devm_ioport_unmap()
devm_ioremap()
devm_ioremap_nocache()
+ devm_ioremap_wc()
devm_ioremap_resource() : checks resource, requests memory region, ioremaps
devm_iounmap()
pcim_iomap()
devm_request_irq()
devm_request_threaded_irq()
+LED
+ devm_led_classdev_register()
+ devm_led_classdev_unregister()
+
MDIO
devm_mdiobus_alloc()
devm_mdiobus_alloc_size()
F: include/uapi/linux/kfd_ioctl.h
AMD MICROCODE UPDATE SUPPORT
-M: Andreas Herrmann <herrmann.der.user@googlemail.com>
-L: amd64-microcode@amd64.org
+M: Borislav Petkov <bp@alien8.de>
S: Maintained
F: arch/x86/kernel/cpu/microcode/amd*
ANDROID DRIVERS
M: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-M: Arve Hj
ønnevåg <arve@android.com>
+M: Arve Hj
ønnevåg <arve@android.com>
M: Riley Andrews <riandrews@android.com>
T: git git://git.kernel.org/pub/scm/linux/kernel/gregkh/staging.git
L: devel@driverdev.osuosl.org
F: drivers/media/rc/meson-ir.c
N: meson[x68]
+ARM/Annapurna Labs ALPINE ARCHITECTURE
+M: Tsahee Zidenberg <tsahee@annapurnalabs.com>
+S: Maintained
+F: arch/arm/mach-alpine/
+
ARM/ATMEL AT91RM9200 AND AT91SAM ARM ARCHITECTURES
M: Andrew Victor <linux@maxim.org.za>
M: Nicolas Ferre <nicolas.ferre@atmel.com>
M: Mathieu Poirier <mathieu.poirier@linaro.org>
L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
S: Maintained
- F: drivers/coresight/*
+ F: drivers/hwtracing/coresight/*
F: Documentation/trace/coresight.txt
F: Documentation/devicetree/bindings/arm/coresight.txt
F: Documentation/ABI/testing/sysfs-bus-coresight-devices-*
L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
S: Maintained
F: arch/arm/mach-mvebu/
-F: drivers/rtc/armada38x-rtc
+F: drivers/rtc/rtc-armada38x.c
ARM/Marvell Berlin SoC support
M: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
W: http://wiki.openmoko.org/wiki/Neo_FreeRunner
S: Supported
-ARM/QUALCOMM MSM MACHINE SUPPORT
-M: David Brown <davidb@codeaurora.org>
-M: Daniel Walker <dwalker@fifo99.com>
-M: Bryan Huntsman <bryanh@codeaurora.org>
-L: linux-arm-msm@vger.kernel.org
-F: arch/arm/mach-msm/
-F: drivers/video/fbdev/msm/
-F: drivers/mmc/host/msm_sdcc.c
-F: drivers/mmc/host/msm_sdcc.h
-F: drivers/tty/serial/msm_serial.h
-F: drivers/tty/serial/msm_serial.c
-F: drivers/*/pm8???-*
-F: drivers/mfd/ssbi.c
-T: git git://git.kernel.org/pub/scm/linux/kernel/git/davidb/linux-msm.git
-S: Maintained
-
ARM/TOSA MACHINE SUPPORT
M: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
M: Dirk Opfer <dirk@opfer-online.de>
S: Maintained
F: arch/arm/mach-qcom/
F: drivers/soc/qcom/
+F: drivers/firmware/qcom_scm.c
+F: drivers/tty/serial/msm_serial.h
+F: drivers/tty/serial/msm_serial.c
+F: drivers/*/pm8???-*
+F: drivers/mfd/ssbi.c
T: git git://git.kernel.org/pub/scm/linux/kernel/git/galak/linux-qcom.git
ARM/RADISYS ENP2611 MACHINE SUPPORT
F: drivers/*/*rockchip*
F: drivers/*/*/*rockchip*
F: sound/soc/rockchip/
+N: rockchip
ARM/SAMSUNG EXYNOS ARM ARCHITECTURES
M: Kukjin Kim <kgene@kernel.org>
