The check for < 0 is impossible now that
of_clk_get_parent_count() returns an unsigned int. Simplify the
code and update the types.
Acked-by: Felipe Balbi <balbi@kernel.org>
Cc: <linux-usb@vger.kernel.org>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Pull final vfs updates from Al Viro:
- The ->i_mutex wrappers (with small prereq in lustre)
- a fix for too early freeing of symlink bodies on shmem (they need to
be RCU-delayed) (-stable fodder)
- followup to dedupe stuff merged this cycle
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
vfs: abort dedupe loop if fatal signals are pending
make sure that freeing shmem fast symlinks is RCU-delayed
wrappers for ->i_mutex access
lustre: remove unused declaration
Here's a single-SoC topic branch that we've staged separately. Mainly
because it was hard to sort the branch contents in a way that fit our
existing branches due to some refactorings.
The code has been in -next for quite a while, but we staged it in arm-soc
a bit late, which is why we've kept it separate from the other updates
and are sending it separately here.
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Merge tag 'armsoc-tegra' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC support for Tegra platforms from Olof Johansson:
"Here's a single-SoC topic branch that we've staged separately. Mainly
because it was hard to sort the branch contents in a way that fit our
existing branches due to some refactorings.
The code has been in -next for quite a while, but we staged it in
arm-soc a bit late, which is why we've kept it separate from the other
updates and are sending it separately here"
* tag 'armsoc-tegra' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
arm64: tegra: Add NVIDIA Jetson TX1 Developer Kit support
arm64: tegra: Add NVIDIA P2597 I/O board support
arm64: tegra: Add NVIDIA Jetson TX1 support
arm64: tegra: Add NVIDIA P2571 board support
arm64: tegra: Add NVIDIA P2371 board support
arm64: tegra: Add NVIDIA P2595 I/O board support
arm64: tegra: Add NVIDIA P2530 main board support
arm64: tegra: Add Tegra210 support
arm64: tegra: Add NVIDIA Tegra132 Norrin support
arm64: tegra: Add Tegra132 support
ARM: tegra: select USB_ULPI from EHCI rather than platform
ARM: tegra: Ensure entire dcache is flushed on entering LP0/1
amba: Hide TEGRA_AHB symbol
soc/tegra: Add Tegra210 support
soc/tegra: Provide per-SoC Kconfig symbols
parallel to mutex_{lock,unlock,trylock,is_locked,lock_nested},
inode_foo(inode) being mutex_foo(&inode->i_mutex).
Please, use those for access to ->i_mutex; over the coming cycle
->i_mutex will become rwsem, with ->lookup() done with it held
only shared.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
- Modify the driver core and the USB subsystem to allow USB devices
to stay suspended over system suspend/resume cycles if they have
been runtime-suspended already beforehand and fix some bugs on
top of these changes (Tomeu Vizoso, Rafael Wysocki).
- Update ACPICA to upstream revision 20160108, including updates
of the ACPICA's copyright notices, a code fixup resulting from
a regression fix that was necessary in the upstream code only
(the regression fixed by it has never been present in Linux)
and a compiler warning fix (Bob Moore, Lv Zheng).
- Fix a recent regression in the cpuidle menu governor that broke
it on practically all architectures other than x86 and make a
couple of optimizations on top of that fix (Rafael Wysocki).
- Clean up the selection of cpuidle governors depending on whether
or not the kernel is configured for tickless systems (Jean Delvare).
- Revert a recent commit that introduced a regression in the ACPI
backlight driver, address the problem it attempted to fix in a
different way and revert one more cosmetic change depending on
the problematic commit (Hans de Goede).
- Add two more ACPI backlight quirks (Hans de Goede).
- Fix a few minor problems in the core devfreq code, clean it up
a bit and update the MAINTAINERS information related to it
(Chanwoo Choi, MyungJoo Ham).
- Improve an error message in the ACPI fan driver (Andy Lutomirski).
- Fix a recent build regression in the cpupower tool (Shreyas Prabhu).
/
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Merge tag 'pm+acpi-4.5-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull more power management and ACPI updates from Rafael Wysocki:
"This includes fixes on top of the previous batch of PM+ACPI updates
and some new material as well.
From the new material perspective the most significant are the driver
core changes that should allow USB devices to stay suspended over
system suspend/resume cycles if they have been runtime-suspended
already beforehand. Apart from that, ACPICA is updated to upstream
revision 20160108 (cosmetic mostly, but including one fixup on top of
the previous ACPICA update) and there are some devfreq updates the
didn't make it before (due to timing).
