- 12 Jan, 2016 2 commits
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Rafael J. Wysocki authored
* acpi-soc: PM / clk: don't leave clocks enabled when driver not bound i2c: dw: Add APM X-Gene ACPI I2C device support ACPI / APD: Add APM X-Gene ACPI I2C device support ACPI / LPSS: change 'does not have' to 'has' in comment Revert "dmaengine: dw: platform: provide platform data for Intel" dmaengine: dw: return immediately from IRQ when DMA isn't in use dmaengine: dw: platform: power on device on shutdown ACPI / LPSS: override power state for LPSS DMA device ACPI / LPSS: power on when probe() and otherwise when remove() ACPI / LPSS: do delay for all LPSS devices when D3->D0 ACPI / LPSS: allow to use specific PM domain during ->probe() Revert "ACPI / LPSS: allow to use specific PM domain during ->probe()" device core: add BUS_NOTIFY_DRIVER_NOT_BOUND notification x86/platform/iosf_mbi: Remove duplicate definitions Conflicts: drivers/i2c/busses/i2c-designware-platdrv.c
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Rafael J. Wysocki authored
* device-properties: device property: avoid allocations of 0 length device property: the secondary fwnode needs to depend on the primary device property: add spaces to PROPERTY_ENTRY_STRING macro include/linux/property.h: fix build issues with gcc-4.4.4 i2c: designware: Convert to use unified device property API mfd: intel-lpss: Pass HSUART configuration via properties mfd: intel-lpss: Pass SDA hold time to I2C host controller driver mfd: intel-lpss: Add support for passing device properties mfd: core: propagate device properties to sub devices drivers driver core: Do not overwrite secondary fwnode with NULL if it is set driver core: platform: Add support for built-in device properties device property: Take a copy of the property set device property: Fallback to secondary fwnode if primary misses the property device property: return -EINVAL when property isn't found in ACPI device property: improve readability of macros device property: helper macros for property entry creation device property: keep single value inplace device property: refactor built-in properties support device property: rename helper functions device property: always check for fwnode type
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- 10 Jan, 2016 1 commit
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Linus Torvalds authored
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- 09 Jan, 2016 4 commits
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git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsiLinus Torvalds authored
Pull SCSI fix from James Bottomley: "A single fix for machines with pages > 4k (PPC mostly). There's a bug in our optimal transfer size code where we don't account for pages > 4k and can set the transfer size to be less than the page size causing nasty failures" * tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: sd: Reject optimal transfer length smaller than page size
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git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pciLinus Torvalds authored
Pull PCI fixlet from Bjorn Helgaas: "This marks the TI DRA7xx host bridge driver as broken. Apparently it has never worked without some additional out-of-tree code, so I'm going to mark it broken now and remove it completely next cycle unless it's fixed" * tag 'pci-v4.4-fixes-4' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci: PCI: dra7xx: Mark driver as broken
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Michal Hocko authored
kernel test robot has reported the following crash: BUG: unable to handle kernel NULL pointer dereference at 00000100 IP: [<c1074df6>] __queue_work+0x26/0x390 *pdpt = 0000000000000000 *pde = f000ff53f000ff53 *pde = f000ff53f000ff53 Oops: 0000 [#1] PREEMPT PREEMPT SMP SMP CPU: 0 PID: 24 Comm: kworker/0:1 Not tainted 4.4.0-rc4-00139-g373ccbe5 #1 Workqueue: events vmstat_shepherd task: cb684600 ti: cb7ba000 task.ti: cb7ba000 EIP: 0060:[<c1074df6>] EFLAGS: 00010046 CPU: 0 EIP is at __queue_work+0x26/0x390 EAX: 00000046 EBX: cbb37800 ECX: cbb37800 EDX: 00000000 ESI: 00000000 EDI: 00000000 EBP: cb7bbe68 ESP: cb7bbe38 DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068 CR0: 8005003b CR2: 00000100 CR3: 01fd5000 CR4: 000006b0 Stack: Call Trace: __queue_delayed_work+0xa1/0x160 queue_delayed_work_on+0x36/0x60 vmstat_shepherd+0xad/0xf0 process_one_work+0x1aa/0x4c0 worker_thread+0x41/0x440 kthread+0xb0/0xd0 ret_from_kernel_thread+0x21/0x40 The reason is that start_shepherd_timer schedules the shepherd work item which uses vmstat_wq (vmstat_shepherd) before setup_vmstat allocates that workqueue so if the further initialization takes more than HZ we might end up scheduling on a NULL vmstat_wq. This is really unlikely but not impossible. Fixes: 373ccbe5 ("mm, vmstat: allow WQ concurrency to discover memory reclaim doesn't make any progress") Reported-by:
kernel test robot <ying.huang@linux.intel.com> Signed-off-by:
Michal Hocko <mhocko@suse.com> Tested-by:
Tetsuo Handa <penguin-kernel@i-love.sakura.ne.jp> Cc: stable@vger.kernel.org Cc: Andrew Morton <akpm@linux-foundation.org> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-socLinus Torvalds authored
Pull ARM SoC fixes from Arnd Bergmann: "This is the final small set of ARM SoC bug fixes for linux-4.4, almost all regressions: OMAP: - data corruption on the Nokia N900 flash Allwinner: - Two defconfig change to get USB working again ARM Versatile: - Interrupt numbers gone bad after an older bug fix Nomadik: - Crashes from incorrect L2 cache settings VIA vt8500: - SD/MMC support on WM8650 never worked" * tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: dts: vt8500: Add SDHC node to DTS file for WM8650 ARM: Fix broken USB support in multi_v7_defconfig for sunxi devices ARM: versatile: fix MMC/SD interrupt assignment ARM: nomadik: set latencies to 8 cycles ARM: OMAP2+: Fix onenand rate detection to avoid filesystem corruption ARM: Fix broken USB support in sunxi_defconfig
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- 08 Jan, 2016 16 commits
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git://git.kernel.org/pub/scm/virt/kvm/kvmLinus Torvalds authored
Pull KVM fix from Paolo Bonzini: "A simple fix. I'm sending it before the merge window, because it refines a patch found in your master branch but not yet in the kvm/next branch that is destined for 4.5" * tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: kvm: x86: only channel 0 of the i8254 is linked to the HPET
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pmLinus Torvalds authored
Pull ACPI fix from Rafael Wysocki: "Just one obvious fix that adds a missing function argument in ACPI code introduced recently (Kees Cook)" * tag 'pm+acpi-4.4-final' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: ACPI / property: avoid leaking format string into kobject name
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull x86 fixes from Ingo Molnar: "A handful of x86 fixes: - a syscall ABI fix, fixing an Android breakage - a Xen PV guest fix relating to the RTC device, causing a non-working console - a Xen guest syscall stack frame fix - an MCE hotplug CPU crash fix" * 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/numachip: Fix NumaConnect2 MMCFG PCI access x86/entry: Restore traditional SYSENTER calling convention x86/entry: Fix some comments x86/paravirt: Prevent rtc_cmos platform device init on PV guests x86/xen: Avoid fast syscall path for Xen PV guests x86/mce: Ensure offline CPUs don't participate in rendezvous process
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull scheduler fixes from Ingo Molnar: "Misc scheduler fixes" * 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: sched/core: Reset task's lockless wake-queues on fork() sched/core: Fix unserialized r-m-w scribbling stuff sched/core: Check tgid in is_global_init() sched/fair: Fix multiplication overflow on 32-bit systems
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull perf fixes from Ingo Molnar: "Two core subsystem fixes, plus a handful of tooling fixes" * 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: perf: Fix race in swevent hash perf: Fix race in perf_event_exec() perf list: Robustify event printing routine perf list: Add support for PERF_COUNT_SW_BPF_OUT perf hists browser: Fix segfault if use symbol filter in cmdline perf hists browser: Reset selection when refresh perf hists browser: Add NULL pointer check to prevent crash perf buildid-list: Fix return value of perf buildid-list -k perf buildid-list: Show running kernel build id fix
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull irq fix from Ingo Molnar: "Fixes a core IRQ subsystem deadlock" * 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: genirq: Prevent chip buslock deadlock
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git://git.kernel.dk/linux-blockLinus Torvalds authored
Pull block revert from Jens Axboe: "The previous pull request had a split fix for NVMe, however there are corner cases where that ends up blowing up. So let's revert it for 4.4. The regression isn't introduced in this cycle, and it's "just" a performance regression, not a stability/integrity issue" * 'for-linus' of git://git.kernel.dk/linux-block: Revert "block: Split bios on chunk boundaries"
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git://git.infradead.org/users/vkoul/slave-dmaLinus Torvalds authored