F: arch/arm/boot/dts/r7s*
F: arch/arm/boot/dts/r8a*
F: arch/arm/boot/dts/sh*
-F: arch/arm/configs/ape6evm_defconfig
F: arch/arm/configs/armadillo800eva_defconfig
F: arch/arm/configs/bockw_defconfig
F: arch/arm/configs/kzm9g_defconfig
-F: arch/arm/configs/mackerel_defconfig
F: arch/arm/configs/marzen_defconfig
F: arch/arm/configs/shmobile_defconfig
F: arch/arm/include/debug/renesas-scif.S
F: include/linux/platform_data/at24.h
ATA OVER ETHERNET (AOE) DRIVER
-M: "Ed L. Cashin" <ecashin@coraid.com>
-W: http://support.coraid.com/support/linux
+M: "Ed L. Cashin" <ed.cashin@acm.org>
+W: http://www.openaoe.org/
S: Supported
F: Documentation/aoe/
F: drivers/block/aoe/
F: drivers/tty/serial/atmel_serial.c
ATMEL Audio ALSA driver
-M: Bo Shen <voice.shen@atmel.com>
+M: Nicolas Ferre <nicolas.ferre@atmel.com>
L: alsa-devel@alsa-project.org (moderated for non-subscribers)
S: Supported
F: sound/soc/atmel
F: drivers/spi/spi-atmel.*
ATMEL SSC DRIVER
- M: Bo Shen <voice.shen@atmel.com>
+ M: Nicolas Ferre <nicolas.ferre@atmel.com>
L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
S: Supported
F: drivers/misc/atmel-ssc.c
CHIPIDEA USB HIGH SPEED DUAL ROLE CONTROLLER
M: Peter Chen <Peter.Chen@freescale.com>
-T: git git://github.com/hzpeterchen/linux-usb.git
+T: git git://git.kernel.org/pub/scm/linux/kernel/git/peter.chen/usb.git
L: linux-usb@vger.kernel.org
S: Maintained
F: drivers/usb/chipidea/
+CHIPONE ICN8318 I2C TOUCHSCREEN DRIVER
+M: Hans de Goede <hdegoede@redhat.com>
+L: linux-input@vger.kernel.org
+S: Maintained
+F: Documentation/devicetree/bindings/input/touchscreen/chipone_icn8318.txt
+F: drivers/input/touchscreen/chipone_icn8318.c
+
CHROME HARDWARE PLATFORM SUPPORT
M: Olof Johansson <olof@lixom.net>
S: Maintained
T: git git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6.git
S: Maintained
F: Documentation/crypto/
+F: Documentation/DocBook/crypto-API.tmpl
F: arch/*/crypto/
F: crypto/
F: drivers/crypto/
F: Documentation/hwmon/da90??
F: drivers/gpio/gpio-da90??.c
F: drivers/hwmon/da90??-hwmon.c
+F: drivers/iio/adc/da91??-*.c
F: drivers/input/misc/da90??_onkey.c
F: drivers/input/touchscreen/da9052_tsi.c
F: drivers/leds/leds-da90??.c
F: drivers/mfd/da903x.c
F: drivers/mfd/da90??-*.c
+F: drivers/mfd/da91??-*.c
F: drivers/power/da9052-battery.c
+F: drivers/power/da91??-*.c
F: drivers/regulator/da903x.c
F: drivers/regulator/da9???-regulator.[ch]
F: drivers/rtc/rtc-da90??.c
F: include/linux/mfd/da9052/
F: include/linux/mfd/da9055/
F: include/linux/mfd/da9063/
+F: include/linux/mfd/da9150/
F: include/sound/da[79]*.h
F: sound/soc/codecs/da[79]*.[ch]
F: Documentation/hwmon/dme1737
F: drivers/hwmon/dme1737.c
+DMI/SMBIOS SUPPORT
+M: Jean Delvare <jdelvare@suse.de>
+S: Maintained
+F: drivers/firmware/dmi-id.c
+F: drivers/firmware/dmi_scan.c
+F: include/linux/dmi.h
+
DOCKING STATION DRIVER
M: Shaohua Li <shaohua.li@intel.com>
L: linux-acpi@vger.kernel.org
F: Documentation/
