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git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi
Pull spi fixes from Mark Brown:
"There's some device specific fixes here but also an unusually large
number of fixes for the core, including both fixes for breakage
introduced on ACPI systems while fixing the long standing confusion
about the polarity of GPIO chip selects specified through DT, and
fixes for ordering issues on unregistration which have been exposed
through the wider usage of devm_."
* tag 'spi-fix-v5.13-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi:
spi: sc18is602: implement .max_{transfer,message}_size() for the controller
spi: sc18is602: don't consider the chip select byte in sc18is602_check_transfer
MAINTAINERS: Add Alain Volmat as STM32 SPI maintainer
dt-bindings: spi: spi-mux: rename flash node
spi: Don't have controller clean up spi device before driver unbind
spi: Assume GPIO CS active high in ACPI case
spi: sprd: Add missing MODULE_DEVICE_TABLE
spi: Switch to signed types for *_native_cs SPI controller fields
spi: take the SPI IO-mutex in the spi_set_cs_timing method
spi: spi-fsl-dspi: Fix a resource leak in an error handling path
spi: spi-zynq-qspi: Fix stack violation bug
spi: spi-zynq-qspi: Fix kernel-doc warning
spi: altera: Make SPI_ALTERA_CORE invisible
spi: Fix spi device unregister flow
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Allow SPI peripherals attached to this controller to know what is the
maximum transfer size and message size, so they can limit their transfer
lengths properly in case they are otherwise capable of larger transfer
sizes. For the sc18is602, this is 200 bytes in both cases, since as far
as I understand, it isn't possible to tell the controller to keep the
chip select asserted after the STOP command is sent.
The controller can support SPI messages larger than 200 bytes if
cs_change is set for individual transfers such that the portions with
chip select asserted are never longer than 200 bytes. What is not
supported is just SPI messages with a continuous chip select larger than
200. I don't think it is possible to express this using the current API,
so drivers which do send SPI messages with cs_change can safely just
look at the max_transfer_size limit.
An example of user for this is sja1105_xfer() in
drivers/net/dsa/sja1105/sja1105_spi.c which sends by default 64 * 4 =
256 byte transfers.
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Link: https://lore.kernel.org/r/20210520131238.2903024-3-olteanv@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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For each spi_message, the sc18is602 I2C-to-SPI bridge driver checks the
length of each spi_transfer against 200 (the size of the chip's internal
buffer) minus hw->tlen (the number of bytes transferred so far).
The first byte of the transferred data is the Function ID (the SPI
slave's chip select) and as per the documentation of the chip:
https://www.nxp.com/docs/en/data-sheet/SC18IS602B.pdf
the data buffer is up to 200 bytes deep _without_ accounting for the
Function ID byte.
However, in sc18is602_txrx(), the driver keeps the Function ID as part
of the buffer, and increments hw->tlen from 0 to 1. Combined with the
check in sc18is602_check_transfer, this prevents us from issuing a
transfer that has exactly 200 bytes in size, but only 199.
Adjust the check function to reflect that the Function ID is not part of
the 200 byte deep data buffer.
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Link: https://lore.kernel.org/r/20210520131238.2903024-2-olteanv@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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Linux 5.13-rc2
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When a spi device is unregistered and triggers a driver unbind, the
driver might need to access the spi device. So, don't have the
controller clean up the spi device before the driver is unbound. Clean
up the spi device after the driver is unbound.
Fixes: c7299fea6769 ("spi: Fix spi device unregister flow")
Reported-by: Lukas Wunner <lukas@wunner.de>
Signed-off-by: Saravana Kannan <saravanak@google.com>
Tested-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Link: https://lore.kernel.org/r/20210505164734.175546-1-saravanak@google.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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Currently GPIO CS handling, when descriptors are in use, doesn't
take into consideration that in ACPI case the default polarity
is Active High and can't be altered. Instead we have to use the
per-chip definition provided by SPISerialBus() resource.
Fixes: 766c6b63aa04 ("spi: fix client driver breakages when using GPIO descriptors")
Cc: Liguang Zhang <zhangliguang@linux.alibaba.com>
Cc: Jay Fang <f.fangjian@huawei.com>
Cc: Sven Van Asbroeck <thesven73@gmail.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Tested-by: Xin Hao <xhao@linux.alibaba.com>
Link: https://lore.kernel.org/r/20210511140912.30757-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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MODULE_DEVICE_TABLE is used to extract the device information out of the
driver and builds a table when being compiled. If using this macro,
kernel can find the driver if available when the device is plugged in,
and then loads that driver and initializes the device.
