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Ensure pgsize_bitmap is always valid by initializing it to PAGE_MASK
in vfio_iommu_type1_open and remove the now pointless update for
the external domain case in vfio_iommu_type1_attach_group, which was
just setting pgsize_bitmap to PAGE_MASK when only external domains
were attached.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/20210924155705.4258-14-hch@lst.de
[aw: s/ULONG_MAX/PAGE_MASK/ per discussion in link]
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
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Unlike the the type1 IOMMU backend, the SPAPR one does not contain any
support for the magic non-IOMMU backed iommu_group used by mediated
devices, so reject them in ->attach_group.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Link: https://lore.kernel.org/r/20210924155705.4258-13-hch@lst.de
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
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Pass the group flags to ->attach_group and remove the messy check for
the bus type.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Link: https://lore.kernel.org/r/20210924155705.4258-12-hch@lst.de
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
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The iommu_device field in struct mdev_device has never been used
since it was added more than 2 years ago.
This is a manual revert of commit 7bd50f0cd2
("vfio/type1: Add domain at(de)taching group helpers").
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Link: https://lore.kernel.org/r/20210924155705.4258-11-hch@lst.de
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
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Create a new private drivers/vfio/vfio.h header for the interface between
the VFIO core and the iommu drivers.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Link: https://lore.kernel.org/r/20210924155705.4258-10-hch@lst.de
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
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The read, write and mmap methods are never implemented, so remove them.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Link: https://lore.kernel.org/r/20210924155705.4258-9-hch@lst.de
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
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Reuse the logic in vfio_noiommu_group_alloc to allocate a fake
single-device iommu group for mediated devices by factoring out a common
function, and replacing the noiommu boolean field in struct vfio_group
with an enum to distinguish the three different kinds of groups.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Link: https://lore.kernel.org/r/20210924155705.4258-8-hch@lst.de
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
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Just pass a noiommu argument to vfio_create_group and set up the
->noiommu flag directly.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Link: https://lore.kernel.org/r/20210924155705.4258-7-hch@lst.de
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
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Split the actual noiommu group creation from vfio_iommu_group_get into a
new helper, and open code the rest of vfio_iommu_group_get in its only
caller. This creates an entirely separate and clear code path for the
noiommu group creation.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Link: https://lore.kernel.org/r/20210924155705.4258-6-hch@lst.de
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
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Factor out a helper to find or allocate the vfio_group to reduce the
spagetthi code in vfio_register_group_dev a little.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Link: https://lore.kernel.org/r/20210924155705.4258-5-hch@lst.de
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
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vfio_noiommu_attach_group has two callers:
1) __vfio_container_attach_groups is called by vfio_ioctl_set_iommu,
which just called vfio_iommu_driver_allowed
2) vfio_group_set_container requires already checks ->noiommu on the
vfio_group, which is propagated from the iommudata in
vfio_create_group
so this check is entirely superflous and can be removed.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Link: https://lore.kernel.org/r/20210924155705.4258-4-hch@lst.de
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
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Factor out a little helper to make the checks for the noiommu driver less
ugly.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Link: https://lore.kernel.org/r/20210924155705.4258-3-hch@lst.de
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
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We don't need to hold a reference to the group in the driver as well as
obtain a reference to the same group as the first thing
vfio_register_group_dev() does.
Since the drivers never use the group move this all into the core code.
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Link: https://lore.kernel.org/r/20210924155705.4258-2-hch@lst.de
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/ras/ras
Pull EDAC fixes from Borislav Petkov:
"Fix two EDAC drivers using the wrong value type for the DIMM mode"
* tag 'edac_urgent_for_v5.15_rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/ras/ras:
EDAC/dmc520: Assign the proper type to dimm->edac_mode
EDAC/synopsys: Fix wrong value type assignment for edac_mode
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git://git.kernel.org/pub/scm/linux/kernel/git/thermal/linux
Pull thermal fixes from Daniel Lezcano:
- Fix thermal shutdown after a suspend/resume due to a wrong TCC value
restored on Intel platform (Antoine Tenart)
- Fix potential buffer overflow when building the list of policies. The
buffer size is not updated after writing to it (Dan Carpenter)
- Fix wrong check against IS_ERR instead of NULL (Ansuel Smith)
* tag 'thermal-v5.15-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/thermal/linux:
thermal/drivers/tsens: Fix wrong check for tzd in irq handlers
thermal/core: Potential buffer overflow in thermal_build_list_of_policies()
thermal/drivers/int340x: Do not set a wrong tcc offset on resume
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull irq fixes from Thomas Gleixner:
"A set of fixes for interrupt chip drivers:
- Work around a bad GIC integration on a Renesas platform which can't
handle byte-sized MMIO access
- Plug a potential memory leak in the GICv4 driver
- Fix a regression in the Armada 370-XP IPI code which was caused by
issuing EOI instack of ACK.
