !CONFIG_IOMMU_API too so that compilation does
not break.
Reported-by: kbuild test robot <lkp@intel.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Reviewed-by: Jean-Philippe Brucker <jean-philippe@linaro.org>
Link: https://lore.kernel.org/r/20200326150841.10083-2-joro@8bytes.org
We don't currently support IOMMUs with a page granule larger than the
system page size. The IOVA allocator has a BUG_ON() in this case, and
VFIO has a WARN_ON().
Removing these obstacles ranges doesn't seem possible without major
changes to the DMA API and VFIO. Some callers of iommu_map(), for
example, want to map multiple page-aligned regions adjacent to each
others for scatter-gather purposes. Even in simple DMA API uses, a call
to dma_map_page() would let the endpoint access neighbouring memory. And
VFIO users cannot ensure that their virtual address buffer is physically
contiguous at the IOMMU granule.
Rather than triggering the IOVA BUG_ON() on mismatched page sizes, abort
the vdomain finalise() with an error message. We could simply abort the
viommu probe(), but an upcoming extension to virtio-iommu will allow
setting different page masks for each endpoint.
Reported-by: Bharat Bhushan <bbhushan2@marvell.com>
Signed-off-by: Jean-Philippe Brucker <jean-philippe@linaro.org>
Reviewed-by: Bharat Bhushan <bbhushan2@marvell.com>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Reviewed-by: Robin Murphy <robin.murphy@arm.com>
Link: https://lore.kernel.org/r/20200326093558.2641019-4-jean-philippe@linaro.org
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Calling viommu_domain_free() on a domain that hasn't been finalised (not
attached to any device, for example) can currently cause an Oops,
because we attempt to call ida_free() on ID 0, which may either be
unallocated or used by another domain.
Only initialise the vdomain->viommu pointer, which denotes a finalised
domain, at the end of a successful viommu_domain_finalise().
Fixes: edcd69ab9a ("iommu: Add virtio-iommu driver")
Reported-by: Eric Auger <eric.auger@redhat.com>
Signed-off-by: Jean-Philippe Brucker <jean-philippe@linaro.org>
Reviewed-by: Robin Murphy <robin.murphy@arm.com>
Link: https://lore.kernel.org/r/20200326093558.2641019-3-jean-philippe@linaro.org
Signed-off-by: Joerg Roedel <jroedel@suse.de>
We copied the virtio_iommu_config from the virtio-iommu specification,
which declares the fields using little-endian annotations (for example
le32). Unfortunately this causes sparse to warn about comparison between
little- and cpu-endian, because of the typecheck() in virtio_cread():
drivers/iommu/virtio-iommu.c:1024:9: sparse: sparse: incompatible types in comparison expression (different base types):
drivers/iommu/virtio-iommu.c:1024:9: sparse: restricted __le64 *
drivers/iommu/virtio-iommu.c:1024:9: sparse: unsigned long long *
drivers/iommu/virtio-iommu.c:1036:9: sparse: sparse: incompatible types in comparison expression (different base types):
drivers/iommu/virtio-iommu.c:1036:9: sparse: restricted __le64 *
drivers/iommu/virtio-iommu.c:1036:9: sparse: unsigned long long *
drivers/iommu/virtio-iommu.c:1040:9: sparse: sparse: incompatible types in comparison expression (different base types):
drivers/iommu/virtio-iommu.c:1040:9: sparse: restricted __le64 *
drivers/iommu/virtio-iommu.c:1040:9: sparse: unsigned long long *
drivers/iommu/virtio-iommu.c:1044:9: sparse: sparse: incompatible types in comparison expression (different base types):
drivers/iommu/virtio-iommu.c:1044:9: sparse: restricted __le32 *
drivers/iommu/virtio-iommu.c:1044:9: sparse: unsigned int *
drivers/iommu/virtio-iommu.c:1048:9: sparse: sparse: incompatible types in comparison expression (different base types):
drivers/iommu/virtio-iommu.c:1048:9: sparse: restricted __le32 *
drivers/iommu/virtio-iommu.c:1048:9: sparse: unsigned int *
drivers/iommu/virtio-iommu.c:1052:9: sparse: sparse: incompatible types in comparison expression (different base types):
drivers/iommu/virtio-iommu.c:1052:9: sparse: restricted __le32 *
drivers/iommu/virtio-iommu.c:1052:9: sparse: unsigned int *
Although virtio_cread() does convert virtio-endian (in our case
little-endian) to cpu-endian, the typecheck() needs the two arguments to
have the same endianness. Do as UAPI headers of other virtio devices do,
and remove the endian annotation from the device config.
