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* refs/heads/tmp-93ec8fb
Linux 4.4.197
xfs: clear sb->s_fs_info on mount failure
x86/asm: Fix MWAITX C-state hint value
tracing: Get trace_array reference for available_tracers files
media: stkwebcam: fix runtime PM after driver unbind
CIFS: Force revalidate inode when dentry is stale
cifs: Check uniqueid for SMB2+ and return -ESTALE if necessary
Staging: fbtft: fix memory leak in fbtft_framebuffer_alloc
arm64: Rename cpuid_feature field extract routines
arm64: capabilities: Handle sign of the feature bit
kernel/sysctl.c: do not override max_threads provided by userspace
CIFS: Force reval dentry if LOOKUP_REVAL flag is set
CIFS: Gracefully handle QueryInfo errors during open
perf llvm: Don't access out-of-scope array
iio: light: opt3001: fix mutex unlock race
iio: adc: ad799x: fix probe error handling
staging: vt6655: Fix memory leak in vt6655_probe
USB: legousbtower: fix use-after-free on release
USB: legousbtower: fix open after failed reset request
USB: legousbtower: fix potential NULL-deref on disconnect
USB: legousbtower: fix deadlock on disconnect
USB: legousbtower: fix slab info leak at probe
usb: renesas_usbhs: gadget: Fix usb_ep_set_{halt,wedge}() behavior
usb: renesas_usbhs: gadget: Do not discard queues in usb_ep_set_{halt,wedge}()
USB: dummy-hcd: fix power budget for SuperSpeed mode
USB: microtek: fix info-leak at probe
USB: usblcd: fix I/O after disconnect
USB: serial: fix runtime PM after driver unbind
USB: serial: option: add support for Cinterion CLS8 devices
USB: serial: option: add Telit FN980 compositions
USB: serial: ftdi_sio: add device IDs for Sienna and Echelon PL-20
USB: serial: keyspan: fix NULL-derefs on open() and write()
serial: uartlite: fix exit path null pointer
USB: ldusb: fix NULL-derefs on driver unbind
USB: chaoskey: fix use-after-free on release
USB: usblp: fix runtime PM after driver unbind
USB: iowarrior: fix use-after-free after driver unbind
USB: iowarrior: fix use-after-free on release
USB: iowarrior: fix use-after-free on disconnect
USB: adutux: fix use-after-free on release
USB: adutux: fix NULL-derefs on disconnect
USB: adutux: fix use-after-free on disconnect
USB: adutux: remove redundant variable minor
xhci: Increase STS_SAVE timeout in xhci_suspend()
usb: xhci: wait for CNR controller not ready bit in xhci resume
xhci: Check all endpoints for LPM timeout
xhci: Prevent device initiated U1/U2 link pm if exit latency is too long
USB: usb-skeleton: fix NULL-deref on disconnect
USB: usb-skeleton: fix runtime PM after driver unbind
USB: yurex: fix NULL-derefs on disconnect
USB: yurex: Don't retry on unexpected errors
USB: rio500: Remove Rio 500 kernel driver
panic: ensure preemption is disabled during panic()
ASoC: sgtl5000: Improve VAG power and mute control
nl80211: validate beacon head
cfg80211: Use const more consistently in for_each_element macros
cfg80211: add and use strongly typed element iteration macros
crypto: caam - fix concurrency issue in givencrypt descriptor
perf stat: Fix a segmentation fault when using repeat forever
tools lib traceevent: Do not free tep->cmdlines in add_new_comm() on failure
kernel/elfcore.c: include proper prototypes
fuse: fix memleak in cuse_channel_open
thermal: Fix use-after-free when unregistering thermal zone device
drm/amdgpu: Check for valid number of registers to read
ceph: fix directories inode i_blkbits initialization
xen/pci: reserve MCFG areas earlier
9p: avoid attaching writeback_fid on mmap with type PRIVATE
fs: nfs: Fix possible null-pointer dereferences in encode_attrs()
ima: always return negative code for error
cfg80211: initialize on-stack chandefs
ieee802154: atusb: fix use-after-free at disconnect
crypto: qat - Silence smp_processor_id() warning
can: mcp251x: mcp251x_hw_reset(): allow more time after a reset
powerpc/powernv: Restrict OPAL symbol map to only be readable by root
ASoC: Define a set of DAPM pre/post-up events
KVM: nVMX: handle page fault in vmread fix
s390/cio: exclude subchannels with no parent from pseudo check
s390/cio: avoid calling strlen on null pointer
s390/topology: avoid firing events before kobjs are created
KVM: s390: Test for bad access register and size at the start of S390_MEM_OP
Change-Id: I948ef653eafcff32197e1886e13548b32be2d0ad
Signed-off-by: Srinivasarao P <spathi@codeaurora.org>
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commit 015664d15270a112c2371d812f03f7c579b35a73 upstream.
The Rio500 kernel driver has not been used by Rio500 owners since 2001
not long after the rio500 project added support for a user-space USB stack
through the very first versions of usbdevfs and then libusb.