- A couple of small fixes here and there"
* tag 'irq-urgent-2021-09-26' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
irqchip/gic: Work around broken Renesas integration
irqchip/renesas-rza1: Use semicolons instead of commas
irqchip/gic-v3-its: Fix potential VPE leak on error
irqchip/goldfish-pic: Select GENERIC_IRQ_CHIP to fix build
irqchip/mbigen: Repair non-kernel-doc notation
irqdomain: Change the type of 'size' in __irq_domain_add() to be consistent
irqchip/armada-370-xp: Fix ack/eoi breakage
Documentation: Fix irq-domain.rst build warning
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git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI fixes from James Bottomley:
"Thirty-three fixes, I'm afraid.
Essentially the build up from the last couple of weeks while I've been
dealling with Linux Plumbers conference infrastructure issues. It's
mostly the usual assortment of spelling fixes and minor corrections.
The only core relevant changes are to the sd driver to reduce the spin
up message spew and fix a small memory leak on the freeing path"
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (33 commits)
scsi: ses: Retry failed Send/Receive Diagnostic commands
scsi: target: Fix spelling mistake "CONFLIFT" -> "CONFLICT"
scsi: lpfc: Fix gcc -Wstringop-overread warning, again
scsi: lpfc: Use correct scnprintf() limit
scsi: lpfc: Fix sprintf() overflow in lpfc_display_fpin_wwpn()
scsi: core: Remove 'current_tag'
scsi: acornscsi: Remove tagged queuing vestiges
scsi: fas216: Kill scmd->tag
scsi: qla2xxx: Restore initiator in dual mode
scsi: ufs: core: Unbreak the reset handler
scsi: sd_zbc: Support disks with more than 2**32 logical blocks
scsi: ufs: core: Revert "scsi: ufs: Synchronize SCSI and UFS error handling"
scsi: bsg: Fix device unregistration
scsi: sd: Make sd_spinup_disk() less noisy
scsi: ufs: ufs-pci: Fix Intel LKF link stability
scsi: mpt3sas: Clean up some inconsistent indenting
scsi: megaraid: Clean up some inconsistent indenting
scsi: sr: Fix spelling mistake "does'nt" -> "doesn't"
scsi: Remove SCSI CDROM MAINTAINERS entry
scsi: megaraid: Fix Coccinelle warning
...
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Pull block fixes from Jens Axboe:
- NVMe pull request via Christoph:
- keep ctrl->namespaces ordered (Christoph Hellwig)
- fix incorrect h2cdata pdu offset accounting in nvme-tcp (Sagi
Grimberg)
- handled updated hw_queues in nvme-fc more carefully (Daniel
Wagner, James Smart)
- md lock order fix (Christoph)
- fallocate locking fix (Ming)
- blktrace UAF fix (Zhihao)
- rq-qos bio tracking fix (Ming)
* tag 'block-5.15-2021-09-25' of git://git.kernel.dk/linux-block:
block: hold ->invalidate_lock in blkdev_fallocate
blktrace: Fix uaf in blk_trace access after removing by sysfs
block: don't call rq_qos_ops->done_bio if the bio isn't tracked
md: fix a lock order reversal in md_alloc
nvme: keep ctrl->namespaces ordered
nvme-tcp: fix incorrect h2cdata pdu offset accounting
nvme-fc: remove freeze/unfreeze around update_nr_hw_queues
nvme-fc: avoid race between time out and tear down
nvme-fc: update hardware queues before using them
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git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip
Pull xen fixes from Juergen Gross:
"Some minor cleanups and fixes of some theoretical bugs, as well as a
fix of a bug introduced in 5.15-rc1"
* tag 'for-linus-5.15b-rc3-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
xen/x86: fix PV trap handling on secondary processors
xen/balloon: fix balloon kthread freezing
swiotlb-xen: this is PV-only on x86
xen/pci-swiotlb: reduce visibility of symbols
PCI: only build xen-pcifront in PV-enabled environments
swiotlb-xen: ensure to issue well-formed XENMEM_exchange requests
Xen/gntdev: don't ignore kernel unmapping error
xen/x86: drop redundant zeroing from cpu_initialize_context()
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc driver fixes from Greg KH:
"Here are some small char and misc driver fixes for 5.15-rc3.
Nothing huge in here, just fixes for a number of small issues that
have been reported. These include:
- habanalabs race conditions and other bugs fixed
- binder driver fixes
- fpga driver fixes
- coresight build warning fix
- nvmem driver fix
- comedi memory leak fix
- bcm-vk tty race fix
- other tiny driver fixes
All of these have been in linux-next for a while with no reported
issues"
* tag 'char-misc-5.15-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (21 commits)
comedi: Fix memory leak in compat_insnlist()
nvmem: NVMEM_NINTENDO_OTP should depend on WII
misc: bcm-vk: fix tty registration race
fpga: dfl: Avoid reads to AFU CSRs during enumeration
fpga: machxo2-spi: Fix missing error code in machxo2_write_complete()
fpga: machxo2-spi: Return an error on failure
habanalabs: expose a single cs seq in staged submissions
habanalabs: fix wait offset handling
habanalabs: rate limit multi CS completion errors
habanalabs/gaudi: fix LBW RR configuration
habanalabs: Fix spelling mistake "FEADBACK" -> "FEEDBACK"
habanalabs: fail collective wait when not supported
habanalabs/gaudi: use direct MSI in single mode
habanalabs: fix kernel OOPs related to staged cs
habanalabs: fix potential race in interrupt wait ioctl
mcb: fix error handling in mcb_alloc_bus()
misc: genwqe: Fixes DMA mask setting
coresight: syscfg: Fix compiler warning
nvmem: core: Add stubs for nvmem_cell_read_variable_le_u32/64 if !CONFIG_NVMEM
binder: make sure fd closes complete
...
