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git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux
Pull MTD fixes from Richard Weinberger:
- Fix a PM regression in brcmnand driver
- Propagate ECC information correctly on SPI-NAND
- Make sure no MTD name is used multiple time in nvmem
* tag 'fixes-for-5.7-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux:
mtd:rawnand: brcmnand: Fix PM resume crash
mtd: Fix mtd not registered due to nvmem name collision
mtd: spinand: Propagate ECC information to the MTD structure
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git://git.kernel.org/pub/scm/linux/kernel/git/rw/ubifs
Pull UBI and UBIFS fixes from Richard Weinberger:
- Correctly set next cursor for detailed_erase_block_info debugfs file
- Don't use crypto_shash_descsize() for digest size in UBIFS
- Remove broken lazytime support from UBIFS
* tag 'for-linus-5.7-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/ubifs:
ubi: Fix seq_file usage in detailed_erase_block_info debugfs file
ubifs: fix wrong use of crypto_shash_descsize()
ubifs: remove broken lazytime support
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management fix from Rafael Wysocki:
"This makes a recently introduced suspend-to-idle wakeup issue on Dell
XPS13 9360 go away"
* tag 'pm-5.7-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
ACPI: EC: PM: Avoid flushing EC work when EC GPE is inactive
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git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull i2c fixes from Wolfram Sang:
"A set of driver and core fixes as well as MAINTAINER update"
* 'i2c/for-current-fixed' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
MAINTAINERS: add maintainer for mediatek i2c controller driver
i2c: mux: Replace zero-length array with flexible-array
i2c: mux: demux-pinctrl: Fix an error handling path in 'i2c_demux_pinctrl_probe()'
i2c: altera: Fix race between xfer_msg and isr thread
i2c: algo-pca: update contact email
i2c: at91: Fix pinmux after devm_gpiod_get() for bus recovery
i2c: use my kernel.org address from now on
i2c: fix missing pm_runtime_put_sync in i2c_device_probe
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git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu
Pull iommu fixes from Joerg Roedel:
"All related to the AMD IOMMU driver:
- ACPI table parser fix to correctly read the UID of ACPI devices
- ACPI UID device matching fix
- Fix deferred device attachment to a domain in kdump kernels when
the IOMMU driver uses the dma-iommu DMA-API implementation"
* tag 'iommu-fixes-v5.7-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu:
iommu: Fix deferred domain attachment
iommu/amd: Fix get_acpihid_device_id()
iommu/amd: Fix over-read of ACPI UID from IVRS table
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The IOMMU core code has support for deferring the attachment of a domain
to a device. This is needed in kdump kernels where the new domain must
not be attached to a device before the device driver takes it over.
When the AMD IOMMU driver got converted to use the dma-iommu
implementation, the deferred attaching got lost. The code in
dma-iommu.c has support for deferred attaching, but it calls into
iommu_attach_device() to actually do it. But iommu_attach_device()
will check if the device should be deferred in it code-path and do
nothing, breaking deferred attachment.
Move the is_deferred_attach() check out of the attach_device path and
into iommu_group_add_device() to make deferred attaching work from the
dma-iommu code.
Fixes: 795bbbb9b6f8 ("iommu/dma-iommu: Handle deferred devices")
Reported-by: Jerry Snitselaar <jsnitsel@redhat.com>
Suggested-by: Robin Murphy <robin.murphy@arm.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Tested-by: Jerry Snitselaar <jsnitsel@redhat.com>
Cc: Jerry Snitselaar <jsnitsel@redhat.com>
Cc: Tom Murphy <murphyt7@tcd.ie>
Cc: Robin Murphy <robin.murphy@arm.com>
Link: https://lore.kernel.org/r/20200519130340.14564-1-joro@8bytes.org
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This change fixes crash observed on PM resume. This bug
was introduced in the change made for flash-edu support.
Fixes: a5d53ad26a8b ("mtd: rawnand: brcmnand: Add support for flash-edu for dma transfers")
Signed-off-by: Kamal Dasu <kdasu.kdev@gmail.com>
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
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When the nvmem framework is enabled, a nvmem device is created per mtd
device/partition.
It is not uncommon that a device can have multiple mtd devices with
partitions that have the same name. Eg, when there DT overlay is allowed
and the same device with mtd is attached twice.
Under that circumstances, the mtd fails to register due to a name
duplication on the nvmem framework.
With this patch we use the mtdX name instead of the partition name,
which is unique.
[ 8.948991] sysfs: cannot create duplicate filename '/bus/nvmem/devices/Production Data'
[ 8.948992] CPU: 7 PID: 246 Comm: systemd-udevd Not tainted 5.5.0-qtec-standard #13
[ 8.948993] Hardware name: AMD Dibbler/Dibbler, BIOS 05.22.04.0019 10/26/2019
[ 8.948994] Call Trace:
[ 8.948996] dump_stack+0x50/0x70
[ 8.948998] sysfs_warn_dup.cold+0x17/0x2d
[ 8.949000] sysfs_do_create_link_sd.isra.0+0xc2/0xd0
[ 8.949002] bus_add_device+0x74/0x140
[ 8.949004] device_add+0x34b/0x850
[ 8.949006] nvmem_register.part.0+0x1bf/0x640
...
[ 8.948926] mtd mtd8: Failed to register NVMEM device
Fixes: c4dfa25ab307 ("mtd: add support for reading MTD devices via the nvmem API")
Signed-off-by: Ricardo Ribalda Delgado <ribalda@kernel.org>
Acked-by: Miquel Raynal <miquel.raynal@bootlin.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
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This is done by default in the raw NAND core (nand_base.c) but was
missing in the SPI-NAND core. Without these two lines the ecc_strength
and ecc_step_size values are not exported to the user through sysfs.
