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2017-06-27scsi: qla2xxx: Enable Target Multi QueueQuinn Tran
Enable Multi Queue for Target mode. At Initiator LUN scan time, each LUN is assign to a QPair. Each QPair is affinitize to certain CPU. When new cmd arrives from the wire, the lunid is used to search for qpair. The qpair's affinitized cpuid will be used to queue up the work element. Signed-off-by: Quinn Tran <quinn.tran@cavium.com> Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2017-06-27scsi: qla2xxx: Preparation for Target MQ.Quinn Tran
In Current code, Req Q 0, RespQ 0 & hardware_lock are the main resources for sending and process completion of Target IO. These resources are now referenced behind a new qpair/"struct qla_qpair base_qpair". Main path IO handle will access those resources via the qpair pointer in preparation for Target MQ. Signed-off-by: Quinn Tran <quinn.tran@cavium.com> Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2017-06-27scsi: qla2xxx: Combine Active command arrays.Quinn Tran
Merge active/outstanding cmd arrays from target side and initiator side together in prepration for Target Multi Queue support. Signed-off-by: Quinn Tran <quinn.tran@cavium.com> Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2017-06-28ACPI: EC: Fix EC command visibility for dynamic debugLv Zheng
acpi_ec_cmd_string() currently is only enabled for "DEBUG" macro, but users trend to use CONFIG_DYNAMIC_DEBUG and enable ec.c pr_debug() print-outs by "dyndbg='file ec.c +p'". In this use case, all command names are turned into UNDEF and the log is confusing. This affects bugzilla triage work. This patch fixes this issue by enabling acpi_ec_cmd_string() for CONFIG_DYNAMIC_DEBUG. Tested-by: Wang Wendy <wendy.wang@intel.com> Tested-by: Feng Chenzhou <chenzhoux.feng@intel.com> Signed-off-by: Lv Zheng <lv.zheng@intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2017-06-28ACPI: EC: Fix an EC event IRQ storming issueLv Zheng
The EC event IRQ (SCI_EVT) can only be handled by submitting QR_EC. As the EC driver handles SCI_EVT in a workqueue, after SCI_EVT is flagged and before QR_EC is submitted, there is a period risking IRQ storming. EC IRQ must be masked for this period but linux EC driver never does so. No end user notices the IRQ storming and no developer fixes this known issue because: 1. The EC IRQ is always edge triggered GPE, and 2. The kernel can execute no-op EC IRQ handler very fast. For edge-triggered EC GPE platforms, it is only reported of post-resume EC event lost issues, there won't be an IRQ storming. For level triggered EC GPE platforms, fortunately the kernel is always fast enough to execute such a no-op EC IRQ handler so that the IRQ handler won't be accumulated to starve the task contexts, causing a real IRQ storming. But the IRQ storming actually can still happen when: 1. The EC IRQ performs like level triggered GPE, and 2. The kernel EC debugging log is turned on but the console is slow enough. There are more and more platforms using EC GPE as wake GPE where the EC GPE is likely designed as level triggered. Then when EC debugging log is enabled, the EC IRQ handler is no longer a no-op but dumps IRQ status to the consoles. If the consoles are slow enough, the EC IRQs can arrive much faster than executing the handler. Finally the accumulated EC event IRQ handlers starve the task contexts, causing the IRQ storming to occur, and the kernel hangs can be observed during boot/resume. This patch fixes this issue by masking EC IRQ for this period: 1. Begins when there is an SCI_EVT IRQ pending, and 2. Ends when there is a QR_EC completed (SCI_EVT acknowledged). Tested-by: Wang Wendy <wendy.wang@intel.com> Tested-by: Feng Chenzhou <chenzhoux.feng@intel.com> Signed-off-by: Lv Zheng <lv.zheng@intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2017-06-27drbd: Drop unnecessary staticJulia Lawall
Drop static on a local variable, when the variable is initialized before any use, on every possible execution path through the function. The static has no benefit, and dropping it reduces the code size. The semantic patch that fixes this problem is as follows: (http://coccinelle.lip6.fr/) // <smpl> @bad exists@ position p; identifier x; type T; @@ static T x@p; ... x = <+...x...+> @@ identifier x; expression e; type T; position p != bad.p; @@ -static T x@p; ... when != x when strict ?x = e; // </smpl> The change in code size is indicates by the following output from the size command. before: text data bss dec hex filename 67299 2291 1056 70646 113f6 drivers/block/drbd/drbd_nl.o after: text data bss dec hex filename 67283 2291 1056 70630 113e6 drivers/block/drbd/drbd_nl.o Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr> Signed-off-by: Roland Kammerer <roland.kammerer@linbit.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
