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* drivers/misc: add Aspeed LPC snoop driverRobert Lippert2017-06-031-0/+1
| | | | | | | | | | | | | | | | This driver enables the LPC snoop hardware on the ASPEED BMC which generates an interrupt upon every write to an I/O port by the host. This is typically used to monitor BIOS boot progress by listening to well-known debug port 80h. The functionality in this commit just saves all snooped values to a circular 2K buffer in the kernel, subsequent commits can act on the values to do things with them. Signed-off-by: Robert Lippert <rlippert@google.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* Merge tag 'pci-v4.12-changes' of ↵Linus Torvalds2017-05-081-0/+1
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci Pull PCI updates from Bjorn Helgaas: - add framework for supporting PCIe devices in Endpoint mode (Kishon Vijay Abraham I) - use non-postable PCI config space mappings when possible (Lorenzo Pieralisi) - clean up and unify mmap of PCI BARs (David Woodhouse) - export and unify Function Level Reset support (Christoph Hellwig) - avoid FLR for Intel 82579 NICs (Sasha Neftin) - add pci_request_irq() and pci_free_irq() helpers (Christoph Hellwig) - short-circuit config access failures for disconnected devices (Keith Busch) - remove D3 sleep delay when possible (Adrian Hunter) - freeze PME scan before suspending devices (Lukas Wunner) - stop disabling MSI/MSI-X in pci_device_shutdown() (Prarit Bhargava) - disable boot interrupt quirk for ASUS M2N-LR (Stefan Assmann) - add arch-specific alignment control to improve device passthrough by avoiding multiple BARs in a page (Yongji Xie) - add sysfs sriov_drivers_autoprobe to control VF driver binding (Bodong Wang) - allow slots below PCI-to-PCIe "reverse bridges" (Bjorn Helgaas) - fix crashes when unbinding host controllers that don't support removal (Brian Norris) - add driver for MicroSemi Switchtec management interface (Logan Gunthorpe) - add driver for Faraday Technology FTPCI100 host bridge (Linus Walleij) - add i.MX7D support (Andrey Smirnov) - use generic MSI support for Aardvark (Thomas Petazzoni) - make Rockchip driver modular (Brian Norris) - advertise 128-byte Read Completion Boundary support for Rockchip (Shawn Lin) - advertise PCI_EXP_LNKSTA_SLC for Rockchip root port (Shawn Lin) - convert atomic_t to refcount_t in HV driver (Elena Reshetova) - add CPU IRQ affinity in HV driver (K. Y. Srinivasan) - fix PCI bus removal in HV driver (Long Li) - add support for ThunderX2 DMA alias topology (Jayachandran C) - add ThunderX pass2.x 2nd node MCFG quirk (Tomasz Nowicki) - add ITE 8893 bridge DMA alias quirk (Jarod Wilson) - restrict Cavium ACS quirk only to CN81xx/CN83xx/CN88xx devices (Manish Jaggi) * tag 'pci-v4.12-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci: (146 commits) PCI: Don't allow unbinding host controllers that aren't prepared ARM: DRA7: clockdomain: Change the CLKTRCTRL of CM_PCIE_CLKSTCTRL to SW_WKUP MAINTAINERS: Add PCI Endpoint maintainer Documentation: PCI: Add userguide for PCI endpoint test function tools: PCI: Add sample test script to invoke pcitest tools: PCI: Add a userspace tool to test PCI endpoint Documentation: misc-devices: Add Documentation for pci-endpoint-test driver misc: Add host side PCI driver for PCI test function device PCI: Add device IDs for DRA74x and DRA72x dt-bindings: PCI: dra7xx: Add DT bindings to enable unaligned access PCI: dwc: dra7xx: Workaround for errata id i870 dt-bindings: PCI: dra7xx: Add DT bindings for PCI dra7xx EP mode PCI: dwc: dra7xx: Add EP mode support PCI: dwc: dra7xx: Facilitate wrapper and MSI interrupts to be enabled independently dt-bindings: PCI: Add DT bindings for PCI designware EP mode PCI: dwc: designware: Add EP mode support Documentation: PCI: Add binding documentation for pci-test endpoint function ixgbe: Use pcie_flr() instead of duplicating it IB/hfi1: Use pcie_flr() instead of duplicating it PCI: imx6: Fix spelling mistake: "contol" -> "control" ...