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Pull staging driver fixes from Greg KH:
"Here are two small staging driver fixes for 5.15-rc3:
- greybus tty use-after-free bugfix
- r8188eu ioctl overlap build warning fix
Note, the r8188eu ioctl has been entirely removed for 5.16-rc1, but
it's good to get this fixed now for people using this in 5.15.
Both of these have been in linux-next for a while with no reported
issues"
* tag 'staging-5.15-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging:
staging: r8188eu: fix -Wrestrict warnings
staging: greybus: uart: fix tty use after free
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Pull tty/serial fixes from Greg KH:
"Here are four small tty/serial driver fixes for 5.15-rc3. They
include:
- remove an export now that no one is using it anymore
- mvebu-uart tx_empty callback fix
- 8250_omap bugfix
- synclink_gt build fix
All of these have been in linux-next for a while with no reported
issues"
* tag 'tty-5.15-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty:
tty: unexport tty_ldisc_release
tty: synclink_gt: rename a conflicting function name
serial: mvebu-uart: fix driver's tx_empty callback
serial: 8250: 8250_omap: Fix RX_LVL register offset
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB driver fixes from Greg KH:
"Here are some USB driver fixes and new device ids for 5.15-rc3.
They include:
- usb-storage quirk additions
- usb-serial new device ids
- usb-serial driver fixes
- USB roothub registration bugfix to resolve a long-reported issue
- usb gadget driver fixes for a large number of small things
- dwc2 driver fixes
All of these have been in linux-next for a while with no reported
issues"
* tag 'usb-5.15-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (28 commits)
USB: serial: option: add device id for Foxconn T99W265
USB: serial: cp210x: add ID for GW Instek GDM-834x Digital Multimeter
USB: serial: cp210x: add part-number debug printk
USB: serial: cp210x: fix dropped characters with CP2102
MAINTAINERS: usb, update Peter Korsgaard's entries
usb: musb: tusb6010: uninitialized data in tusb_fifo_write_unaligned()
usb-storage: Add quirk for ScanLogic SL11R-IDE older than 2.6c
Re-enable UAS for LaCie Rugged USB3-FW with fk quirk
USB: serial: option: remove duplicate USB device ID
USB: serial: mos7840: remove duplicated 0xac24 device ID
arm64: dts: qcom: ipq8074: remove USB tx-fifo-resize property
usb: gadget: f_uac2: Populate SS descriptors' wBytesPerInterval
usb: gadget: f_uac2: Add missing companion descriptor for feedback EP
usb: dwc2: gadget: Fix ISOC transfer complete handling for DDMA
usb: core: hcd: Modularize HCD stop configuration in usb_stop_hcd()
xhci: Set HCD flag to defer primary roothub registration
usb: core: hcd: Add support for deferring roothub registration
usb: dwc2: gadget: Fix ISOC flow for BDMA and Slave
usb: dwc3: core: balance phy init and exit
Revert "USB: bcma: Add a check for devm_gpiod_get"
...
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git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux
Pull gpio fixes from Bartosz Golaszewski:
- fix a regression in GPIO ACPI on HP ElitePad 1000 G2 where the
gpio_set_debounce_timeout() now returns a fatal error if the specific
debounce period is not supported by the driver instead of just
emitting a warning
- fix return values of irq_mask/unmask() callbacks in gpio-uniphier
- fix hwirq calculation in gpio-aspeed-sgpio
- fix two issues in gpio-rockchip: only make the extended debounce
support available for v2 and remove a redundant BIT() usage
* tag 'gpio-fixes-for-v5.15-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux:
gpio/rockchip: fix get_direction value handling
gpio/rockchip: extended debounce support is only available on v2
gpio: gpio-aspeed-sgpio: Fix wrong hwirq in irq handler.
gpio: uniphier: Fix void functions to remove return value
gpiolib: acpi: Make set-debounce-timeout failures non fatal
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull device properties framework fix from Rafael Wysocki:
"Fix software node refcount imbalance on device removal (Laurentiu
Tudor)"
* tag 'devprop-5.15-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
software node: balance refcount for managed software nodes
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI fix from Rafael Wysocki:
"Revert a recent commit related to memory management that turned out to
be problematic (Jia He)"
* tag 'acpi-5.15-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
Revert "ACPI: Add memory semantics to acpi_os_map_memory()"
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Pull drm fixes from Dave Airlie:
"Quiet week this week, just some i915 and amd fixes, just getting ready
for my all nighter maintainer summit!