2017-06-28PM / core: Drop run_wake flag from struct dev_pm_infoRafael J. Wysocki
The run_wake flag in struct dev_pm_info is used to indicate whether or not the device is capable of generating remote wakeup signals at run time (or in the system working state), but the distinction between runtime remote wakeup and system wakeup signaling has always been rather artificial. The only practical reason for it to exist at the core level was that ACPI and PCI treated those two cases differently, but that's not the case any more after recent changes. For this reason, get rid of the run_wake flag and, when applicable, use device_set_wakeup_capable() and device_can_wakeup() instead of device_set_run_wake() and device_run_wake(), respectively. Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com> Acked-by: Bjorn Helgaas <bhelgaas@google.com>
2017-06-28PCI / PM: Simplify device wakeup settings codeRafael J. Wysocki
After previous changes it is not necessary to distinguish between device wakeup for run time and device wakeup from system sleep states any more, so rework the PCI device wakeup settings code accordingly. Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com> Acked-by: Bjorn Helgaas <bhelgaas@google.com>
2017-06-28PCI / PM: Drop pme_interrupt flag from struct pci_devRafael J. Wysocki
The pme_interrupt flag in struct pci_dev is set when PMEs generated by the device are going to be signaled via root port PME interrupts. Ironically enough, that information is only used by the code setting up device wakeup through ACPI which returns as soon as it sees the pme_interrupt flag set while setting up "remote runtime wakeup". That is questionable, however, because in theory there may be PCIe devices using out-of-band PME signaling under root ports handled by the native PME code or devices requiring wakeup power setup to be carried out by AML. For such devices, ACPI wakeup should be invoked regardless of whether or not native PME signaling is used in general. For this reason, drop the pme_interrupt flag and rework the code using it which then allows the ACPI-based device wakeup handling in PCI to be consolidated to use one code path for both "runtime remote wakeup" and system wakeup (from sleep states). Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com> Acked-by: Bjorn Helgaas <bhelgaas@google.com>
2017-06-28ACPI / PM: Consolidate device wakeup settings codeRafael J. Wysocki
Currently, there are two separate ways of handling device wakeup settings in the ACPI core, depending on whether this is runtime wakeup or system wakeup (from sleep states). However, after the previous commit eliminating the run_wake ACPI device wakeup flag, there is no difference between the two any more at the ACPI level, so they can be combined. For this reason, introduce acpi_pm_set_device_wakeup() to replace both acpi_pm_device_run_wake() and acpi_pm_device_sleep_wake() and make it check the ACPI device object's wakeup.valid flag to determine whether or not the device can be set up to generate wakeup signals. Also notice that zpodd_enable/disable_run_wake() only call device_set_run_wake() because acpi_pm_device_run_wake() called device_run_wake(), which is not done by acpi_pm_set_device_wakeup(), so drop the now redundant device_set_run_wake() calls from there. Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com> Acked-by: Bjorn Helgaas <bhelgaas@google.com>
2017-06-28ACPI / PM: Drop run_wake from struct acpi_device_wakeup_flagsRafael J. Wysocki
The run_wake flag in struct acpi_device_wakeup_flags stores the information on whether or not the device can generate wakeup signals at run time, but in ACPI that really is equivalent to being able to generate wakeup signals at all. In fact, run_wake will always be set after successful executeion of acpi_setup_gpe_for_wake(), but if that fails, the device will not be able to use a wakeup GPE at all, so it won't be able to wake up the systems from sleep states too. Hence, run_wake actually means that the device is capable of triggering wakeup and so it is equivalent to the valid flag. For this reason, drop run_wake from struct acpi_device_wakeup_flags and make sure that the valid flag is only set if acpi_setup_gpe_for_wake() has been successful. Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com> Acked-by: Bjorn Helgaas <bhelgaas@google.com>