| * misc: Add host side PCI driver for PCI test function deviceKishon Vijay Abraham I2017-04-281-0/+1
| | | | | | | | | | | | | | | | | | | | Add PCI endpoint test driver that can verify base address register, legacy interrupt/MSI interrupt and read/write/copy buffers between host and device. The corresponding pci-epf-test function driver should be used on the EP side. Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
* | lkdtm: turn off kcov for lkdtm_rodata_do_nothing:Arnd Bergmann2017-04-081-0/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | I ran into a link error on ARM64 for lkdtm_rodata_do_nothing: drivers/misc/built-in.o: In function `lkdtm_rodata_do_nothing': :(.rodata+0x68c8): relocation truncated to fit: R_AARCH64_CALL26 against symbol `__sanitizer_cov_trace_pc' defined in .text section in kernel/built-in.o I did not analyze this further, but my theory is that we would need a trampoline to call __sanitizer_cov_trace_pc(), but the linker (correctly) only adds trampolines for callers in executable sections. Disabling KCOV for this one file avoids the build failure with no other practical downsides I can think of. The problem can only happen on kernels that contain both kcov and lkdtm, so if we want to backport this, it should be in the earliest version that has both (v4.8). Fixes: 5c9a8750a640 ("kernel: add kcov code coverage") Fixes: 9a49a528dcf3 ("lkdtm: add function for testing .rodata section") Signed-off-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Dmitry Vyukov <dvyukov@google.com> Acked-by: Kees Cook <keescook@chromium.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* | auxdisplay: Move arm-charlcd.c to drivers/auxdisplay folderAndy Shevchenko2017-04-081-1/+0
| | | | | | | | | | | | | | | | | | | | | | It looks like arm-charlcd.c belongs to auxdisplay subsystem. Move it to drivers/auxdisplay folder. No functional changes intended. Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* | auxdisplay: Move panel.c to drivers/auxdisplay folderAndy Shevchenko2017-04-081-1/+0
| | | | | | | | | | | | | | | | | | | | | | It looks like panel.c belongs to auxdisplay subsystem. Move it to drivers/auxdisplay folder. No functional changes intended. Acked-by: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* | drivers/misc: Add Aspeed LPC control driverCyril Bur2017-03-171-0/+1
|/ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | In order to manage server systems, there is typically another processor known as a BMC (Baseboard Management Controller) which is responsible for powering the server and other various elements, sometimes fans, often the system flash. The Aspeed BMC family which is what is used on OpenPOWER machines and a number of x86 as well is typically connected to the host via an LPC (Low Pin Count) bus (among others). The LPC bus is an ISA bus on steroids. It's generally used by the BMC chip to provide the host with access to the system flash (via MEM/FW cycles) that contains the BIOS or other host firmware along with a number of SuperIO-style IOs (via IO space) such as UARTs, IPMI controllers. On the BMC chip side, this is all configured via a bunch of registers whose content is related to a given policy of what devices are exposed at a per system level, which is system/vendor specific, so we don't want to bolt that into the BMC kernel. This started with a need to provide something nicer than /dev/mem for user space to configure these things. One important aspect of the configuration is how the MEM/FW space is exposed to the host (ie, the x86 or POWER). Some registers in that bridge can define a window remapping all or portion of the LPC MEM/FW space to a portion of the BMC internal bus, with no specific limits imposed in HW. I think it makes sense to ensure that this window is configured by a kernel driver that can apply some serious sanity checks on what it is configured to map. In practice, user space wants to control this by flipping the mapping between essentially two types of portions of the BMC address space: - The flash space. This is a region of the BMC MMIO space that more/less directly maps the system flash (at least for reads, writes are somewhat more complicated). - One (or more) reserved area(s) of the BMC physical memory. The latter is needed for a number of things, such as avoiding letting the host manipulate the innards of the BMC flash controller via some evil backdoor, we want to do flash updates by routing the window to a portion of memory (under control of a mailbox protocol via some separate set of registers) which the host can use to write new data in bulk and then request the BMC to flash it. There are other uses, such as allowing the host to boot from an in-memory flash image rather than the one in flash (very handy for continuous integration and test, the BMC can just download new images). It is important to note that due to the way the Aspeed chip lets the kernel configure the mapping between host LPC addresses and BMC ram addresses the offset within the window must be a multiple of size. Not doing so will fragment the accessible space rather than simply moving 'zero' upwards. This is caused