The VFIO related components could be built as dynamic modules.
Unfortunately, CONFIG_EEH can't be configured to "m". The patch
fixes the build errors when configuring VFIO related components
as dynamic modules as follows:
CC [M] drivers/vfio/vfio_iommu_spapr_tce.o
In file included from drivers/vfio/vfio.c:33:0:
include/linux/vfio.h:101:43: warning: ‘struct pci_dev’ declared \
inside parameter list [enabled by default]
:
WRAP arch/powerpc/boot/zImage.pseries
WRAP arch/powerpc/boot/zImage.maple
WRAP arch/powerpc/boot/zImage.pmac
WRAP arch/powerpc/boot/zImage.epapr
MODPOST 1818 modules
ERROR: ".vfio_spapr_iommu_eeh_ioctl" [drivers/vfio/vfio_iommu_spapr_tce.ko]\
undefined!
ERROR: ".vfio_spapr_pci_eeh_open" [drivers/vfio/pci/vfio-pci.ko] undefined!
ERROR: ".vfio_spapr_pci_eeh_release" [drivers/vfio/pci/vfio-pci.ko] undefined!
Reported-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Signed-off-by: Gavin Shan <gwshan@linux.vnet.ibm.com>
Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Each time a device is released, mark whether a local reset was
successful or whether a bus/slot reset is needed. If a reset is
needed and all of the affected devices are bound to vfio-pci and
unused, allow the reset. This is most useful when the userspace
driver is killed and releases all the devices in an unclean state,
such as when a QEMU VM quits.
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Serializing open/release allows us to fix a refcnt error if we fail
to enable the device and lets us prevent devices from being unbound
or opened, giving us an opportunity to do bus resets on release. No
restriction added to serialize binding devices to vfio-pci while the
mutex is held though.
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Our current open/release path looks like this:
vfio_pci_open
vfio_pci_enable
pci_enable_device
pci_save_state
pci_store_saved_state
vfio_pci_release
vfio_pci_disable
pci_disable_device
pci_restore_state
pci_enable_device() doesn't modify PCI_COMMAND_MASTER, so if a device
comes to us with it enabled, it persists through the open and gets
stored as part of the device saved state. We then restore that saved
state when released, which can allow the device to attempt to continue
to do DMA. When the group is disconnected from the domain, this will
get caught by the IOMMU, but if there are other devices in the group,
the device may continue running and interfere with the user. Even in
the former case, IOMMUs don't necessarily behave well and a stream of
blocked DMA can result in unpleasant behavior on the host.
Explicitly disable Bus Master as we're enabling the device and
slightly re-work release to make sure that pci_disable_device() is
the last thing that touches the device.
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
- Add new syscall and fix comment
- Fix udelay implementation
- Fix libgcc for modules
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Merge tag 'microblaze-3.17-rc1' of git://git.monstr.eu/linux-2.6-microblaze
Pull microblaze updates from Michal Simek:
- add new syscall and fix comment
- fix udelay implementation
- fix libgcc for modules
* tag 'microblaze-3.17-rc1' of git://git.monstr.eu/linux-2.6-microblaze:
microblaze: Change libgcc-style functions from lib-y to obj-y
microblaze: Wire-up renameat2 syscall
microblaze: Add syscall number comment
microblaze: delay.h fix udelay and ndelay for 8 bit args
Pull powerpc updates from Ben Herrenschmidt:
"This is the powerpc new goodies for 3.17. The short story:
The biggest bit is Michael removing all of pre-POWER4 processor
support from the 64-bit kernel. POWER3 and rs64. This gets rid of a
ton of old cruft that has been bitrotting in a long while. It was
broken for quite a few versions already and nobody noticed. Nobody
uses those machines anymore. While at it, he cleaned up a bunch of
old dusty cabinets, getting rid of a skeletton or two.
Then, we have some base VFIO support for KVM, which allows assigning
of PCI devices to KVM guests, support for large 64-bit BARs on
"powernv" platforms, support for HMI (Hardware Management Interrupts)
on those same platforms, some sparse-vmemmap improvements (for memory
hotplug),
There is the usual batch of Freescale embedded updates (summary in the
merge commit) and fixes here or there, I think that's it for the
highlights"
* 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc: (102 commits)
powerpc/eeh: Export eeh_iommu_group_to_pe()
powerpc/eeh: Add missing #ifdef CONFIG_IOMMU_API
powerpc: Reduce scariness of interrupt frames in stack traces
powerpc: start loop at section start of start in vmemmap_populated()
powerpc: implement vmemmap_free()
powerpc: implement vmemmap_remove_mapping() for BOOK3S
powerpc: implement vmemmap_list_free()
powerpc: Fail remap_4k_pfn() if PFN doesn't fit inside PTE
powerpc/book3s: Fix endianess issue for HMI handling on napping cpus.
powerpc/book3s: handle HMIs for cpus in nap mode.
powerpc/powernv: Invoke opal call to handle hmi.
powerpc/book3s: Add basic infrastructure to handle HMI in Linux.
powerpc/iommu: Fix comments with it_page_shift
powerpc/powernv: Handle compound PE in config accessors
powerpc/powernv: Handle compound PE for EEH
powerpc/powernv: Handle compound PE
powerpc/powernv: Split ioda_eeh_get_state()
powerpc/powernv: Allow to freeze PE
powerpc/powernv: Enable M64 aperatus for PHB3
powerpc/eeh: Aux PE data for error log
...