Summary:
i915:
- Fix ADL-P memory bandwidth parameters
- Fix memory corruption due to a double free
- Fix memory leak in DMC firmware handling
amdgpu:
- Update MAINTAINERS entry for powerplay
- Fix empty macros
- SI DPM fix
amdkfd:
- SVM fixes
- DMA mapping fix"
* tag 'drm-fixes-2021-09-24' of git://anongit.freedesktop.org/drm/drm:
drm/amdkfd: fix svm_migrate_fini warning
drm/amdkfd: handle svm migrate init error
drm/amd/pm: Update intermediate power state for SI
drm/amdkfd: fix dma mapping leaking warning
drm/amdkfd: SVM map to gpus check vma boundary
MAINTAINERS: fix up entry for AMD Powerplay
drm/amd/display: fix empty debug macros
drm/i915: Free all DMC payloads
drm/i915: Move __i915_gem_free_object to ttm_bo_destroy
drm/i915: Update memory bandwidth parameters
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Pull NVMe fixes from Christoph:
"nvme fixes for Linux 5.15:
- keep ctrl->namespaces ordered (me)
- fix incorrect h2cdata pdu offset accounting in nvme-tcp
(Sagi Grimberg)
- handled updated hw_queues in nvme-fc more carefully (Daniel Wagner,
James Smart)"
* tag 'nvme-5.15-2021-09-24' of git://git.infradead.org/nvme:
nvme: keep ctrl->namespaces ordered
nvme-tcp: fix incorrect h2cdata pdu offset accounting
nvme-fc: remove freeze/unfreeze around update_nr_hw_queues
nvme-fc: avoid race between time out and tear down
nvme-fc: update hardware queues before using them
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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:
- Work around a bad GIC integration on a Renesas platform, where the
interconnect cannot deal with byte-sized MMIO accesses
- Cleanup another Renesas driver abusing the comma operator
- Fix a potential GICv4 memory leak on an error path
- Make the type of 'size' consistent with the rest of the code in
__irq_domain_add()
- Fix a regression in the Armada 370-XP IPI path
- Fix the build for the obviously unloved goldfish-pic
- Some documentation fixes
Link: https://lore.kernel.org/r/20210924090933.2766857-1-maz@kernel.org
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https://git.kernel.org/pub/scm/linux/kernel/git/johan/usb-serial into usb-linus
Johan writes:
USB-serial fixes for 5.15-rc3
Here's a fix for a regression affecting some CP2102 devices and a host
of new device ids.
Included are also a couple of cleanups of duplicate device ids, which
are also tagged for stable to keep the tables in sync, and a trivial
patch to help debugging cp210x issues.
All have been in linux-next with no reported issues. Note however that
the last last two device-id commits were rebased to fix up a lore link
in a commit message (as the patch itself never made it to the list).
* tag 'usb-serial-5.15-rc3' of https://git.kernel.org/pub/scm/linux/kernel/git/johan/usb-serial:
USB: serial: option: add device id for Foxconn T99W265
USB: serial: cp210x: add ID for GW Instek GDM-834x Digital Multimeter
USB: serial: cp210x: add part-number debug printk
USB: serial: cp210x: fix dropped characters with CP2102
USB: serial: option: remove duplicate USB device ID
USB: serial: mos7840: remove duplicated 0xac24 device ID
USB: serial: option: add Telit LN920 compositions
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Adding support for Foxconn device T99W265 for enumeration with
PID 0xe0db.
usb-devices output for 0xe0db
T: Bus=04 Lev=01 Prnt=01 Port=00 Cnt=01 Dev#= 19 Spd=5000 MxCh= 0
D: Ver= 3.20 Cls=ef(misc ) Sub=02 Prot=01 MxPS= 9 #Cfgs= 1
P: Vendor=0489 ProdID=e0db Rev=05.04
S: Manufacturer=Microsoft
S: Product=Generic Mobile Broadband Adapter
S: SerialNumber=6c50f452
C: #Ifs= 5 Cfg#= 1 Atr=a0 MxPwr=896mA
I: If#=0x0 Alt= 0 #EPs= 1 Cls=02(commc) Sub=0e Prot=00 Driver=cdc_mbim
I: If#=0x1 Alt= 1 #EPs= 2 Cls=0a(data ) Sub=00 Prot=02 Driver=cdc_mbim
I: If#=0x2 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=ff Prot=40 Driver=option
I: If#=0x3 Alt= 0 #EPs= 1 Cls=ff(vend.) Sub=ff Prot=ff Driver=(none)
I: If#=0x4 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=ff Prot=30 Driver=option
if0/1: MBIM, if2:Diag, if3:GNSS, if4: Modem
Signed-off-by: Slark Xiao <slark_xiao@163.com>
Link: https://lore.kernel.org/r/20210917110106.9852-1-slark_xiao@163.com
[ johan: use USB_DEVICE_INTERFACE_CLASS(), amend comment ]
Cc: stable@vger.kernel.org
Signed-off-by: Johan Hovold <johan@kernel.org>
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Add the USB serial device ID for the GW Instek GDM-834x Digital Multimeter.