by the nature of HICR8 being a mask and the way host LPC addresses are translated. Signed-off-by: Cyril Bur <cyrilbur@gmail.com> Reviewed-by: Joel Stanley <joel@jms.id.au> Reviewed-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* misc: sram: Integrate protect-exec reserved sram area typeDave Gerlach2017-01-251-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | Introduce a new "protect-exec" reserved sram area type which is makes use of the the existing functionality provided for the "pool" sram region type for use with the genalloc framework and with the added requirement that it be maintained as read-only and executable while allowing for an arbitrary number of drivers to share the space. This introduces a common way to maintain a region of sram as read-only and executable and also introduces a helper function, sram_exec_copy, which allows for copying data to this protected region while maintaining locking to avoid conflicts between multiple users of the same space. A region of memory that is marked with the "protect-exec" flag in the device tree also has the requirement of providing a page aligned block of memory so that the page attribute manipulation does not affect surrounding regions. Also, selectively enable this only for builds that support set_memory_* calls, for now just ARM, through the use of Kconfig. Signed-off-by: Dave Gerlach <d-gerlach@ti.com> Acked-by: Tony Lindgren <tony@atomide.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* Merge 4.8-rc5 into char-misc-nextGreg Kroah-Hartman2016-09-051-1/+0
|\ | | | | | | | | | | We want the fixes in here for merging and testing. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| * misc: delete bh1780 driverLinus Walleij2016-08-151-1/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | The Rohm BH1780 ambient light sensor has a new driver with extended functionality (proper runtime PM) in the appropriate framework IIO, it can be found at: drivers/iio/light/bh1780.c The MISC driver symbol CONFIG_SENSORS_BH1780 does not appear in any defconfigs, so it should safe to delete. Cc: Hemanth V <hemanthv@ti.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* | misc: retire the old BMP085 driverLinus Walleij2016-08-311-3/+0
|/ | | | | | | | | | | | | Patches merged to the IIO BMP085 driver makes it fully compliant with all features found in this old misc driver. Retire this old driver in favor of the new one in the proper subsystem. Cc: Jonathan Cameron <jic23@cam.ac.uk> Cc: Marek Belisko <marek@goldelico.com> Acked-by: H. Nikolaus Schaller <hns@goldelico.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Acked-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* lkdtm: Fix targets for objcopy usageKees Cook2016-08-011-1/+2
| | | | | | | | The targets for lkdtm's objcopy were missing which caused them to always be rebuilt. This corrects the problem. Reported-by: Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by: Kees Cook <keescook@chromium.org>
* lkdtm: split remaining logic bug tests to separate fileKees Cook2016-07-071-0/+1
| | | | | | | This splits all the remaining tests from lkdtm_core.c into the new lkdtm_bugs.c file to help separate things better for readability. Signed-off-by: Kees Cook <keescook@chromium.org>
* lkdtm: split heap corruption tests to separate fileKees Cook2016-07-071-0/+1
| | | | | | | This splits the *_AFTER_FREE and related tests into the new lkdtm_heap.c file to help separate things better for readability. Signed-off-by: Kees Cook <keescook@chromium.org>
* lkdtm: split memory permissions tests to separate fileKees Cook2016-07-071-0/+1
| | | | | | | This splits the EXEC_*, WRITE_* and related tests into the new lkdtm_perms.c file to help separate things better for readability. Signed-off-by: Kees Cook <keescook@chromium.org>
* lkdtm: split usercopy tests to separate fileKees Cook2016-07-071-0/+1
| | | | | | | This splits the USERCOPY_* tests into the new lkdtm_usercopy.c file to help separate things better for readability. Signed-off-by: Kees Cook <keescook@chromium.org>
* lkdtm: add function for testing .rodata sectionKees Cook2016-06-101-0/+8
| | | | | | | | This adds a function that lives in the .rodata section. The section flags are corrected using objcopy since there is no way with gcc to declare section flags in an architecture-agnostic way. Signed-off-by: Kees Cook <keescook@chromium.org>
* lkdtm: split build into multiple source filesKees Cook2016-06-101-0/+2
| | | | | | | | | | Kbuild lacks a way to do in-place objcopy or other modifications of built targets, so in order to move functions into non-text sections without renaming the kernel module, the build of lkdtm must be split into separate source files. This renames lkdtm.c to lkdtm_core.c in preparation for adding the source file for the .rodata section. Signed-off-by: Kees Cook <keescook@chromium.org>
* misc: Move panel driver out of stagingKsenija Stanojevic2016-02-031-0/+1
| | | | | | | | Move panel driver from drivers/staging/panel to drivers/misc. Signed-off-by: Ksenija Stanojevic <ksenija.stanojevic@gmail.com> Acked-by: Willy Tarreau <w@1wt.eu> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* ARM: qcom: Add coincell charger driverTim Bird2015-07-291-0/+1