Pull MIPS updates from Ralf Baechle:
"This is the main pull request for 3.17. It contains:
- misc Cavium Octeon, BCM47xx, BCM63xx and Alchemy updates
- MIPS ptrace updates and cleanups
- various fixes that will also go to -stable
- a number of cleanups and small non-critical fixes.
- NUMA support for the Loongson 3.
- more support for MSA
- support for MAAR
- various FP enhancements and fixes"
* 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus: (139 commits)
MIPS: jz4740: remove unnecessary null test before debugfs_remove
MIPS: Octeon: remove unnecessary null test before debugfs_remove_recursive
MIPS: ZBOOT: implement stack protector in compressed boot phase
MIPS: mipsreg: remove duplicate MIPS_CONF4_FTLBSETS_SHIFT
MIPS: Bonito64: remove a duplicate define
MIPS: Malta: initialise MAARs
MIPS: Initialise MAARs
MIPS: detect presence of MAARs
MIPS: define MAAR register accessors & bits
MIPS: mark MSA experimental
MIPS: Don't build MSA support unless it can be used
MIPS: consistently clear MSA flags when starting & copying threads
MIPS: 16 byte align MSA vector context
MIPS: disable preemption whilst initialising MSA
MIPS: ensure MSA gets disabled during boot
MIPS: fix read_msa_* & write_msa_* functions on non-MSA toolchains
MIPS: fix MSA context for tasks which don't use FP first
MIPS: init upper 64b of vector registers when MSA is first used
MIPS: save/disable MSA in lose_fpu
MIPS: preserve scalar FP CSR when switching vector context
...
Pull s390 updates from Martin Schwidefsky:
"Mostly cleanups and bug-fixes, with two exceptions.
The first is lazy flushing of I/O-TLBs for PCI to improve performance,
the second is software dirty bits in the pmd for the madvise-free
implementation"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux: (24 commits)
s390/locking: Reenable optimistic spinning
s390/mm: implement dirty bits for large segment table entries
KVM: s390/mm: Fix page table locking vs. split pmd lock
s390/dasd: fix camel case
s390/3215: fix hanging console issue
s390/irq: improve displayed interrupt order in /proc/interrupts
s390/seccomp: fix error return for filtered system calls
s390/pci: introduce lazy IOTLB flushing for DMA unmap
dasd: fix error recovery for alias devices during format
dasd: fix list_del corruption during format
dasd: fix unresponsive device during format
dasd: use aliases for formatted devices during format
s390/pci: fix kmsg component
s390/kdump: Return NOTIFY_OK for all actions other than MEM_GOING_OFFLINE
s390/watchdog: Fix module name in Kconfig help text
s390/dasd: replace seq_printf by seq_puts
s390/dasd: replace pr_warning by pr_warn
s390/dasd: Move EXPORT_SYMBOL after function/variable
s390/dasd: remove unnecessary null test before debugfs_remove
s390/zfcp: use qdio buffer helpers
...
Convert a zero return value on error to a negative one, as returned
elsewhere in the function.
A simplified version of the semantic match that finds this problem is as
follows: (http://coccinelle.lip6.fr/)
// <smpl>
@@
identifier ret; expression e1,e2;
@@
(
if (\(ret < 0\|ret != 0\))
{ ... return ret; }
|
ret = 0
)
... when != ret = e1
when != &ret
*if(...)
{
... when != ret = e2
when forall
return ret;
}
// </smpl>
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Acked-by: Hans-Christian Egtvedt <egtvedt@samfundet.no>
Merge incoming from Andrew Morton:
- Various misc things.
- arch/sh updates.
- Part of ocfs2. Review is slow.
- Slab updates.
- Most of -mm.
- printk updates.
- lib/ updates.
- checkpatch updates.
* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (226 commits)
checkpatch: update $declaration_macros, add uninitialized_var
checkpatch: warn on missing spaces in broken up quoted
checkpatch: fix false positives for --strict "space after cast" test
checkpatch: fix false positive MISSING_BREAK warnings with --file
checkpatch: add test for native c90 types in unusual order
checkpatch: add signed generic types
checkpatch: add short int to c variable types
checkpatch: add for_each tests to indentation and brace tests
checkpatch: fix brace style misuses of else and while
checkpatch: add --fix option for a couple OPEN_BRACE misuses
checkpatch: use the correct indentation for which()
checkpatch: add fix_insert_line and fix_delete_line helpers
checkpatch: add ability to insert and delete lines to patch/file
checkpatch: add an index variable for fixed lines
checkpatch: warn on break after goto or return with same tab indentation
checkpatch: emit a warning on file add/move/delete
checkpatch: add test for commit id formatting style in commit log
checkpatch: emit fewer kmalloc_array/kcalloc conversion warnings
checkpatch: improve "no space after cast" test
checkpatch: allow multiple const * types
...
Pull networking fixes from David Miller:
"This fixes the most immediate fallout from yesterday's networking
merge:
1) sock_tx_timestamp() must not clear the passed in tx_flags, but
rather add to them. Fix from Eric Dumazet.
2) The hyperv driver sendbuf region increase needs to be decreased
slightly to handle older backends. From KY Srinivasan.
3) Fix RCU lockdep splats in netlink diag after recent hashing
changes, from Thomas Graf.
4) The new IPV6_FLOWLABEL was given a socket option number that
overlapped with an existing IP6 tables one, breaking ip6_tables.
Fixed by Pablo Neira Ayuso"
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net:
netlink: hold nl_sock_hash_lock during diag dump
tcp: md5: check md5 signature without socket lock
net: fix USB network driver config option.
net: reallocate new socket option number for IPV6_AUTOFLOWLABEL
vmxnet3: fix decimal printf format specifiers prefixed with 0x
net-timestamp: cumulative tcp timestamping fixes
hyperv: Adjust the size of sendbuf region to support ws2008r2
cxgb4: Fix for SR-IOV VF initialization
net-timestamp: sock_tx_timestamp() fix
Pull trivial tree changes from Jiri Kosina:
"Summer edition of trivial tree updates"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial: (23 commits)
doc: fix two typos in watchdog-api.txt
irq-gic: remove file name from heading comment
MAINTAINERS: Add miscdevice.h to file list for char/misc drivers.
scsi: mvsas: mv_sas.c: Fix for possible null pointer dereference
doc: replace "practise" with "practice" in Documentation
befs: remove check for CONFIG_BEFS_RW
scsi: doc: fix 'SCSI_NCR_SETUP_MASTER_PARITY'
drivers/usb/phy/phy.c: remove a leading space
mfd: fix comment
cpuidle: fix comment
doc: hpfall.c: fix missing null-terminate after strncpy call
usb: doc: hotplug.txt code typos
kbuild: fix comment in Makefile.modinst
SH: add proper prompt to SH_MAGIC_PANEL_R2_VERSION
ARM: msm: Remove MSM_SCM
crypto: Remove MPILIB_EXTRA
doc: CN: remove dead link, kerneltrap.org no longer works
media: update reference, kerneltrap.org no longer works
hexagon: update reference, kerneltrap.org no longer works
doc: LSM: update reference, kerneltrap.org no longer works
...
Pull HID updates from Jiri Kosina:
"Some highlights:
- hid-sony improvements of Sixaxis device support by Antonio Ospite
- hid-hyperv driven devices can now be used as wakeup source, by
Dexuan Cui
- hid-lenovo driver is now more generic and supports more devices, by
Jamie Lentin
- hid-huion now supports wider range of tablets, by Nikolai
Kondrashov
- other various unsorted fixes and device ID additions"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid: (30 commits)
HID: hyperv: register as a wakeup source
HID: sony: Default initialize all elements of the LED max_brightness array to 1
HID: huion: Fix sparse warnings
HID: usbhid: Use flag HID_DISCONNECTED when a usb device is removed
HID: ignore jabra gn9350e
HID: cp2112: add I2C mode
HID: use multi input quirk for 22b9:2968
HID: rmi: only bind the hid-rmi driver to the mouse interface of composite USB devices
HID: rmi: check that report ids exist in the report_id_hash before accessing their size
HID: lenovo: Add support for Compact (BT|USB) keyboard
HID: lenovo: Don't call function in condition, show error codes
HID: lenovo: Prepare support for adding other devices
HID: lenovo: Rename hid-lenovo-tpkbd to hid-lenovo
HID: huion: Handle tablets with UC-Logic vendor ID
HID: huion: Switch to generating report descriptor
HID: huion: Don't ignore other interfaces
HID: huion: Use "tablet" instead of specific model
HID: add quirk for 0x04d9:0xa096 device
HID: i2c-hid: call the hid driver's suspend and resume callbacks
HID: rmi: change logging level of log messages related to unexpected reports
...