Support for the kernel driver was removed from the upstream utilities
in 2008:
https://gitlab.freedesktop.org/hadess/rio500/commit/943f624ab721eb8281c287650fcc9e2026f6f5db
Cc: Cesar Miquel <miquel@df.uba.ar>
Signed-off-by: Bastien Nocera <hadess@hadess.net>
Cc: stable <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/6251c17584d220472ce882a3d9c199c401a51a71.camel@hadess.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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* refs/heads/tmp-71cb827
Linux 4.4.180
powerpc/lib: fix book3s/32 boot failure due to code patching
powerpc/booke64: set RI in default MSR
drivers/virt/fsl_hypervisor.c: prevent integer overflow in ioctl
drivers/virt/fsl_hypervisor.c: dereferencing error pointers in ioctl
bonding: fix arp_validate toggling in active-backup mode
ipv4: Fix raw socket lookup for local traffic
vrf: sit mtu should not be updated when vrf netdev is the link
vlan: disable SIOCSHWTSTAMP in container
packet: Fix error path in packet_init
net: ucc_geth - fix Oops when changing number of buffers in the ring
bridge: Fix error path for kobject_init_and_add()
powerpc/64s: Include cpu header
USB: serial: fix unthrottle races
USB: serial: use variable for status
x86/bugs: Change L1TF mitigation string to match upstream
x86/speculation/mds: Fix documentation typo
Documentation: Correct the possible MDS sysfs values
x86/mds: Add MDSUM variant to the MDS documentation
x86/speculation/mds: Add 'mitigations=' support for MDS
x86/speculation: Support 'mitigations=' cmdline option
cpu/speculation: Add 'mitigations=' cmdline option
x86/speculation/mds: Print SMT vulnerable on MSBDS with mitigations off
x86/speculation/mds: Fix comment
x86/speculation/mds: Add SMT warning message
x86/speculation: Move arch_smt_update() call to after mitigation decisions
x86/cpu/bugs: Use __initconst for 'const' init data
Documentation: Add MDS vulnerability documentation
Documentation: Move L1TF to separate directory
x86/speculation/mds: Add mitigation mode VMWERV
x86/speculation/mds: Add sysfs reporting for MDS
x86/speculation/l1tf: Document l1tf in sysfs
x86/speculation/mds: Add mitigation control for MDS
x86/speculation/mds: Conditionally clear CPU buffers on idle entry
x86/speculation/mds: Clear CPU buffers on exit to user
x86/speculation/mds: Add mds_clear_cpu_buffers()
x86/kvm: Expose X86_FEATURE_MD_CLEAR to guests
x86/speculation/mds: Add BUG_MSBDS_ONLY
x86/speculation/mds: Add basic bug infrastructure for MDS
x86/speculation: Consolidate CPU whitelists
x86/msr-index: Cleanup bit defines
kvm: x86: Report STIBP on GET_SUPPORTED_CPUID
x86/speculation: Provide IBPB always command line options
x86/speculation: Add seccomp Spectre v2 user space protection mode
x86/speculation: Enable prctl mode for spectre_v2_user
x86/speculation: Add prctl() control for indirect branch speculation
x86/speculation: Prevent stale SPEC_CTRL msr content
x86/speculation: Prepare arch_smt_update() for PRCTL mode
x86/speculation: Split out TIF update
x86/speculation: Prepare for conditional IBPB in switch_mm()
x86/speculation: Avoid __switch_to_xtra() calls
x86/process: Consolidate and simplify switch_to_xtra() code
x86/speculation: Prepare for per task indirect branch speculation control
x86/speculation: Add command line control for indirect branch speculation
x86/speculation: Unify conditional spectre v2 print functions
x86/speculataion: Mark command line parser data __initdata
x86/speculation: Mark string arrays const correctly
x86/speculation: Reorder the spec_v2 code
x86/speculation: Rework SMT state change
sched: Add sched_smt_active()
x86/Kconfig: Select SCHED_SMT if SMP enabled
x86/speculation: Reorganize speculation control MSRs update
x86/speculation: Rename SSBD update functions
x86/speculation: Disable STIBP when enhanced IBRS is in use
x86/speculation: Move STIPB/IBPB string conditionals out of cpu_show_common()
x86/speculation: Remove unnecessary ret variable in cpu_show_common()
x86/speculation: Clean up spectre_v2_parse_cmdline()
x86/speculation: Update the TIF_SSBD comment
x86/speculation: Propagate information about RSB filling mitigation to sysfs
x86/speculation: Enable cross-hyperthread spectre v2 STIBP mitigation
x86/speculation: Apply IBPB more strictly to avoid cross-process data leak
x86/mm: Use WRITE_ONCE() when setting PTEs
KVM: x86: SVM: Call x86_spec_ctrl_set_guest/host() with interrupts disabled
x86/cpu: Sanitize FAM6_ATOM naming
x86/microcode: Update the new microcode revision unconditionally
x86/microcode: Make sure boot_cpu_data.microcode is up-to-date
x86/speculation: Remove SPECTRE_V2_IBRS in enum spectre_v2_mitigation
x86/bugs: Fix the AMD SSBD usage of the SPEC_CTRL MSR
locking/atomics, asm-generic: Move some macros from <linux/bitops.h> to a new <linux/bits.h> file
x86/bugs: Switch the selection of mitigation from CPU vendor to CPU features
x86/bugs: Add AMD's SPEC_CTRL MSR usage
x86/bugs: Add AMD's variant of SSB_NO
x86/speculation: Simplify the CPU bug detection logic
x86/speculation: Support Enhanced IBRS on future CPUs
x86/cpufeatures: Hide AMD-specific speculation flags
x86/MCE: Save microcode revision in machine check records
x86/microcode/intel: Check microcode revision before updating sibling threads
bitops: avoid integer overflow in GENMASK(_ULL)
x86: stop exporting msr-index.h to userland
x86/microcode/intel: Add a helper which gives the microcode revision
locking/static_keys: Provide DECLARE and well as DEFINE macros
Don't jump to compute_result state from check_result state