Even though we change the UAPI this shouldn't cause any regression since
QEMU, the existing implementation of virtio-iommu that uses this header,
already removes the annotations when importing headers.
Reported-by: kbuild test robot <lkp@intel.com>
Signed-off-by: Jean-Philippe Brucker <jean-philippe@linaro.org>
Link: https://lore.kernel.org/r/20200326093558.2641019-2-jean-philippe@linaro.org
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Fix gcc warning when -Wextra is used by moving the keyword:
arch/x86/kernel/jump_label.c:61:1: warning: ‘inline’ is not at \
beginning of declaration [-Wold-style-declaration]
static void inline __jump_label_transform(struct jump_entry *entry,
^~~~~~
Reported-by: Zzy Wysm <zzy@zzywysm.com>
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Borislav Petkov <bp@suse.de>
Link: https://lkml.kernel.org/r/796d93d2-e73e-3447-44eb-4f89e1b636d9@infradead.org
IOASID code is needed by VT-d scalable mode for PASID allocation.
Add explicit dependency such that IOASID is built-in whenever Intel
IOMMU is enabled.
Otherwise, aux domain code will fail when IOMMU is built-in and IOASID
is compiled as a module.
Fixes: 59a623374d ("iommu/vt-d: Replace Intel specific PASID allocator with IOASID")
Signed-off-by: Jacob Pan <jacob.jun.pan@linux.intel.com>
Acked-by: Lu Baolu <baolu.lu@linux.intel.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Move canonical address check before mmget_not_zero() to avoid mm
reference leak.
Fixes: 9d8c3af316 ("iommu/vt-d: IOMMU Page Request needs to check if address is canonical.")
Signed-off-by: Jacob Pan <jacob.jun.pan@linux.intel.com>
Acked-by: Lu Baolu <baolu.lu@linux.intel.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
... in order to fix a -Wmissing-prototypes warning:
arch/x86/platform/uv/tlb_uv.c:1275:6: warning:
no previous prototype for ‘uv_bau_message_interrupt’ [-Wmissing-prototypes] \
void uv_bau_message_interrupt(struct pt_regs *regs)
Signed-off-by: Benjamin Thiel <b.thiel@posteo.de>
Signed-off-by: Borislav Petkov <bp@suse.de>
Link: https://lkml.kernel.org/r/20200327072621.2255-1-b.thiel@posteo.de
Currently drivers using drm_fbdev_generic_setup() end up with a single
empty aperture in their fb_info struct.
Not having the proper info in the apertures list causes
register_framebuffer to not remove conflicting framebuffers,
which some drivers currently workaround by manually calling
drm_fb_helper_remove_conflicting_pci_framebuffers().
Add a TODO as a reminder that we need to fix this.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20200326151009.102377-1-hdegoede@redhat.com
That list was just empty, so it can be removed if .probe_new
instead of .probe is used
Suggested-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Andreas Kemnade <andreas@kemnade.info>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Both chips have an A/D converter capable of measuring
things like VBAT, VUSB and analog inputs.
Signed-off-by: Andreas Kemnade <andreas@kemnade.info>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Add an RTC driver for the RTC device on Ricoh MFD RC5T619,
which is implemented as a variant of RN5T618.
rtc-range output:
Testing 2000-02-28 23:59:59.