| | | | | | | | | | | | | This driver is used to configure the coincell charger found in Qualcomm PMICs. The driver allows configuring the current-limiting resistor for the charger, as well as the voltage to apply to the coincell (or capacitor) when charging. Signed-off-by: Tim Bird <tim.bird@sonymobile.com> Reviewed-by: Andy Gross <agross@codeaurora.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* misc: remove drivers for CARMA hardwareIra Snyder2015-05-241-1/+0
| | | | | | | | | | | The CARMA project has ended, and the hardware has all been moved into storage. It is unlikely to ever be used again. Remove the drivers so that there is no more maintenance burden from ongoing upstream kernel changes. Signed-off-by: Ira W. Snyder <ira.snyder@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* cxl: Add base builtin supportIan Munsie2014-10-081-0/+1
| | | | | | | | | | | | | | | This adds the base cxl support that cannot be built as a module. Specifically it adds the cxl callbacks that are called from the core powerpc mm code which must always exist irrespective of if the cxl module is loaded or not. This is similar to how cell works with CONFIG_SPU_BASE. This adds a cxl_slbia() call (similar to spu_flush_all_slbs()) which checks if the cxl module is loaded and in use, returning immediately if it is not. If it is in use it calls into the cxl SLB invalidation code. Signed-off-by: Ian Munsie <imunsie@au1.ibm.com> Signed-off-by: Michael Neuling <mikey@neuling.org> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
* misc: atmel_pwm: remove obsolete driverAlexandre Belloni2014-07-091-1/+0
| | | | | | | | | The misc/atmel_pwm is not used by any mainlined boards and has been replaced by the pwm-driver using the generic PWM framework. Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com> Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
* mfd: vexpress: Define the device as MFD cellsPawel Moll2014-05-151-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | This patch - finally, after over 6 months! :-( - addresses Samuel's request to split the vexpress-sysreg driver into smaller portions and define the device in a form of MFD cells: * LEDs code has been completely removed and replaced with "gpio-leds" nodes in the tree (referencing dedicated GPIO subnodes in sysreg - bindings documentation updated); this also better fits the reality as some variants of the motherboard don't have all the LEDs populated * syscfg bridge code has been extracted into a separate driver (placed in drivers/misc for no better place) * all the ID & MISC registers are defined as sysconf making them available for other drivers should they need to use them (and also to the user via /sys/kernel/debug/regmap which can be helpful in platform debugging) Signed-off-by: Pawel Moll <pawel.moll@arm.com> Acked-by: Lee Jones <lee.jones@linaro.org>
* staging: echo: move to drivers/misc/Greg Kroah-Hartman2014-02-281-0/+1
| | | | | | | | | The code is clean, there are users of it, so it doesn't belong in staging anymore, move it to drivers/misc/. Cc: Steve Underwood <steveu@coppice.org> Cc: David Rowe <david@rowetel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* GenWQE Enable driverFrank Haverkamp2013-12-181-0/+1
| | | | | | | | | | Enable possiblity to configure and build this driver. Signed-off-by: Frank Haverkamp <haver@linux.vnet.ibm.com> Co-authors: Joerg-Stephan Vogt <jsvogt@de.ibm.com>, Michael Jung <MIJUNG@de.ibm.com>, Michael Ruettger <michael@ibmra.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* Merge tag 'pwm/for-3.13-rc1' of ↵Linus Torvalds2013-11-161-1/+0
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm Pull pwm changes from Thierry Reding: "Mostly bug fixes and clean up. There is a new driver, which is actually moving a custom PWM driver from drivers/misc. The majority of the patches are enhancements to the device tree support in the pwm-backlight driver. Backlights can now additionally be powered using a regulator and enabled using a GPIO in addition to just the PWM input" * tag 'pwm/for-3.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm: (30 commits) Documentation/pwm: Update supported SoC name for pwm-samsung pwm: samsung: Fix kernel warning while unexporting a channel MAINTAINERS: Move PWM subsystem tree to kernel.org Documentation/pwm: Fix trivial typos pwm-backlight: Remove unused variable pwm_backlight: avoid short blank screen while doing hibernation pwm-backlight: Fix brightness adjustment pwm: add ep93xx PWM support pwm-backlight: Allow for non-increasing brightness levels pwm-backlight: Add power supply support pwm-backlight: Use new enable_gpio field unicore32: Initialize PWM backlight enable_gpio field ARM: shmobile: Initialize PWM backlight enable_gpio field ARM: SAMSUNG: Initialize PWM backlight enable_gpio field ARM: pxa: Initialize PWM backlight enable_gpio field ARM: OMAP: Initialize PWM backlight enable_gpio field pwm-backlight: Add optional enable GPIO pwm-backlight: Track enable state pwm-backlight: Refactor backlight power on/off pwm-backlight: Improve readability ...