x86/vdso: Pass --eh-frame-hdr to the linker
cw1200: fix missing unlock on error in cw1200_hw_scan()
gpu: ipu-v3: dp: fix CSC handling
selftests/net: correct the return value for run_netsocktests
s390: ctcm: fix ctcm_new_device error return code
ipvs: do not schedule icmp errors from tunnels
init: initialize jump labels before command line option parsing
tools lib traceevent: Fix missing equality check for strcmp
KVM: x86: avoid misreporting level-triggered irqs as edge-triggered in tracing
s390/3270: fix lockdep false positive on view->lock
s390/dasd: Fix capacity calculation for large volumes
libnvdimm/btt: Fix a kmemdup failure check
HID: input: add mapping for keyboard Brightness Up/Down/Toggle keys
HID: input: add mapping for Expose/Overview key
iio: adc: xilinx: fix potential use-after-free on remove
platform/x86: sony-laptop: Fix unintentional fall-through
netfilter: compat: initialize all fields in xt_init
timer/debug: Change /proc/timer_stats from 0644 to 0600
ASoC: Intel: avoid Oops if DMA setup fails
ipv6: fix a potential deadlock in do_ipv6_setsockopt()
UAS: fix alignment of scatter/gather segments
Bluetooth: Align minimum encryption key size for LE and BR/EDR connections
Bluetooth: hidp: fix buffer overflow
scsi: qla2xxx: Fix incorrect region-size setting in optrom SYSFS routines
usb: dwc3: Fix default lpm_nyet_threshold value
genirq: Prevent use-after-free and work list corruption
iommu/amd: Set exclusion range correctly
scsi: csiostor: fix missing data copy in csio_scsi_err_handler()
perf/x86/intel: Fix handling of wakeup_events for multi-entry PEBS
ASoC: tlv320aic32x4: Fix Common Pins
ASoC: cs4270: Set auto-increment bit for register writes
ASoC:soc-pcm:fix a codec fixup issue in TDM case
scsi: libsas: fix a race condition when smp task timeout
media: v4l2: i2c: ov7670: Fix PLL bypass register values
x86/mce: Improve error message when kernel cannot recover, p2
selinux: never allow relabeling on context mounts
Input: snvs_pwrkey - initialize necessary driver data before enabling IRQ
staging: iio: adt7316: fix the dac write calculation
staging: iio: adt7316: fix the dac read calculation
staging: iio: adt7316: allow adt751x to use internal vref for all dacs
usb: usbip: fix isoc packet num validation in get_pipe
ARM: iop: don't use using 64-bit DMA masks
ARM: orion: don't use using 64-bit DMA masks
xsysace: Fix error handling in ace_setup
hugetlbfs: fix memory leak for resv_map
net: hns: Fix WARNING when remove HNS driver with SMMU enabled
net: hns: Use NAPI_POLL_WEIGHT for hns driver
scsi: storvsc: Fix calculation of sub-channel count
vfio/pci: use correct format characters
rtc: da9063: set uie_unsupported when relevant
debugfs: fix use-after-free on symlink traversal
jffs2: fix use-after-free on symlink traversal
bonding: show full hw address in sysfs for slave entries
igb: Fix WARN_ONCE on runtime suspend
rtc: sh: Fix invalid alarm warning for non-enabled alarm
HID: debug: fix race condition with between rdesc_show() and device removal
USB: core: Fix bug caused by duplicate interface PM usage counter
USB: core: Fix unterminated string returned by usb_string()
USB: w1 ds2490: Fix bug caused by improper use of altsetting array
USB: yurex: Fix protection fault after device removal
packet: validate msg_namelen in send directly
bnxt_en: Improve multicast address setup logic.
ipv6: invert flowlabel sharing check in process and user mode
ipv6/flowlabel: wait rcu grace period before put_pid()
ipv4: ip_do_fragment: Preserve skb_iif during fragmentation
ALSA: line6: use dynamic buffers
vfio/type1: Limit DMA mappings per container
kconfig/[mn]conf: handle backspace (^H) key
libata: fix using DMA buffers on stack
scsi: zfcp: reduce flood of fcrscn1 trace records on multi-element RSCN
ceph: fix use-after-free on symlink traversal
usb: u132-hcd: fix resource leak
scsi: qla4xxx: fix a potential NULL pointer dereference
net: ethernet: ti: fix possible object reference leak
net: ibm: fix possible object reference leak
net: xilinx: fix possible object reference leak
net: ks8851: Set initial carrier state to down
net: ks8851: Delay requesting IRQ until opened
net: ks8851: Reassert reset pin if chip ID check fails
net: ks8851: Dequeue RX packets explicitly
ARM: dts: pfla02: increase phy reset duration
usb: gadget: net2272: Fix net2272_dequeue()
usb: gadget: net2280: Fix net2280_dequeue()
usb: gadget: net2280: Fix overrun of OUT messages
sc16is7xx: missing unregister/delete driver on error in sc16is7xx_init()
netfilter: bridge: set skb transport_header before entering NF_INET_PRE_ROUTING
qlcnic: Avoid potential NULL pointer dereference
usbnet: ipheth: fix potential null pointer dereference in ipheth_carrier_set
usbnet: ipheth: prevent TX queue timeouts when device not ready
Documentation: Add nospectre_v1 parameter
powerpc/fsl: Add FSL_PPC_BOOK3E as supported arch for nospectre_v2 boot arg
powerpc/fsl: Fixed warning: orphan section `__btb_flush_fixup'
powerpc/fsl: Sanitize the syscall table for NXP PowerPC 32 bit platforms
powerpc/fsl: Flush the branch predictor at each kernel entry (32 bit)
powerpc/fsl: Emulate SPRN_BUCSR register
powerpc/fsl: Flush branch predictor when entering KVM
powerpc/fsl: Enable runtime patching if nospectre_v2 boot arg is used
ipv4: set the tcp_min_rtt_wlen range from 0 to one day
net: stmmac: move stmmac_check_ether_addr() to driver probe
team: fix possible recursive locking when add slaves
ipv4: add sanity checks in ipv4_link_failure()
Revert "block/loop: Use global lock for ioctl() operation."