Signed-off-by: Chunyan Zhang <chunyan.zhang@unisoc.com>
Link: https://lore.kernel.org/r/20210512093534.243040-1-zhang.lyra@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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this patch takes the io_mutex to prevent an unprotected HW
register modification in the set_cs_timing callback.
Fixes: 4cea6b8cc34e ("spi: add power control when set_cs_timing")
Signed-off-by: Leilk Liu <leilk.liu@mediatek.com>
Link: https://lore.kernel.org/r/20210508060214.1485-1-leilk.liu@mediatek.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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'dspi_request_dma()' should be undone by a 'dspi_release_dma()' call in the
error handling path of the probe function, as already done in the remove
function
Fixes: 90ba37033cb9 ("spi: spi-fsl-dspi: Add DMA support for Vybrid")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Reviewed-by: Vladimir Oltean <olteanv@gmail.com>
Link: https://lore.kernel.org/r/d51caaac747277a1099ba8dea07acd85435b857e.1620587472.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Mark Brown <broonie@kernel.org>
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When the number of bytes for the op is greater than one, the read could
run off the end of the function stack and cause a crash.
This patch restores the behaviour of safely reading out of the original
opcode location.
Signed-off-by: Karen Dombroski <karen.dombroski@marsbioimaging.com>
Signed-off-by: Amit Kumar Mahapatra <amit.kumar-mahapatra@xilinx.com>
Link: https://lore.kernel.org/r/20210429053802.17650-3-amit.kumar-mahapatra@xilinx.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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Fix kernel-doc warning.
Signed-off-by: Amit Kumar Mahapatra <amit.kumar-mahapatra@xilinx.com>
Link: https://lore.kernel.org/r/20210429053802.17650-2-amit.kumar-mahapatra@xilinx.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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The SPI_ALTERA_CORE config symbol controls compilation of the Altera SPI
Controller core code. It is already selected by all of its users, so
there is no reason to make it visible, unless compile-testing.
Fixes: b0c3d9354de1f87e ("spi: altera: separate core code from platform code")
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/f0cb8e66baba4506db6f42fca74dc51b76883507.1619534253.git.geert+renesas@glider.be
Signed-off-by: Mark Brown <broonie@kernel.org>
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When an SPI device is unregistered, the spi->controller->cleanup() is
called in the device's release callback. That's wrong for a couple of
reasons:
1. spi_dev_put() can be called before spi_add_device() is called. And
it's spi_add_device() that calls spi_setup(). This will cause clean()
to get called without the spi device ever being setup.
2. There's no guarantee that the controller's driver would be present by
the time the spi device's release function gets called.
3. It also causes "sleeping in atomic context" stack dump[1] when device
link deletion code does a put_device() on the spi device.
Fix these issues by simply moving the cleanup from the device release
callback to the actual spi_unregister_device() function.
[1] - https://lore.kernel.org/lkml/CAHp75Vc=FCGcUyS0v6fnxme2YJ+qD+Y-hQDQLa2JhWNON9VmsQ@mail.gmail.com/
Signed-off-by: Saravana Kannan <saravanak@google.com>
Link: https://lore.kernel.org/r/20210426235638.1285530-1-saravanak@google.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull irq fixes from Thomas Gleixner:
"A few fixes for irqchip drivers:
- Allocate interrupt descriptors correctly on Mainstone PXA when
SPARSE_IRQ is enabled; otherwise the interrupt association fails
- Make the APPLE AIC chip driver depend on APPLE
- Remove redundant error output on devm_ioremap_resource() failure"
* tag 'irq-urgent-2021-05-23' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
irqchip: Remove redundant error printing
irqchip/apple-aic: APPLE_AIC should depend on ARCH_APPLE
ARM: PXA: Fix cplds irqdesc allocation when using legacy mode
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git://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms into irq/urgent
Pull irqchip fixes from Marc Zyngier:
- Fix PXA Mainstone CPLD irq allocation in legacy mode
- Restrict the Apple AIC controller to the Apple platform
- Remove a few supperfluous messages on devm_ioremap_resource() failure
Link: https://lore.kernel.org/r/20210516122217.13234-1-maz@kernel.org
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When devm_ioremap_resource() fails, a clear enough error message will be
printed by its subfunction __devm_ioremap_resource(). The error
information contains the device name, failure cause, and possibly resource
information.