Pull dmaengine fixes from Vinod Koul: "Late fixes for 4.4 are three fixes for drivers which include a revert of mic-x100 fix which is causing regression, xgene fix for double IRQ and async_tx fix to use GFP_NOWAIT" * tag 'dmaengine-fix-4.4' of git://git.infradead.org/users/vkoul/slave-dma: dmaengine: xgene-dma: Fix double IRQ issue by setting IRQ_DISABLE_UNLAZY flag async_tx: use GFP_NOWAIT rather than GFP_IO dmaengine: Revert "dmaengine: mic_x100: add missing spin_unlock"
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git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/stagingLinus Torvalds authored
Pull dmi fix from Jean Delvare. * 'dmi-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging: firmware: dmi_scan: Fix UUID endianness for SMBIOS >= 2.6
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git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/soundLinus Torvalds authored
Pull sound fixes from Takashi Iwai: "A slightly higher volume than a new year's wish, but not too worrisome: a large LOC is only for HD-audio device-specific quirks, so fairly safe to apply. The rest ASoC fixes are all trivial and small; a simple replacement of mutex call with nested lock version, a few Arizona and Realtek codec fixes, and a regression fix for Skylake firmware handling" * tag 'sound-4.4' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: ASoC: Intel: Skylake: Fix the memory leak ASoC: Intel: Skylake: Revert previous broken fix memory leak fix ASoC: Use nested lock for snd_soc_dapm_mutex_lock ASoC: rt5645: add sys clk detection ALSA: hda - Add keycode map for alc input device ALSA: hda - Add mic mute hotkey quirk for Lenovo ThinkCentre AIO ASoC: arizona: Fix bclk for sample rates that are multiple of 4kHz
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Arnd Bergmann authored
Merge tag 'omap-for-v4.4/onenand-corruption' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into fixes Pull "urgent onenand file system corruption fix for n900" from Tony Lindgren: Last minute urgent pull request to prevent file system corruption on Nokia N900. Looks like we have a GPMC bus timing bug that has gone unnoticed because of bootloader configured registers until few days ago. We are not detecting the onenand clock rate properly unless we have CONFIG_OMAP_GPMC_DEBUG set and this causes onenand corruption that can be easily be reproduced. There seems to be also an additional bug still lurking around for onenand corruption. But that is still being investigated and it does not seem to be GPMC timings related. Meanwhile, it would be good to get this fix into v4.4 to prevent wrong timings from corrupting onenand. * tag 'omap-for-v4.4/onenand-corruption' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap: ARM: OMAP2+: Fix onenand rate detection to avoid filesystem corruption
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Jens Axboe authored
This reverts commit d3805611. If we end up splitting on the first segment, we don't adjust the sector count. That results in hitting a BUG() with attempting to split 0 sectors. As this is just a performance issue and not a regression since 4.3 release, let's just rever this change. That gives us more time to test a real fix for 4.5, which would be marked for stable anyway.
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Richard Cochran authored
Mark the dra7xx PCI host driver as broken. This driver was first merged in v3.17 and has never worked. Although the driver compiles just fine, it is missing an essential device reset. If the driver is included, the kernel locks up hard shortly after booting, before any console output appears. Signed-off-by:
Richard Cochran <richardcochran@gmail.com> Signed-off-by:
Bjorn Helgaas <bhelgaas@google.com>
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Andrea Arcangeli authored
The dmi_ver wasn't updated correctly before the dmi_decode method run to save the uuid. That resulted in "dmidecode -s system-uuid" and /sys/class/dmi/id/product_uuid disagreeing. The latter was buggy and this fixes it. Reported-by:
Federico Simoncelli <fsimonce@redhat.com> Fixes: 9f9c9cbb ("drivers/firmware/dmi_scan.c: fetch dmi version from SMBIOS if it exists") Fixes: 79bae42d ("dmi_scan: refactor dmi_scan_machine(), {smbios,dmi}_present()") Signed-off-by:
Andrea Arcangeli <aarcange@redhat.com> Signed-off-by:
Jean Delvare <jdelvare@suse.de>
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Andy Shevchenko authored
There is a new notification BUS_NOTIFY_DRIVER_NOT_BOUND that is issued when driver fails during binding. In such case pm_clk_notify(), when PM_CLK=n, leaves clocks enabled. Undo operations that have been done in BUS_NOTIFY_BIND_DRIVER case. Signed-off-by:
Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by:
Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Kees Cook authored
The dn->name is expected to be used as a literal, so add the missing "%s". Fixes: 263b4c1a (ACPI / property: Expose data-only subnodes via sysfs) Signed-off-by:
Kees Cook <keescook@chromium.org> Signed-off-by:
Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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- 07 Jan, 2016 17 commits
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git://people.freedesktop.org/~airlied/linuxLinus Torvalds authored
Pull drm nouveau fix from Dave Airlie: "Still not back to work, but I decided to forward this fix" * 'drm-fixes' of git://people.freedesktop.org/~airlied/linux: drm/nouveau/gr/nv40: fix oops in interrupt handler
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git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommuLinus Torvalds authored
Pull IOMMU fixes from Joerg Roedel: - Two build issues, one in the ipmmu-vmsa driver and one for the new generic dma-api implemention used on arm64 - A performance fix for said dma-api implemention - An issue caused by a wrong offset in map_sg in the same code as above * tag 'iommu-fixes-v4.4-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu: iommu/dma: Use correct offset in map_sg iommu/ipmmu-vmsa: Don't truncate ttbr if LPAE is not enabled iommu/dma: Avoid unlikely high-order allocations iommu/dma: Add some missing #includes
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git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-traceLinus Torvalds authored
Pull ftrace fix from Steven Rostedt: "PeiyangX Qiu reported that if a module fails to load between calling ftrace_module_init() and do_init_module() that the allocations made in ftrace_module_init() will not be freed, resulting in a memory leak. The solution is to call ftrace_release_mod() on the failing module in the fail path befor do_init_module() is called. This will remove any allocations made for that module, and nothing if ftrace_module_init() wasn't called yet for that module. Note, once do_init_module() is called, the MODULE_GOING notifiers are called for the failed module, which calls into the ftrace code to do the proper clean up (basically calling ftrace_release_mod())" * tag 'trace-v4.4-rc4-4' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace: ftrace/module: Call clean up function when module init fails early
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Steven Rostedt (Red Hat) authored
If the module init code fails after calling ftrace_module_init() and before calling do_init_module(), we can suffer from a memory leak. This is because ftrace_module_init() allocates pages to store the locations that ftrace hooks are placed in the module text. If do_init_module() fails, it still calls the MODULE_GOING notifiers which will tell ftrace to do a clean up of the pages it allocated for the module. But if load_module() fails before then, the pages allocated by ftrace_module_init() will never be freed. Call ftrace_release_mod() on the module if load_module() fails before getting to do_init_module(). Link: http://lkml.kernel.org/r/567CEA31.1070507@intel.comReported-by:
"Qiu, PeiyangX" <peiyangx.qiu@intel.com> Fixes: a949ae56 "ftrace/module: Hardcode ftrace_module_init() call into load_module()" Cc: stable@vger.kernel.org # v2.6.38+ Acked-by:
Rusty Russell <rusty@rustcorp.com.au> Signed-off-by:
Steven Rostedt <rostedt@goodmis.org>
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Roman Volkov authored
Since WM8650 has the same 'WMT' SDHC controller as WM8505, and the driver is already in the kernel, this node enables the controller support for WM8650 Signed-off-by:
Roman Volkov <rvolkov@v1ros.org> Reviewed-by:
Alexey Charkov <alchark@gmail.com> Cc: stable@vger.kernel.org Signed-off-by:
Arnd Bergmann <arnd@arndb.de>
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Timo Sigurdsson authored
Commit 69fb4dca ("power: Add an axp20x-usb-power driver") introduced a new driver for the USB power supply used on various Allwinner based SBCs. However, the driver was not added to multi_v7_defconfig which breaks USB support for some boards (e.g. LeMaker BananaPi) as the kernel will now turn off the USB power supply during boot by default if the driver isn't present. (This was not the case in linux 4.3 or lower where the USB power was always left on.) Hence, add the driver to multi_v7_defconfig in order to keep USB support working on those boards that require it. Signed-off-by:
Timo Sigurdsson <public_timo.s@silentcreek.de> Tested-by:
Timo Sigurdsson <public_timo.s@silentcreek.de> Acked-by:
Maxime Ripard <maxime.ripard@free-electrons.com> Signed-off-by:
Arnd Bergmann <arnd@arndb.de>
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Loc Ho authored
Enable APM X-Gene ACPI I2C device support by adding the corresponding ACPI ID. The platform ACPI APD corresponding change is required to provide the proper clock frequency input. Signed-off-by:
Loc Ho <lho@apm.com> Acked-by:
Mika Westerberg <mika.westerberg@linux.intel.com> Signed-off-by:
Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Loc Ho authored