2017-06-27dax: remove default copy_from_iter fallbackDan Williams
Require all dax-drivers to register a ->copy_from_iter() operation so that it is clear which dax_operations are optional and which must be implemented for filesystem-dax to operate. Cc: Gerald Schaefer <gerald.schaefer@de.ibm.com> Suggested-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Dan Williams <dan.j.williams@intel.com>
2017-06-27libnvdimm, nfit: enable support for volatile rangesDan Williams
Allow volatile nfit ranges to participate in all the same infrastructure provided for persistent memory regions. A resulting resulting namespace device will still be called "pmem", but the parent region type will be "nd_volatile". This is in preparation for disabling the dax ->flush() operation in the pmem driver when it is hosted on a volatile range. Cc: Jan Kara <jack@suse.cz> Cc: Jeff Moyer <jmoyer@redhat.com> Cc: Christoph Hellwig <hch@lst.de> Cc: Matthew Wilcox <mawilcox@microsoft.com> Cc: Ross Zwisler <ross.zwisler@linux.intel.com> Signed-off-by: Dan Williams <dan.j.williams@intel.com>
2017-06-27nvme/pci: Fix stuck nvme resetKeith Busch
The controller state is set to resetting prior to disabling the controller, so this patch accounts for that state when deciding if it needs to freeze the queues. Without this, an 'nvme reset /dev/nvme0' blocks forever because the queues were never frozen. Fixes: 82b057caefaf ("nvme-pci: fix multiple ctrl removal scheduling") Signed-off-by: Keith Busch <keith.busch@intel.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Jens Axboe <axboe@kernel.dk>
2017-06-27libnvdimm, pmem: fix persistence warningDan Williams
The pmem driver assumes if platform firmware describes the memory devices associated with a persistent memory range and CONFIG_ARCH_HAS_PMEM_API=y that it has all the mechanism necessary to flush data to a power-fail safe zone. We warn if the firmware does not describe memory devices, but we also need to warn if the architecture does not claim pmem support. Cc: Jeff Moyer <jmoyer@redhat.com> Cc: Christoph Hellwig <hch@lst.de> Cc: Matthew Wilcox <mawilcox@microsoft.com> Cc: Ross Zwisler <ross.zwisler@linux.intel.com> Reviewed-by: Jan Kara <jack@suse.cz> Signed-off-by: Dan Williams <dan.j.williams@intel.com>
2017-06-27x86, libnvdimm, pmem: remove global pmem apiDan Williams
Now that all callers of the pmem api have been converted to dax helpers that call back to the pmem driver, we can remove include/linux/pmem.h and asm/pmem.h. Cc: <x86@kernel.org> Cc: Jeff Moyer <jmoyer@redhat.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: Christoph Hellwig <hch@lst.de> Cc: Toshi Kani <toshi.kani@hpe.com> Cc: Oliver O'Halloran <oohall@gmail.com> Cc: Ross Zwisler <ross.zwisler@linux.intel.com> Reviewed-by: Jan Kara <jack@suse.cz> Signed-off-by: Dan Williams <dan.j.williams@intel.com>
2017-06-27x86, libnvdimm, pmem: move arch_invalidate_pmem() to libnvdimmDan Williams
Kill this globally defined wrapper and move to libnvdimm so that we can ultimately remove include/linux/pmem.h and asm/pmem.h. Cc: <x86@kernel.org> Cc: Jeff Moyer <jmoyer@redhat.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: Christoph Hellwig <hch@lst.de> Cc: "H. Peter Anvin" <hpa@zytor.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Matthew Wilcox <mawilcox@microsoft.com> Cc: Ross Zwisler <ross.zwisler@linux.intel.com> Reviewed-by: Jan Kara <jack@suse.cz> Signed-off-by: Dan Williams <dan.j.williams@intel.com>
2017-06-27remoteproc/keystone: Fix circular dependencies for ARM configsSuman Anna
Drop the dependency on RESET_CONTROLLER for the Keystone remoteproc driver to resolve some circular dependencies around different choices for RESET_CONTROLLER on common ARM configs. This dependency is inherent as the RESET_CONTROLLER will be enabled due to the enabled ARCH_HAS_RESET_CONTROLLER for ARCH_KEYSTONE. Signed-off-by: Suman Anna <s-anna@ti.com> Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
2017-06-27remoteproc: Drop redundant REMOTEPROC dependency from driver KconfigsSuman Anna