Pull watchdog updates from Wim Van Sebroeck:
- remove unnecessary checks after platform_get_resource()
- fix watchdog api documentation typo's
- imx2_wdt: adds big endianness support
- move restart code to the sunxi watchdog driver
* git://www.linux-watchdog.org/linux-watchdog:
wdt: sunxi: Move restart code to the watchdog driver
Documentation: fix two typos in watchdog-api.txt
watchdog: imx2_wdt: adds big endianness support.
watchdog: shwdt: Remove the unnecessary check of resource after platform_get_resource()
watchdog: lantiq_wdt: Remove the un-necessary check of resource after platform_get_resource()
watchdog: dw_wdt: Remove the un-necessary check after platform_get_resource()
- ACPICA update to upstream version 20140724. That includes
ACPI 5.1 material (support for the _CCA and _DSD predefined names,
changes related to the DMAR and PCCT tables and ARM support among
other things) and cleanups related to using ACPICA's header files.
A major part of it is related to acpidump and the core code used
by that utility. Changes from Bob Moore, David E Box, Lv Zheng,
Sascha Wildner, Tomasz Nowicki, Hanjun Guo.
- Radix trees for memory bitmaps used by the hibernation core from
Joerg Roedel.
- Support for waking up the system from suspend-to-idle (also known
as the "freeze" sleep state) using ACPI-based PCI wakeup signaling
(Rafael J Wysocki).
- Fixes for issues related to ACPI button events (Rafael J Wysocki).
- New device ID for an ACPI-enumerated device included into the
Wildcat Point PCH from Jie Yang.
- ACPI video updates related to backlight handling from Hans de Goede
and Linus Torvalds.
- Preliminary changes needed to support ACPI on ARM from Hanjun Guo
and Graeme Gregory.
- ACPI PNP core cleanups from Arjun Sreedharan and Zhang Rui.
- Cleanups related to ACPI_COMPANION() and ACPI_HANDLE() macros
(Rafael J Wysocki).
- ACPI-based device hotplug cleanups from Wei Yongjun and
Rafael J Wysocki.
- Cleanups and improvements related to system suspend from
Lan Tianyu, Randy Dunlap and Rafael J Wysocki.
- ACPI battery cleanup from Wei Yongjun.
- cpufreq core fixes from Viresh Kumar.
- Elimination of a deadband effect from the cpufreq ondemand
governor and intel_pstate driver cleanups from Stratos Karafotis.
- 350MHz CPU support for the powernow-k6 cpufreq driver from
Mikulas Patocka.
- Fix for the imx6 cpufreq driver from Anson Huang.
- cpuidle core and governor cleanups from Daniel Lezcano,
Sandeep Tripathy and Mohammad Merajul Islam Molla.
- Build fix for the big_little cpuidle driver from Sachin Kamat.
- Configuration fix for the Operation Performance Points (OPP)
framework from Mark Brown.
- APM cleanup from Jean Delvare.
- cpupower utility fixes and cleanups from Peter Senna Tschudin,
Andrey Utkin, Himangi Saraogi, Rickard Strandqvist, Thomas Renninger.
/
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Merge tag 'pm+acpi-3.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI and power management updates from Rafael Wysocki:
"Again, ACPICA leads the pack (47 commits), followed by cpufreq (18
commits) and system suspend/hibernation (9 commits).
From the new code perspective, the ACPICA update brings ACPI 5.1 to
the table, including a new device configuration object called _DSD
(Device Specific Data) that will hopefully help us to operate device
properties like Device Trees do (at least to some extent) and changes
related to supporting ACPI on ARM.
Apart from that we have hibernation changes making it use radix trees
to store memory bitmaps which should speed up some operations carried
out by it quite significantly. We also have some power management
changes related to suspend-to-idle (the "freeze" sleep state) support
and more preliminary changes needed to support ACPI on ARM (outside of
ACPICA).
The rest is fixes and cleanups pretty much everywhere.
Specifics:
- ACPICA update to upstream version 20140724. That includes ACPI 5.1
material (support for the _CCA and _DSD predefined names, changes
related to the DMAR and PCCT tables and ARM support among other
things) and cleanups related to using ACPICA's header files. A
major part of it is related to acpidump and the core code used by
that utility. Changes from Bob Moore, David E Box, Lv Zheng,
Sascha Wildner, Tomasz Nowicki, Hanjun Guo.
- Radix trees for memory bitmaps used by the hibernation core from
Joerg Roedel.
- Support for waking up the system from suspend-to-idle (also known
as the "freeze" sleep state) using ACPI-based PCI wakeup signaling
(Rafael J Wysocki).
- Fixes for issues related to ACPI button events (Rafael J Wysocki).
- New device ID for an ACPI-enumerated device included into the
Wildcat Point PCH from Jie Yang.