Add APM X-Gene ACPI I2C device support by hooks into existent ACPI APD driver. To fully enable support, require another patch to add the X-Gene ACPI node into the DW I2C driver. Signed-off-by:
Loc Ho <lho@apm.com> Reviewed-by:
Ken Xue <Ken.Xue@amd.com> Signed-off-by:
Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Andy Shevchenko authored
The LPSS DMA device has neither _PS0 nor _PS3 method. Fix the wording in the comment line. Signed-off-by:
Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by:
Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Andy Shevchenko authored
Since we have a work around to prevent a system hangup we don't need to provide a platform data explicitly anymore. This reverts commit 175267b3. Signed-off-by:
Andy Shevchenko <andriy.shevchenko@linux.intel.com> Acked-by:
Vinod Koul <vinod.koul@intel.com> Signed-off-by:
Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Andy Shevchenko authored
There is no need to bother the hardware when all channels are idle. We have not to get any interrupts. Signed-off-by:
Andy Shevchenko <andriy.shevchenko@linux.intel.com> Acked-by:
Vinod Koul <vinod.koul@intel.com> Signed-off-by:
Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Andy Shevchenko authored
We have to call dw_dma_disable() to stop any ongoing transfer. On some platforms we can't do that since DMA device is powered off. Moreover we have no possibility at that point to check if the platform is affected or not. That's why we call pm_runtime_get_sync() / pm_runtime_put() unconditionally. On the other hand we can't use pm_runtime_suspended() because runtime PM framework is not fully used by the driver. Signed-off-by:
Andy Shevchenko <andriy.shevchenko@linux.intel.com> Acked-by:
Vinod Koul <vinod.koul@intel.com> Signed-off-by:
Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Andy Shevchenko authored
This is a third approach to workaround long standing issue with LPSS on BayTrail. First one [1] was reverted since it didn't resolve the issue comprehensively. Second one [2] was rejected by internal review. The LPSS DMA controller does not have neither _PS0 nor _PS3 method. Moreover it can be powered off automatically whenever the last LPSS device goes down. In case of no power any access to the DMA controller will hang the system. The behaviour is reproduced on some HP laptops based on Intel BayTrail [3,4] as well as on ASuS T100TA transformer. Power on the LPSS island through the registers accessible in a specific way. [1] http://www.spinics.net/lists/linux-acpi/msg53963.html [2] https://bugzilla.redhat.com/attachment.cgi?id=1066779&action=diff [3] https://bugzilla.redhat.com/show_bug.cgi?id=1184273 [4] http://www.spinics.net/lists/dmaengine/msg01514.htmlSigned-off-by:
Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by:
Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Paolo Bonzini authored
While setting the KVM PIT counters in 'kvm_pit_load_count', if 'hpet_legacy_start' is set, the function disables the timer on channel[0], instead of the respective index 'channel'. This is because channels 1-3 are not linked to the HPET. Fix the caller to only activate the special HPET processing for channel 0. Reported-by:
P J P <pjp@fedoraproject.org> Fixes: 0185604cSigned-off-by:
Paolo Bonzini <pbonzini@redhat.com>
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Robin Murphy authored
When mapping a non-page-aligned scatterlist entry, we copy the original offset to the output DMA address before aligning it to hand off to iommu_map_sg(), then later adding the IOVA page address portion to get the final mapped address. However, when the IOVA page size is smaller than the CPU page size, it is the offset within the IOVA page we want, not that within the CPU page, which can easily be larger than an IOVA page and thus result in an incorrect final address. Fix the bug by taking only the IOVA-aligned part of the offset as the basis of the DMA address, not the whole thing. Signed-off-by:
Robin Murphy <robin.murphy@arm.com> Signed-off-by:
Joerg Roedel <jroedel@suse.de>
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git://github.com/skeggsb/linuxDave Airlie authored
single nv40 oops fix. * 'linux-4.4' of git://github.com/skeggsb/linux: drm/nouveau/gr/nv40: fix oops in interrupt handler
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Rameshwar Prasad Sahu authored
For interrupt controller that doesn't support irq_disable and hardware with level interrupt, an extra interrupt can be pending. This patch fixes the issue by setting IRQ_DISABLE_UNLAZY flag for the interrupt line. Reference: http://git.kernel.org/tip/e9849777d0e27cdd2902805be51da73e7c79578cSigned-off-by:
Rameshwar Prasad Sahu <rsahu@apm.com> Signed-off-by:
Vinod Koul <vinod.koul@intel.com>
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