Fixes: 7529df465248 ("mtd: nand: Add core infrastructure to support SPI NANDs")
Cc: stable@vger.kernel.org
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Reviewed-by: Boris Brezillon <boris.brezillon@collabora.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
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Flushing the EC work while suspended to idle when the EC GPE status
is not set causes some EC wakeup events (notably power button and
lid ones) to be missed after a series of spurious wakeups on the Dell
XPS13 9360 in my office.
If that happens, the machine cannot be woken up from suspend-to-idle
by the power button or lid status change and it needs to be woken up
in some other way (eg. by a key press).
Flushing the EC work only after successful dispatching the EC GPE,
which means that its status has been set, avoids the issue, so change
the code in question accordingly.
Fixes: 7b301750f7f8 ("ACPI: EC: PM: Avoid premature returns from acpi_s2idle_wake()")
Cc: 5.4+ <stable@vger.kernel.org> # 5.4+
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Tested-by: Chris Chiu <chiu@endlessm.com>
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Pull IPMI update from Corey Minyard:
"Convert i2c_new_device() to i2c_new_client_device()
Wolfram Sang has asked to have this included in 5.7 so the deprecated
API can be removed next release. There should be no functional
difference.
I think that entire this section of code can be removed; it is
leftover from other things that have since changed, but this is the
safer thing to do for now. The full removal can happen next release"
* tag 'for-linus-5.7-2' of git://github.com/cminyard/linux-ipmi:
char: ipmi: convert to use i2c_new_client_device()
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3bfa7e141b0b ("fs/seq_file.c: seq_read(): add info message about buggy .next functions")
showed that we don't use seq_file correctly.
So make sure that our ->next function always updates the position.
Fixes: 7bccd12d27b7 ("ubi: Add debugfs file for tracking PEB state")
Signed-off-by: Richard Weinberger <richard@nod.at>
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git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux
Pull clk fixes from Stephen Boyd:
"Some more clk driver fixes and one core framework fix:
- A handful of TI driver fixes for bad of_node_put() and incorrect
parent names
- Rockchip rk3228 aclk_gpu* creation was interfering with lima GPU
work so we use a composite clk now
- Resuming from suspend on Tegra Jetson TK1 was broken because an
audio PLL calculated an incorrect rate
- A fix for devicetree probing on IM-PD1 by actually specifying a clk
name which is required to pass clk registration
- Avoid list corruption if registration fails for a critical clk"
* tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux:
clk: ti: clkctrl: convert subclocks to use proper names also
clk: ti: am33xx: fix RTC clock parent
clk: ti: clkctrl: Fix Bad of_node_put within clkctrl_get_name
clk: tegra: Fix initial rate for pll_a on Tegra124
clk: impd1: Look up clock-output-names
clk: Unlink clock if failed to prepare or enable
clk: rockchip: fix incorrect configuration of rk3228 aclk_gpu* clocks
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB fixes from Greg KH:
"Here are a number of USB fixes for 5.7-rc6
The "largest" in here is a bunch of raw-gadget fixes and api changes
as the driver just showed up in -rc1 and work has been done to fix up
some uapi issues found with the original submission, before it shows
up in a -final release.
Other than that, a bunch of other small USB gadget fixes, xhci fixes,
some quirks, andother tiny fixes for reported issues.
All of these have been in linux-next with no reported issues"
* tag 'usb-5.7-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (26 commits)
USB: gadget: fix illegal array access in binding with UDC
usb: core: hub: limit HUB_QUIRK_DISABLE_AUTOSUSPEND to USB5534B
USB: usbfs: fix mmap dma mismatch
usb: host: xhci-plat: keep runtime active when removing host
usb: xhci: Fix NULL pointer dereference when enqueuing trbs from urb sg list
usb: cdns3: gadget: make a bunch of functions static
usb: mtu3: constify struct debugfs_reg32
usb: gadget: udc: atmel: Make some symbols static
usb: raw-gadget: fix null-ptr-deref when reenabling endpoints
usb: raw-gadget: documentation updates
usb: raw-gadget: support stalling/halting/wedging endpoints
usb: raw-gadget: fix gadget endpoint selection
usb: raw-gadget: improve uapi headers comments
usb: typec: mux: intel: Fix DP_HPD_LVL bit field
usb: raw-gadget: fix return value of ep read ioctls
usb: dwc3: select USB_ROLE_SWITCH
usb: gadget: legacy: fix error return code in gncm_bind()
usb: gadget: legacy: fix error return code in cdc_bind()
usb: gadget: legacy: fix redundant initialization warnings
usb: gadget: tegra-xudc: Fix idle suspend/resume
...
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Pull block fix from Jens Axboe:
"Just a single NVMe pull in here, with a single fix for a missing DMA
read memory barrier for completions"
* tag 'block-5.7-2020-05-16' of git://git.kernel.dk/linux-block:
nvme-pci: dma read memory barrier for completions
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git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl
Pull pin control fixes from Linus Walleij:
"A bunch of pin control fixes, some a bit overly ripe, sorry about
that. We have important systems like Intel laptops and Qualcomm mobile
chips covered.
- Pad lock register on Intel Sunrisepoint had the wrong offset
- Fix pin config setting for the Baytrail GPIO chip
- Fix a compilation warning in the Mediatek driver
- Fix a function group name in the Actions driver
- Fix a behaviour bug in the edge polarity code in the Qualcomm
driver
- Add a missing spinlock in the Intel Cherryview driver
- Add affinity callbacks to the Qualcomm MSMGPIO chip"
* tag 'pinctrl-v5.7-2' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl:
pinctrl: qcom: Add affinity callbacks to msmgpio IRQ chip
pinctrl: cherryview: Add missing spinlock usage in chv_gpio_irq_handler
pinctrl: qcom: fix wrong write in update_dual_edge
pinctrl: actions: fix function group name for i2c0_group
pinctrl: mediatek: remove shadow variable declaration
pinctrl: baytrail: Enable pin configuration setting for GPIO chip
pinctrl: sunrisepoint: Fix PAD lock register offset for SPT-H
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Pull networking fixes from David Miller:
1) Fix sk_psock reference count leak on receive, from Xiyu Yang.