Signed-off-by: Uwe Brandt <uwe.brandt@gmail.com>
Link: https://lore.kernel.org/r/YUxFl3YUCPGJZd8Y@hovoldconsulting.com
Cc: stable@vger.kernel.org
Signed-off-by: Johan Hovold <johan@kernel.org>
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git://anongit.freedesktop.org/drm/drm-intel into drm-fixes
drm/i915 fixes for v5.15-rc3:
- Fix ADL-P memory bandwidth parameters
- Fix memory corruption due to a double free
- Fix memory leak in DMC firmware handling
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/87o88jbk3o.fsf@intel.com
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Device manager releases device-specific resources when a driver
disconnects from a device, devm_memunmap_pages and
devm_release_mem_region calls in svm_migrate_fini are redundant.
It causes below warning trace after patch "drm/amdgpu: Split
amdgpu_device_fini into early and late", so remove function
svm_migrate_fini.
BUG: https://gitlab.freedesktop.org/drm/amd/-/issues/1718
WARNING: CPU: 1 PID: 3646 at drivers/base/devres.c:795
devm_release_action+0x51/0x60
Call Trace:
? memunmap_pages+0x360/0x360
svm_migrate_fini+0x2d/0x60 [amdgpu]
kgd2kfd_device_exit+0x23/0xa0 [amdgpu]
amdgpu_amdkfd_device_fini_sw+0x1d/0x30 [amdgpu]
amdgpu_device_fini_sw+0x45/0x290 [amdgpu]
amdgpu_driver_release_kms+0x12/0x30 [amdgpu]
drm_dev_release+0x20/0x40 [drm]
release_nodes+0x196/0x1e0
device_release_driver_internal+0x104/0x1d0
driver_detach+0x47/0x90
bus_remove_driver+0x7a/0xd0
pci_unregister_driver+0x3d/0x90
amdgpu_exit+0x11/0x20 [amdgpu]
Signed-off-by: Philip Yang <Philip.Yang@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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If svm migration init failed to create pgmap for device memory, set
pgmap type to 0 to disable device SVM support capability.
Signed-off-by: Philip Yang <Philip.Yang@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Update the current state as boot state during dpm initialization.
During the subsequent initialization, set_power_state gets called to
transition to the final power state. set_power_state refers to values
from the current state and without current state populated, it could
result in NULL pointer dereference.
For ex: on platforms where PCI speed change is supported through ACPI
ATCS method, the link speed of current state needs to be queried before
deciding on changing to final power state's link speed. The logic to query
ATCS-support was broken on certain platforms. The issue became visible
when broken ATCS-support logic got fixed with commit
f9b7f3703ff9 ("drm/amdgpu/acpi: make ATPX/ATCS structures global (v2)").
Bug: https://gitlab.freedesktop.org/drm/amd/-/issues/1698
Signed-off-by: Lijo Lazar <lijo.lazar@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
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For xnack off, restore work dma unmap previous system memory page, and
dma map the updated system memory page to update GPU mapping, this is
not dma mapping leaking, remove the WARN_ONCE for dma mapping leaking.
prange->dma_addr store the VRAM page pfn after the range migrated to
VRAM, should not dma unmap VRAM page when updating GPU mapping or
remove prange. Add helper svm_is_valid_dma_mapping_addr to check VRAM
page and error cases.
Mask out SVM_RANGE_VRAM_DOMAIN flag in dma_addr before calling amdgpu vm
update to avoid BUG_ON(*addr & 0xFFFF00000000003FULL), and set it again
immediately after. This flag is used to know the type of page later to
dma unmapping system memory page.
Fixes: 1d5dbfe6c06a ("drm/amdkfd: classify and map mixed svm range pages in GPU")
Signed-off-by: Philip Yang <Philip.Yang@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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SVM range may includes multiple VMAs with different vm_flags, if prange
page index is the last page of the VMA offset + npages, update GPU
mapping to create GPU page table with same VMA access permission.
Signed-off-by: Philip Yang <Philip.Yang@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Using an empty macro expansion as a conditional expression
produces a W=1 warning:
drivers/gpu/drm/amd/amdgpu/../display/dc/dce/dce_aux.c: In function 'dce_aux_transfer_with_retries':
drivers/gpu/drm/amd/amdgpu/../display/dc/dce/dce_aux.c:775:156: error: suggest braces around empty body in an 'if' statement [-Werror=empty-body]
775 | "dce_aux_transfer_with_retries: AUX_RET_SUCCESS: AUX_TRANSACTION_REPLY_I2C_OVER_AUX_DEFER");
| ^
drivers/gpu/drm/amd/amdgpu/../display/dc/dce/dce_aux.c:783:155: error: suggest braces around empty body in an 'if' statement [-Werror=empty-body]
783 | "dce_aux_transfer_with_retries: AUX_RET_SUCCESS: AUX_TRANSACTION_REPLY_I2C_OVER_AUX_NACK");
| ^
Expand it to "do { } while (0)" instead to make the expression
more robust and avoid the warning.