X: Documentation/ABI/
X: Documentation/devicetree/
-X: Documentation/[a-z][a-z]_[A-Z][A-Z]/
+X: Documentation/acpi
+X: Documentation/power
+X: Documentation/spi
T: git git://git.lwn.net/linux-2.6.git docs-next
DOUBLETALK DRIVER
S: Supported
F: drivers/gpu/drm/rcar-du/
F: drivers/gpu/drm/shmobile/
-F: include/linux/platform_data/rcar-du.h
F: include/linux/platform_data/shmob_drm.h
DSBR100 USB FM RADIO DRIVER
F: sound/soc/fsl/imx*
F: sound/soc/fsl/mpc8610_hpcd.c
+FREESCALE QORIQ MANAGEMENT COMPLEX DRIVER
+M: J. German Rivera <German.Rivera@freescale.com>
+L: linux-kernel@vger.kernel.org
+S: Maintained
+F: drivers/staging/fsl-mc/
+
FREEVXFS FILESYSTEM
M: Christoph Hellwig <hch@infradead.org>
W: ftp://ftp.openlinux.org/pub/people/hch/vxfs
F: drivers/phy/
F: include/linux/phy/
+GENERIC PM DOMAINS
+M: "Rafael J. Wysocki" <rjw@rjwysocki.net>
+M: Kevin Hilman <khilman@kernel.org>
+M: Ulf Hansson <ulf.hansson@linaro.org>
+L: linux-pm@vger.kernel.org
+S: Supported
+F: drivers/base/power/domain*.c
+F: include/linux/pm_domain.h
+
GENERIC UIO DRIVER FOR PCI DEVICES
M: "Michael S. Tsirkin" <mst@redhat.com>
L: kvm@vger.kernel.org
GFS2 FILE SYSTEM
M: Steven Whitehouse <swhiteho@redhat.com>
+M: Bob Peterson <rpeterso@redhat.com>
L: cluster-devel@redhat.com
W: http://sources.redhat.com/cluster/
-T: git git://git.kernel.org/pub/scm/linux/kernel/git/steve/gfs2-3.0-fixes.git
-T: git git://git.kernel.org/pub/scm/linux/kernel/git/steve/gfs2-3.0-nmw.git
+T: git git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2.git
S: Supported
F: Documentation/filesystems/gfs2*.txt
F: fs/gfs2/
F: drivers/iio/
F: drivers/staging/iio/
F: include/linux/iio/
+F: tools/iio/
IKANOS/ADI EAGLE ADSL USB DRIVER
M: Matthieu Castet <castet.matthieu@free.fr>
S: Maintained
F: drivers/ipack/
+INGENIC JZ4780 DMA Driver
+M: Zubair Lutfullah Kakakhel <Zubair.Kakakhel@imgtec.com>
+S: Maintained
+F: drivers/dma/dma-jz4780.c
+
INTEGRITY MEASUREMENT ARCHITECTURE (IMA)
M: Mimi Zohar <zohar@linux.vnet.ibm.com>
M: Dmitry Kasatkin <dmitry.kasatkin@gmail.com>
F: drivers/platform/x86/intel_menlow.c
INTEL IA32 MICROCODE UPDATE SUPPORT
-M: Tigran Aivazian <tigran@aivazian.fsnet.co.uk>
+M: Borislav Petkov <bp@alien8.de>
S: Maintained
F: arch/x86/kernel/cpu/microcode/core*
F: arch/x86/kernel/cpu/microcode/intel*
S: Maintained
F: drivers/char/hw_random/ixp4xx-rng.c
-INTEL ETHERNET DRIVERS (e100/e1000/e1000e/fm10k/igb/igbvf/ixgb/ixgbe/ixgbevf/i40e/i40evf)
+INTEL ETHERNET DRIVERS
M: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
-M: Jesse Brandeburg <jesse.brandeburg@intel.com>
-M: Bruce Allan <bruce.w.allan@intel.com>
-M: Carolyn Wyborny <carolyn.wyborny@intel.com>
-M: Don Skidmore <donald.c.skidmore@intel.com>
-M: Greg Rose <gregory.v.rose@intel.com>
-M: Matthew Vick <matthew.vick@intel.com>
-M: John Ronciak <john.ronciak@intel.com>
-M: Mitch Williams <mitch.a.williams@intel.com>
-M: Linux NICS <linux.nics@intel.com>