bpf: reject wrong sized filters earlier
tipc: check link name with right length in tipc_nl_compat_link_set
tipc: check bearer name with right length in tipc_nl_compat_bearer_enable
netfilter: ebtables: CONFIG_COMPAT: drop a bogus WARN_ON
NFS: Forbid setting AF_INET6 to "struct sockaddr_in"->sin_family.
fs/proc/proc_sysctl.c: Fix a NULL pointer dereference
intel_th: gth: Fix an off-by-one in output unassigning
slip: make slhc_free() silently accept an error pointer
tipc: handle the err returned from cmd header function
powerpc/fsl: Fix the flush of branch predictor.
powerpc/security: Fix spectre_v2 reporting
powerpc/fsl: Update Spectre v2 reporting
powerpc/fsl: Flush the branch predictor at each kernel entry (64bit)
powerpc/fsl: Add nospectre_v2 command line argument
powerpc/fsl: Fix spectre_v2 mitigations reporting
powerpc/fsl: Add macro to flush the branch predictor
powerpc/fsl: Add infrastructure to fixup branch predictor flush
powerpc: Avoid code patching freed init sections
powerpc/powernv: Query firmware for count cache flush settings
powerpc/pseries: Query hypervisor for count cache flush settings
powerpc/64s: Add support for software count cache flush
powerpc/64s: Add new security feature flags for count cache flush
powerpc/asm: Add a patch_site macro & helpers for patching instructions
powerpc/fsl: Add barrier_nospec implementation for NXP PowerPC Book3E
powerpc/64: Make meltdown reporting Book3S 64 specific
powerpc/64: Call setup_barrier_nospec() from setup_arch()
powerpc/64: Add CONFIG_PPC_BARRIER_NOSPEC
powerpc/64: Make stf barrier PPC_BOOK3S_64 specific.
powerpc/64: Disable the speculation barrier from the command line
powerpc64s: Show ori31 availability in spectre_v1 sysfs file not v2
powerpc/64s: Enhance the information in cpu_show_spectre_v1()
powerpc: Use barrier_nospec in copy_from_user()
powerpc/64: Use barrier_nospec in syscall entry
powerpc/64s: Enable barrier_nospec based on firmware settings
powerpc/64s: Patch barrier_nospec in modules
powerpc/64s: Add support for ori barrier_nospec patching
powerpc/64s: Add barrier_nospec
powerpc/64s: Add support for a store forwarding barrier at kernel entry/exit
powerpc/64s: Fix section mismatch warnings from setup_rfi_flush()
powerpc/pseries: Restore default security feature flags on setup
powerpc: Move default security feature flags
powerpc/pseries: Fix clearing of security feature flags
powerpc/64s: Wire up cpu_show_spectre_v2()
powerpc/64s: Wire up cpu_show_spectre_v1()
powerpc/pseries: Use the security flags in pseries_setup_rfi_flush()
powerpc/powernv: Use the security flags in pnv_setup_rfi_flush()
powerpc/64s: Enhance the information in cpu_show_meltdown()
powerpc/64s: Move cpu_show_meltdown()
powerpc/powernv: Set or clear security feature flags
powerpc/pseries: Set or clear security feature flags
powerpc: Add security feature flags for Spectre/Meltdown
powerpc/rfi-flush: Call setup_rfi_flush() after LPM migration
powerpc/pseries: Add new H_GET_CPU_CHARACTERISTICS flags
powerpc/rfi-flush: Differentiate enabled and patched flush types
powerpc/rfi-flush: Always enable fallback flush on pseries
powerpc/rfi-flush: Make it possible to call setup_rfi_flush() again
powerpc/rfi-flush: Move the logic to avoid a redo into the debugfs code
powerpc/powernv: Support firmware disable of RFI flush
powerpc/pseries: Support firmware disable of RFI flush
powerpc/64s: Improve RFI L1-D cache flush fallback
powerpc/xmon: Add RFI flush related fields to paca dump
USB: Consolidate LPM checks to avoid enabling LPM twice
USB: Add new USB LPM helpers
sunrpc: don't mark uninitialised items as VALID.
nfsd: Don't release the callback slot unless it was actually held
ceph: fix ci->i_head_snapc leak
ceph: ensure d_name stability in ceph_dentry_hash()
sched/numa: Fix a possible divide-by-zero
trace: Fix preempt_enable_no_resched() abuse
MIPS: scall64-o32: Fix indirect syscall number load
cifs: do not attempt cifs operation on smb2+ rename error
KVM: fail KVM_SET_VCPU_EVENTS with invalid exception number
kbuild: simplify ld-option implementation
ANDROID: cuttlefish_defconfig: Disable DEVTMPFS
ANDROID: Move from clang r349610 to r353983c.