A few recent regressions are fixed, most importantly in the cpuidle
menu governor and in the ACPI backlight driver and some x86 platform
drivers depending on it.
Some more bugs are fixed and cleanups are made on top of that.
Specifics:
- Modify the driver core and the USB subsystem to allow USB devices
to stay suspended over system suspend/resume cycles if they have
been runtime-suspended already beforehand and fix some bugs on top
of these changes (Tomeu Vizoso, Rafael Wysocki).
- Update ACPICA to upstream revision 20160108, including updates of
the ACPICA's copyright notices, a code fixup resulting from a
regression fix that was necessary in the upstream code only (the
regression fixed by it has never been present in Linux) and a
compiler warning fix (Bob Moore, Lv Zheng).
- Fix a recent regression in the cpuidle menu governor that broke it
on practically all architectures other than x86 and make a couple
of optimizations on top of that fix (Rafael Wysocki).
- Clean up the selection of cpuidle governors depending on whether or
not the kernel is configured for tickless systems (Jean Delvare).
- Revert a recent commit that introduced a regression in the ACPI
backlight driver, address the problem it attempted to fix in a
different way and revert one more cosmetic change depending on the
problematic commit (Hans de Goede).
- Add two more ACPI backlight quirks (Hans de Goede).
- Fix a few minor problems in the core devfreq code, clean it up a
bit and update the MAINTAINERS information related to it (Chanwoo
Choi, MyungJoo Ham).
- Improve an error message in the ACPI fan driver (Andy Lutomirski).
- Fix a recent build regression in the cpupower tool (Shreyas
Prabhu)"
* tag 'pm+acpi-4.5-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (32 commits)
cpuidle: menu: Avoid pointless checks in menu_select()
sched / idle: Drop default_idle_call() fallback from call_cpuidle()
cpupower: Fix build error in cpufreq-info
cpuidle: Don't enable all governors by default
cpuidle: Default to ladder governor on ticking systems
time: nohz: Expose tick_nohz_enabled
ACPICA: Update version to 20160108
ACPICA: Silence a -Wbad-function-cast warning when acpi_uintptr_t is 'uintptr_t'
ACPICA: Additional 2016 copyright changes
ACPICA: Reduce regression fix divergence from upstream ACPICA
ACPI / video: Add disable_backlight_sysfs_if quirk for the Toshiba Satellite R830
ACPI / video: Revert "thinkpad_acpi: Use acpi_video_handles_brightness_key_presses()"
ACPI / video: Document acpi_video_handles_brightness_key_presses() a bit
ACPI / video: Fix using an uninitialized mutex / list_head in acpi_video_handles_brightness_key_presses()
ACPI / video: Revert "ACPI / video: driver must be registered before checking for keypresses"
ACPI / fan: Improve acpi_device_update_power error message
ACPI / video: Add disable_backlight_sysfs_if quirk for the Toshiba Portege R700
cpuidle: menu: Fix menu_select() for CPUIDLE_DRIVER_STATE_START == 0
MAINTAINERS: Add devfreq-event entry
MAINTAINERS: Add missing git repository and directory for devfreq
...
Pull SCSI target updates from Nicholas Bellinger:
"The highlights this round include:
- Introduce configfs support for unlocked configfs_depend_item()
(krzysztof + andrezej)
- Conversion of usb-gadget target driver to new function registration
interface (andrzej + sebastian)
- Enable qla2xxx FC target mode support for Extended Logins (himansu +
giridhar)
- Enable qla2xxx FC target mode support for Exchange Offload (himansu +
giridhar)
- Add qla2xxx FC target mode irq affinity notification + selective
command queuing. (quinn + himanshu)
- Fix iscsi-target deadlock in se_node_acl configfs deletion (sagi +
nab)
- Convert se_node_acl configfs deletion + se_node_acl->queue_depth to
proper se_session->sess_kref + target_get_session() usage. (hch +
sagi + nab)
- Fix long-standing race between se_node_acl->acl_kref get and
get_initiator_node_acl() lookup. (hch + nab)
- Fix target/user block-size handling, and make sure netlink reaches
all network namespaces (sheng + andy)
Note there is an outstanding bug-fix series for remote I_T nexus port
TMR LUN_RESET has been posted and still being tested, and will likely
become post -rc1 material at this point"
* 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending: (56 commits)
scsi: qla2xxxx: avoid type mismatch in comparison
target/user: Make sure netlink would reach all network namespaces
target: Obtain se_node_acl->acl_kref during get_initiator_node_acl
target: Convert ACL change queue_depth se_session reference usage
iscsi-target: Fix potential dead-lock during node acl delete
ib_srpt: Convert acl lookup to modern get_initiator_node_acl usage
tcm_fc: Convert acl lookup to modern get_initiator_node_acl usage
tcm_fc: Wait for command completion before freeing a session
target: Fix a memory leak in target_dev_lba_map_store()
target: Support aborting tasks with a 64-bit tag
usb/gadget: Remove set-but-not-used variables
target: Remove an unused variable
target: Fix indentation in target_core_configfs.c
target/user: Allow user to set block size before enabling device
iser-target: Fix non negative ERR_PTR isert_device_get usage
target/fcoe: Add tag support to tcm_fc
qla2xxx: Check for online flag instead of active reset when transmitting responses
qla2xxx: Set all queues to 4k
qla2xxx: Disable ZIO at start time.