-L: e1000-devel@lists.sourceforge.net
+R: Jesse Brandeburg <jesse.brandeburg@intel.com>
+R: Shannon Nelson <shannon.nelson@intel.com>
+R: Carolyn Wyborny <carolyn.wyborny@intel.com>
+R: Don Skidmore <donald.c.skidmore@intel.com>
+R: Matthew Vick <matthew.vick@intel.com>
+R: John Ronciak <john.ronciak@intel.com>
+R: Mitch Williams <mitch.a.williams@intel.com>
+L: intel-wired-lan@lists.osuosl.org
W: http://www.intel.com/support/feedback.htm
W: http://e1000.sourceforge.net/
-T: git git://git.kernel.org/pub/scm/linux/kernel/git/jkirsher/net.git
-T: git git://git.kernel.org/pub/scm/linux/kernel/git/jkirsher/net-next.git
+Q: http://patchwork.ozlabs.org/project/intel-wired-lan/list/
+T: git git://git.kernel.org/pub/scm/linux/kernel/git/jkirsher/net-queue.git
+T: git git://git.kernel.org/pub/scm/linux/kernel/git/jkirsher/next-queue.git
S: Supported
F: Documentation/networking/e100.txt
F: Documentation/networking/e1000.txt
F: include/linux/ipmi*
F: include/uapi/linux/ipmi*
+QCOM AUDIO (ASoC) DRIVERS
+M: Patrick Lai <plai@codeaurora.org>
+M: Banajit Goswami <bgoswami@codeaurora.org>
+L: alsa-devel@alsa-project.org (moderated for non-subscribers)
+S: Supported
+F: sound/soc/qcom/
+
IPS SCSI RAID DRIVER
M: Adaptec OEM Raid Solutions <aacraid@adaptec.com>
L: linux-scsi@vger.kernel.org
F: Documentation/*/kvm*.txt
F: Documentation/virtual/kvm/
F: arch/*/kvm/
+F: arch/x86/kernel/kvm.c
+F: arch/x86/kernel/kvmclock.c
F: arch/*/include/asm/kvm*
F: include/linux/kvm*
F: include/uapi/linux/kvm*
MELLANOX ETHERNET DRIVER (mlx4_en)
M: Amir Vadai <amirv@mellanox.com>
+M: Ido Shamay <idos@mellanox.com>
L: netdev@vger.kernel.org
S: Supported
W: http://www.mellanox.com
F: include/linux/mfd/
MULTIMEDIA CARD (MMC), SECURE DIGITAL (SD) AND SDIO SUBSYSTEM
-M: Chris Ball <chris@printf.net>
M: Ulf Hansson <ulf.hansson@linaro.org>
L: linux-mmc@vger.kernel.org
-T: git git://git.kernel.org/pub/scm/linux/kernel/git/cjb/mmc.git
T: git git://git.linaro.org/people/ulf.hansson/mmc.git
S: Maintained
F: drivers/mmc/
T: git git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap.git
S: Maintained
F: arch/arm/*omap*/
+F: arch/arm/configs/omap1_defconfig
+F: arch/arm/configs/omap2plus_defconfig
F: drivers/i2c/busses/i2c-omap.c
F: drivers/irqchip/irq-omap-intc.c
F: drivers/mfd/*omap*.c
M: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
L: linux-media@vger.kernel.org
S: Maintained
+F: Documentation/devicetree/bindings/media/ti,omap3isp.txt
F: drivers/media/platform/omap3isp/
F: drivers/staging/media/omap4iss/
F: arch/*/boot/dts/
F: include/dt-bindings/
+OPEN FIRMWARE AND DEVICE TREE OVERLAYS
+M: Pantelis Antoniou <pantelis.antoniou@konsulko.com>
+L: devicetree@vger.kernel.org
+S: Maintained
+F: Documentation/devicetree/dynamic-resolution-notes.txt
+F: Documentation/devicetree/overlay-notes.txt
+F: drivers/of/overlay.c
+F: drivers/of/resolver.c
+
OPENRISC ARCHITECTURE
M: Jonas Bonn <jonas@southpole.se>