f2fs: fix to avoid accessing xattr across the boundary
f2fs: fix to avoid potential race on sbi->unusable_block_count access/update
f2fs: add tracepoint for f2fs_filemap_fault()
f2fs: introduce DATA_GENERIC_ENHANCE
f2fs: fix to handle error in f2fs_disable_checkpoint()
f2fs: remove redundant check in f2fs_file_write_iter()
f2fs: fix to be aware of readonly device in write_checkpoint()
f2fs: fix to skip recovery on readonly device
f2fs: fix to consider multiple device for readonly check
f2fs: relocate chksum_offset for large_nat_bitmap feature
f2fs: allow unfixed f2fs_checkpoint.checksum_offset
f2fs: Replace spaces with tab
f2fs: insert space before the open parenthesis '('
f2fs: allow address pointer number of dnode aligning to specified size
f2fs: introduce f2fs_read_single_page() for cleanup
f2fs: mark is_extension_exist() inline
f2fs: fix to set FI_UPDATE_WRITE correctly
f2fs: fix to avoid panic in f2fs_inplace_write_data()
f2fs: fix to do sanity check on valid block count of segment
f2fs: fix to do sanity check on valid node/block count
f2fs: fix to avoid panic in do_recover_data()
f2fs: fix to do sanity check on free nid
f2fs: fix to do checksum even if inode page is uptodate
f2fs: fix to avoid panic in f2fs_remove_inode_page()
f2fs: fix to clear dirty inode in error path of f2fs_iget()
f2fs: remove new blank line of f2fs kernel message
f2fs: fix wrong __is_meta_io() macro
f2fs: fix to avoid panic in dec_valid_node_count()
f2fs: fix to avoid panic in dec_valid_block_count()
f2fs: fix to use inline space only if inline_xattr is enable
f2fs: fix to retrieve inline xattr space
f2fs: fix error path of recovery
f2fs: fix to avoid deadloop in foreground GC
f2fs: data: fix warning Using plain integer as NULL pointer
f2fs: add tracepoint for f2fs_file_write_iter()
f2fs: add comment for conditional compilation statement
f2fs: fix potential recursive call when enabling data_flush
f2fs: improve discard handling with multi-device volumes
f2fs: Reduce zoned block device memory usage
f2fs: Fix use of number of devices
Sleepable function handle_lmk_event() is called in atomic context,
so ignored the commit "ANDROID: Communicates LMK events to userland
where they can be logged"
Conflicts:
arch/powerpc/include/asm/uaccess.h
kernel/cpu.c
kernel/irq/manage.c
kernel/time/timer_stats.c
net/ipv4/sysctl_net_ipv4.c
Change-Id: I3e5bd447057b44a28fc5000403198ae0fd644480
Signed-off-by: Srinivasarao P <spathi@codeaurora.org>
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commit c2b71462d294cf517a0bc6e4fd6424d7cee5596f upstream.
The syzkaller fuzzer reported a bug in the USB hub driver which turned
out to be caused by a negative runtime-PM usage counter. This allowed
a hub to be runtime suspended at a time when the driver did not expect
it. The symptom is a WARNING issued because the hub's status URB is
submitted while it is already active:
URB 0000000031fb463e submitted while active
WARNING: CPU: 0 PID: 2917 at drivers/usb/core/urb.c:363
The negative runtime-PM usage count was caused by an unfortunate
design decision made when runtime PM was first implemented for USB.
At that time, USB class drivers were allowed to unbind from their
interfaces without balancing the usage counter (i.e., leaving it with
a positive count). The core code would take care of setting the
counter back to 0 before allowing another driver to bind to the
interface.
Later on when runtime PM was implemented for the entire kernel, the
opposite decision was made: Drivers were required to balance their
runtime-PM get and put calls. In order to maintain backward
compatibility, however, the USB subsystem adapted to the new
implementation by keeping an independent usage counter for each
interface and using it to automatically adjust the normal usage
counter back to 0 whenever a driver was unbound.
This approach involves duplicating information, but what is worse, it
doesn't work properly in cases where a USB class driver delays
decrementing the usage counter until after the driver's disconnect()
routine has returned and the counter has been adjusted back to 0.
Doing so would cause the usage counter to become negative. There's
even a warning about this in the USB power management documentation!
As it happens, this is exactly what the hub driver does. The
kick_hub_wq() routine increments the runtime-PM usage counter, and the
corresponding decrement is carried out by hub_event() in the context
of the hub_wq work-queue thread. This work routine may sometimes run
after the driver has been unbound from its interface, and when it does
it causes the usage counter to go negative.
It is not possible for hub_disconnect() to wait for a pending
hub_event() call to finish, because hub_disconnect() is called with
the device lock held and hub_event() acquires that lock. The only
feasible fix is to reverse the original design decision: remove the
duplicate interface-specific usage counter and require USB drivers to
balance their runtime PM gets and puts. As far as I know, all
existing drivers currently do this.