2) CONFIG_HNS should be invisible, from Geert Uytterhoeven.
3) Don't allow locking route MTUs in ipv6, RFCs actually forbid this,
from Maciej Żenczykowski.
4) ipv4 route redirect backoff wasn't actually enforced, from Paolo
Abeni.
5) Fix netprio cgroup v2 leak, from Zefan Li.
6) Fix infinite loop on rmmod in conntrack, from Florian Westphal.
7) Fix tcp SO_RCVLOWAT hangs, from Eric Dumazet.
8) Various bpf probe handling fixes, from Daniel Borkmann.
* git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (68 commits)
selftests: mptcp: pm: rm the right tmp file
dpaa2-eth: properly handle buffer size restrictions
bpf: Restrict bpf_trace_printk()'s %s usage and add %pks, %pus specifier
bpf: Add bpf_probe_read_{user, kernel}_str() to do_refine_retval_range
bpf: Restrict bpf_probe_read{, str}() only to archs where they work
MAINTAINERS: Mark networking drivers as Maintained.
ipmr: Add lockdep expression to ipmr_for_each_table macro
ipmr: Fix RCU list debugging warning
drivers: net: hamradio: Fix suspicious RCU usage warning in bpqether.c
net: phy: broadcom: fix BCM54XX_SHD_SCR3_TRDDAPD value for BCM54810
tcp: fix error recovery in tcp_zerocopy_receive()
MAINTAINERS: Add Jakub to networking drivers.
MAINTAINERS: another add of Karsten Graul for S390 networking
drivers: ipa: fix typos for ipa_smp2p structure doc
pppoe: only process PADT targeted at local interfaces
selftests/bpf: Enforce returning 0 for fentry/fexit programs
bpf: Enforce returning 0 for fentry/fexit progs
net: stmmac: fix num_por initialization
security: Fix the default value of secid_to_secctx hook
libbpf: Fix register naming in PT_REGS s390 macros
...
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Pull rdma fixes from Jason Gunthorpe:
"A few minor bug fixes for user visible defects, and one regression:
- Various bugs from static checkers and syzkaller
- Add missing error checking in mlx4
- Prevent RTNL lock recursion in i40iw
- Fix segfault in cxgb4 in peer abort cases
- Fix a regression added in 5.7 where the IB_EVENT_DEVICE_FATAL could
be lost, and wasn't delivered to all the FDs"
* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma:
RDMA/uverbs: Move IB_EVENT_DEVICE_FATAL to destroy_uobj
RDMA/uverbs: Do not discard the IB_EVENT_DEVICE_FATAL event
RDMA/iw_cxgb4: Fix incorrect function parameters
RDMA/core: Fix double put of resource
IB/core: Fix potential NULL pointer dereference in pkey cache
IB/hfi1: Fix another case where pq is left on waitlist
IB/i40iw: Remove bogus call to netdev_master_upper_dev_get()
IB/mlx4: Test return value of calls to ib_get_cached_pkey
RDMA/rxe: Always return ERR_PTR from rxe_create_mmap_info()
i40iw: Fix error handling in i40iw_manage_arp_cache()
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Depending on the WRIOP version, the buffer size on the RX path must by a
multiple of 64 or 256. Handle this restriction properly by aligning down
the buffer size to the necessary value. Also, use the new buffer size
dynamically computed instead of the compile time one.
Fixes: 27c874867c4e ("dpaa2-eth: Use a single page per Rx buffer")
Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging
Pull hwmon fixes from Guenter Roeck:
- Fix ADC access synchronization problem with da9052 driver
- Fix temperature limit and status reporting in nct7904 driver
- Fix drivetemp temperature reporting if SCT is supported but SCT data
tables are not.
* tag 'hwmon-for-v5.7-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging:
hwmon: (da9052) Synchronize access with mfd
hwmon: (nct7904) Fix incorrect range of temperature limit registers
hwmon: (nct7904) Read all SMI status registers in probe function
hwmon: (drivetemp) Fix SCT support if SCT data tables are not supported
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Pull drm fixes from Dave Airlie:
"As mentioned last week an i915 PR came in late, but I left it, so the
i915 bits of this cover 2 weeks, which is why it's likely a bit larger
than usual.
Otherwise it's mostly amdgpu fixes, one tegra fix, one meson fix.
i915:
- Handle idling during i915_gem_evict_something busy loops (Chris)
- Mark current submissions with a weak-dependency (Chris)
- Propagate error from completed fences (Chris)
- Fixes on execlist to avoid GPU hang situation (Chris)
- Fixes couple deadlocks (Chris)
- Timeslice preemption fixes (Chris)
- Fix Display Port interrupt handling on Tiger Lake (Imre)
- Reduce debug noise around Frame Buffer Compression (Peter)
- Fix logic around IPC W/a for Coffee Lake and Kaby Lake (Sultan)
- Avoid dereferencing a dead context (Chris)
tegra:
- tegra120/4 smmu fixes
amdgpu:
- Clockgating fixes
- Fix fbdev with scatter/gather display
- S4 fix for navi
- Soft recovery for gfx10
- Freesync fixes
- Atomic check cursor fix
- Add a gfxoff quirk
- MST fix
amdkfd:
- Fix GEM reference counting
meson:
- error code propogation fix"
* tag 'drm-fixes-2020-05-15' of git://anongit.freedesktop.org/drm/drm: (29 commits)
drm/i915: Handle idling during i915_gem_evict_something busy loops
drm/meson: pm resume add return errno branch
drm/amd/amdgpu: Update update_config() logic
drm/amd/amdgpu: add raven1 part to the gfxoff quirk list
drm/i915: Mark concurrent submissions with a weak-dependency
drm/i915: Propagate error from completed fences
drm/i915/gvt: Fix kernel oops for 3-level ppgtt guest
drm/i915/gvt: Init DPLL/DDI vreg for virtual display instead of inheritance.