| * pwm: add ep93xx PWM supportH Hartley Sweeten2013-10-171-1/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Remove the non-standard EP93xx PWM driver in drivers/misc and add a new driver for the PWM controllers on the EP93xx platform based on the PWM framework. These PWM controllers each support 1 PWM channel with programmable duty cycle, frequency, and polarity inversion. Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com> Cc: Ryan Mallon <rmallon@gmail.com> Acked-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
* | Intel MIC Host Driver for X100 family.Sudeep Dutt2013-09-261-0/+1
|/ | | | | | | | | | | | | | | | | This patch enables the following: a) Initializes the Intel MIC X100 PCIe devices. b) Provides sysfs entries for family and stepping information. Co-author: Dasaratharaman Chandramouli <dasaratharaman.chandramouli@intel.com> Signed-off-by: Ashutosh Dixit <ashutosh.dixit@intel.com> Signed-off-by: Caz Yokoyama <Caz.Yokoyama@intel.com> Signed-off-by: Dasaratharaman Chandramouli <dasaratharaman.chandramouli@intel.com> Signed-off-by: Harshavardhan R Kharche <harshavardhan.r.kharche@intel.com> Signed-off-by: Nikhil Rao <nikhil.rao@intel.com> Signed-off-by: Sudeep Dutt <sudeep.dutt@intel.com> Acked-by: Yaozu (Eddie) Dong <eddie.dong@intel.com> Reviewed-by: Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* misc: generic on-chip SRAM allocation driverPhilipp Zabel2013-04-291-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This driver requests and remaps a memory region as configured in the device tree. It serves memory from this region via the genalloc API. It optionally enables the SRAM clock. Other drivers can retrieve the genalloc pool from a phandle pointing to this drivers' device node in the device tree. The allocation granularity is hard-coded to 32 bytes for now, to make the SRAM driver useful for the 6502 remoteproc driver. There is overhead for bigger SRAMs, where only a much coarser allocation granularity is needed: At 32 bytes minimum allocation size, a 256 KiB SRAM needs a 1 KiB bitmap to track allocations. [akpm@linux-foundation.org: fix Kconfig text, make sram_init static] Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de> Reviewed-by: Shawn Guo <shawn.guo@linaro.org> Acked-by: Grant Likely <grant.likely@secretlab.ca> Tested-by: Michal Simek <monstr@monstr.eu> Cc: Dong Aisheng <dong.aisheng@linaro.org> Cc: Fabio Estevam <fabio.estevam@freescale.com> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Huang Shijie <shijie8@gmail.com> Cc: Javier Martin <javier.martin@vista-silicon.com> Cc: Matt Porter <mporter@ti.com> Cc: Michal Simek <monstr@monstr.eu> Cc: Paul Gortmaker <paul.gortmaker@windriver.com> Cc: Rob Herring <rob.herring@calxeda.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* dummy-irq: introduce a dummy IRQ handler driverJiri Kosina2013-03-251-0/+1
| | | | | | | | | | | | This module accepts a single 'irq' parameter, which it should register for. Its sole purpose is to help with debugging of IRQ sharing problems, by force-enabling IRQ that would otherwise be disabled. Suggested-by: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Jiri Kosina <jkosina@suse.cz> Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* misc: Remove max8997-muic.o Makefile line againPaul Bolle2013-03-151-1/+0
| | | | | | | | Commit 20259849bb1ac1ffb0156eb359810e8b99cb644d ("VMCI: Some header and config files.") readded this Makefile line. Remove it again. Signed-off-by: Paul Bolle <pebolle@tiscali.nl> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* misc: Add Lattice ECP3 FPGA configuration via SPIStefan Roese2013-01-171-0/+1
| | | | | | | | | | | | | | | | | | | | | | | This patch adds support for bitstream configuration (programming / loading) of the Lattice ECP3 FPGA's via the SPI bus. Here an example on my custom MPC5200 based board: $ echo 1 > /sys/class/firmware/spi0.0/loading $ cat fpga_a4m2k.bit > /sys/class/firmware/spi0.0/data $ echo 0 > /sys/class/firmware/spi0.0/loading leads to these messages: lattice-ecp3 spi0.0: FPGA Lattice ECP3-35 detected lattice-ecp3 spi0.0: Configuring the FPGA... lattice-ecp3 spi0.0: FPGA succesfully configured! Signed-off-by: Stefan Roese <sr@denx.de> Acked-by: Ming Lei <ming.lei@canonical.com> Reviewed-by: Grant Likely <grant.likely@secretlab.ca> Cc: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* VMCI: Some header and config files.George Zhang2013-01-081-0/+2