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Reported-and-tested-by: syzbot+7634edaea4d0b341c625@syzkaller.appspotmail.com
CC: <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This patch adds a new function 'f_uac1'
(f_uac1 with virtual "ALSA card") that
uses recently created u_audio API. Comparing
to legacy f_uac1 function implementation it
doesn't require any real Audio codec to be
present on the device. In f_uac1 audio
streams are simply sinked to and sourced
from a virtual ALSA sound card created
using u_audio API.
Legacy f_uac1 approach is to write audio
samples directly to existing ALSA sound
card
f_uac1 approach is more generic/flexible
one - create an ALSA sound card that
represents USB Audio function and allows to
be used by userspace application that
may choose to do whatever it wants with the
data received from the USB Host and choose
to provide whatever it wants as audio data
to the USB Host.
f_uac1 also has capture support (gadget->host)
thanks to easy implementation via u_audio.
By default, capture interface has 48000kHz/2ch
configuration, same as playback channel has.
f_uac1 descriptors naming convention
uses f_uac2 driver naming convention that
makes it more common and meaningful.
Comparing to f_uac1_legacy, the f_uac1 doesn't
have volume/mute functionality. This is because
the f_uac1 volume/mute feature unit was dummy
implementation since that driver creation (2009)
and never had any real volume control or mute
functionality, so there is no any difference
here.
Since f_uac1 functionality, exposed
interface to userspace (virtual ALSA card),
input parameters are so different comparing
to f_uac1_legacy, that there is no any
reason to keep them in the same file/module,
and separate function was created.
g_audio can be built using one of existing
UAC functions (f_uac1, f_uac1_legacy or f_uac2)
Change-Id: Ie47604cd098e9abc51c38a25132249933e190e4c
Signed-off-by: Ruslan Bilovol <ruslan.bilovol@gmail.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
Git-commit: 0591bc2360152f851e29246884805bb77a2c3b9d
Git-repo: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
[ajaya@codeaurora.org: resolve trivial merge conflicts]
Signed-off-by: Ajay Agarwal <ajaya@codeaurora.org>
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Before introducing new f_uac1 function (with virtual
ALSA card) make current implementation legacy.
This includes renaming of existing files, some
variables, config options and documentation
Change-Id: I0e67a74a84416e6325725fc4b7d907d3c89a70e1
Signed-off-by: Ruslan Bilovol <ruslan.bilovol@gmail.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
Git-commit: d355339eecd986648420e05f8c958fbc78dbb382
Git-repo: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
[ajaya@codeaurora.org: resolve trivial merge conflicts]
Signed-off-by: Ajay Agarwal <ajaya@codeaurora.org>
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There are only two requests for uac2, it may not be enough at high
loading system which usb interrupt handler can't be serviced on
time, then the data will be lost since it is isoc transfer for audio.
In this patch, we introduce a parameter for the number for usb request,
and the user can override it if current number for request is not enough
for his/her use case.
Besides, update this parameter for legacy audio gadget and documentation.
Change-Id: I6d85f82eb3d93bb9e547855780d266bb095ca6b2
Signed-off-by: Peter Chen <peter.chen@nxp.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
Git-commit: e92b9d449d0490800160bfeb5ee1175a02979f47
Git-repo: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Signed-off-by: Ajay Agarwal <ajaya@codeaurora.org>
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This reverts commit 8d17be60a0d7695f77b13ba476631df6e7bdb41a.
Required for clean picking of UAC opensource changes.
Change-Id: I4b1e58e4bf17f25abfb9ae6f3a9d4ad51293c586
Signed-off-by: Ajay Agarwal <ajaya@codeaurora.org>
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This reverts commit 8706efd80958ef729efe7f1cc0c5a994ce26f071.
Required for clean picking of UAC opensource changes.
Change-Id: I5cd6d43ffce71db0bad71ea43e97a40703fb61cf
Signed-off-by: Ajay Agarwal <ajaya@codeaurora.org>
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This patch adds a new function 'f_uac1'
(f_uac1 with virtual "ALSA card") that
uses recently created u_audio API. Comparing
to legacy f_uac1 function implementation it
doesn't require any real Audio codec to be
present on the device. In f_uac1 audio
streams are simply sinked to and sourced
from a virtual ALSA sound card created
using u_audio API.
Legacy f_uac1 approach is to write audio
samples directly to existing ALSA sound
card
f_uac1 approach is more generic/flexible
one - create an ALSA sound card that
represents USB Audio function and allows to
be used by userspace application that
may choose to do whatever it wants with the
data received from the USB Host and choose
to provide whatever it wants as audio data
to the USB Host.
f_uac1 also has capture support (gadget->host)
thanks to easy implementation via u_audio.
By default, capture interface has 48000kHz/2ch
configuration, same as playback channel has.
f_uac1 descriptors naming convention
uses f_uac2 driver naming convention that
makes it more common and meaningful.
Comparing to f_uac1_legacy, the f_uac1 doesn't
have volume/mute functionality. This is because
the f_uac1 volume/mute feature unit was dummy
implementation since that driver creation (2009)
and never had any real volume control or mute
functionality, so there is no any difference
here.
Since f_uac1 functionality, exposed
interface to userspace (virtual ALSA card),
input parameters are so different comparing
to f_uac1_legacy, that there is no any
reason to keep them in the same file/module,
and separate function was created.
Change-Id: Ib40c144ef0f35ee7d906ce3489f3e7780f3d5e1b
Signed-off-by: Ruslan Bilovol <ruslan.bilovol@gmail.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
Git-commit: 0591bc2360152f851e29246884805bb77a2c3b9d
Git-repo: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
Signed-off-by: Ajay Agarwal <ajaya@codeaurora.org>
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Before introducing new f_uac1 function (with virtual
ALSA card) make current implementation legacy.