- ACPI video updates related to backlight handling from Hans de Goede
and Linus Torvalds.
- Preliminary changes needed to support ACPI on ARM from Hanjun Guo
and Graeme Gregory.
- ACPI PNP core cleanups from Arjun Sreedharan and Zhang Rui.
- Cleanups related to ACPI_COMPANION() and ACPI_HANDLE() macros
(Rafael J Wysocki).
- ACPI-based device hotplug cleanups from Wei Yongjun and Rafael J
Wysocki.
- Cleanups and improvements related to system suspend from Lan
Tianyu, Randy Dunlap and Rafael J Wysocki.
- ACPI battery cleanup from Wei Yongjun.
- cpufreq core fixes from Viresh Kumar.
- Elimination of a deadband effect from the cpufreq ondemand governor
and intel_pstate driver cleanups from Stratos Karafotis.
- 350MHz CPU support for the powernow-k6 cpufreq driver from Mikulas
Patocka.
- Fix for the imx6 cpufreq driver from Anson Huang.
- cpuidle core and governor cleanups from Daniel Lezcano, Sandeep
Tripathy and Mohammad Merajul Islam Molla.
- Build fix for the big_little cpuidle driver from Sachin Kamat.
- Configuration fix for the Operation Performance Points (OPP)
framework from Mark Brown.
- APM cleanup from Jean Delvare.
- cpupower utility fixes and cleanups from Peter Senna Tschudin,
Andrey Utkin, Himangi Saraogi, Rickard Strandqvist, Thomas
Renninger"
* tag 'pm+acpi-3.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (118 commits)
ACPI / LPSS: add LPSS device for Wildcat Point PCH
ACPI / PNP: Replace faulty is_hex_digit() by isxdigit()
ACPICA: Update version to 20140724.
ACPICA: ACPI 5.1: Update for PCCT table changes.
ACPICA/ARM: ACPI 5.1: Update for GTDT table changes.
ACPICA/ARM: ACPI 5.1: Update for MADT changes.
ACPICA/ARM: ACPI 5.1: Update for FADT changes.
ACPICA: ACPI 5.1: Support for the _CCA predifined name.
ACPICA: ACPI 5.1: New notify value for System Affinity Update.
ACPICA: ACPI 5.1: Support for the _DSD predefined name.
ACPICA: Debug object: Add current value of Timer() to debug line prefix.
ACPICA: acpihelp: Add UUID support, restructure some existing files.
ACPICA: Utilities: Fix local printf issue.
ACPICA: Tables: Update for DMAR table changes.
ACPICA: Remove some extraneous printf arguments.
ACPICA: Update for comments/formatting. No functional changes.
ACPICA: Disassembler: Add support for the ToUUID opererator (macro).
ACPICA: Remove a redundant cast to acpi_size for ACPI_OFFSET() macro.
ACPICA: Work around an ancient GCC bug.
ACPI / processor: Make it possible to get local x2apic id via _MAT
...
This patch set consists of the usual driver updates (ufs, storvsc, pm8001
hpsa). It also has removal of the user space target driver code (everyone is
using LIO now), a partial PCI MSI-X update, more multi-queue updates,
conversion to 64 bit LUNs (so we could theoretically cope with any LUN
returned by a device) and placeholder support for the ZBC device type (Shingle
drives), plus an assortment of minor updates and bug fixes.
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI updates from James Bottomley:
"This patch set consists of the usual driver updates (ufs, storvsc,
pm8001 hpsa). It also has removal of the user space target driver
code (everyone is using LIO now), a partial PCI MSI-X update, more
multi-queue updates, conversion to 64 bit LUNs (so we could
theoretically cope with any LUN returned by a device) and placeholder
support for the ZBC device type (Shingle drives), plus an assortment
of minor updates and bug fixes"
* tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (143 commits)
scsi: do not issue SCSI RSOC command to Promise Vtrak E610f
vmw_pvscsi: Use pci_enable_msix_exact() instead of pci_enable_msix()
pm8001: Fix invalid return when request_irq() failed
lpfc: Remove superfluous call to pci_disable_msix()
isci: Use pci_enable_msix_exact() instead of pci_enable_msix()
bfa: Use pci_enable_msix_exact() instead of pci_enable_msix()
bfa: Cleanup bfad_setup_intr() function
bfa: Do not call pci_enable_msix() after it failed once
fnic: Use pci_enable_msix_exact() instead of pci_enable_msix()
scsi: use short driver name for per-driver cmd slab caches
scsi_debug: support scsi-mq, queues and locks
Drivers: add blist flags
scsi: ufs: fix endianness sparse warnings
scsi: ufs: make undeclared functions static
bnx2i: Update driver version to 2.7.10.1
pm8001: fix a memory leak in nvmd_resp
pm8001: fix update_flash
pm8001: fix a memory leak in flash_update
pm8001: Cleaning up uninitialized variables
pm8001: Fix to remove null pointer checks that could never happen
...