drm/amd/display: add basic atomic check for cursor plane
drm/amd/display: Fix vblank and pageflip event handling for FreeSync
drm/amdgpu: implement soft_recovery for gfx10
drm/amdgpu: enable hibernate support on Navi1X
drm/amdgpu: Use GEM obj reference for KFD BOs
drm/amdgpu: force fbdev into vram
drm/amd/powerplay: perform PG ungate prior to CG ungate
drm/amdgpu: drop unnecessary cancel_delayed_work_sync on PG ungate
drm/amdgpu: disable MGCG/MGLS also on gfx CG ungate
drm/i915/execlists: Track inflight CCID
drm/i915/execlists: Avoid reusing the same logical CCID
drm/i915/gem: Remove object_is_locked assertion from unpin_from_display_plane
...
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FuzzUSB (a variant of syzkaller) found an illegal array access
using an incorrect index while binding a gadget with UDC.
Reference: https://www.spinics.net/lists/linux-usb/msg194331.html
This bug occurs when a size variable used for a buffer
is misused to access its strcpy-ed buffer.
Given a buffer along with its size variable (taken from user input),
from which, a new buffer is created using kstrdup().
Due to the original buffer containing 0 value in the middle,
the size of the kstrdup-ed buffer becomes smaller than that of the original.
So accessing the kstrdup-ed buffer with the same size variable
triggers memory access violation.
The fix makes sure no zero value in the buffer,
by comparing the strlen() of the orignal buffer with the size variable,
so that the access to the kstrdup-ed buffer is safe.
BUG: KASAN: slab-out-of-bounds in gadget_dev_desc_UDC_store+0x1ba/0x200
drivers/usb/gadget/configfs.c:266
Read of size 1 at addr ffff88806a55dd7e by task syz-executor.0/17208
CPU: 2 PID: 17208 Comm: syz-executor.0 Not tainted 5.6.8 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0xce/0x128 lib/dump_stack.c:118
print_address_description.constprop.4+0x21/0x3c0 mm/kasan/report.c:374
__kasan_report+0x131/0x1b0 mm/kasan/report.c:506
kasan_report+0x12/0x20 mm/kasan/common.c:641
__asan_report_load1_noabort+0x14/0x20 mm/kasan/generic_report.c:132
gadget_dev_desc_UDC_store+0x1ba/0x200 drivers/usb/gadget/configfs.c:266
flush_write_buffer fs/configfs/file.c:251 [inline]
configfs_write_file+0x2f1/0x4c0 fs/configfs/file.c:283
__vfs_write+0x85/0x110 fs/read_write.c:494
vfs_write+0x1cd/0x510 fs/read_write.c:558
ksys_write+0x18a/0x220 fs/read_write.c:611
__do_sys_write fs/read_write.c:623 [inline]
__se_sys_write fs/read_write.c:620 [inline]
__x64_sys_write+0x73/0xb0 fs/read_write.c:620
do_syscall_64+0x9e/0x510 arch/x86/entry/common.c:294
entry_SYSCALL_64_after_hwframe+0x49/0xbe
Signed-off-by: Kyungtae Kim <kt0755@gmail.com>
Reported-and-tested-by: Kyungtae Kim <kt0755@gmail.com>
Cc: Felipe Balbi <balbi@kernel.org>
Cc: stable <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20200510054326.GA19198@pizza01
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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On Tue, May 12, 2020 at 09:36:07PM +0800, Kai-Heng Feng wrote [1]:
> This patch prevents my Raven Ridge xHCI from getting runtime suspend.
The problem described in v5.6 commit 1208f9e1d758c9 ("USB: hub: Fix the
broken detection of USB3 device in SMSC hub") applies solely to the
USB5534B hub [2] present on the Kingfisher Infotainment Carrier Board,
manufactured by Shimafuji Electric Inc [3].
Despite that, the aforementioned commit applied the quirk to _all_ hubs
carrying vendor ID 0x424 (i.e. SMSC), of which there are more [4] than
initially expected. Consequently, the quirk is now enabled on platforms
carrying SMSC/Microchip hub models which potentially don't exhibit the
original issue.
To avoid reports like [1], further limit the quirk's scope to
USB5534B [2], by employing both Vendor and Product ID checks.
Tested on H3ULCB + Kingfisher rev. M05.
[1] https://lore.kernel.org/linux-renesas-soc/73933975-6F0E-40F5-9584-D2B8F615C0F3@canonical.com/
[2] https://www.microchip.com/wwwproducts/en/USB5534B
[3] http://www.shimafuji.co.jp/wp/wp-content/uploads/2018/08/SBEV-RCAR-KF-M06Board_HWSpecificationEN_Rev130.pdf
[4] https://devicehunt.com/search/type/usb/vendor/0424/device/any
Fixes: 1208f9e1d758c9 ("USB: hub: Fix the broken detection of USB3 device in SMSC hub")
Cc: stable@vger.kernel.org # v4.14+
Cc: Alan Stern <stern@rowland.harvard.edu>
Cc: Hardik Gajjar <hgajjar@de.adit-jv.com>
Cc: linux-renesas-soc@vger.kernel.org
Cc: linux-usb@vger.kernel.org
Reported-by: Kai-Heng Feng <kai.heng.feng@canonical.com>
Signed-off-by: Eugeniu Rosca <erosca@de.adit-jv.com>
Tested-by: Kai-Heng Feng <kai.heng.feng@canonical.com>
Link: https://lore.kernel.org/r/20200514220246.13290-1-erosca@de.adit-jv.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb into usb-linus
Felipe writes:
USB: fixes for v5.7-rc6
The main part here are the important fixes for the raw-gadget before it
becomes an ABI. We're adding support for stall/halt/wedge which is
actually pretty important in many situations. There's also a NULL
pointer deref fix.