This includes renaming of existing files, some
variables, config options and documentation
Change-Id: Ie3a826f356cc6571ce5967cd0bf8263b630b7249
Signed-off-by: Ruslan Bilovol <ruslan.bilovol@gmail.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
Git-commit: d355339eecd986648420e05f8c958fbc78dbb382
Git-repo: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
Signed-off-by: Ajay Agarwal <ajaya@codeaurora.org>
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commit bf5ce5bf3cc7136fd7fe5e8999a580bc93a9c8f6 upstream.
Commit 655fe4effe0f ("usbcore: add sysfs support to xHCI usb3
hardware LPM") introduced usb3_hardware_lpm sysfs node. This
doesn't show the correct status of USB3 U1 and U2 LPM status.
This patch fixes this by replacing usb3_hardware_lpm with two
nodes, usb3_hardware_lpm_u1 (for U1) and usb3_hardware_lpm_u2
(for U2), and recording the U1/U2 LPM status in right places.
This patch should be back-ported to kernels as old as 4.3,
that contains Commit 655fe4effe0f ("usbcore: add sysfs support
to xHCI usb3 hardware LPM").
Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This part adds the documentation for the interface authorization.
Signed-off-by: Stefan Koch <stefan.koch10@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This reverts commit 6ef2bf71764708f7c58ee9300acd8df05dbaa06f as the
signed-off-by address is invalid.
Cc: Stefan Koch <stefan.koch10@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This part adds the documentation for the interface authorization.
Signed-off-by: Stefan Koch <skoch@suse.de>
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-next
Felipe writes:
usb: patches for v4.3 merge window
New support for Allwinne SoC on the MUSB driver has been added to the list of
glue layers. MUSB also got support for building all DMA engines in one binary;
this will be great for distros.
DWC3 now has no trace of dev_dbg()/dev_vdbg() usage. We will rely solely on
tracing to debug DWC3. There was also a fix for memory corruption with EP0 when
maxpacket size transfers are > 512 bytes.
Robert's EP capabilities flags is making EP selection a lot simpler. UDCs are
now required to set these flags up when adding endpoints to the framework.
Other than these, we have the usual set of miscelaneous cleanups and minor
fixes.
Signed-off-by: Felipe Balbi <balbi@ti.com>
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testusb.c at http://www.linux-usb.org/usbtest/ is out of date,
using the one at the kernel source folder.
Cc: <stable@vger.kernel.org>
Signed-off-by: Peter Chen <peter.chen@freescale.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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Add a sysfs node to make it easier to verify if LPM is supported and being
enabled for USB 3.0 devices.
Signed-off-by: Kevin Strasser <kevin.strasser@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB updates from Greg KH:
"Here's the big USB patchset for 4.2-rc1. As is normal these days, the
majority of changes are in the gadget drivers, with a bunch of other
small driver changes.
All of these have been in linux-next with no reported issues"
* tag 'usb-4.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (175 commits)
usb: dwc3: Use ASCII space in Kconfig
usb: chipidea: add work-around for Marvell HSIC PHY startup
usb: chipidea: allow multiple instances to use default ci_default_pdata
dt-bindings: Consolidate ChipIdea USB ci13xxx bindings
phy: add Marvell HSIC 28nm PHY
phy: Add Marvell USB 2.0 OTG 28nm PHY
dt-bindings: Add Marvell PXA1928 USB and HSIC PHY bindings
USB: ssb: use devm_kzalloc
USB: ssb: fix error handling in ssb_hcd_create_pdev()
usb: isp1760: check for null return from kzalloc
cdc-acm: Add support of ATOL FPrint fiscal printers
usb: chipidea: usbmisc_imx: Remove unneeded semicolon
USB: usbtmc: add device quirk for Rigol DS6104
USB: serial: mos7840: Use setup_timer
phy: twl4030-usb: add ABI documentation
phy: twl4030-usb: remove incorrect pm_runtime_get_sync() in probe function.
phy: twl4030-usb: remove pointless 'suspended' test in 'suspend' callback.
phy: twl4030-usb: make runtime pm more reliable.
drivers:usb:fsl: Fix compilation error for fsl ehci drv
usb: renesas_usbhs: Don't disable the pipe if Control write status stage
...
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RNDIS function has a limitation on the number of allowed instances.
So far it has been RNDIS_MAX_CONFIGS, which happens to be one.
In order to eliminate this kind of arbitrary limitation we should not
preallocate a predefined (RNDIS_MAX_CONFIGS) array of struct rndis_params
instances but instead allow allocating them on demand.
This patch allocates struct rndis_params on demand in rndis_register().
Coversly, the structure is free()'d in rndis_deregister().
If CONFIG_USB_GADGET_DEBUG_FILES is set, the proc files are created which
is the same behaviour as before, but the moment of creation is delayed
until struct rndis_params is actually allocated.
rnids_init() and rndis_exit() have nothing to do, so they are eliminated.
Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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Fix the UAC2 parameter capture channel mask
Signed-off-by: Peter Chen <peter.chen@freescale.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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While trying to test a Cinterion GSM/GPS/3G module I had reconfigured
the USB interface by mistake and therefore needed to run a different
USB driver than CDC-ACM. It turned out that I need the "usbserial" driver.