There've been many updates in ASoC side at this time, especially the
framework enhancement for multiple CODECs on a single DAI and more
componentization works. The only major change in ALSA core is the
addition of timestamp type in sw_params field. This should behave in
backward compatible way. Other than that, there are lots of small
changes and new drivers in wide range, including a large code cut in
HD-audio driver for deprecated static quirks. Some highlights are
below:
ALSA Core:
- Add the new timestamp type field to sw_params to choose
MONOTONIC_RAW type
HD-audio:
- Continued conversion to standard printk macros, generic code
cleanups
- Removal of obsoleted static quirk codes for Conexant and C-Media
codecs
- Fixups for HP Envy TS, Dell XPS 15, HP and Dell mute/mic LED,
Gigabyte BXBT-2807 mobo
- Intel Braswell support
ASoC:
- Support for multiple CODECs attached to a single DAI, enabling
systems with for example multiple DAC/speaker drivers on a single
link, contributed by Benoit Cousson based on work from Misael Lopez
Cruz
- Support for byte controls larger than 256 bytes based on the use of
TLVs contributed by Omair Mohammed Abdullah
- More componentisation work from Lars-Peter Clausen
- The remainder of the conversions of CODEC drivers to params_width()
by Mark Brown
- Drivers for Cirrus Logic CS4265, Freescale i.MX ASRC blocks, Realtek
RT286 and RT5670, Rockchip RK3xxx I2S controllers and Texas
Instruments TAS2552
- Lots of updates and fixes, especially to the DaVinci, Intel,
Freescale, Realtek, and rcar drivers
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Merge tag 'sound-3.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound updates from Takashi Iwai:
"There've been many updates in ASoC side at this time, especially the
framework enhancement for multiple CODECs on a single DAI and more
componentization works.
The only major change in ALSA core is the addition of timestamp type
in sw_params field. This should behave in backward compatible way.
Other than that, there are lots of small changes and new drivers in
wide range, including a large code cut in HD-audio driver for
deprecated static quirks. Some highlights are below:
ALSA Core:
- Add the new timestamp type field to sw_params to choose
MONOTONIC_RAW type
HD-audio:
- Continued conversion to standard printk macros, generic code
cleanups
- Removal of obsoleted static quirk codes for Conexant and C-Media
codecs
- Fixups for HP Envy TS, Dell XPS 15, HP and Dell mute/mic LED,
Gigabyte BXBT-2807 mobo
- Intel Braswell support
ASoC:
- Support for multiple CODECs attached to a single DAI, enabling
systems with for example multiple DAC/speaker drivers on a single
link, contributed by Benoit Cousson based on work from Misael Lopez
Cruz
- Support for byte controls larger than 256 bytes based on the use of
TLVs contributed by Omair Mohammed Abdullah
- More componentisation work from Lars-Peter Clausen
- The remainder of the conversions of CODEC drivers to params_width()
by Mark Brown
- Drivers for Cirrus Logic CS4265, Freescale i.MX ASRC blocks,
Realtek RT286 and RT5670, Rockchip RK3xxx I2S controllers and Texas
Instruments TAS2552
- Lots of updates and fixes, especially to the DaVinci, Intel,
Freescale, Realtek, and rcar drivers"
* tag 'sound-3.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (402 commits)
ALSA: usb-audio: Whitespace cleanups for sound/usb/midi.*
ALSA: usb-audio: Respond to suspend and resume callbacks for MIDI input
sound/oss/pss: Remove typedefs pss_mixerdata and pss_confdata
sound/oss/opl3: Remove typedef opl_devinfo
ALSA: fireworks: fix specifiers in format strings for propper output
ASoC: imx-audmux: Use uintptr_t for port numbers
ASoC: davinci: Enable menuconfig entry for McASP
ASoC: fsl_asrc: Don't access members of config before checking it
ASoC: fsl_sarc_dma: Check pair before using it
ASoC: adau1977: Fix truncation warning on 64 bit architectures
ALSA: virtuoso: add Xonar Essence STX II support
ALSA: riptide: fix %d confusingly prefixed with 0x in format strings
ALSA: fireworks: fix %d confusingly prefixed with 0x in format strings
ALSA: hda - add codec ID for Braswell display audio codec
ALSA: hda - add PCI IDs for Intel Braswell
ALSA: usb-audio: Adjust Gamecom 780 volume level
ALSA: usb-audio: improve dmesg source grepability
ASoC: rt5670: Fix duplicate const warnings
ASoC: rt5670: Staticise non-exported symbols
ASoC: Intel: update stream only on stream IPC msgs
...