W: http://openrisc.net
F: drivers/net/wireless/rt2x00/
RAMDISK RAM BLOCK DEVICE DRIVER
-M: Nick Piggin <npiggin@kernel.dk>
+M: Jens Axboe <axboe@kernel.dk>
S: Maintained
F: Documentation/blockdev/ramdisk.txt
F: drivers/block/brd.c
+PERSISTENT MEMORY DRIVER
+M: Ross Zwisler <ross.zwisler@linux.intel.com>
+L: linux-nvdimm@lists.01.org
+S: Supported
+F: drivers/block/pmem.c
+
RANDOM NUMBER DRIVER
M: "Theodore Ts'o" <tytso@mit.edu>
S: Maintained
S390 NETWORK DRIVERS
M: Ursula Braun <ursula.braun@de.ibm.com>
-M: Frank Blaschka <blaschka@linux.vnet.ibm.com>
M: linux390@de.ibm.com
L: linux-s390@vger.kernel.org
W: http://www.ibm.com/developerworks/linux/linux390/
F: drivers/mmc/host/sdricoh_cs.c
SECURE DIGITAL HOST CONTROLLER INTERFACE (SDHCI) DRIVER
-M: Chris Ball <chris@printf.net>
L: linux-mmc@vger.kernel.org
-T: git git://git.kernel.org/pub/scm/linux/kernel/git/cjb/mmc.git
-S: Maintained
+S: Orphan
F: drivers/mmc/host/sdhci.*
F: drivers/mmc/host/sdhci-pltfm.[ch]
K: \bsecure_computing
K: \bTIF_SECCOMP\b
-SECURE DIGITAL HOST CONTROLLER INTERFACE, OPEN FIRMWARE BINDINGS (SDHCI-OF)
-M: Anton Vorontsov <anton@enomsg.org>
-L: linuxppc-dev@lists.ozlabs.org
-L: linux-mmc@vger.kernel.org
-S: Maintained
-F: drivers/mmc/host/sdhci-pltfm.[ch]
-
SECURE DIGITAL HOST CONTROLLER INTERFACE (SDHCI) SAMSUNG DRIVER
M: Ben Dooks <ben-linux@fluff.org>
+M: Jaehoon Chung <jh80.chung@samsung.com>
L: linux-mmc@vger.kernel.org
S: Maintained
-F: drivers/mmc/host/sdhci-s3c.c
+F: drivers/mmc/host/sdhci-s3c*
SECURE DIGITAL HOST CONTROLLER INTERFACE (SDHCI) ST SPEAR DRIVER
M: Viresh Kumar <viresh.linux@gmail.com>
S: Maintained
F: drivers/staging/sm7xxfb/
+STAGING - SILICON MOTION SM750 FRAME BUFFER DRIVER
+M: Sudip Mukherjee <sudipm.mukherjee@gmail.com>
+M: Teddy Wang <teddy.wang@siliconmotion.com>
+M: Sudip Mukherjee <sudip@vectorindia.org>
+L: linux-fbdev@vger.kernel.org
+S: Maintained
+F: drivers/staging/sm750fb/
+
STAGING - SLICOSS
M: Lior Dotan <liodot@gmail.com>
M: Christopher Harrer <charrer@alacritech.com>
TIPC NETWORK LAYER
M: Jon Maloy <jon.maloy@ericsson.com>
-M: Allan Stephens <allan.stephens@windriver.com>
+M: Ying Xue <ying.xue@windriver.com>
L: netdev@vger.kernel.org (core kernel code)
L: tipc-discussion@lists.sourceforge.net (user apps, general discussion)
W: http://tipc.sourceforge.net/
F: drivers/platform/x86/topstar-laptop.c
TOSHIBA ACPI EXTRAS DRIVER
+M: Azael Avalos <coproscefalo@gmail.com>
L: platform-driver-x86@vger.kernel.org
-S: Orphan
+S: Maintained
F: drivers/platform/x86/toshiba_acpi.c
+TOSHIBA BLUETOOTH DRIVER
+M: Azael Avalos <coproscefalo@gmail.com>
+L: platform-driver-x86@vger.kernel.org
+S: Maintained
+F: drivers/platform/x86/toshiba_bluetooth.c
+
+TOSHIBA HDD ACTIVE PROTECTION SENSOR DRIVER
+M: Azael Avalos <coproscefalo@gmail.com>
+L: platform-driver-x86@vger.kernel.org
+S: Maintained
+F: drivers/platform/x86/toshiba_haps.c
+
TOSHIBA SMM DRIVER