OK
Testing 2038-01-19 03:14:07.
OK
Testing 2069-12-31 23:59:59.
OK
Testing 2099-12-31 23:59:59.
KO RTC_RD_TIME returned 22 (line 138)
Testing 2100-02-28 23:59:59.
KO RTC_SET_TIME returned 34 (line 122)
Testing 2106-02-07 06:28:15.
KO RTC_SET_TIME returned 34 (line 122)
Testing 2262-04-11 23:47:16.
KO RTC_SET_TIME returned 34 (line 122)
Signed-off-by: Andreas Kemnade <andreas@kemnade.info>
Acked-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Since the RC5T619 has a RTC, use a separate subdevice list for that.
The ADC should be the same as in the RN5T618, according to drivers
in the wild, but since it is not tested, the ADC is only added for
the RC5T619.
Signed-off-by: Andreas Kemnade <andreas@kemnade.info>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Defines for some RTC related registers were missing, also
they were not included in the volatile register list
Signed-off-by: Andreas Kemnade <andreas@kemnade.info>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
This adds support for IRQ handling in the RC5T619 which is required
for properly implementing subdevices like RTC.
For now only definitions for the variant RC5T619 are included.
Signed-off-by: Andreas Kemnade <andreas@kemnade.info>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
These chips use interrupts for various things like RTC alarm.
Signed-off-by: Andreas Kemnade <andreas@kemnade.info>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
A proper way to handle O_NONBLOCK would be making the requests and
responses happen asynchronously, but this would require serious code
refactoring.
Link: http://lkml.kernel.org/r/20200205003457.24340-2-l29ah@cock.li
Signed-off-by: Sergey Alirzaev <l29ah@cock.li>
Signed-off-by: Dominique Martinet <dominique.martinet@cea.fr>
A user doesn't necessarily want to wait for all the requested data to
be available, since the waiting time for each request is unbounded.
The new method permits sending one read request at a time and getting
the response ASAP, allowing to use 9pnet with synthetic file systems
representing arbitrary data streams.
Link: http://lkml.kernel.org/r/20200205204053.12751-1-l29ah@cock.li
Signed-off-by: Sergey Alirzaev <l29ah@cock.li>
Signed-off-by: Dominique Martinet <dominique.martinet@cea.fr>
Adjust indentation from spaces to tab (+optional two spaces) as in
coding style with command like:
$ sed -e 's/^ /\t/' -i */Kconfig
Link: http://lkml.kernel.org/r/20191120134340.16770-1-krzk@kernel.org
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Dominique Martinet <dominique.martinet@cea.fr>
Set up qdio_irq->cdev right when the qdio_irq struct is allocated, so
that all subsequent code can rely on this pointer.
Then convert two helper functions to not pass a cdev parameter around.
Signed-off-by: Julian Wiedmann <jwi@linux.ibm.com>
Reviewed-by: Benjamin Block <bblock@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
As s390 no longer supports ARCH_HIBERNATION_POSSIBLE, drop the unused
pm ops from the ccwgroup bus driver.
Signed-off-by: Julian Wiedmann <jwi@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
The s390 power management support has been removed. So the
api registration and the suspend and resume callbacks and
all the code related to this for the ap bus and the ap drivers
is removed with this patch.
Signed-off-by: Harald Freudenberger <freude@linux.ibm.com>
Reviewed-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
Tests showed that it may happen that a 256k kmalloc may fail
due to a temporary shortage on 256k slab entries.
The find functions for cca and ep11 use a 256k array to fetch the
states of all possible crypto cards and their domains in one
piece. With the patch now kvmalloc is used to allocate this
temporary memory as there is no need to have this memory area
physical continuously.
Signed-off-by: Harald Freudenberger <freude@linux.ibm.com>
Reviewed-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
Factor out check_asce_limit() function and fix few style
defects in arch_get_unmapped_area() family of functions.
Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com>
Reviewed-by: Heiko Carstens <heiko.carstens@de.ibm.com>
[heiko.carstens@de.ibm.com: small coding style changes]
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
As s390 no longer supports ARCH_HIBERNATION_POSSIBLE, drop the unused
pm ops from the ism driver.
Signed-off-by: Ursula Braun <ubraun@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
Use DIV_ROUND_UP macro instead of specific code with the same purpose.
Also, remove the unused variables.
Signed-off-by: Oscar Carter <oscar.carter@gmx.com>
Reviewed-by: Quentin Deslandes <quentin.deslandes@itdev.co.uk>
Link: https://lore.kernel.org/r/20200326175902.14467-1-oscar.carter@gmx.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
It's old, obsolete, and no one wants to take care of it anymore.
It's been in staging for 5 months with no one paying attention to it, so
let's just delete it for now.
If someone has this hardware, and wants the driver back, the deletion
can be easily reverted.
Cc: Joe Perches <joe@perches.com>
Cc: Jaroslav Kysela <perex@perex.cz>
Link: https://lore.kernel.org/r/20200326080233.978323-1-gregkh@linuxfoundation.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The system in question uses ALC285, and it uses GPIO 0x04 to control its
mute LED.
The mic mute LED can be controlled by GPIO 0x01, however the system uses
DMIC so we should use that to control mic mute LED.
Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com>
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20200327044626.29582-1-kai.heng.feng@canonical.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This patch adds support for the Azoteq IQS624 and IQS625 angular position
sensors, capable of reporting the angle of a rotating shaft down to 1 and
10 degrees of accuracy, respectively.
This patch also introduces a home for linear and angular position sensors.
Unlike resolvers, they are typically contactless and use the Hall effect.
Signed-off-by: Jeff LaBundy <jeff@labundy.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
This patch adds support for the Azoteq IQS621 and IQS622 ambient light
sensors, both of which can report a four-bit representation of ambient
light intensity.
The IQS621 can additionally report illuminace directly in units of lux,
while the IQS622 can report a four-bit representation of infrared light
intensity. Furthermore, the IQS622 can report a unitless measurement of
a target's proximity to the device.
Signed-off-by: Jeff LaBundy <jeff@labundy.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
This patch adds support for the Azoteq IQS620AT temperature sensor,
capable of reporting its absolute die temperature.
Signed-off-by: Jeff LaBundy <jeff@labundy.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
This patch adds key and switch support for the Azoteq IQS620A,
IQS621, IQS622, IQS624 and IQS625 multi-function sensors.
Signed-off-by: Jeff LaBundy <jeff@labundy.com>
Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
This patch adds core support for the Azoteq IQS620A, IQS621, IQS622,
IQS624 and IQS625 multi-function sensors.
Signed-off-by: Jeff LaBundy <jeff@labundy.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
This patch adds device tree bindings for the Azoteq IQS620A, IQS621,
IQS622, IQS624 and IQS625 multi-function sensors.
A total of three bindings are presented (one MFD and two child nodes);
they are submitted as a single patch because the child node bindings
have no meaning in the absence of the MFD binding.
Signed-off-by: Jeff LaBundy <jeff@labundy.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Don't confuse user with meaningless warning about failure in getting
regulators in case of deferred probe.