Therefore, remove the error printing here to simplify code and reduce the
binary size.
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Zhen Lei <thunder.leizhen@huawei.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20210511125428.6108-2-thunder.leizhen@huawei.com
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The Apple Interrupt Controller is only present on Apple Silicon SoCs.
Hence add a dependency on ARCH_APPLE, to prevent asking the user about
this driver when configuring a kernel without Apple Silicon SoC support.
Drop the default, as ARCH_APPLE already selects APPLE_AIC.
Fixes: 76cde26394114f6a ("irqchip/apple-aic: Add support for the Apple Interrupt Controller")
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Hector Martin <marcan@marcan.st>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/f37e8daea37d50651d2164b0b3dad90780188548.1618316398.git.geert+renesas@glider.be
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Pull block fixes from Jens Axboe:
- Fix BLKRRPART and deletion race (Gulam, Christoph)
- NVMe pull request (Christoph):
- nvme-tcp corruption and timeout fixes (Sagi Grimberg, Keith
Busch)
- nvme-fc teardown fix (James Smart)
- nvmet/nvme-loop memory leak fixes (Wu Bo)"
* tag 'block-5.13-2021-05-22' of git://git.kernel.dk/linux-block:
block: fix a race between del_gendisk and BLKRRPART
block: prevent block device lookups at the beginning of del_gendisk
nvme-fc: clear q_live at beginning of association teardown
nvme-tcp: rerun io_work if req_list is not empty
nvme-tcp: fix possible use-after-completion
nvme-loop: fix memory leak in nvme_loop_create_ctrl()
nvmet: fix memory leak in nvmet_alloc_ctrl()
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The __nvmf_check_ready() routine used to bounce all filesystem io if the
controller state isn't LIVE. However, a later patch changed the logic so
that it rejection ends up being based on the Q live check. The FC
transport has a slightly different sequence from rdma and tcp for
shutting down queues/marking them non-live. FC marks its queue non-live
after aborting all ios and waiting for their termination, leaving a
rather large window for filesystem io to continue to hit the transport.
Unfortunately this resulted in filesystem I/O or applications seeing I/O
errors.
Change the FC transport to mark the queues non-live at the first sign of
teardown for the association (when I/O is initially terminated).
Fixes: 73a5379937ec ("nvme-fabrics: allow to queue requests for live queues")
Signed-off-by: James Smart <jsmart2021@gmail.com>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Christoph Hellwig <hch@lst.de>
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A possible race condition exists where the request to send data is
enqueued from nvme_tcp_handle_r2t()'s will not be observed by
nvme_tcp_send_all() if it happens to be running. The driver relies on
io_work to send the enqueued request when it is runs again, but the
concurrently running nvme_tcp_send_all() may not have released the
send_mutex at that time. If no future commands are enqueued to re-kick
the io_work, the request will timeout in the SEND_H2C state, resulting
in a timeout error like:
nvme nvme0: queue 1: timeout request 0x3 type 6
Ensure the io_work continues to run as long as the req_list is not empty.
Fixes: db5ad6b7f8cdd ("nvme-tcp: try to send request in queue_rq context")
Signed-off-by: Keith Busch <kbusch@kernel.org>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Christoph Hellwig <hch@lst.de>
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Commit db5ad6b7f8cd ("nvme-tcp: try to send request in queue_rq
context") added a second context that may perform a network send.
This means that now RX and TX are not serialized in nvme_tcp_io_work
and can run concurrently.
While there is correct mutual exclusion in the TX path (where
the send_mutex protect the queue socket send activity) RX activity,
and more specifically request completion may run concurrently.
This means we must guarantee that any mutation of the request state
related to its lifetime, bytes sent must not be accessed when a completion
may have possibly arrived back (and processed).
The race may trigger when a request completion arrives, processed
_and_ reused as a fresh new request, exactly in the (relatively short)
window between the last data payload sent and before the request iov_iter
is advanced.
Consider the following race:
1. 16K write request is queued
2. The nvme command and the data is sent to the controller (in-capsule
or solicited by r2t)
3. After the last payload is sent but before the req.iter is advanced,
the controller sends back a completion.
4. The completion is processed, the request is completed, and reused
to transfer a new request (write or read)
5. The new request is queued, and the driver reset the request parameters
(nvme_tcp_setup_cmd_pdu).
6. Now context in (2) resumes execution and advances the req.iter
==> use-after-completion as this is already a new request.
Fix this by making sure the request is not advanced after the last
data payload send, knowing that a completion may have arrived already.