| | | | | | | | | | | VMCI head config patch Adds all the necessary files to enable building of the VMCI module with the Linux Makefiles and Kconfig systems. Also adds the header files used for building modules against the driver. Signed-off-by: George Zhang <georgezhang@vmware.com> Acked-by: Andy king <acking@vmware.com> Acked-by: Dmitry Torokhov <dtor@vmware.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* pwm: Move AB8500 PWM driver to PWM frameworkThierry Reding2012-09-201-1/+0
| | | | | | | | | | This commit moves the driver to drivers/pwm and converts it to the new PWM framework. Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de> Acked-by: Linus Walleij <linus.walleij@linaro.org> Acked-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Arun Murthy <arun.murthy@stericsson.com>
* iwmc3200top: remove driver for unavailable hardwareJohn W. Linville2012-07-111-1/+0
| | | | | | | | | This hardware never became available to normal humans. Leaving this driver imposes unwelcome maintenance costs for no clear benefit. Cc: Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com> Cc: Samuel Ortiz <samuel.ortiz@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* Merge tag 'staging-3.5-rc1' of ↵Linus Torvalds2012-05-221-0/+1
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging Pull staging tree changes from Greg Kroah-Hartman: "Here is the big staging tree pull request for the 3.5-rc1 merge window. Loads of changes here, and we just narrowly added more lines than we added: 622 files changed, 28356 insertions(+), 26059 deletions(-) But, good news is that there is a number of subsystems that moved out of the staging tree, to their respective "real" portions of the kernel. Code that moved out was: - iio core code - mei driver - vme core and bridge drivers There was one broken network driver that moved into staging as a step before it is removed from the tree (pc300), and there was a few new drivers added to the tree: - new iio drivers - gdm72xx wimax USB driver - ipack subsystem and 2 drivers All of the movements around have acks from the various subsystem maintainers, and all of this has been in the linux-next tree for a while. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>" Fixed up various trivial conflicts, along with a non-trivial one found in -next and pointed out by Olof Johanssen: a clean - but incorrect - merge of the arch/arm/boot/dts/at91sam9g20.dtsi file. Fix up manually as per Stephen Rothwell. * tag 'staging-3.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: (536 commits) Staging: bcm: Remove two unused variables from Adapter.h Staging: bcm: Removes the volatile type definition from Adapter.h Staging: bcm: Rename all "INT" to "int" in Adapter.h Staging: bcm: Fix warning: __packed vs. __attribute__((packed)) in Adapter.h Staging: bcm: Correctly format all comments in Adapter.h Staging: bcm: Fix all whitespace issues in Adapter.h Staging: bcm: Properly format braces in Adapter.h Staging: ipack/bridges/tpci200: remove unneeded casts Staging: ipack/bridges/tpci200: remove TPCI200_SHORTNAME constant Staging: ipack: remove board_name and bus_name fields from struct ipack_device Staging: ipack: improve the register of a bus and a device in the bus. staging: comedi: cleanup all the comedi_driver 'detach' functions staging: comedi: remove all 'default N' in Kconfig staging: line6/config.h: Delete unused header staging: gdm72xx depends on NET staging: gdm72xx: Set up parent link in sysfs for gdm72xx devices staging: drm/omap: initial dmabuf/prime import support staging: drm/omap: dmabuf/prime mmap support pstore/ram: Add ECC support pstore/ram: Switch to persistent_ram routines ...