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200226101307.16708-1-m.szyprowski@samsung.com
Add llu suffix and cast operator to fix the klocwork warning about
"Operands in a bitwise operation have different size"
Signed-off-by: Tina Zhang <tina.zhang@intel.com>
Acked-by: Zhenyu Wang <zhenyuw@linux.intel.com>
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20200324123021.15831-1-tina.zhang@intel.com
* Refactoring of the device selection algorithms continues;
* Improvement in the initialization fo SoC-based devices;
* Support for FW scan API;
* Some additions to our FW debuggging capabilities;
* More refactoring of the device selection algorithms;
* Support new FW API version;
* Support for EDCA measurements;
* New scan API features;
* Enable new debugging code;
* Some other small fixes and clean-ups;
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Merge tag 'iwlwifi-next-for-kalle-2020-03-27' of git://git.kernel.org/pub/scm/linux/kernel/git/iwlwifi/iwlwifi-next
Second set of iwlwifi patches intended for v5.7
* Refactoring of the device selection algorithms continues;
* Improvement in the initialization fo SoC-based devices;
* Support for FW scan API;
* Some additions to our FW debuggging capabilities;
* More refactoring of the device selection algorithms;
* Support new FW API version;
* Support for EDCA measurements;
* New scan API features;
* Enable new debugging code;
* Some other small fixes and clean-ups;
Analogix_dp driver acquires all its resources in the ->bind() callback,
what is a bit against the component driver based approach, where the
driver initialization is split into a probe(), where all resources are
gathered, and a bind(), where all objects are created and a compound
driver is initialized.
Extract all the resource related operations to analogix_dp_probe() and
analogix_dp_remove(), then call them before/after registration of the
device components from the main Exynos DP and Rockchip DP drivers. Also
move the plat_data initialization to the probe() to make it available for
the analogix_dp_probe() function.
This fixes the multiple calls to the bind() of the DRM compound driver
when the DP PHY driver is not yet loaded/probed:
[drm] Exynos DRM: using 14400000.fimd device for DMA mapping operations
exynos-drm exynos-drm: bound 14400000.fimd (ops fimd_component_ops [exynosdrm])
exynos-drm exynos-drm: bound 14450000.mixer (ops mixer_component_ops [exynosdrm])
exynos-dp 145b0000.dp-controller: no DP phy configured
exynos-drm exynos-drm: failed to bind 145b0000.dp-controller (ops exynos_dp_ops [exynosdrm]): -517
exynos-drm exynos-drm: master bind failed: -517
...
[drm] Exynos DRM: using 14400000.fimd device for DMA mapping operations
exynos-drm exynos-drm: bound 14400000.fimd (ops hdmi_enable [exynosdrm])
exynos-drm exynos-drm: bound 14450000.mixer (ops hdmi_enable [exynosdrm])
exynos-drm exynos-drm: bound 145b0000.dp-controller (ops hdmi_enable [exynosdrm])
exynos-drm exynos-drm: bound 14530000.hdmi (ops hdmi_enable [exynosdrm])
[drm] Supports vblank timestamp caching Rev 2 (21.10.2013).
Console: switching to colour frame buffer device 170x48
exynos-drm exynos-drm: fb0: exynosdrmfb frame buffer device
[drm] Initialized exynos 1.1.0 20180330 for exynos-drm on minor 1
...
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Acked-by: Andy Yan <andy.yan@rock-chips.com>
Reviewed-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200310103427.26048-1-m.szyprowski@samsung.com
As per ISA an isync is only needed on instruction cache block
invalidate. Remove the same from dcache invalidate.
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20200320103242.229223-1-aneesh.kumar@linux.ibm.com
Some of the places using this want the newline, but not all,
so remove the newline from it and generate it in the debugfs
files where it's desired.
The effect of this is not printing double newlines in debug
log messages.
Change-Id: Ia59b0abbef16b6783fcabc095c5fde16bd047a26
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
There's no need for this to be exposed outside of the tx.c
file, make it static.
Change-Id: I41d40008311b108d0578bd2ec73c5477e700a839
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Start supporting API version 53 for 22000 series.
Change-Id: I5725e46394f3f53c3069723fd513cc53c7df383d
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
This is used to initialize the default value, but refers back
to the value itself, essentially leading to a
val = val
assignment at init time ... that's useless, remove it and use
_NODEF.
Change-Id: I725923016563c34ce2fa057bf7c12984e1041c49
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Now that YoYo is more mature, we can enable it by default, so we
collect data in the new way.
Change-Id: Ic1a147f935286b085ca8bdb248a7493b7c6341ea
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