An alternative solution would have been to delay the request completion
or state change waiting for reference counting on the TX path, but besides
adding atomic operations to the hot-path, it may present challenges in
multi-stage R2T scenarios where a r2t handler needs to be deferred to
an async execution.
Reported-by: Narayan Ayalasomayajula <narayan.ayalasomayajula@wdc.com>
Tested-by: Anil Mishra <anil.mishra@wdc.com>
Reviewed-by: Keith Busch <kbusch@kernel.org>
Cc: stable@vger.kernel.org # v5.8+
Signed-off-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Christoph Hellwig <hch@lst.de>
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When creating loop ctrl in nvme_loop_create_ctrl(), if nvme_init_ctrl()
fails, the loop ctrl should be freed before jumping to the "out" label.
Fixes: 3a85a5de29ea ("nvme-loop: add a NVMe loopback host driver")
Signed-off-by: Wu Bo <wubo40@huawei.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
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When creating ctrl in nvmet_alloc_ctrl(), if the cntlid_min is larger
than cntlid_max of the subsystem, and jumps to the
"out_free_changed_ns_list" label, but the ctrl->sqs lack of be freed.
Fix this by jumping to the "out_free_sqs" label.
Fixes: 94a39d61f80f ("nvmet: make ctrl-id configurable")
Signed-off-by: Wu Bo <wubo40@huawei.com>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Reviewed-by: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip
Pull xen fixes from Juergen Gross:
- a fix for a boot regression when running as PV guest on hardware
without NX support
- a small series fixing a bug in the Xen pciback driver when
configuring a PCI card with multiple virtual functions
* tag 'for-linus-5.13b-rc3-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
xen-pciback: reconfigure also from backend watch handler
xen-pciback: redo VF placement in the virtual topology
x86/Xen: swap NX determination and GDT setup on BSP
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When multiple PCI devices get assigned to a guest right at boot, libxl
incrementally populates the backend tree. The writes for the first of
the devices trigger the backend watch. In turn xen_pcibk_setup_backend()
will set the XenBus state to Initialised, at which point no further
reconfigures would happen unless a device got hotplugged. Arrange for
reconfigure to also get triggered from the backend watch handler.
Signed-off-by: Jan Beulich <jbeulich@suse.com>
Cc: stable@vger.kernel.org
Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Link: https://lore.kernel.org/r/2337cbd6-94b9-4187-9862-c03ea12e0c61@suse.com
Signed-off-by: Juergen Gross <jgross@suse.com>
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The commit referenced below was incomplete: It merely affected what
would get written to the vdev-<N> xenstore node. The guest would still
find the function at the original function number as long as
__xen_pcibk_get_pci_dev() wouldn't be in sync. The same goes for AER wrt
__xen_pcibk_get_pcifront_dev().
Undo overriding the function to zero and instead make sure that VFs at
function zero remain alone in their slot. This has the added benefit of
improving overall capacity, considering that there's only a total of 32
slots available right now (PCI segment and bus can both only ever be
zero at present).
Fixes: 8a5248fe10b1 ("xen PV passthru: assign SR-IOV virtual functions to separate virtual slots")
Signed-off-by: Jan Beulich <jbeulich@suse.com>
Cc: stable@vger.kernel.org
Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Link: https://lore.kernel.org/r/8def783b-404c-3452-196d-3f3fd4d72c9e@suse.com
Signed-off-by: Juergen Gross <jgross@suse.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux
Pull gpio fixes from Bartosz Golaszewski:
- add missing MODULE_DEVICE_TABLE in gpio-cadence
- fix a kernel doc validator error in gpio-xilinx
- don't set parent IRQ affinity in gpio-tegra186
* tag 'gpio-fixes-for-v5.13-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux:
gpio: tegra186: Don't set parent IRQ affinity
gpio: xilinx: Correct kernel doc for xgpio_probe()
gpio: cadence: Add missing MODULE_DEVICE_TABLE
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When hotplugging CPUs on Tegra186 and Tegra194 errors such as the
following are seen ...
IRQ63: set affinity failed(-22).
IRQ65: set affinity failed(-22).
IRQ66: set affinity failed(-22).
IRQ67: set affinity failed(-22).
Looking at the /proc/interrupts the above are all interrupts associated
with GPIOs. The reason why these error messages occur is because there
is no 'parent_data' associated with any of the GPIO interrupts and so
tegra186_irq_set_affinity() simply returns -EINVAL.