| * Staging: mei: move the mei code out of stagingGreg Kroah-Hartman2012-05-011-0/+1
| | | | | | | | | | | | | | | | | | | | It's been cleaned up, and there's nothing else left to do, so move it out of staging into drivers/misc/ where all can use it now. Cc: Tomas Winkler <tomas.winkler@intel.com> Cc: Oren Weil <oren.jer.weil@intel.com> Cc: Alan Cox <alan@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* | Merge tag 'driver-core-3.5-rc1' of ↵Linus Torvalds2012-05-221-1/+0
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core Pull driver core updates from Greg Kroah-Hartman: "Here's the driver core, and other driver subsystems, pull request for the 3.5-rc1 merge window. Outside of a few minor driver core changes, we ended up with the following different subsystem and core changes as well, due to interdependancies on the driver core: - hyperv driver updates - drivers/memory being created and some drivers moved into it - extcon driver subsystem created out of the old Android staging switch driver code - dynamic debug updates - printk rework, and /dev/kmsg changes All of this has been tested in the linux-next releases for a few weeks with no reported problems. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>" Fix up conflicts in drivers/extcon/extcon-max8997.c where git noticed that a patch to the deleted drivers/misc/max8997-muic.c driver needs to be applied to this one. * tag 'driver-core-3.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (90 commits) uio_pdrv_genirq: get irq through platform resource if not set otherwise memory: tegra{20,30}-mc: Remove empty *_remove() printk() - isolate KERN_CONT users from ordinary complete lines sysfs: get rid of some lockdep false positives Drivers: hv: util: Properly handle version negotiations. Drivers: hv: Get rid of an unnecessary check in vmbus_prep_negotiate_resp() memory: tegra{20,30}-mc: Use dev_err_ratelimited() driver core: Add dev_*_ratelimited() family Driver Core: don't oops with unregistered driver in driver_find_device() printk() - restore prefix/timestamp printing for multi-newline strings printk: add stub for prepend_timestamp() ARM: tegra30: Make MC optional in Kconfig ARM: tegra20: Make MC optional in Kconfig ARM: tegra30: MC: Remove unnecessary BUG*() ARM: tegra20: MC: Remove unnecessary BUG*() printk: correctly align __log_buf ARM: tegra30: Add Tegra Memory Controller(MC) driver ARM: tegra20: Add Tegra Memory Controller(MC) driver printk() - restore timestamp printing at console output printk() - do not merge continuation lines of different threads ...
| * | misc: MAX8997: Remove max8997-muic driverChanwoo Choi2012-05-091-1/+0
| |/ | | | | | | | | | | | | | | | | | | | | | | This patch remove old max8997-muic drvier because of newly Extcon framework. Extcon framework manages the external connector, so add extcon-max8997 driver by using Extcon interface to support MUIC feature of Maxim 8997 PMIC instead of max8997-muic driver(drivers/misc/max8997-muic.c). Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com> Signed-off-by: Myungjoo Ham <myungjoo.ham@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* / misc: add support for bmp18x chips to the bmp085 driverEric Andersson2012-04-181-0/+2
|/ | | | | | | | | | | | The bmp18x chip family comes in an I2C respectively SPI variant. Hence, the bmp085 driver was split to support both buses. Tested-by: Zhengguang Guo <zhengguang.guo@bosch-sensortec.com> Reviewed-by: Stefan Nilsson <stefan.nilsson@unixphere.com> Signed-off-by: Eric Andersson <eric.andersson@unixphere.com> Reviewed-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Reviewed-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* misc: Add driver support for MAX8997 MUICDonggeun Kim2012-01-091-0/+1
| | | | | | | | | | | The MUIC function in MAX8997 device can be used as a USB port detector and switch. This patch supports the MUIC feature of MAX8997. Signed-off-by: Donggeun Kim <dg77.kim@samsung.com> Signed-off-by: MyungJoo Ham <myungjoo.ham@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
* [media] altera-stapl: it is time to move out from stagingIgor M. Liplianin2011-09-231-0/+1
| | | | | | [mchehab@redhat.com: Fix a merge conflict] Signed-off-by: Igor M. Liplianin <liplianin@netup.ru> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* Merge branch 'tty-next' of ↵Linus Torvalds2011-07-251-1/+1
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty-2.6 * 'tty-next' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty-2.6: (26 commits) amba pl011: workaround for uart registers lockup n_gsm: fix the wrong FCS handling pch_uart: add missing comment about OKI ML7223 pch_uart: Add MSI support tty: fix "IRQ45: nobody cared" PTI feature to allow user to name and mark masterchannel request. 0 for o PTI Makefile bug. tty: serial: samsung.c remove legacy PM code. SERIAL: SC26xx: Fix link error. serial: mrst_max3110: initialize waitqueue earlier mrst_max3110: Change max missing message priority. tty: s5pv210: Add delay loop on fifo reset function for UART tty/serial: Fix XSCALE serial ports, e.g. ce4100 serial: bfin_5xx: fix off-by-one with resource size drivers/tty: use printk_ratelimited() instead of printk_ratelimit() tty: n_gsm: Added refcount usage to gsm_mux and gsm_dlci structs tty: n_gsm: Add raw-ip support tty: n_gsm: expose gsmtty device nodes at ldisc open time pch_phub: Fix register miss-setting issue serial: 8250, increase PASS_LIMIT ...