Fixes: 56aca2309301 ("drm/amd/display: Add AUX I2C tracing.")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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This reverts commit 437b38c51162f8b87beb28a833c4d5dc85fa864e.
The memory semantics added in commit 437b38c51162 causes SystemMemory
Operation region, whose address range is not described in the EFI memory
map to be mapped as NormalNC memory on arm64 platforms (through
acpi_os_map_memory() in acpi_ex_system_memory_space_handler()).
This triggers the following abort on an ARM64 Ampere eMAG machine,
because presumably the physical address range area backing the Opregion
does not support NormalNC memory attributes driven on the bus.
Internal error: synchronous external abort: 96000410 [#1] SMP
Modules linked in:
CPU: 0 PID: 1 Comm: swapper/0 Not tainted 5.14.0+ #462
Hardware name: MiTAC RAPTOR EV-883832-X3-0001/RAPTOR, BIOS 0.14 02/22/2019
pstate: 60000005 (nZCv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--)
[...snip...]
Call trace:
acpi_ex_system_memory_space_handler+0x26c/0x2c8
acpi_ev_address_space_dispatch+0x228/0x2c4
acpi_ex_access_region+0x114/0x268
acpi_ex_field_datum_io+0x128/0x1b8
acpi_ex_extract_from_field+0x14c/0x2ac
acpi_ex_read_data_from_field+0x190/0x1b8
acpi_ex_resolve_node_to_value+0x1ec/0x288
acpi_ex_resolve_to_value+0x250/0x274
acpi_ds_evaluate_name_path+0xac/0x124
acpi_ds_exec_end_op+0x90/0x410
acpi_ps_parse_loop+0x4ac/0x5d8
acpi_ps_parse_aml+0xe0/0x2c8
acpi_ps_execute_method+0x19c/0x1ac
acpi_ns_evaluate+0x1f8/0x26c
acpi_ns_init_one_device+0x104/0x140
acpi_ns_walk_namespace+0x158/0x1d0
acpi_ns_initialize_devices+0x194/0x218
acpi_initialize_objects+0x48/0x50
acpi_init+0xe0/0x498
If the Opregion address range is not present in the EFI memory map there
is no way for us to determine the memory attributes to use to map it -
defaulting to NormalNC does not work (and it is not correct on a memory
region that may have read side-effects) and therefore commit
437b38c51162 should be reverted, which means reverting back to the
original behavior whereby address ranges that are mapped using
acpi_os_map_memory() default to the safe devicenGnRnE attributes on
ARM64 if the mapped address range is not defined in the EFI memory map.
Fixes: 437b38c51162 ("ACPI: Add memory semantics to acpi_os_map_memory()")
Signed-off-by: Jia He <justin.he@arm.com>
Acked-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Jakub Kicinski:
"Current release - regressions:
- dsa: bcm_sf2: fix array overrun in bcm_sf2_num_active_ports()
Previous releases - regressions:
- introduce a shutdown method to mdio device drivers, and make DSA
switch drivers compatible with masters disappearing on shutdown;
preventing infinite reference wait
- fix issues in mdiobus users related to ->shutdown vs ->remove
- virtio-net: fix pages leaking when building skb in big mode
- xen-netback: correct success/error reporting for the
SKB-with-fraglist
- dsa: tear down devlink port regions when tearing down the devlink
port on error
- nexthop: fix division by zero while replacing a resilient group
- hns3: check queue, vf, vlan ids range before using
Previous releases - always broken:
- napi: fix race against netpoll causing NAPI getting stuck
- mlx4_en: ensure link operstate is updated even if link comes up
before netdev registration
- bnxt_en: fix TX timeout when TX ring size is set to the smallest
- enetc: fix illegal access when reading affinity_hint; prevent oops
on sysfs access
- mtk_eth_soc: avoid creating duplicate offload entries
Misc:
- core: correct the sock::sk_lock.owned lockdep annotations"
* tag 'net-5.15-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (51 commits)
atlantic: Fix issue in the pm resume flow.
net/mlx4_en: Don't allow aRFS for encapsulated packets
net: mscc: ocelot: fix forwarding from BLOCKING ports remaining enabled
net: ethernet: mtk_eth_soc: avoid creating duplicate offload entries
nfc: st-nci: Add SPI ID matching DT compatible
MAINTAINERS: remove Guvenc Gulce as net/smc maintainer
nexthop: Fix memory leaks in nexthop notification chain listeners
mptcp: ensure tx skbs always have the MPTCP ext
qed: rdma - don't wait for resources under hw error recovery flow
s390/qeth: fix deadlock during failing recovery
s390/qeth: Fix deadlock in remove_discipline
s390/qeth: fix NULL deref in qeth_clear_working_pool_list()
net: dsa: realtek: register the MDIO bus under devres
net: dsa: don't allocate the slave_mii_bus using devres
Doc: networking: Fox a typo in ice.rst
net: dsa: fix dsa_tree_setup error path
net/smc: fix 'workqueue leaked lock' in smc_conn_abort_work
net/smc: add missing error check in smc_clc_prfx_set()
net: hns3: fix a return value error in hclge_get_reset_status()
net: hns3: check vlan id before using it
...