All the remoteproc platform driver Kconfig symbols are defined and included under an if REMOTEPROC condition, so the dependency on REMOTEPROC is implicit and they do not need an explicit 'depends on REMOTEPROC' line. So, clean these up. Signed-off-by: Suman Anna <s-anna@ti.com> Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
2017-06-27remoteproc: Drop VIRTUALIZATION dependency from REMOTEPROCSuman Anna
A dependency to VIRTUALIZATION has been added to REMOTEPROC in v3.10 kernel in commit b9777859ec01 ("remoteproc: fix kconfig dependencies for VIRTIO") to resolve Kconfig warnings due to the inclusion of the virtio configuration file from the ARM's KVM config file. The KVM config was fixed properly in the subsequent release in commit 8bd4ffd6b3a9 ("ARM: kvm: don't include drivers/virtio/Kconfig"). So, drop this unneeded VIRTUALIZATION dependency from REMOTEPROC. Signed-off-by: Suman Anna <s-anna@ti.com> Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
2017-06-27rpmsg: Drop VIRTUALIZATION dependency from RPMSG_VIRTIOSuman Anna
A dependency to VIRTUALIZATION has been added to RPMSG_VIRTIO (back when it was named RPMSG) in v3.10 kernel in commit 397944df3290 ("rpmsg: fix kconfig dependencies for VIRTIO") to resolve Kconfig warnings due to the inclusion of the virtio configuration file from the ARM's KVM config file. The KVM config was fixed properly in the subsequent release in commit 8bd4ffd6b3a9 ("ARM: kvm: don't include drivers/virtio/Kconfig"). So, drop this unneeded VIRTUALIZATION dependency from RPMSG_VIRTIO. Signed-off-by: Suman Anna <s-anna@ti.com> Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
2017-06-28PM / QoS: constify *_attribute_group.Arvind Yadav
File size before: text data bss dec hex filename 3890 1152 8 5050 13ba drivers/base/power/sysfs.o File size After adding 'const': text data bss dec hex filename 4250 800 8 5058 13c2 drivers/base/power/sysfs.o Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com> Acked-by: Pavel Machek <pavel@ucw.cz> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2017-06-28PM / AVS: rockchip-io: add io selectors and supplies for rk3228David Wu
This adds the necessary data for handling io voltage domains on the rk3228. Signed-off-by: David Wu <david.wu@rock-chips.com> Reviewed-by: Heiko Stuebner <heiko@sntech.de> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2017-06-28powercap/RAPL: prevent overridding bits outside of the maskAdam Lessnau
Fixes wrong bits shift operation in the rapl_write_data_raw function, which might cause overridding bits outside of the mask. For example, writing new TIME_WINDOW1 value can override POWER_LIMIT1. Signed-off-by: Adam Lessnau <adam.lessnau@intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2017-06-28PM / sysfs: Constify attribute groupsKrzysztof Kozlowski
Local instances of struct attribute_group are not modified so they can be made const to increase code safeness. Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2017-06-28PM: Constify info string used in messagesKrzysztof Kozlowski
The 'info' string appearing in many places points to a .rodata string so it should be passes as pointer to const. Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2017-06-28PM: Constify returned PM event nameKrzysztof Kozlowski
The pm_verb() returns a pointer to string from .rodata so it should be marked as const. Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2017-06-28PM / Domains: Constify genpd pointerKrzysztof Kozlowski
Mark pointer to struct generic_pm_domain const (either passed in argument or used localy in a function), whenever it is not modifed by the function itself. Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org> Acked-by: Ulf Hansson <ulf.hansson@linaro.org> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2017-06-27ACPICA: Use designated initializersKees Cook
The struct layout randomization plugin detects and randomizes any structs that contain only function pointers. Once layout is randomized, all initialization must be designated or the compiler will misalign the assignments. This switches all the ACPICA function pointer struct to use designated initializers, using the proposed upstream ACPICA macro: https://github.com/acpica/acpica/pull/248/ Signed-off-by: Kees Cook <keescook@chromium.org> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2017-06-27Merge back ACPICA material for v4.13.Rafael J. Wysocki
2017-06-27ACPICA: Update a couple of debug output messagesBob Moore