To understand why there is no 'parent_data' it is first necessary to
understand that in addition to the GPIO interrupts being routed to the
interrupt controller (GIC), the interrupts for some GPIOs are also
routed to the Tegra Power Management Controller (PMC) to wake up the
system from low power states. In order to configure GPIO events as
wake events in the PMC, the PMC is configured as IRQ parent domain
for the GPIO IRQ domain. Originally the GIC was the IRQ parent domain
of the PMC and although this was working, this started causing issues
once commit 64a267e9a41c ("irqchip/gic: Configure SGIs as standard
interrupts") was added, because technically, the GIC is not a parent
of the PMC. Commit c351ab7bf2a5 ("soc/tegra: pmc: Don't create fake
interrupt hierarchy levels") fixed this by severing the IRQ domain
hierarchy for the Tegra GPIOs and hence, there may be no IRQ parent
domain for the GPIOs.
The GPIO controllers on Tegra186 and Tegra194 have either one or six
interrupt lines to the interrupt controller. For GPIO controllers with
six interrupts, the mapping of the GPIO interrupt to the controller
interrupt is configurable within the GPIO controller. Currently a
default mapping is used, however, it could be possible to use the
set affinity callback for the Tegra186 GPIO driver to do something a
bit more interesting. Currently, because interrupts for all GPIOs are
have the same mapping and any attempts to configure the affinity for
a given GPIO can conflict with another that shares the same IRQ, for
now it is simpler to just remove set affinity support and this avoids
the above warnings being seen.
Cc: <stable@vger.kernel.org>
Fixes: c4e1f7d92cd6 ("gpio: tegra186: Set affinity callback to parent")
Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
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Kernel doc validator complains:
.../gpio-xilinx.c:556: warning: expecting prototype for xgpio_of_probe(). Prototype was for xgpio_probe() instead
Correct as suggested by changing the name of the function in the doc..
Fixes: 749564ffd52d ("gpio/xilinx: Convert the driver to platform device interface")
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Tested-by: Neeli Srinivas <sneeli@xilinx.com>
Reviewed-by: Michal Simek <michal.simek@xilinx.com>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
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This patch adds missing MODULE_DEVICE_TABLE definition which generates
correct modalias for automatic loading of this driver when it is built
as an external module.
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Zou Wei <zou_wei@huawei.com>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc
Pull MMC host fixes from Ulf Hansson:
- Fix SD-card detection on Intel NUC10i3FNK4 (GL9755)
- Replace WARN_ONCE with dev_warn_once for scatterlist offsets
- Extend check of scatterlist size alignment with SD_IO_RW_EXTENDED
* tag 'mmc-v5.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc:
mmc: sdhci-pci-gli: increase 1.8V regulator wait
mmc: meson-gx: also check SD_IO_RW_EXTENDED for scatterlist size alignment
mmc: meson-gx: make replace WARN_ONCE with dev_warn_once about scatterlist offset alignment
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Inserting an SD-card on an Intel NUC10i3FNK4 (which contains a GL9755)
results in the message:
mmc0: 1.8V regulator output did not become stable
Following this message, some cards work (sometimes), but most cards fail
with EILSEQ. This behaviour is observed on Debian 10 running kernel
4.19.188, but also with 5.8.18 and 5.11.15.
The driver currently waits 5ms after switching on the 1.8V regulator for
it to become stable. Increasing this to 10ms gets rid of the warning
about stability, but most cards still fail. Increasing it to 20ms gets
some cards working (a 32GB Samsung micro SD works, a 128GB ADATA
doesn't). At 50ms, the ADATA works most of the time, and at 100ms both
cards work reliably.
Signed-off-by: Daniel Beer <dlbeer@gmail.com>
Acked-by: Ben Chuang <benchuanggli@gmail.com>
Fixes: e51df6ce668a ("mmc: host: sdhci-pci: Add Genesys Logic GL975x support")
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20210424081652.GA16047@nyquist.nev
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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The brcmfmac driver can generate a scatterlist from a skb with each packets
not aligned to the block size. This is not supported by the Amlogic Descriptor
dma engine where each descriptor must match a multiple of the block size.
The sg list is valid, since the sum of the sg buffers is a multiple of the
block size, but we must discard those when in SD_IO_RW_EXTENDED mode since
SDIO block mode can be used under the hood even with data->blocks == 1.
Those transfers are very rare, thus can be replaced by a bounce buffer
without real performance loss.