qla2xxx: Move atioq to a different lock to reduce lock contention
...
* pm-core:
driver core: Avoid NULL pointer dereferences in device_is_bound()
platform: Do not detach from PM domains on shutdown
USB / PM: Allow USB devices to remain runtime-suspended when sleeping
PM / sleep: Go direct_complete if driver has no callbacks
PM / Domains: add setter for dev.pm_domain
device core: add device_is_bound()
Pull kbuild updates from Michal Marek:
- Make <modname>-m in makefiles work like <modname>-y and fix the
fallout
- Minor genksyms fix
- Fix race with make -j install modules_install
- Move -Wsign-compare from make W=1 to W=2
- Other minor fixes
* 'kbuild' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild:
kbuild: Demote 'sign-compare' warning to W=2
Makefile: revert "Makefile: Document ability to make file.lst and file.S" partially
kbuild: Do not run modules_install and install in paralel
genksyms: Handle string literals with spaces in reference files
fixdep: constify strrcmp arguments
ath10k: Fix build with CONFIG_THERMAL=m
Revert "drm: Hack around CONFIG_AGP=m build failures"
kbuild: Allow to specify composite modules with modname-m
staging/ad7606: Actually build the interface modules
- Ground work for the new Power9 MMU from Aneesh Kumar K.V
- Optimise FP/VMX/VSX context switching from Anton Blanchard
- Various cleanups from Krzysztof Kozlowski, John Ogness, Rashmica Gupta,
Russell Currey, Gavin Shan, Daniel Axtens, Michael Neuling, Andrew Donnellan
- Allow wrapper to work on non-english system from Laurent Vivier
- Add rN aliases to the pt_regs_offset table from Rashmica Gupta
- Fix module autoload for rackmeter & axonram drivers from Luis de Bethencourt
- Include KVM guest test in all interrupt vectors from Paul Mackerras
- Fix DSCR inheritance over fork() from Anton Blanchard
- Make value-returning atomics & {cmp}xchg* & their atomic_ versions fully ordered from Boqun Feng
- Print MSR TM bits in oops messages from Michael Neuling
- Add TM signal return & invalid stack selftests from Michael Neuling
- Limit EPOW reset event warnings from Vipin K Parashar
- Remove the Cell QPACE code from Rashmica Gupta
- Append linux_banner to exception information in xmon from Rashmica Gupta
- Add selftest to check if VSRs are corrupted from Rashmica Gupta
- Remove broken GregorianDay() from Daniel Axtens
- Import Anton's context_switch2 benchmark into selftests from Michael Ellerman
- Add selftest script to test HMI functionality from Daniel Axtens
- Remove obsolete OPAL v2 support from Stewart Smith
- Make enter_rtas() private from Michael Ellerman
- PPR exception cleanups from Michael Ellerman
- Add page soft dirty tracking from Laurent Dufour
- Add support for Nvlink NPUs from Alistair Popple
- Add support for kexec on 476fpe from Alistair Popple
- Enable kernel CPU dlpar from sysfs from Nathan Fontenot
- Copy only required pieces of the mm_context_t to the paca from Michael Neuling
- Add a kmsg_dumper that flushes OPAL console output on panic from Russell Currey
- Implement save_stack_trace_regs() to enable kprobe stack tracing from Steven Rostedt
- Add HWCAP bits for Power9 from Michael Ellerman
- Fix _PAGE_PTE breaking swapoff from Aneesh Kumar K.V
- Fix _PAGE_SWP_SOFT_DIRTY breaking swapoff from Hugh Dickins
- scripts/recordmcount.pl: support data in text section on powerpc from Ulrich Weigand
- Handle R_PPC64_ENTRY relocations in modules from Ulrich Weigand
- cxl: Fix possible idr warning when contexts are released from Vaibhav Jain
- cxl: use correct operator when writing pcie config space values from Andrew Donnellan
- cxl: Fix DSI misses when the context owning task exits from Vaibhav Jain
- cxl: fix build for GCC 4.6.x from Brian Norris
- cxl: use -Werror only with CONFIG_PPC_WERROR from Brian Norris
- cxl: Enable PCI device ID for future IBM CXL adapter from Uma Krishnan
- Freescale updates from Scott: Highlights include moving QE code out of
arch/powerpc (to be shared with arm), device tree updates, and minor fixes.