ACPICA commit 809c1766598c7f3decaeeba2c6ed603c538d0270 Cleanup output. Link: https://github.com/acpica/acpica/commit/809c1766 Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Lv Zheng <lv.zheng@intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2017-06-27ACPICA: acpiexec: enhance local signal handlerBob Moore
ACPICA commit ffef4ae9a1b6032ebadeab2c2b806f0e585f0006 Add support for SIGSEGV Improve/cleanup SIGINT handling Link: https://github.com/acpica/acpica/commit/ffef4ae9 Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Lv Zheng <lv.zheng@intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2017-06-27ACPICA: Simplify output for the ACPI Debug ObjectBob Moore
ACPICA commit ea08cda9859d9f758f4832400b2d559847c2d52a Cleanup the output, change [Acpi Debug] to Acpi Debug: Link: https://github.com/acpica/acpica/commit/ea08cda9 Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Lv Zheng <lv.zheng@intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2017-06-27ACPICA: Improvements for debug output onlyBob Moore
ACPICA commit c3f798b7b0e4f2403d3ce0cc1107ab0932efe1e3 Changes to debug print and debug function tracing. Link: https://github.com/acpica/acpica/commit/c3f798b7 Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Lv Zheng <lv.zheng@intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2017-06-27ACPICA: Disassembler: allow conflicting external declarations to be emitted.Erik Schmauss
ACPICA commit 0ed9f2e2ccc112439eaa355b5952a05d6fdb7814 An external declaration is a conflicting declaration when a name has been declared as an external and a named object within the same file. Link: https://github.com/acpica/acpica/commit/0ed9f2e2 Signed-off-by: Erik Schmauss <erik.schmauss@intel.com> Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Lv Zheng <lv.zheng@intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2017-06-27ACPICA: Disassembler: add external op to namespace on first passErik Schmauss
ACPICA commit 117be4819588df3b7146f6f01723639b1d61e775 By doing so, external control method resolutions can be resolved like normal control methods. This eliminates the need to reparse the aml all over again for external control methods that were encoded within the aml with the 0x15 bytecode. Link: https://github.com/acpica/acpica/commit/117be481 Signed-off-by: Erik Schmauss <erik.schmauss@intel.com> Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Lv Zheng <lv.zheng@intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2017-06-27ACPICA: Disassembler: prevent external op's from opening a new scopeErik Schmauss
ACPICA commit c512c2bfcce65b8e8f37d549ac2fa4a1e0182e46 Since Externals could be of ACPI_TYPE_METHOD, there is a possibility that the acpi_ns_lookup may cause a new scope to be opened. Therefore, disable opening the scope for all acpi_ns_lookup invocations that deal with externals. Link: https://github.com/acpica/acpica/commit/c512c2bf Signed-off-by: Erik Schmauss <erik.schmauss@intel.com> Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Lv Zheng <lv.zheng@intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2017-06-27ACPICA: Changed Gbl_disasm_flag to acpi_gbl_disasm_flagErik Schmauss
ACPICA commit 0e0a87111f280c197661689979b2c48443b0326c This is a name change as well as a change in the scope of this flag. This is done so that it can be referenced in the dispatcher. Link: https://github.com/acpica/acpica/commit/0e0a8711 Signed-off-by: Erik Schmauss <erik.schmauss@intel.com> Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Lv Zheng <lv.zheng@intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2017-06-27ACPICA: Changing External to a named objectErik Schmauss
ACPICA commit 0d5dd42fd7d5129835b6d92250378a962eb73cb3 This is done so that the aml parser will build the parse tree of External Op as a named object. This is done to streamline creation of external op parse nodes and facilitate namespace resolution of externals. Link: https://github.com/acpica/acpica/commit/0d5dd42f Signed-off-by: Erik Schmauss <erik.schmauss@intel.com> Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Lv Zheng <lv.zheng@intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2017-06-27ACPICA: Update two error messages to emit control method nameBob Moore
ACPICA commit 73f7fab1376d5dbfda24cf51c1bb04df0d31b48e Intention is to improve debugging by clarifying which method has caused the error, in acpi_evaluate_object_typed. Link: https://github.com/acpica/acpica/commit/73f7fab1 Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Lv Zheng <lv.zheng@intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2017-06-27ACPICA: Fix for Device/Thermal objects with ObjectType and DerefOfBob Moore