Fixes: 7412dee9f1fd ("mmc: meson-gx: replace WARN_ONCE with dev_warn_once about scatterlist size alignment in block mode")
Cc: stable@vger.kernel.org
Reported-by: Christian Hewitt <christianshewitt@gmail.com>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Link: https://lore.kernel.org/r/20210426175559.3110575-2-narmstrong@baylibre.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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offset alignment
Some drivers like ath10k can sometimg give an sg buffer with an offset whose alignment
is not compatible with the Amlogic DMA descriptor engine requirements.
Simply replace with dev_warn_once() to inform user this should be fixed to avoid
degraded performance.
This should be ultimately fixed in ath10k, but since it's only a performance issue
the warning should be removed.
Fixes: 79ed05e329c3 ("mmc: meson-gx: add support for descriptor chain mode")
Cc: stable@vger.kernel.org
Reported-by: Christian Hewitt <christianshewitt@gmail.com>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Acked-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Link: https://lore.kernel.org/r/20210426175559.3110575-1-narmstrong@baylibre.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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Pull drm fixes from Dave Airlie:
"Usual collection, mostly amdgpu and some i915 regression fixes. I
nearly managed to hose my build/sign machine this week, but I
recovered it just in time, and I even got clang12 built.
dma-buf:
- WARN fix
amdgpu:
- Fix downscaling ratio on DCN3.x
- Fix for non-4K pages
- PCO/RV compute hang fix
- Dongle fix
- Aldebaran codec query support
- Refcount leak fix
- Use after free fix
- Navi12 golden settings updates
- GPU reset fixes
radeon:
- Fix for imported BO handling
i915:
- Pin the L-shape quirked object as unshrinkable to fix crashes
- Disable HiZ Raw Stall Optimization on broken gen7 to fix glitches,
gfx corruption
- GVT: Move mdev attribute groups into kvmgt module to fix kconfig
deps issue
exynos:
- Correct kerneldoc of fimd_shadow_protect_win function
- Drop redundant error messages"
* tag 'drm-fixes-2021-05-21-1' of git://anongit.freedesktop.org/drm/drm:
dma-buf: fix unintended pin/unpin warnings
drm/amdgpu: stop touching sched.ready in the backend
drm/amd/amdgpu: fix a potential deadlock in gpu reset
drm/amdgpu: update sdma golden setting for Navi12
drm/amdgpu: update gc golden setting for Navi12
drm/amdgpu: Fix a use-after-free
drm/amdgpu: add video_codecs query support for aldebaran
drm/amd/amdgpu: fix refcount leak
drm/amd/display: Disconnect non-DP with no EDID
drm/amdgpu: disable 3DCGCG on picasso/raven1 to avoid compute hang
drm/amdgpu: Fix GPU TLB update error when PAGE_SIZE > AMDGPU_PAGE_SIZE
drm/radeon: use the dummy page for GART if needed
drm/amd/display: Use the correct max downscaling value for DCN3.x family
drm/i915/gt: Disable HiZ Raw Stall Optimization on broken gen7
drm/i915/gem: Pin the L-shape quirked object as unshrinkable
drm/exynos/decon5433: Remove redundant error printing in exynos5433_decon_probe()
drm/exynos: Remove redundant error printing in exynos_dsi_probe()
drm/exynos: correct exynos_drm_fimd kerneldoc
drm/i915/gvt: Move mdev attribute groups into kvmgt module
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https://gitlab.freedesktop.org/agd5f/linux into drm-fixes
amd-drm-fixes-5.13-2021-05-19:
amdgpu:
- Fix downscaling ratio on DCN3.x
- Fix for non-4K pages
- PCO/RV compute hang fix
- Dongle fix
- Aldebaran codec query support
- Refcount leak fix
- Use after free fix
- Navi12 golden settings updates
- GPU reset fixes
radeon:
- Fix for imported BO handling
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Alex Deucher <alexander.deucher@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210520022500.4023-1-alexander.deucher@amd.com
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This unfortunately comes up in regular intervals and breaks
GPU reset for the engine in question.
The sched.ready flag controls if an engine can't get working
during hw_init, but should never be set to false during hw_fini.
v2: squash in unused variable fix (Alex)
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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When amdgpu_ib_ring_tests failed, the reset logic called
amdgpu_device_ip_suspend twice, then deadlock occurred.
Deadlock log:
[ 805.655192] amdgpu 0000:04:00.0: amdgpu: ib ring test failed (-110).