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Merge tag 'powerpc-4.5-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull powerpc updates from Michael Ellerman:
"Core:
- Ground work for the new Power9 MMU from Aneesh Kumar K.V
- Optimise FP/VMX/VSX context switching from Anton Blanchard
Misc:
- Various cleanups from Krzysztof Kozlowski, John Ogness, Rashmica
Gupta, Russell Currey, Gavin Shan, Daniel Axtens, Michael Neuling,
Andrew Donnellan
- Allow wrapper to work on non-english system from Laurent Vivier
- Add rN aliases to the pt_regs_offset table from Rashmica Gupta
- Fix module autoload for rackmeter & axonram drivers from Luis de
Bethencourt
- Include KVM guest test in all interrupt vectors from Paul Mackerras
- Fix DSCR inheritance over fork() from Anton Blanchard
- Make value-returning atomics & {cmp}xchg* & their atomic_ versions
fully ordered from Boqun Feng
- Print MSR TM bits in oops messages from Michael Neuling
- Add TM signal return & invalid stack selftests from Michael Neuling
- Limit EPOW reset event warnings from Vipin K Parashar
- Remove the Cell QPACE code from Rashmica Gupta
- Append linux_banner to exception information in xmon from Rashmica
Gupta
- Add selftest to check if VSRs are corrupted from Rashmica Gupta
- Remove broken GregorianDay() from Daniel Axtens
- Import Anton's context_switch2 benchmark into selftests from
Michael Ellerman
- Add selftest script to test HMI functionality from Daniel Axtens
- Remove obsolete OPAL v2 support from Stewart Smith
- Make enter_rtas() private from Michael Ellerman
- PPR exception cleanups from Michael Ellerman
- Add page soft dirty tracking from Laurent Dufour
- Add support for Nvlink NPUs from Alistair Popple
- Add support for kexec on 476fpe from Alistair Popple
- Enable kernel CPU dlpar from sysfs from Nathan Fontenot
- Copy only required pieces of the mm_context_t to the paca from
Michael Neuling
- Add a kmsg_dumper that flushes OPAL console output on panic from
Russell Currey
- Implement save_stack_trace_regs() to enable kprobe stack tracing
from Steven Rostedt
- Add HWCAP bits for Power9 from Michael Ellerman
- Fix _PAGE_PTE breaking swapoff from Aneesh Kumar K.V
- Fix _PAGE_SWP_SOFT_DIRTY breaking swapoff from Hugh Dickins
- scripts/recordmcount.pl: support data in text section on powerpc
from Ulrich Weigand
- Handle R_PPC64_ENTRY relocations in modules from Ulrich Weigand
cxl:
- cxl: Fix possible idr warning when contexts are released from
Vaibhav Jain
- cxl: use correct operator when writing pcie config space values
from Andrew Donnellan
- cxl: Fix DSI misses when the context owning task exits from Vaibhav
Jain
- cxl: fix build for GCC 4.6.x from Brian Norris
- cxl: use -Werror only with CONFIG_PPC_WERROR from Brian Norris
- cxl: Enable PCI device ID for future IBM CXL adapter from Uma
Krishnan
Freescale:
- Freescale updates from Scott: Highlights include moving QE code out
of arch/powerpc (to be shared with arm), device tree updates, and
minor fixes"
* tag 'powerpc-4.5-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: (149 commits)
powerpc/module: Handle R_PPC64_ENTRY relocations
scripts/recordmcount.pl: support data in text section on powerpc
powerpc/powernv: Fix OPAL_CONSOLE_FLUSH prototype and usages
powerpc/mm: fix _PAGE_SWP_SOFT_DIRTY breaking swapoff
powerpc/mm: Fix _PAGE_PTE breaking swapoff
cxl: Enable PCI device ID for future IBM CXL adapter
cxl: use -Werror only with CONFIG_PPC_WERROR
cxl: fix build for GCC 4.6.x
powerpc: Add HWCAP bits for Power9
powerpc/powernv: Reserve PE#0 on NPU
powerpc/powernv: Change NPU PE# assignment
powerpc/powernv: Fix update of NVLink DMA mask
powerpc/powernv: Remove misleading comment in pci.c
powerpc: Implement save_stack_trace_regs() to enable kprobe stack tracing
powerpc: Fix build break due to paca mm_context_t changes
cxl: Fix DSI misses when the context owning task exits
MAINTAINERS: Update Scott Wood's e-mail address
powerpc/powernv: Fix minor off-by-one error in opal_mce_check_early_recovery()
powerpc: Fix style of self-test config prompts
powerpc/powernv: Only delay opal_rtc_read() retry when necessary
...