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After fixing hibernation resume flow, another usecase was found which
should be explicitly handled - resume when device is in "down" state.
Invoke aq_nic_init jointly with aq_nic_start only if ndev was already
up during suspend/hibernate. We still need to perform nic_deinit() if
caller requests for it, to handle the freeze/resume scenarios.
Fixes: 57f780f1c433 ("atlantic: Fix driver resume flow.")
Signed-off-by: Sudarsana Reddy Kalluru <skalluru@marvell.com>
Signed-off-by: Igor Russkikh <irusskikh@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Driver doesn't support aRFS for encapsulated packets, return early error
in such a case.
Fixes: 1eb8c695bda9 ("net/mlx4_en: Add accelerated RFS support")
Signed-off-by: Aya Levin <ayal@nvidia.com>
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The blamed commit made the fatally incorrect assumption that ports which
aren't in the FORWARDING STP state should not have packets forwarded
towards them, and that is all that needs to be done.
However, that logic alone permits BLOCKING ports to forward to
FORWARDING ports, which of course allows packet storms to occur when
there is an L2 loop.
The ocelot_get_bridge_fwd_mask should not only ask "what can the bridge
do for you", but "what can you do for the bridge". This way, only
FORWARDING ports forward to the other FORWARDING ports from the same
bridging domain, and we are still compatible with the idea of multiple
bridges.
Fixes: df291e54ccca ("net: ocelot: support multiple bridges")
Suggested-by: Colin Foster <colin.foster@in-advantage.com>
Reported-by: Colin Foster <colin.foster@in-advantage.com>
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: Colin Foster <colin.foster@in-advantage.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Sometimes multiple CLS_REPLACE calls are issued for the same connection.
rhashtable_insert_fast does not check for these duplicates, so multiple
hardware flow entries can be created.
Fix this by checking for an existing entry early
Fixes: 502e84e2382d ("net: ethernet: mtk_eth_soc: add flow offloading support")
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Ilya Lipnitskiy <ilya.lipnitskiy@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Currently autoloading for SPI devices does not use the DT ID table, it uses
SPI modalises. Supporting OF modalises is going to be difficult if not
impractical, an attempt was made but has been reverted, so ensure that
module autoloading works for this driver by adding the part name used in
the compatible to the list of SPI IDs.
Fixes: 96c8395e2166 ("spi: Revert modalias changes")
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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syzkaller discovered memory leaks [1] that can be reduced to the
following commands:
# ip nexthop add id 1 blackhole
# devlink dev reload pci/0000:06:00.0
As part of the reload flow, mlxsw will unregister its netdevs and then
unregister from the nexthop notification chain. Before unregistering
from the notification chain, mlxsw will receive delete notifications for
nexthop objects using netdevs registered by mlxsw or their uppers. mlxsw
will not receive notifications for nexthops using netdevs that are not
dismantled as part of the reload flow. For example, the blackhole
nexthop above that internally uses the loopback netdev as its nexthop
device.
One way to fix this problem is to have listeners flush their nexthop
tables after unregistering from the notification chain. This is
error-prone as evident by this patch and also not symmetric with the
registration path where a listener receives a dump of all the existing
nexthops.
Therefore, fix this problem by replaying delete notifications for the
listener being unregistered. This is symmetric to the registration path
and also consistent with the netdev notification chain.
The above means that unregister_nexthop_notifier(), like
register_nexthop_notifier(), will have to take RTNL in order to iterate
over the existing nexthops and that any callers of the function cannot
hold RTNL. This is true for mlxsw and netdevsim, but not for the VXLAN
driver. To avoid a deadlock, change the latter to unregister its nexthop
listener without holding RTNL, making it symmetric to the registration
path.
[1]
unreferenced object 0xffff88806173d600 (size 512):
comm "syz-executor.0", pid 1290, jiffies 4295583142 (age 143.507s)
hex dump (first 32 bytes):
41 9d 1e 60 80 88 ff ff 08 d6 73 61 80 88 ff ff A..`......sa....