* misc. fixes in SSI related drivers
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Merge tag 'hsi-for-3.17' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-hsi
Pull HSI changes from Sebastian Reichel:
"Misc fixes in SSI related drivers"
* tag 'hsi-for-3.17' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-hsi:
HSI: omap_ssi: Fix return value check in ssi_debug_add_ctrl()
HSI: omap_ssi_port: Fix return value check in ssi_debug_add_port()
HSI: ssi_protocol: Fix sparse non static symbol warning
drivers/hsi/controllers/omap_ssi{,_port}.c: fix failure checks
The function is used by VFIO driver, which might be built as a
dynamic module. So it should be exported.
Signed-off-by: Gavin Shan <gwshan@linux.vnet.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Although RCU protection would be possible during diag dump, doing
so allows for concurrent table mutations which can render the
in-table offset between individual Netlink messages invalid and
thus cause legitimate sockets to be skipped in the dump.
Since the diag dump is relatively low volume and consistency is
more important than performance, the table mutex is held during
dump.
Reported-by: Andrey Wagin <avagin@gmail.com>
Signed-off-by: Thomas Graf <tgraf@suug.ch>
Fixes: e341694e3e ("netlink: Convert netlink_lookup() to use RCU protected hash table")
Signed-off-by: David S. Miller <davem@davemloft.net>
Using uninitialized_var reports a false positive for "Missing blank line
after declarations".
Fix it by adding uninitialized_var to the $declaration_macros exceptions
list.
Move the macro list after $Type is declared.
Add optional prefixes to DECLARE_<FOO> and DEFINE_<BAR>
macro declarations to allow forms like:
MLX4_DECLARE_DOORBELL_LOCK
Signed-off-by: Joe Perches <joe@perches.com>
Reported-by: Dotan Barak <dotanb@mellanox.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Checkpatch already complains when people break up quoted strings but
it's still pretty common. One mistake that people often make is they
leave out the space character between the two strings.
This check adds around 450 new warnings and has a low rate of false
positives.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Cc: Andy Whitcroft <apw@canonical.com>
Acked-by: Joe Perches <joe@perches.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Commit 89da401f6cff ("checkpatch: improve "no space after cast" test")
in -next improved the cast test for non pointer types, but also
introduced false positives for some types of static inlines.
Add a test for an open brace to the exclusions to avoid these false
positives.
Signed-off-by: Joe Perches <joe@perches.com>
Reported-by: Hartley Sweeten <HartleyS@visionengravers.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Using --file mode can give false positives with MISSING_BREAK
fall-through warnings on simple but long multiple consecutive case
statements.
Look for all lines before a case statement for a switch or a statement
when using --file mode.
Fix a misspelling of preceded while there.
Signed-off-by: Joe Perches <joe@perches.com>
Reported-by: Lee Jones <lee.jones@linaro.org>
Acked-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
c90 section "6.7.2 Type Specifiers" says:
"type specifiers may occur in any order"
That means that:
short int is the same as int short
unsigned short int is the same as int unsigned short
etc...
checkpatch currently parses only a subset of these allowed types.
For instance: "unsigned short" and "signed short" are found by
checkpatch as a specific type, but none of the or "int short" or "int
signed short" variants are found.
Add another table for the "kernel style misordered" variants.
Add this misordered table to the findable types.
Warn when the misordered style is used.
This improves the "Missing a blank line after declarations" test as it
depends on the correct parsing of the $Declare variable which looks for
"$Type $Ident;" (ie: declarations like "int foo;").
Signed-off-by: Joe Perches <joe@perches.com>
Acked-by: Andy Whitcroft <apw@canonical.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Current generic types are unsigned or unspecified. Add signed to the
types.
Reorder the types to find the longest match first.
Signed-off-by: Joe Perches <joe@perches.com>
Acked-by: Andy Whitcroft <apw@canonical.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
short int is one of the 6.7.2 c90 types.
Find it appropriately.
This fixes a defect in checkpatch where it suggests that a line break
after declaration is required using an input like:
int foo;
short int bar;
Without this change, it warns on the short int line.
Signed-off-by: Joe Perches <joe@perches.com>
Reported-by: Hartley Sweeten <HartleyS@visionengravers.com>
Acked-by: Andy Whitcroft <apw@canonical.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
All the various for_each loop macros were not tested for trailing brace
on the following lines and for bad indentation.
Add them.
Signed-off-by: Joe Perches <joe@perches.com>
Reported-by: Greg KH <gregkh@linuxfoundation.org>
Cc: Andy Whitcroft <apw@canonical.com
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Add --fix corrections for ELSE_AFTER_BRACE and WHILE_AFTER_BRACE
misuses.
if (x) {
...
}
else {
...