Here is the big USB drivers update for 4.5-rc1. Lots of gadget driver
updates and fixes, like usual, and a mix of other USB driver updates as
well. Full details in the shortlog. All of these have been in
linux-next for a while.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-4.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB updates from Greg KH:
"Here is the big USB drivers update for 4.5-rc1.
Lots of gadget driver updates and fixes, like usual, and a mix of
other USB driver updates as well. Full details in the shortlog. All
of these have been in linux-next for a while"
* tag 'usb-4.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (191 commits)
MAINTAINERS: change my email address
USB: usbmon: remove assignment from IS_ERR argument
USB: mxu11x0: drop redundant function name from error messages
USB: mxu11x0: fix debug-message typos
USB: mxu11x0: rename usb-serial driver
USB: mxu11x0: fix modem-control handling on B0-transitions
USB: mxu11x0: fix memory leak on firmware download
USB: mxu11x0: fix memory leak in port-probe error path
USB: serial: add Moxa UPORT 11x0 driver
USB: cp210x: add ID for ELV Marble Sound Board 1
usb: chipidea: otg: use usb autosuspend to suspend bus for HNP
usb: chipidea: host: set host to be null after hcd is freed
usb: chipidea: removing of_find_property
usb: chipidea: implement platform shutdown callback
usb: chipidea: clean up CONFIG_USB_CHIPIDEA_DEBUG reference
usb: chipidea: delete static debug support
usb: chipidea: support debugfs without CONFIG_USB_CHIPIDEA_DEBUG
usb: chipidea: udc: improve error handling on _hardware_enqueue
usb: chipidea: udc: _ep_queue and _hw_queue cleanup
usb: dwc3: of-simple: fix build warning on !PM
...
Pull misc vfs updates from Al Viro:
"All kinds of stuff. That probably should've been 5 or 6 separate
branches, but by the time I'd realized how large and mixed that bag
had become it had been too close to -final to play with rebasing.
Some fs/namei.c cleanups there, memdup_user_nul() introduction and
switching open-coded instances, burying long-dead code, whack-a-mole
of various kinds, several new helpers for ->llseek(), assorted
cleanups and fixes from various people, etc.
One piece probably deserves special mention - Neil's
lookup_one_len_unlocked(). Similar to lookup_one_len(), but gets
called without ->i_mutex and tries to avoid ever taking it. That, of
course, means that it's not useful for any directory modifications,
but things like getting inode attributes in nfds readdirplus are fine
with that. I really should've asked for moratorium on lookup-related
changes this cycle, but since I hadn't done that early enough... I
*am* asking for that for the coming cycle, though - I'm going to try
and get conversion of i_mutex to rwsem with ->lookup() done under lock
taken shared.