| * 0 for o PTI Makefile bug.J Freyensee2011-07-011-1/+1
| | | | | | | | | | | | | | | | This patch fixes an issue where 'obj' was actually spelled '0bj' and would skip compiling the pti driver. Signed-off-by: J Freyensee <james_p_freyensee@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* | drivers/misc: add support the FSA9480 USB SwitchDonggeun Kim2011-07-251-0/+1
|/ | | | | | | | | | | | | The FSA9480 is a USB port accessory detector and switch. This patch adds support the FSA9480 USB Switch. [akpm@linux-foundation.org: make a couple of things static] Signed-off-by: Donggeun Kim <dg77.kim@samsung.com> Signed-off-by: Minkyu Kang <mk7.kang@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> Cc: Greg KH <greg@kroah.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* Merge branch 'tty-next' of ↵Linus Torvalds2011-05-231-0/+1
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty-2.6 * 'tty-next' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty-2.6: (48 commits) serial: 8250_pci: add support for Cronyx Omega PCI multiserial board. tty/serial: Fix break handling for PORT_TEGRA tty/serial: Add explicit PORT_TEGRA type n_tracerouter and n_tracesink ldisc additions. Intel PTI implementaiton of MIPI 1149.7. Kernel documentation for the PTI feature. export kernel call get_task_comm(). tty: Remove to support serial for S5P6442 pch_phub: Support new device ML7223 8250_pci: Add support for the Digi/IBM PCIe 2-port Adapter ASoC: Update cx20442 for TTY API change pch_uart: Support new device ML7223 IOH parport: Use request_muxed_region for IT87 probe and lock tty/serial: add support for Xilinx PS UART n_gsm: Use print_hex_dump_bytes drivers/tty/moxa.c: Put correct tty value TTY: tty_io, annotate locking functions TTY: serial_core, remove superfluous set_task_state TTY: serial_core, remove invalid test Char: moxa, fix locking in moxa_write ... Fix up trivial conflicts in drivers/bluetooth/hci_ldisc.c and drivers/tty/serial/Makefile. I did the hci_ldisc thing as an evil merge, cleaning things up.
| * Intel PTI implementaiton of MIPI 1149.7.J Freyensee2011-05-131-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The PTI (Parallel Trace Interface) driver directs trace data routed from various parts in the system out through an Intel Penwell PTI port and out of the mobile device for analysis with a debugging tool (Lauterbach or Fido). Though n_tracesink and n_tracerouter line discipline drivers are used to extract modem tracing data to the PTI driver and other parts of an Intel mobile solution, the PTI driver can be used independent of n_tracesink and n_tracerouter. You should select this driver if the target kernel is meant for an Intel Atom (non-netbook) mobile device containing a MIPI P1149.7 standard implementation. Signed-off-by: J Freyensee <james_p_freyensee@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* | misc: Add CARMA DATA-FPGA Access DriverIra Snyder2011-05-191-0/+1
|/ | | | | | | | | | | | | | | | | | | | | | | | This driver allows userspace to access the data processing FPGAs on the OVRO CARMA board. It has two modes of operation: 1) random access This allows users to poke any DATA-FPGA registers by using mmap to map the address region directly into their memory map. 2) correlation dumping When correlating, the DATA-FPGA's have special requirements for getting the data out of their memory before the next correlation. This nominally happens at 64Hz (every 15.625ms). If the data is not dumped before the next correlation, data is lost. The data dumping driver handles buffering up to 1 second worth of correlation data from the FPGAs. This lowers the realtime scheduling requirements for the userspace process reading the device. Signed-off-by: Ira W. Snyder <iws@ovro.caltech.edu> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
* ST SPEAr: PCIE gadget suppportPratyush Anand2011-03-221-0/+1
| | | | | | | | | | | | | | | | | This is a configurable gadget. can be configured by configfs interface. Any IP available at PCIE bus can be programmed to be used by host controller.It supoorts both INTX and MSI. By default, the gadget is configured for INTX and SYSRAM1 is mapped to BAR0 with size 0x1000 Signed-off-by: Pratyush Anand <pratyush.anand@st.com> Cc: Randy Dunlap <randy.dunlap@oracle.com> Cc: Jesse Barnes <jbarnes@virtuousgeek.org> Cc: Viresh Kumar <viresh.kumar@st.com> Cc: Shiraz Hashim <shiraz.hashim@st.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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