This file is an official description how to use it:
Documentation/usb/usb-serial.txt
But it is outdated. The parameters vendor= and product= have been
superseded by a /sys interface.
Here was the solution:
https://bbs.archlinux.org/viewtopic.php?id=175499
insmod usbserial vendor=0x#### product=0x####
becomes (first #### is vendor, second is product)
modprobe usbserial
echo #### #### >/sys/bus/usb-serial/drivers/generic/new_id
This patch changes the documentation file to describe the modern variant.
Please note that the old one still works (if compiled as module).
Signed-off-by: H. Nikolaus Schaller <hns@goldelico.com>
Signed-off-by: Marek Belisko <marek@goldelico.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb into usb-next
Felipe writes:
usb: patches for v4.1 merge window
As usual, a big pile of commits. This time a total
of 111 non-merge commits.
Other than the usual set of cleanups and non-critical
fixes, we have some interesting work for AM335x's MUSB
babble recovery. Now that takes a lot less time and we
don't have to Reset MUSB all the time.
The printer gadget has been converted to configfs interface
and the atmel udc has learned suspend/resume with wakeup.
Signed-off-by: Felipe Balbi <balbi@ti.com>
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Add support for configfs interface so that f_printer can be used as a
component of usb gadgets composed with it.
Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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Add the example for how to enable USB as system wakeup source.
Signed-off-by: Peter Chen <peter.chen@freescale.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-next
Felipe writes:
usb: patches for v3.20 merge window
Here's the big pull request for Gadgets and PHYs. It's
a total of 217 non-merge commits with pretty much everything
being touched.
The most important bits are a ton of new documentation for
almost all usb gadget functions, a new isp1760 UDC driver,
several improvements to the old net2280 UDC driver, and
some minor tracepoint improvements to dwc3.
Other than that, a big list of minor cleanups, smaller bugfixes
and new features all over the place.
Signed-off-by: Felipe Balbi <balbi@ti.com>
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Summary of how to test UVC function of USB gadget.
Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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Summary of how to test UAC2 function of USB gadget.
Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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Summary of how to test UAC1 function of USB gadget.
Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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Summary of how to test SOURCESINK function of USB gadget.
Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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Summary of how to test SERIAL function of USB gadget.
Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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Summary of how to test RNDIS function of USB gadget.
Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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Summary of how to test PHONET function of USB gadget.
Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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Summary of how to test OBEX function of USB gadget.
Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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Summary of how to test NCM function of USB gadget.
Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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Summary of how to test MIDI function of USB gadget.
Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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Summary of how to test MASS STORAGE function of USB gadget.
Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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Summary of how to test LOOPBACK function of USB gadget.
Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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Summary of how to test HID function of USB gadget.
Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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Summary of how to test FFS (FunctionFS) function of USB gadget.
Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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Summary of how to test EEM function of USB gadget.
Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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Summary of how to test ECM subset function of USB gadget.
Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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Summary of how to test ECM function of USB gadget.
Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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The newly added file will be used to provide descriptions of how to test
the functions of USB gadgets.
Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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Using module parameters to specify accepted Vendor ID, Product ID is
considered legacy now. Update the documentation to reflect it.
Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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Signed-off-by: Jeremiah Mahler <jmmahler@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The usbmon documentation uses "be reading until" which is an unusual
wording. Change it to "read until it" which is more clear.
Signed-off-by: Jeremiah Mahler <jmmahler@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB updates from Greg KH:
"Here's the big set of USB and PHY patches for 3.19-rc1.
The normal churn in the USB gadget area is in here, as well as xhci
and other individual USB driver updates. The PHY tree is also in
here, as there were dependancies on the USB tree.
All of these have been in linux-next"
* tag 'usb-3.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (351 commits)
arm: omap3: twl: remove usb phy init data
usbip: fix error handling in stub_probe()
usb: gadget: udc: missing curly braces
USB: mos7720: delete some unneeded code
wusb: replace memset by memzero_explicit
usbip: remove unneeded structure
usb: xhci: fix comment for PORT_DEV_REMOVE
xhci: don't use the same variable for stopped and halted rings current TD
xhci: clear extra bits from slot context when setting max exit latency
xhci: cleanup finish_td function
USB: adutux: NULL dereferences on disconnect
usb: chipidea: fix platform_no_drv_owner.cocci warnings
usb: chipidea: Fixed a few typos in comments
Documentation: bindings: add doc for the USB2 ChipIdea USB driver
usb: chipidea: add a usb2 driver for ci13xxx
usb: chipidea: fix phy handling
usb: chipidea: remove duplicate dev_set_drvdata for host_start
usb: chipidea: parameter 'mode' isn't needed for hw_device_reset
usb: chipidea: add controller reset API
usb: chipidea: remove flag CI_HDRC_REQUIRE_TRANSCEIVER
...
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git://git.kernel.org/pub/scm/linux/kernel/git/johan/usb-serial into usb-next
Johan writes:
USB-serial updates for v3.19-rc1
These changes add a new "simple" driver for Google USB-serial
devices and add support for Huawei Gobi modems to qcserial.
Included are also some removals of unnecessary atomic allocations and
a few spelling fixes.
Signed-off-by: Johan Hovold <johan@kernel.org>
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Entrega is misspelled as Entregra or Entrgra, so fix that.
Signed-off-by: Mark Knibbs <markk@clara.co.uk>
Signed-off-by: Johan Hovold <johan@kernel.org>
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