Apart from raw-gadget, I've included some recent sparse fixes to a few
drivers.
Signed-off-by: Felipe Balbi <balbi@kernel.org>
* tag 'fixes-for-v5.7-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb:
usb: cdns3: gadget: make a bunch of functions static
usb: mtu3: constify struct debugfs_reg32
usb: gadget: udc: atmel: Make some symbols static
usb: raw-gadget: fix null-ptr-deref when reenabling endpoints
usb: raw-gadget: documentation updates
usb: raw-gadget: support stalling/halting/wedging endpoints
usb: raw-gadget: fix gadget endpoint selection
usb: raw-gadget: improve uapi headers comments
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'i2c_demux_pinctrl_probe()'
A call to 'i2c_demux_deactivate_master()' is missing in the error handling
path, as already done in the remove function.
Fixes: 50a5ba876908 ("i2c: mux: demux-pinctrl: add driver")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
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Use a mutex to protect access to idev->msg_len, idev->buf, etc. which
are modified by both altr_i2c_xfer_msg() and altr_i2c_isr().
This is the minimal fix for easy backporting. A cleanup to remove the
spinlock will be added later.
Signed-off-by: Atsushi Nemoto <atsushi.nemoto@sord.co.jp>
Acked-by: Thor Thayer <thor.thayer@linux.intel.com>
[wsa: updated commit message]
Signed-off-by: Wolfram Sang <wsa@kernel.org>
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The 'pengutronix' address is defunct for years. Use the proper contact
address.
Signed-off-by: Wolfram Sang <wsa@kernel.org>
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devm_gpiod_get() usually calls gpio_request_enable() for non-strict pinmux
drivers. These puts the pins in GPIO mode, whithout notifying the pinctrl
driver. At this point, the I2C bus no longer owns the pins. To mux the
pins back to the I2C bus, we use the pinctrl driver to change the state
of the pins to GPIO, before using devm_gpiod_get(). After the pins are
received as GPIOs, we switch theer pinctrl state back to the default
one,
Fixes: d3d3fdcc4c90 ("i2c: at91: implement i2c bus recovery")
Signed-off-by: Codrin Ciubotariu <codrin.ciubotariu@microchip.com>
Acked-by: Ludovic Desroches <ludovic.desroches@microchip.com>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
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git://anongit.freedesktop.org/drm/drm-misc into drm-fixes
Just one meson patch this time to propagate an error code
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Maxime Ripard <maxime@cerno.tech>
Link: https://patchwork.freedesktop.org/patch/msgid/20200514073538.wvdtv5s2mt4wdrdj@gilmour.lan
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git://anongit.freedesktop.org/drm/drm-intel into drm-fixes
- Handle idling during i915_gem_evict_something busy loops (Chris)
- Mark current submissions with a weak-dependency (Chris)
- Propagate errror from completed fences (Chris)
- Fixes on execlist to avoid GPU hang situation (Chris)
- Fixes couple deadlocks (Chris)
- Timeslice preemption fixes (Chris)
- Fix Display Port interrupt handling on Tiger Lake (Imre)
- Reduce debug noise around Frame Buffer Compression
+(Peter)
- Fix logic around IPC W/a for Coffee Lake and Kaby Lake
+(Sultan)
- Avoid dereferencing a dead context (Chris)
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200514040235.GA2164266@intel.com
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This patch fixes the following warning:
=============================
WARNING: suspicious RCU usage
5.7.0-rc5-next-20200514-syzkaller #0 Not tainted
-----------------------------
drivers/net/hamradio/bpqether.c:149 RCU-list traversed in non-reader section!!
Since rtnl lock is held, pass this cond in list_for_each_entry_rcu().
Reported-by: syzbot+bb82cafc737c002d11ca@syzkaller.appspotmail.com
Signed-off-by: Madhuparna Bhowmik <madhuparnabhowmik10@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Set the correct bit when checking for PHY_BRCM_DIS_TXCRXC_NOENRGY on the
BCM54810 PHY.
Fixes: 0ececcfc9267 ("net: phy: broadcom: Allow BCM54810 to use bcm54xx_adjust_rxrefclk()")
Signed-off-by: Kevin Lo <kevlo@kevlo.org>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Move away from the deprecated API.
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Message-Id: <20200326210958.13051-2-wsa+renesas@sang-engineering.com>
Signed-off-by: Corey Minyard <cminyard@mvista.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc
Pull MMC fixes from Ulf Hansson:
"MMC core:
- Fix a couple of quite severe issues for the CQE request path
MMC host:
- alcor: Fix a resource leak in the error path for ->probe()
- sdhci-acpi: Fix the DMA support for the AMD eMMC v5.0 variant
- sdhci-pci-gli: Fix system resume support for GL975x
- sdhci-pci-gli: Fix reboot error for GL9750"
* tag 'mmc-v5.7-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc:
mmc: sdhci-acpi: Add SDHCI_QUIRK2_BROKEN_64_BIT_DMA for AMDI0040
mmc: block: Fix request completion in the CQE timeout path
mmc: core: Fix recursive locking issue in CQE recovery path
mmc: core: Check request type before completing the request
mmc: sdhci-pci-gli: Fix can not access GL9750 after reboot from Windows 10
mmc: alcor: Fix a resource leak in the error path for ->probe()
mmc: sdhci-pci-gli: Fix no irq handler from suspend
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Remove the duplicate "mutex", and change "Motex" to "Mutex". Also I
recommend it's easier for understanding to make the "ready-interrupt"
a bundle for it is a parallel description as "shutdown" which is appended
after the slash.