08 d6 73 61 80 88 ff ff 01 00 00 00 00 00 00 00 ..sa............
backtrace:
[<ffffffff81a6b576>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline]
[<ffffffff81a6b576>] slab_post_alloc_hook+0x96/0x490 mm/slab.h:522
[<ffffffff81a716d3>] slab_alloc_node mm/slub.c:3206 [inline]
[<ffffffff81a716d3>] slab_alloc mm/slub.c:3214 [inline]
[<ffffffff81a716d3>] kmem_cache_alloc_trace+0x163/0x370 mm/slub.c:3231
[<ffffffff82e8681a>] kmalloc include/linux/slab.h:591 [inline]
[<ffffffff82e8681a>] kzalloc include/linux/slab.h:721 [inline]
[<ffffffff82e8681a>] mlxsw_sp_nexthop_obj_group_create drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c:4918 [inline]
[<ffffffff82e8681a>] mlxsw_sp_nexthop_obj_new drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c:5054 [inline]
[<ffffffff82e8681a>] mlxsw_sp_nexthop_obj_event+0x59a/0x2910 drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c:5239
[<ffffffff813ef67d>] notifier_call_chain+0xbd/0x210 kernel/notifier.c:83
[<ffffffff813f0662>] blocking_notifier_call_chain kernel/notifier.c:318 [inline]
[<ffffffff813f0662>] blocking_notifier_call_chain+0x72/0xa0 kernel/notifier.c:306
[<ffffffff8384b9c6>] call_nexthop_notifiers+0x156/0x310 net/ipv4/nexthop.c:244
[<ffffffff83852bd8>] insert_nexthop net/ipv4/nexthop.c:2336 [inline]
[<ffffffff83852bd8>] nexthop_add net/ipv4/nexthop.c:2644 [inline]
[<ffffffff83852bd8>] rtm_new_nexthop+0x14e8/0x4d10 net/ipv4/nexthop.c:2913
[<ffffffff833e9a78>] rtnetlink_rcv_msg+0x448/0xbf0 net/core/rtnetlink.c:5572
[<ffffffff83608703>] netlink_rcv_skb+0x173/0x480 net/netlink/af_netlink.c:2504
[<ffffffff833de032>] rtnetlink_rcv+0x22/0x30 net/core/rtnetlink.c:5590
[<ffffffff836069de>] netlink_unicast_kernel net/netlink/af_netlink.c:1314 [inline]
[<ffffffff836069de>] netlink_unicast+0x5ae/0x7f0 net/netlink/af_netlink.c:1340
[<ffffffff83607501>] netlink_sendmsg+0x8e1/0xe30 net/netlink/af_netlink.c:1929
[<ffffffff832fde84>] sock_sendmsg_nosec net/socket.c:704 [inline]
[<ffffffff832fde84>] sock_sendmsg net/socket.c:724 [inline]
[<ffffffff832fde84>] ____sys_sendmsg+0x874/0x9f0 net/socket.c:2409
[<ffffffff83304a44>] ___sys_sendmsg+0x104/0x170 net/socket.c:2463
[<ffffffff83304c01>] __sys_sendmsg+0x111/0x1f0 net/socket.c:2492
[<ffffffff83304d5d>] __do_sys_sendmsg net/socket.c:2501 [inline]
[<ffffffff83304d5d>] __se_sys_sendmsg net/socket.c:2499 [inline]
[<ffffffff83304d5d>] __x64_sys_sendmsg+0x7d/0xc0 net/socket.c:2499
Fixes: 2a014b200bbd ("mlxsw: spectrum_router: Add support for nexthop objects")
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Reviewed-by: Petr Machata <petrm@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add a part-number debug printk to facilitate debugging.
Signed-off-by: Johan Hovold <johan@kernel.org>
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Some CP2102 do not support event-insertion mode but return no error when
attempting to enable it.
This means that any event escape characters in the input stream will not
be escaped by the device and consequently regular data may be
interpreted as escape sequences and be removed from the stream by the
driver.
The reporter's device has batch number DCL00X etched into it and as
discovered by the SHA2017 Badge team, counterfeit devices with that
marking can be detected by sending malformed vendor requests. [1][2]
Tests confirm that the possibly counterfeit CP2102 returns a single byte
in response to a malformed two-byte part-number request, while an
original CP2102 returns two bytes. Assume that every CP2102 that behaves
this way also does not support event-insertion mode (e.g. cannot report
parity errors).
[1] https://mobile.twitter.com/sha2017badge/status/1167902087289532418
[2] https://hackaday.com/2017/08/14/hands-on-with-the-shacamp-2017-badge/#comment-3903376
Reported-by: Malte Di Donato <malte@neo-soft.org>
Tested-by: Malte Di Donato <malte@neo-soft.org>
Fixes: a7207e9835a4 ("USB: serial: cp210x: add support for line-status events")
Cc: stable@vger.kernel.org # 5.9
Link: https://lore.kernel.org/r/20210922113100.20888-1-johan@kernel.org
Signed-off-by: Johan Hovold <johan@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi
Pull spi modalias fix from Mark Brown:
"Fix modalias issues
As reported by Russell King the change to use OF style modaliases for
DT enumerated broke at least the spi-nor driver, the patch here
reverts that change to fix the regression.
Sadly this will mean that anything that started loading since the
change to OF modaliases will run into issues, there doesn't seem to be
any approach which doesn't cause some problems and thi seems like the
least bad approach - gory details are in the commit log for the
change.
I'm currently working through the SPI drivers to add ID tables and
missing IDs to tables which should address things from the other end,
this seems more straightforward and robust than any other options"
* tag 'spi-fix-v5.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi:
spi: Revert modalias changes
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