[ 806.290952] [drm] free PSP TMR buffer
[ 806.319406] ============================================
[ 806.320315] WARNING: possible recursive locking detected
[ 806.321225] 5.11.0-custom #1 Tainted: G W OEL
[ 806.322135] --------------------------------------------
[ 806.323043] cat/2593 is trying to acquire lock:
[ 806.323825] ffff888136b1cdc8 (&adev->dm.dc_lock){+.+.}-{3:3}, at: dm_suspend+0xb8/0x1d0 [amdgpu]
[ 806.325668]
but task is already holding lock:
[ 806.326664] ffff888136b1cdc8 (&adev->dm.dc_lock){+.+.}-{3:3}, at: dm_suspend+0xb8/0x1d0 [amdgpu]
[ 806.328430]
other info that might help us debug this:
[ 806.329539] Possible unsafe locking scenario:
[ 806.330549] CPU0
[ 806.330983] ----
[ 806.331416] lock(&adev->dm.dc_lock);
[ 806.332086] lock(&adev->dm.dc_lock);
[ 806.332738]
*** DEADLOCK ***
[ 806.333747] May be due to missing lock nesting notation
[ 806.334899] 3 locks held by cat/2593:
[ 806.335537] #0: ffff888100d3f1b8 (&attr->mutex){+.+.}-{3:3}, at: simple_attr_read+0x4e/0x110
[ 806.337009] #1: ffff888136b1fd78 (&adev->reset_sem){++++}-{3:3}, at: amdgpu_device_lock_adev+0x42/0x94 [amdgpu]
[ 806.339018] #2: ffff888136b1cdc8 (&adev->dm.dc_lock){+.+.}-{3:3}, at: dm_suspend+0xb8/0x1d0 [amdgpu]
[ 806.340869]
stack backtrace:
[ 806.341621] CPU: 6 PID: 2593 Comm: cat Tainted: G W OEL 5.11.0-custom #1
[ 806.342921] Hardware name: AMD Celadon-CZN/Celadon-CZN, BIOS WLD0C23N_Weekly_20_12_2 12/23/2020
[ 806.344413] Call Trace:
[ 806.344849] dump_stack+0x93/0xbd
[ 806.345435] __lock_acquire.cold+0x18a/0x2cf
[ 806.346179] lock_acquire+0xca/0x390
[ 806.346807] ? dm_suspend+0xb8/0x1d0 [amdgpu]
[ 806.347813] __mutex_lock+0x9b/0x930
[ 806.348454] ? dm_suspend+0xb8/0x1d0 [amdgpu]
[ 806.349434] ? amdgpu_device_indirect_rreg+0x58/0x70 [amdgpu]
[ 806.350581] ? _raw_spin_unlock_irqrestore+0x47/0x50
[ 806.351437] ? dm_suspend+0xb8/0x1d0 [amdgpu]
[ 806.352437] ? rcu_read_lock_sched_held+0x4f/0x80
[ 806.353252] ? rcu_read_lock_sched_held+0x4f/0x80
[ 806.354064] mutex_lock_nested+0x1b/0x20
[ 806.354747] ? mutex_lock_nested+0x1b/0x20
[ 806.355457] dm_suspend+0xb8/0x1d0 [amdgpu]
[ 806.356427] ? soc15_common_set_clockgating_state+0x17d/0x19 [amdgpu]
[ 806.357736] amdgpu_device_ip_suspend_phase1+0x78/0xd0 [amdgpu]
[ 806.360394] amdgpu_device_ip_suspend+0x21/0x70 [amdgpu]
[ 806.362926] amdgpu_device_pre_asic_reset+0xb3/0x270 [amdgpu]
[ 806.365560] amdgpu_device_gpu_recover.cold+0x679/0x8eb [amdgpu]
Signed-off-by: Lang Yu <Lang.Yu@amd.com>
Acked-by: Christian KÃnig <christian.koenig@amd.com>
Reviewed-by: Andrey Grodzovsky <andrey.grodzovsky@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Current golden setting is out of date.
Signed-off-by: Guchun Chen <guchun.chen@amd.com>
Reviewed-by: Kenneth Feng <kenneth.feng@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
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Current golden setting is out of date.
Signed-off-by: Guchun Chen <guchun.chen@amd.com>
Reviewed-by: Kenneth Feng <kenneth.feng@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
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looks like we forget to set ttm->sg to NULL.