Signed-off-by: Wang Wenhu <wenhu.wang@vivo.com>
Cc: Alex Elder <elder@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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We don't want to disconnect a session because of a stray PADT arriving
while the interface is in promiscuous mode.
Furthermore, multicast and broadcast packets make no sense here, so
only PACKET_HOST is accepted.
Reported-by: David Balažic <xerces9@gmail.com>
Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")
Signed-off-by: Guillaume Nault <gnault@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Driver missed initializing num_por which is one of the por values that
driver configures to hardware. In order to get these values, add a new
structure ethqos_emac_driver_data which holds por and num_por values
and populate that in driver probe.
Fixes: a7c30e62d4b8 ("net: stmmac: Add driver for Qualcomm ethqos")
Reported-by: Rahul Ankushrao Kawadgave <rahulak@qti.qualcomm.com>
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Reviewed-by: Amit Kucheria <amit.kucheria@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management fix from Rafael Wysocki:
"Prevent the suspend-to-idle internal loop from busy spinning after a
spurious ACPI SCI wakeup in some cases"
* tag 'pm-5.7-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
ACPI: EC: PM: Avoid premature returns from acpi_s2idle_wake()
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In commit 2bef9aed6f0e ("usb: usbfs: correct kernel->user page attribute
mismatch") we switched from always calling remap_pfn_range() to call
dma_mmap_coherent() to handle issues with systems with non-coherent USB host
controller drivers. Unfortunatly, as syzbot quickly told us, not all the world
is host controllers with DMA support, so we need to check what host controller
we are attempting to talk to before doing this type of allocation.
Thanks to Christoph for the quick idea of how to fix this.
Fixes: 2bef9aed6f0e ("usb: usbfs: correct kernel->user page attribute mismatch")
Cc: Christoph Hellwig <hch@lst.de>
Cc: Hillf Danton <hdanton@sina.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Jeremy Linton <jeremy.linton@arm.com>
Cc: stable <stable@vger.kernel.org>
Reported-by: syzbot+353be47c9ce21b68b7ed@syzkaller.appspotmail.com
Reviewed-by: Jeremy Linton <jeremy.linton@arm.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/20200514112711.1858252-1-gregkh@linuxfoundation.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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While removing the host (e.g. for USB role switch from host to device),
if runtime pm is enabled by user, below oops occurs on dwc3 and cdns3
platforms.
Keeping the xhci-plat device active during host removal, and disabling
runtime pm before calling pm_runtime_set_suspended() fixes them.
oops1:
Unable to handle kernel NULL pointer dereference at virtual address
0000000000000240
Internal error: Oops: 96000004 [#1] PREEMPT SMP
Modules linked in:
CPU: 0 PID: 5 Comm: kworker/0:0 Not tainted 5.4.3-00107-g64d454a-dirty
Hardware name: FSL i.MX8MP EVK (DT)
Workqueue: pm pm_runtime_work
pstate: 60000005 (nZCv daif -PAN -UAO)
pc : xhci_suspend+0x34/0x698
lr : xhci_plat_runtime_suspend+0x2c/0x38
sp : ffff800011ddbbc0
Call trace:
xhci_suspend+0x34/0x698
xhci_plat_runtime_suspend+0x2c/0x38
pm_generic_runtime_suspend+0x28/0x40
__rpm_callback+0xd8/0x138
rpm_callback+0x24/0x98
rpm_suspend+0xe0/0x448
rpm_idle+0x124/0x140
pm_runtime_work+0xa0/0xf8
process_one_work+0x1dc/0x370
worker_thread+0x48/0x468
kthread+0xf0/0x120
ret_from_fork+0x10/0x1c
oops2:
usb 2-1: USB disconnect, device number 2
xhci-hcd xhci-hcd.1.auto: remove, state 4
usb usb2: USB disconnect, device number 1
xhci-hcd xhci-hcd.1.auto: USB bus 2 deregistered
xhci-hcd xhci-hcd.1.auto: remove, state 4
usb usb1: USB disconnect, device number 1
Unable to handle kernel NULL pointer dereference at virtual address
0000000000000138
Internal error: Oops: 96000004 [#1] PREEMPT SMP
Modules linked in:
CPU: 2 PID: 7 Comm: kworker/u8:0 Not tainted 5.6.0-rc4-next-20200304-03578
Hardware name: Freescale i.MX8QXP MEK (DT)
Workqueue: 1-0050 tcpm_state_machine_work
pstate: 20000005 (nzCv daif -PAN -UAO)
pc : xhci_free_dev+0x214/0x270
lr : xhci_plat_runtime_resume+0x78/0x88
sp : ffff80001006b5b0
Call trace:
xhci_free_dev+0x214/0x270
xhci_plat_runtime_resume+0x78/0x88
pm_generic_runtime_resume+0x30/0x48
__rpm_callback+0x90/0x148
rpm_callback+0x28/0x88
rpm_resume+0x568/0x758
rpm_resume+0x260/0x758
rpm_resume+0x260/0x758
__pm_runtime_resume+0x40/0x88
device_release_driver_internal+0xa0/0x1c8
device_release_driver+0x1c/0x28
bus_remove_device+0xd4/0x158
device_del+0x15c/0x3a0