There will be a patch closer to the end of the window, along the lines
of the one Linus had posted last May - mechanical conversion of
->i_mutex accesses to inode_lock()/inode_unlock()/inode_trylock()/
inode_is_locked()/inode_lock_nested(). To quote Linus back then:
-----
| This is an automated patch using
|
| sed 's/mutex_lock(&\(.*\)->i_mutex)/inode_lock(\1)/'
| sed 's/mutex_unlock(&\(.*\)->i_mutex)/inode_unlock(\1)/'
| sed 's/mutex_lock_nested(&\(.*\)->i_mutex,[ ]*I_MUTEX_\([A-Z0-9_]*\))/inode_lock_nested(\1, I_MUTEX_\2)/'
| sed 's/mutex_is_locked(&\(.*\)->i_mutex)/inode_is_locked(\1)/'
| sed 's/mutex_trylock(&\(.*\)->i_mutex)/inode_trylock(\1)/'
|
| with a very few manual fixups
-----
I'm going to send that once the ->i_mutex-affecting stuff in -next
gets mostly merged (or when Linus says he's about to stop taking
merges)"
* 'work.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: (63 commits)
nfsd: don't hold i_mutex over userspace upcalls
fs:affs:Replace time_t with time64_t
fs/9p: use fscache mutex rather than spinlock
proc: add a reschedule point in proc_readfd_common()
logfs: constify logfs_block_ops structures
fcntl: allow to set O_DIRECT flag on pipe
fs: __generic_file_splice_read retry lookup on AOP_TRUNCATED_PAGE
fs: xattr: Use kvfree()
[s390] page_to_phys() always returns a multiple of PAGE_SIZE
nbd: use ->compat_ioctl()
fs: use block_device name vsprintf helper
lib/vsprintf: add %*pg format specifier
fs: use gendisk->disk_name where possible
poll: plug an unused argument to do_poll
amdkfd: don't open-code memdup_user()
cdrom: don't open-code memdup_user()
rsxx: don't open-code memdup_user()
mtip32xx: don't open-code memdup_user()
[um] mconsole: don't open-code memdup_user_nul()
[um] hostaudio: don't open-code memdup_user()
...
The big thing here is Tegra210 support, which is really only the Kconfig
symbol. Other than that there's a few miscellaneous fixes.
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Merge tag 'tegra-for-4.5-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux into late/tegra
ARM: tegra: Core SoC changes for v4.5-rc1
The big thing here is Tegra210 support, which is really only the Kconfig
symbol. Other than that there's a few miscellaneous fixes.
* tag 'tegra-for-4.5-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux:
ARM: tegra: select USB_ULPI from EHCI rather than platform
ARM: tegra: Ensure entire dcache is flushed on entering LP0/1
amba: Hide TEGRA_AHB symbol
soc/tegra: Add Tegra210 support
soc/tegra: Provide per-SoC Kconfig symbols
Signed-off-by: Olof Johansson <olof@lixom.net>
* patchwork: (204 commits)
[media] rc: sunxi-cir: Initialize the spinlock properly
[media] rtl2832: do not filter out slave TS null packets
[media] rtl2832: print reg number on error case
[media] rtl28xxu: return demod reg page from driver cache
[media] coda: enable MPEG-2 ES decoding
[media] coda: don't start streaming without queued buffers
[media] coda: hook up vidioc_prepare_buf
[media] coda: relax coda_jpeg_check_buffer for trailing bytes
[media] coda: make to_coda_video_device static
[media] s5p-mfc: remove volatile attribute from MFC register addresses
[media] s5p-mfc: merge together s5p_mfc_hw_call and s5p_mfc_hw_call_void
[media] s5p-mfc: use spinlock to protect MFC context
[media] s5p-mfc: remove unnecessary callbacks
[media] s5p-mfc: make queue cleanup code common
[media] s5p-mfc: use one implementation of s5p_mfc_get_new_ctx
[media] s5p-mfc: constify s5p_mfc_codec_ops structures
[media] au8522: Avoid memory leak for device config data
[media] ir-lirc-codec.c: don't leak lirc->drv-rbuf
[media] uvcvideo: small cleanup in uvc_video_clock_update()
[media] uvcvideo: Fix reading the current exposure value of UVC
...
Have dev_pm_ops.prepare return 1 for USB devices and ports so that USB
devices can remain runtime-suspended when the system goes to a sleep
state, if their wakeup state is correct and they have runtime PM enabled.
Signed-off-by: Tomeu Vizoso <tomeu.vizoso@collabora.com>
Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Avoid that building with W=1 triggers compiler warnings about
set-but-not-used variables.
Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com>
Cc: Felipe Balbi <balbi@ti.com>
Cc: Andy Grover <agrover@redhat.com>
Cc: Christoph Hellwig <hch@lst.de>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
Here's another device id for cp210x.
Signed-off-by: Johan Hovold <johan@kernel.org>
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Merge tag 'usb-serial-4.4-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/johan/usb-serial into usb-next
Johan writes:
USB-serial fixes for v4.4-rc8
Here's another device id for cp210x.