M: Jonathan Buzzard <jonathan@buzzard.org.uk>
L: tlinux-users@tce.toshiba-dme.co.jp
TPM DEVICE DRIVER
M: Peter Huewe <peterhuewe@gmx.de>
M: Marcel Selhorst <tpmdd@selhorst.net>
+R: Jason Gunthorpe <jgunthorpe@obsidianresearch.com>
W: http://tpmdd.sourceforge.net
L: tpmdd-devel@lists.sourceforge.net (moderated for non-subscribers)
Q: git git://github.com/PeterHuewe/linux-tpmdd.git
F: drivers/net/usb/cdc_*.c
F: include/uapi/linux/usb/cdc.h
+USB CHAOSKEY DRIVER
+M: Keith Packard <keithp@keithp.com>
+L: linux-usb@vger.kernel.org
+S: Maintained
+F: drivers/usb/misc/chaoskey.c
+
USB CYPRESS C67X00 DRIVER
M: Peter Korsgaard <jacmet@sunsite.dk>
L: linux-usb@vger.kernel.org
USB OTG FSM (Finite State Machine)
M: Peter Chen <Peter.Chen@freescale.com>
-T: git git://github.com/hzpeterchen/linux-usb.git
+T: git git://git.kernel.org/pub/scm/linux/kernel/git/peter.chen/usb.git
L: linux-usb@vger.kernel.org
S: Maintained
F: drivers/usb/common/usb-otg-fsm.c
prompt "Kernel low-level debugging port"
depends on DEBUG_LL
+ config DEBUG_ALPINE_UART0
+ bool "Kernel low-level debugging messages via Alpine UART0"
+ depends on ARCH_ALPINE
+ select DEBUG_UART_8250
+ help
+ Say Y here if you want kernel low-level debugging support
+ on Alpine based platforms.
+
config DEBUG_ASM9260_UART
bool "Kernel low-level debugging via asm9260 UART"
depends on MACH_ASM9260
Say Y here if you want kernel low-level debugging support
on MMP UART3.
- config DEBUG_MSM_UART
- bool "Kernel low-level debugging messages via MSM UART"
- depends on ARCH_MSM
- help
- Say Y here if you want the debug print routines to direct
- their output to the serial port on MSM devices.
-
- ARCH DEBUG_UART_PHYS DEBUG_UART_VIRT #
- MSM7X00A, QSD8X50 0xa9a00000 0xe1000000 UART1
- MSM7X00A, QSD8X50 0xa9b00000 0xe1000000 UART2
- MSM7X00A, QSD8X50 0xa9c00000 0xe1000000 UART3
-
- MSM7X30 0xaca00000 0xe1000000 UART1
- MSM7X30 0xacb00000 0xe1000000 UART2
- MSM7X30 0xacc00000 0xe1000000 UART3
-
- Please adjust DEBUG_UART_PHYS and DEBUG_UART_BASE configuration
- options based on your needs.
-
config DEBUG_QCOM_UARTDM
bool "Kernel low-level debugging messages via QCOM UARTDM"
depends on ARCH_QCOM
via SCIF2 on Renesas R-Car H1 (R8A7779).
config DEBUG_RCAR_GEN2_SCIF0
- bool "Kernel low-level debugging messages via SCIF0 on R8A7790/R8A7791/R8A7793)"
+ bool "Kernel low-level debugging messages via SCIF0 on R8A7790/R8A7791/R8A7793"
depends on ARCH_R8A7790 || ARCH_R8A7791 || ARCH_R8A7793
help
Say Y here if you want kernel low-level debugging support
via SCIF2 on Renesas R-Car E2 (R8A7794).
config DEBUG_RMOBILE_SCIFA0
- bool "Kernel low-level debugging messages via SCIFA0 on R8A73A4/SH7372"
- depends on ARCH_R8A73A4 || ARCH_SH7372
+ bool "Kernel low-level debugging messages via SCIFA0 on R8A73A4"
+ depends on ARCH_R8A73A4
help
Say Y here if you want kernel low-level debugging support
- via SCIFA0 on Renesas R-Mobile APE6 (R8A73A4) or SH-Mobile
- AP4 (SH7372).