usb_disable_device+0xb0/0x268
usb_disconnect+0xcc/0x300
usb_remove_hcd+0xf4/0x1dc
xhci_plat_remove+0x78/0xe0
platform_drv_remove+0x30/0x50
device_release_driver_internal+0xfc/0x1c8
device_release_driver+0x1c/0x28
bus_remove_device+0xd4/0x158
device_del+0x15c/0x3a0
platform_device_del.part.0+0x20/0x90
platform_device_unregister+0x28/0x40
cdns3_host_exit+0x20/0x40
cdns3_role_stop+0x60/0x90
cdns3_role_set+0x64/0xd8
usb_role_switch_set_role.part.0+0x3c/0x68
usb_role_switch_set_role+0x20/0x30
tcpm_mux_set+0x60/0xf8
tcpm_reset_port+0xa4/0xf0
tcpm_detach.part.0+0x28/0x50
tcpm_state_machine_work+0x12ac/0x2360
process_one_work+0x1c8/0x470
worker_thread+0x50/0x428
kthread+0xfc/0x128
ret_from_fork+0x10/0x18
Code: c8037c02 35ffffa3 17ffe7c3 f9800011 (c85f7c01)
---[ end trace 45b1a173d2679e44 ]---
[minor commit message cleanup -Mathias]
Cc: Baolin Wang <baolin.wang@linaro.org>
Cc: <stable@vger.kernel.org>
Fixes: b0c69b4bace3 ("usb: host: plat: Enable xHCI plat runtime PM")
Reviewed-by: Peter Chen <peter.chen@nxp.com>
Tested-by: Peter Chen <peter.chen@nxp.com>
Signed-off-by: Li Jun <jun.li@nxp.com>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Link: https://lore.kernel.org/r/20200514110432.25564-3-mathias.nyman@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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On platforms with IOMMU enabled, multiple SGs can be coalesced into one
by the IOMMU driver. In that case the SG list processing as part of the
completion of a urb on a bulk endpoint can result into a NULL pointer
dereference with the below stack dump.
<6> Unable to handle kernel NULL pointer dereference at virtual address 0000000c
<6> pgd = c0004000
<6> [0000000c] *pgd=00000000
<6> Internal error: Oops: 5 [#1] PREEMPT SMP ARM
<2> PC is at xhci_queue_bulk_tx+0x454/0x80c
<2> LR is at xhci_queue_bulk_tx+0x44c/0x80c
<2> pc : [<c08907c4>] lr : [<c08907bc>] psr: 000000d3
<2> sp : ca337c80 ip : 00000000 fp : ffffffff
<2> r10: 00000000 r9 : 50037000 r8 : 00004000
<2> r7 : 00000000 r6 : 00004000 r5 : 00000000 r4 : 00000000
<2> r3 : 00000000 r2 : 00000082 r1 : c2c1a200 r0 : 00000000
<2> Flags: nzcv IRQs off FIQs off Mode SVC_32 ISA ARM Segment none
<2> Control: 10c0383d Table: b412c06a DAC: 00000051
<6> Process usb-storage (pid: 5961, stack limit = 0xca336210)
<snip>
<2> [<c08907c4>] (xhci_queue_bulk_tx)
<2> [<c0881b3c>] (xhci_urb_enqueue)
<2> [<c0831068>] (usb_hcd_submit_urb)
<2> [<c08350b4>] (usb_sg_wait)
<2> [<c089f384>] (usb_stor_bulk_transfer_sglist)
<2> [<c089f2c0>] (usb_stor_bulk_srb)
<2> [<c089fe38>] (usb_stor_Bulk_transport)
<2> [<c089f468>] (usb_stor_invoke_transport)
<2> [<c08a11b4>] (usb_stor_control_thread)
<2> [<c014a534>] (kthread)
The above NULL pointer dereference is the result of block_len and the
sent_len set to zero after the first SG of the list when IOMMU driver
is enabled. Because of this the loop of processing the SGs has run
more than num_sgs which resulted in a sg_next on the last SG of the
list which has SG_END set.
Fix this by check for the sg before any attributes of the sg are
accessed.
[modified reason for null pointer dereference in commit message subject -Mathias]
Fixes: f9c589e142d04 ("xhci: TD-fragment, align the unsplittable case with a bounce buffer")
Cc: stable@vger.kernel.org
Signed-off-by: Sriharsha Allenki <sallenki@codeaurora.org>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Link: https://lore.kernel.org/r/20200514110432.25564-2-mathias.nyman@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Fix the following sparse warning:
drivers/usb/cdns3/gadget.c:85:6: warning: symbol
'cdns3_clear_register_bit' was not declared. Should it be static?
drivers/usb/cdns3/gadget.c:140:26: warning: symbol
'cdns3_next_align_buf' was not declared. Should it be static?
drivers/usb/cdns3/gadget.c:151:22: warning: symbol
'cdns3_next_priv_request' was not declared. Should it be static?
drivers/usb/cdns3/gadget.c:193:5: warning: symbol 'cdns3_ring_size' was
not declared. Should it be static?
drivers/usb/cdns3/gadget.c:348:6: warning: symbol
'cdns3_move_deq_to_next_trb' was not declared. Should it be static?
drivers/usb/cdns3/gadget.c:514:20: warning: symbol
'cdns3_wa2_gadget_giveback' was not declared. Should it be static?
drivers/usb/cdns3/gadget.c:554:5: warning: symbol
'cdns3_wa2_gadget_ep_queue' was not declared. Should it be static?
drivers/usb/cdns3/gadget.c:839:6: warning: symbol
'cdns3_wa1_restore_cycle_bit' was not declared. Should it be static?
drivers/usb/cdns3/gadget.c:1907:6: warning: symbol
'cdns3_stream_ep_reconfig' was not declared. Should it be static?
drivers/usb/cdns3/gadget.c:1928:6: warning: symbol
'cdns3_configure_dmult' was not declared. Should it be static?