ACPICA commit 89565151aa4db7b546d4935b187bf2c4a86885ee These types must be special cased because the namespace node does not contain a subobject as do all other types. Link: https://github.com/acpica/acpica/commit/89565151 Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Lv Zheng <lv.zheng@intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2017-06-27ACPICA: Update comments, no functional changeCao Jin
ACPICA commit 45eb6384fb47f4fdc5759f63c47a9b6799924972 Link: https://github.com/acpica/acpica/commit/45eb6384 Signed-off-by: Cao Jin <caoj.fnst@cn.fujitsu.com> Signed-off-by: Erik Schmauss <erik.schmauss@intel.com> Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Lv Zheng <lv.zheng@intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2017-06-27ACPICA: Split resource descriptor decode strings to a new fileBob Moore
ACPICA commit 00906ae0aff4c6b76abc232ef99700e7d7c0e325 There are enough of these strings to justify a separate file. Also, these strings are only used for the disassembler and the debugger. Thus, this change improves ACPICA modularity. Link: https://github.com/acpica/acpica/commit/00906ae0 Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Lv Zheng <lv.zheng@intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2017-06-27nfp: flower: add Kconfig for flower appJakub Kicinski
Give users an option not to build the flower-offload related code. Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com> Reviewed-by: Simon Horman <simon.horman@netronome.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-06-27nfp: allocate a private workqueue for driver workJakub Kicinski
Since we grab pf->lock around pci_enable_sriov() we can no longer safely queue work which may also grab that lock onto system workqueue. pci_enable_sriov() will flush system workqueue as part to wait for VF probing. Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com> Reviewed-by: Simon Horman <simon.horman@netronome.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-06-27nfp: reorder SR-IOV config and nfp_app SR-IOV callbacksJakub Kicinski
We previously assumed that app callback can be guaranteed to be executed before SR-IOV is actually enabled. Given that we can't guarantee that SR-IOV will be disabled during probe or that we will be able to disable it on remove, we should reorder the callbacks. We should also call the app's sriov_enable if SR-IOV was enabled during probe. Application FW must be able to disable VFs internally and not depend on them being removed at PCIe level. Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com> Reviewed-by: Simon Horman <simon.horman@netronome.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-06-27nfp: handle SR-IOV already enabled when driver is probingJakub Kicinski
We assumed that when we probe number of enabled VFs will be at 0. This doesn't have to be the case for example if previous driver left SR-IOV enabled due to some VFs being assigned. Read the number of VFs enabled. Fail probe if it's above current FWs limit. Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com> Reviewed-by: Simon Horman <simon.horman@netronome.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-06-27nfp: wire get_phys_port_name on representorsJakub Kicinski
Make nfp_port_get_phys_port_name() support new port types and wire it up to representors' struct net_device_ops. Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com> Reviewed-by: Simon Horman <simon.horman@netronome.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-06-27nfp: allow converting representor's netdev into nfp_portJakub Kicinski
Based on struct net_device_ops figure out if netdev is a nfp_repr. Use this knowledge to convert netdev directly to nfp_port. Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com> Reviewed-by: Simon Horman <simon.horman@netronome.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-06-27nfp: move representors' struct net_device_ops to shared codeJakub Kicinski
Apps shouldn't declare their own struct net_device_ops for representors, this makes sharing code harder. Add necessary nfp_app callbacks and move the definition of representors' struct net_device_ops to common code. Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com> Reviewed-by: Simon Horman <simon.horman@netronome.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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