Signed-off-by: Johan Hovold <johan@kernel.org>
These updates add support for Moxa UPort 1100-series devices through a
new mxu11x0 driver.
The cp210x driver gains proper support for cp2108 devices by working
around a couple of firmware bugs, and generic wait-until-sent support
(e.g. for tcdrain) is also added.
Included are also some general clean ups.
Signed-off-by: Johan Hovold <johan@kernel.org>
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Merge tag 'usb-serial-4.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/johan/usb-serial into usb-next
Johan writes:
USB-serial updates for v4.5-rc1
These updates add support for Moxa UPort 1100-series devices through a
new mxu11x0 driver.
The cp210x driver gains proper support for cp2108 devices by working
around a couple of firmware bugs, and generic wait-until-sent support
(e.g. for tcdrain) is also added.
Included are also some general clean ups.
Signed-off-by: Johan Hovold <johan@kernel.org>
Drop redundant function name from a few error messages.
Drop redundant error message when generic open fails.
Signed-off-by: Johan Hovold <johan@kernel.org>
Make sure to release the private data before returning -ENODEV after
having downloaded the firmware during first probe.
Clean up the error paths while at it.
Signed-off-by: Johan Hovold <johan@kernel.org>
Fix memory leak in port-probe error path by verifying the interrupt-in
urb before allocating the private data.
Signed-off-by: Johan Hovold <johan@kernel.org>
Add a driver which supports :
- UPort 1110 : 1 port RS-232 USB to Serial Hub.
- UPort 1130 : 1 port RS-422/485 USB to Serial Hub.
- UPort 1130I : 1 port RS-422/485 USB to Serial Hub with Isolation.
- UPort 1150 : 1 port RS-232/422/485 USB to Serial Hub.
- UPort 1150I : 1 port RS-232/422/485 USB to Serial Hub with Isolation.
This driver is based on GPL MOXA driver written by Hen Huang and available
on MOXA website. The original driver was based on io_ti serial driver.
Signed-off-by: Mathieu OTHACEHE <m.othacehe@gmail.com>
Signed-off-by: Johan Hovold <johan@kernel.org>
Add the USB device ID for ELV Marble Sound Board 1.
Signed-off-by: Oliver Freyermuth <o.freyermuth@googlemail.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Johan Hovold <johan@kernel.org>
- Delete static debug for chipidea driver.
- Suspend USB core when A device tries to switch to peripheral mode,
at former design, it just stopped SoF simply but USB core doesn't know it.
- Several small changes.
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Merge tag 'usb-ci-v4.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/peter.chen/usb into usb-testing
Peter writes:
The chipidea changes for v4.5-rc1
- Delete static debug for chipidea driver.
- Suspend USB core when A device tries to switch to peripheral mode,
at former design, it just stopped SoF simply but USB core doesn't know it.
- Several small changes.
A ton of improvements to dwc2 have been made. The
driver should be a lot more stable on v4.5 then ever
before.
Our good old dwc3 got a few cleanups and misc fixes
and also added support to Xilinx's integration of
this IP.
Yoshihiro Shimoda gives us support for a new USB3
peripheral controller from Renesas.
Other than these, the usual misc fixes all over the
place.
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Merge tag 'usb-for-v4.5' of git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb into usb-next
Felipe writes:
usb: patches for v4.5
A ton of improvements to dwc2 have been made. The
driver should be a lot more stable on v4.5 then ever
before.
Our good old dwc3 got a few cleanups and misc fixes
and also added support to Xilinx's integration of
this IP.
Yoshihiro Shimoda gives us support for a new USB3
peripheral controller from Renesas.
Other than these, the usual misc fixes all over the
place.
Directly manipulate the controller regsiter to suspend the usb bus
for HNP is not the proper way, this should be done through the usbcore
by usb autosuspend. So to start HNP, autosuspend support should be
added for OTG devices interface driver if it's not enabled.
Signed-off-by: Li Jun <jun.li@freescale.com>
Signed-off-by: Peter Chen <peter.chen@freescale.com>
Set ci->hcd and ci->otg.host to be null in host_stop since the
hcd already freed.
Signed-off-by: Li Jun <jun.li@freescale.com>
Signed-off-by: Peter Chen <peter.chen@freescale.com>
call to of_find_property() before of_property_read_u32() is unnecessary.
of_property_read_u32() anyway calls to of_find_property() only.