}
is corrected to
if (x) {
...
} else {
...
}
and
do {
...
}
while (x);
is corrected to
do {
...
} while (x);
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Style misuses of these types are corrected:
typedef struct foo
{
int bar;
};
int foo(int bar) { return bar+1;
}
int foo(int bar) {
return bar+1;
}
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
I copied the which subroutine from get_maintainer.pl.
Unfortunately, get_maintainer uses a 4 space indentation so use the
proper tab indentation instead.
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Neaten the uses of patch/file line insertions or deletions. Hide the
mechanism used.
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This can be valuable to insert or delete blank lines as well as fix
misplaced brace or else uses.
Store indexes of lines to be added/deleted and the new lines.
When creating the --fix file, insert or delete the appropriate lines and
update the patch range information.
Signed-off-by: Joe Perches <joe@perches.com>
Cc: Andy Whitcroft <apw@canonical.com>
Cc: Dan Carpenter <dan.carpenter@oracle.com>
Cc: Josh Triplett <josh@joshtriplett.org>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Make the fix code a bit easier to read.
This should also start to allow an easier mechanism to insert/delete
lines eventually too.
Signed-off-by: Joe Perches <joe@perches.com>
Cc: Andy Whitcroft <apw@canonical.com>
Cc: Dan Carpenter <dan.carpenter@oracle.com>
Cc: Josh Triplett <josh@joshtriplett.org>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Using break; after a goto or return is unnecessary so emit a warning
when the break is at the same indent level.
So this emits a warning on:
switch (foo) {
case 1:
goto err;
break;
}
but not on:
switch (foo) {
case 1:
if (bar())
goto err;
break;
}
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Whenever files are added, moved, or deleted, the MAINTAINERS file
patterns can be out of sync or outdated.
To try to keep MAINTAINERS more up-to-date, add a one-time warning
whenever a patch does any of those.
Signed-off-by: Joe Perches <joe@perches.com>
Acked-by: Andy Whitcroft <apw@canonical.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Commit logs have various forms of commit id references.
Try to standardize on a 12 character long lower case commit id along
with a description of parentheses and the quoted subject line.
ie: commit 0123456789ab ("commit description")
If git and a git tree exists, look up the commit id and emit the
appropriate line as part of the message.
Signed-off-by: Joe Perches <joe@perches.com>
Requested-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Avoid matching allocs that appear to be known small multiplications of a
sizeof with a constant because gcc as of 4.8 cannot optimize the code in
a calloc() exactly the same way as an alloc().
Look for numeric constants or what appear to be upper case only macro
#defines.
Signed-off-by: Joe Perches <joe@perches.com>
Reported-by: Theodore Ts'o <tytso@mit.edu>
Original-patch-by: Fabian Frederick <fabf@skynet.be>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This --strict test previously worked only for what appeared to be cast
to pointer types.
Make it work for all casts.
Also, there's no reason to show the previous line for this type of
message, so don't.
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
checkpatch's $Type variable does not match declarations of multiple
const * types.
This can produce false positives for things like:
$ ./scripts/checkpatch.pl -f drivers/staging/comedi/comedidev.h
WARNING: Missing a blank line after declarations
#60: FILE: drivers/staging/comedi/comedidev.h:60:
+ const struct comedi_lrange *range_table;
+ const struct comedi_lrange *const *range_table_list;
Fix the $Type variable to support matching multiple "* const" uses.
Signed-off-by: Joe Perches <joe@perches.com>
Reported-by: Hartley Sweeten <HartleyS@visionengravers.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Parentheses around &(foo->bar) and *(foo->bar) are unnecessary. Emit a
--strict only message on these uses.
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Editing Kconfig dependencies can emit unnecessary messages about missing
or too short help entries.
Only emit the message when adding help sections to Kconfig files.
Signed-off-by: Joe Perches <joe@perches.com>
Reported-by: Jean Delvare <jdelvare@suse.de>
Tested-by: Jean Delvare <jdelvare@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Make it consistent with the other missing or multiple blank line tests.
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Multiple consecutive blank lines waste screen space. Emit a --strict
only message with these blank lines.
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Add a --strict test asking for a blank line after
function/struct/union/enum declarations.
Allow exceptions for several attributes and macro uses.
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This might help a kernel hacker think twice before blindly adding a
newline.
Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Acked-by: Joe Perches <joe@perches.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
There are some patches created by git format-patch that when scanned by
checkpatch report errors on lines like
To: address.tld
This is a checkpatch false positive.
Improve the logic a bit to ignore folded email headers to avoid emitting
these messages.
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Add a function pointer declaration check to the test for blank line
needed after declarations.
Signed-off-by: Joe Perches <joe@perches.com>
Reported-by: Bruce W Allan <bruce.w.allan@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