Hit panic below
[ 1235.844104] general protection fault, probably for non-canonical address 0x6b6b6b6b6b6b7b4b: 0000 [#1] SMP DEBUG_PAGEALLOC NOPTI
[ 1235.989074] Call Trace:
[ 1235.991751] sg_free_table+0x17/0x20
[ 1235.995667] amdgpu_ttm_backend_unbind.cold+0x4d/0xf7 [amdgpu]
[ 1236.002288] amdgpu_ttm_backend_destroy+0x29/0x130 [amdgpu]
[ 1236.008464] ttm_tt_destroy+0x1e/0x30 [ttm]
[ 1236.013066] ttm_bo_cleanup_memtype_use+0x51/0xa0 [ttm]
[ 1236.018783] ttm_bo_release+0x262/0xa50 [ttm]
[ 1236.023547] ttm_bo_put+0x82/0xd0 [ttm]
[ 1236.027766] amdgpu_bo_unref+0x26/0x50 [amdgpu]
[ 1236.032809] amdgpu_amdkfd_gpuvm_alloc_memory_of_gpu+0x7aa/0xd90 [amdgpu]
[ 1236.040400] kfd_ioctl_alloc_memory_of_gpu+0xe2/0x330 [amdgpu]
[ 1236.046912] kfd_ioctl+0x463/0x690 [amdgpu]
Signed-off-by: xinhui pan <xinhui.pan@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Add video_codecs query support for aldebaran.
Signed-off-by: James Zhu <James.Zhu@amd.com>
Reviewed-by: Leo Liu <leo.liu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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[Why]
the gem object rfb->base.obj[0] is get according to num_planes
in amdgpufb_create, but is not put according to num_planes
[How]
put rfb->base.obj[0] in amdgpu_fbdev_destroy according to num_planes
Signed-off-by: Jingwen Chen <Jingwen.Chen2@amd.com>
Acked-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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[Why]
Active DP dongles return no EDID when dongle
is connected, but VGA display is taken out.
Current driver behavior does not remove the
active display when this happens, and this is
a gap between dongle DTP and dongle behavior.
[How]
For active DP dongles and non-DP scenario,
disconnect sink on detection when no EDID
is read due to timeout.
Signed-off-by: Chris Park <Chris.Park@amd.com>
Reviewed-by: Nicholas Kazlauskas <Nicholas.Kazlauskas@amd.com>
Acked-by: Stylon Wang <stylon.wang@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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There is problem with 3DCGCG firmware and it will cause compute test
hang on picasso/raven1. It needs to disable 3DCGCG in driver to avoid
compute hang.
Signed-off-by: Changfeng <Changfeng.Zhu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Huang Rui <ray.huang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
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When PAGE_SIZE is larger than AMDGPU_PAGE_SIZE, the number of GPU TLB
entries which need to update in amdgpu_map_buffer() should be multiplied
by AMDGPU_GPU_PAGES_IN_CPU_PAGE (PAGE_SIZE / AMDGPU_PAGE_SIZE).
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Yi Li <liyi@loongson.cn>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
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Imported BOs don't have a pagelist any more.
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Fixes: 0575ff3d33cd ("drm/radeon: stop using pages with drm_prime_sg_to_page_addr_arrays v2")
CC: stable@vger.kernel.org # 5.12
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[why]
As per spec, DCN3.x can do 6:1 downscaling and DCN2.x can do 4:1. The
max downscaling limit value for DCN2.x is 250, which means it's
calculated as 1000 / 4 = 250. For DCN3.x this then gives 1000 / 6 = 167.
[how]
Set maximum downscaling limit to 167 for DCN3.x
Signed-off-by: Nikola Cornij <nikola.cornij@amd.com>
Reviewed-by: Charlene Liu <Charlene.Liu@amd.com>
Reviewed-by: Harry Wentland <Harry.Wentland@amd.com>
Acked-by: Stylon Wang <stylon.wang@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
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git://anongit.freedesktop.org/drm/drm-intel into drm-fixes
drm/i915 fixes for v5.13-rc3:
- Pin the L-shape quirked object as unshrinkable to fix crashes
- Disable HiZ Raw Stall Optimization on broken gen7 to fix glitches, gfx corruption
- GVT: Move mdev attribute groups into kvmgt module to fix kconfig deps issue
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/87a6opehx6.fsf@intel.com
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drm-intel-fixes
gvt-fixes-2021-05-19
- Fix workaround in -rc1 for GVT config (Zhenyu)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
From: Zhenyu Wang <zhenyuw@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210519074912.GG4589@zhen-hp.sh.intel.com
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