Signed-off-by: Saurabh Sengar <saurabh.truth@gmail.com>
Signed-off-by: Peter Chen <peter.chen@freescale.com>
disable wakeup irq during shutdown, otherwise kexec fails for
kernels that setup irq handlers before resetting the hardware
Signed-off-by: Andreas Fenkart <andreas.fenkart@dev.digitalstrom.org>
Signed-off-by: Peter Chen <peter.chen@freescale.com>
Since this configuration option has deleted, cleans up all
its references.
Signed-off-by: Peter Chen <peter.chen@freescale.com>
Reported-by: Valentin Rothberg <valentinrothberg@gmail.com>
Since we need to mount debugfs to show/store the things we
want to debug, it is duplicated to add another configuration
to enable it. Meanwhile, with CONFIG_USB_CHIPIDEA_DEBUG,
we can't support chipidea debugfs at runtime.
Signed-off-by: Peter Chen <peter.chen@freescale.com>
Cc: Jun Li <jun.li@freescale.com>
_hardware_enqueue() didn't check for errors when using
add_td_to_list() which can fail if dma_pool_alloc fails, thus
causing a kernel panic when lastnode->ptr is NULL.
Signed-off-by: Felipe F. Tonello <eu@felipetonello.com>
Signed-off-by: Peter Chen <peter.chen@freescale.com>
Update comments to reflect current state of functions.
Signed-off-by: Felipe F. Tonello <eu@felipetonello.com>
Signed-off-by: Peter Chen <peter.chen@freescale.com>
if we have a !PM kernel build, our runtime
suspend/resume callbacks will be left defined but
unused. Add a ifdef CONFIG_PM guard.
Signed-off-by: Felipe Balbi <balbi@ti.com>
If the request->length is zero, a ZLP should already be sent due to that
and another ZLP is not needed to terminate the transfer.
Fixes: 04c03d10e5 ("usb: dwc3: gadget: handle request->zero")
Signed-off-by: John Youn <johnyoun@synopsys.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
R-Car H3 has USB3.0 peripheral controllers. This controller's has the
following features:
- Supports super, high and full speed
- Contains 30 pipes for bulk or interrupt transfer
- Contains dedicated DMA controller
This driver doesn't support the dedicated DMAC for now.
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
ls1 has qe and ls1 has arm cpu.
move qe from arch/powerpc to drivers/soc/fsl
to adapt to powerpc and arm
Signed-off-by: Zhao Qiang <qiang.zhao@freescale.com>
Signed-off-by: Scott Wood <scottwood@freescale.com>
In specific conditions (involving usb hubs) dwc2 devices can create a
lot of interrupts, even to the point of overwhelming devices running
at low frequencies. Some devices need to do special clock handling
at shutdown-time which may bring the system clock below the threshold
of being able to handle the dwc2 interrupts. Disabling dwc2-irqs
in a shutdown callbacks prevents reboots/poweroffs from getting stuck
in such cases.
The hsotg struct already contains an unused irq element, so we can
just use it to store the irq number for the shutdown callback.
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Acked-by: John Youn <johnyoun@synopsys.com>
Signed-off-by: Heiko Stuebner <heiko.stuebner@collabora.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Use list_for_each_entry_safe() instead of list_for_each_safe() to
simplify the code.
Signed-off-by: Geliang Tang <geliangtang@163.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
The phy's init routine must be called before it can be used. Do so in
musb_init_controller and the matching shutdown in musb_remove.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Felipe Balbi <balbi@ti.com>
The "enumspd" field is located in register DSTS[2:1], but the code
which checks the bitfield does not shift the value accordingly. This
in turn causes incorrect detection of gadget link partner speed in
dwc2_hsotg_irq_enumdone() .
Shift the value accordingly to fix the problem with speed detection.
Acked-by: John Youn <johnyoun@synopsys.com>
Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Felipe Balbi <balbi@ti.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: John Youn <johnyoun@synopsys.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Remove call to dwc2_hsotg_init() from dwc2_gadget_init(). The
gadget_init function should not access any device registers because the
mode isn't guaranteed here.
Also, this is already called elsewhere before anything starts on the
gadget so it is not necessary here.
Signed-off-by: John Youn <johnyoun@synopsys.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Reset already happens before this so just force the dr_mode.
Signed-off-by: John Youn <johnyoun@synopsys.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
The delay for force mode is only 25ms according to the databook.
Signed-off-by: John Youn <johnyoun@synopsys.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Stephen Boyd