Reported-by: Hulk Robot <hulkci@huawei.com>
Reviewed-by: Peter Chen <peter.chen@nxp.com>
Signed-off-by: Jason Yan <yanaijie@huawei.com>
Signed-off-by: Felipe Balbi <balbi@kernel.org>
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mtu3_prb_regs is never changed and can therefore be made const.
This allows the compiler to put it in the text section instead of the
data section.
Before:
text data bss dec hex filename
19966 7120 0 27086 69ce drivers/usb/mtu3/mtu3_debugfs.o
After:
text data bss dec hex filename
20142 6992 0 27134 69fe drivers/usb/mtu3/mtu3_debugfs.o
Signed-off-by: Rikard Falkeborn <rikard.falkeborn@gmail.com>
Signed-off-by: Felipe Balbi <balbi@kernel.org>
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Fix the following sparse warnings:
drivers/usb/gadget/udc/atmel_usba_udc.c:188:30: warning: symbol 'queue_dbg_fops' was not declared.
drivers/usb/gadget/udc/atmel_usba_udc.c:196:30: warning: symbol 'regs_dbg_fops' was not declared.
queue_dbg_fops and regs_dbg_fops have only call within atmel_usba_udc.c
They should be static
Fixes: 914a3f3b3754 ("USB: add atmel_usba_udc driver")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Samuel Zou <zou_wei@huawei.com>
Signed-off-by: Felipe Balbi <balbi@kernel.org>
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Currently we preassign gadget endpoints to raw-gadget endpoints during
initialization. Fix resetting this assignment in raw_ioctl_ep_disable(),
otherwise we will get null-ptr-derefs when an endpoint is reenabled.
Signed-off-by: Andrey Konovalov <andreyknvl@google.com>
Signed-off-by: Felipe Balbi <balbi@kernel.org>
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Raw Gadget is currently unable to stall/halt/wedge gadget endpoints,
which is required for proper emulation of certain USB classes.
This patch adds a few more ioctls:
- USB_RAW_IOCTL_EP0_STALL allows to stall control endpoint #0 when
there's a pending setup request for it.
- USB_RAW_IOCTL_SET/CLEAR_HALT/WEDGE allow to set/clear halt/wedge status
on non-control non-isochronous endpoints.
Fixes: f2c2e717642c ("usb: gadget: add raw-gadget interface")
Signed-off-by: Andrey Konovalov <andreyknvl@google.com>
Signed-off-by: Felipe Balbi <balbi@kernel.org>
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Currently automatic gadget endpoint selection based on required features
doesn't work. Raw Gadget tries iterating over the list of available
endpoints and finding one that has the right direction and transfer type.
Unfortunately selecting arbitrary gadget endpoints (even if they satisfy
feature requirements) doesn't work, as (depending on the UDC driver) they
might have fixed addresses, and one also needs to provide matching
endpoint addresses in the descriptors sent to the host.
The composite framework deals with this by assigning endpoint addresses
in usb_ep_autoconfig() before enumeration starts. This approach won't work
with Raw Gadget as the endpoints are supposed to be enabled after a
set_configuration/set_interface request from the host, so it's too late to
patch the endpoint descriptors that had already been sent to the host.
For Raw Gadget we take another approach. Similarly to GadgetFS, we allow
the user to make the decision as to which gadget endpoints to use.
This patch adds another Raw Gadget ioctl USB_RAW_IOCTL_EPS_INFO that
exposes information about all non-control endpoints that a currently
connected UDC has. This information includes endpoints addresses, as well
as their capabilities and limits to allow the user to choose the most
fitting gadget endpoint.
The USB_RAW_IOCTL_EP_ENABLE ioctl is updated to use the proper endpoint
validation routine usb_gadget_ep_match_desc().
These changes affect the portability of the gadgets that use Raw Gadget
when running on different UDCs. Nevertheless, as long as the user relies
on the information provided by USB_RAW_IOCTL_EPS_INFO to dynamically
choose endpoint addresses, UDC-agnostic gadgets can still be written with
Raw Gadget.
Fixes: f2c2e717642c ("usb: gadget: add raw-gadget interface")
Signed-off-by: Andrey Konovalov <andreyknvl@google.com>
Signed-off-by: Felipe Balbi <balbi@kernel.org>
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git://people.freedesktop.org/~agd5f/linux into drm-fixes
amd-drm-fixes-5.7-2020-05-13:
amdgpu:
- Clockgating fixes
- Fix fbdev with scatter/gather display
- S4 fix for navi
- Soft recovery for gfx10
- Freesync fixes
- Atomic check cursor fix
- Add a gfxoff quirk
- MST fix
amdkfd:
- Fix GEM reference counting
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Alex Deucher <alexdeucher@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200514034046.3988-1-alexander.deucher@amd.com
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git://anongit.freedesktop.org/tegra/linux into drm-fixes
drm/tegra: Fixes for v5.7
This contains a pair of patches which fix SMMU support on Tegra124 and
Tegra210 for host1x and the Tegra DRM driver.
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Thierry Reding <thierry.reding@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200508101355.3031268-1-thierry.reding@gmail.com
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git://anongit.freedesktop.org/drm/drm-intel into drm-fixes
- Fixes on execlist to avoid GPU hang situation (Chris)
- Fixes couple deadlocks (Chris)
- Timeslice preemption fixes (Chris)
- Fix Display Port interrupt handling on Tiger Lake (Imre)
- Reduce debug noise around Frame Buffer Compression (Peter)
- Fix logic around IPC W/a for Coffee Lake and Kaby Lake (Sultan)
- Avoid dereferencing a dead context (Chris)
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200508052437.GA3212215@intel.com
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