+ via SCIFA0 on Renesas R-Mobile APE6 (R8A73A4).
config DEBUG_RMOBILE_SCIFA1
bool "Kernel low-level debugging messages via SCIFA1 on R8A7740"
DEBUG_IMX6SL_UART || \
DEBUG_IMX6SX_UART
default "debug/ks8695.S" if DEBUG_KS8695_UART
- default "debug/msm.S" if DEBUG_MSM_UART || DEBUG_QCOM_UARTDM
+ default "debug/msm.S" if DEBUG_QCOM_UARTDM
default "debug/netx.S" if DEBUG_NETX_UART
default "debug/omap2plus.S" if DEBUG_OMAP2PLUS_UART
default "debug/renesas-scif.S" if DEBUG_R7S72100_SCIF2
default 0x80230000 if DEBUG_PICOXCELL_UART
default 0x808c0000 if ARCH_EP93XX
default 0x90020000 if DEBUG_NSPIRE_CLASSIC_UART || DEBUG_NSPIRE_CX_UART
- default 0xa9a00000 if DEBUG_MSM_UART
default 0xb0060000 if DEBUG_SIRFPRIMA2_UART1
default 0xb0090000 if DEBUG_VEXPRESS_UART0_CRX
default 0xc0013000 if DEBUG_U300_UART
default 0xf8b00000 if DEBUG_HIX5HD2_UART
default 0xf991e000 if DEBUG_QCOM_UARTDM
default 0xfcb00000 if DEBUG_HI3620_UART
+ default 0xfd883000 if DEBUG_ALPINE_UART0
default 0xfe800000 if ARCH_IOP32X
default 0xff690000 if DEBUG_RK32_UART2
default 0xffc02000 if DEBUG_SOCFPGA_UART
DEBUG_LL_UART_8250 || DEBUG_LL_UART_PL01X || \
DEBUG_LL_UART_EFM32 || \
DEBUG_UART_8250 || DEBUG_UART_PL01X || DEBUG_MESON_UARTAO || \
- DEBUG_MSM_UART || DEBUG_NETX_UART || \
+ DEBUG_NETX_UART || \
DEBUG_QCOM_UARTDM || DEBUG_R7S72100_SCIF2 || \
DEBUG_RCAR_GEN1_SCIF0 || DEBUG_RCAR_GEN1_SCIF2 || \
DEBUG_RCAR_GEN2_SCIF0 || DEBUG_RCAR_GEN2_SCIF2 || \
hex "Virtual base address of debug UART"
default 0xe0000a00 if DEBUG_NETX_UART
default 0xe0010fe0 if ARCH_RPC
- default 0xe1000000 if DEBUG_MSM_UART
default 0xf0000be0 if ARCH_EBSA110
default 0xf0010000 if DEBUG_ASM9260_UART
default 0xf01fb000 if DEBUG_NOMADIK_UART
default 0xfd000000 if ARCH_SPEAR3XX || ARCH_SPEAR6XX
default 0xfd000000 if ARCH_SPEAR13XX
default 0xfd012000 if ARCH_MV78XX0
+ default 0xfd883000 if DEBUG_ALPINE_UART0
default 0xfde12000 if ARCH_DOVE
default 0xfe012000 if ARCH_ORION5X
default 0xf31004c0 if DEBUG_MESON_UARTAO
default DEBUG_UART_PHYS if !MMU
depends on DEBUG_LL_UART_8250 || DEBUG_LL_UART_PL01X || \
DEBUG_UART_8250 || DEBUG_UART_PL01X || DEBUG_MESON_UARTAO || \
- DEBUG_MSM_UART || DEBUG_NETX_UART || \
+ DEBUG_NETX_UART || \
DEBUG_QCOM_UARTDM || DEBUG_S3C24XX_UART || \
DEBUG_UART_BCM63XX || DEBUG_ASM9260_UART || \
DEBUG_SIRFSOC_UART || DEBUG_DIGICOLOR_UA0
depends on DEBUG_LL_UART_8250 || DEBUG_UART_8250
depends on DEBUG_UART_8250_SHIFT >= 2
default y if DEBUG_PICOXCELL_UART || DEBUG_SOCFPGA_UART || \
- ARCH_KEYSTONE || \
+ ARCH_KEYSTONE || DEBUG_ALPINE_UART0 || \
DEBUG_DAVINCI_DMx_UART0 || DEBUG_DAVINCI_DA8XX_UART1 || \
DEBUG_DAVINCI_DA8XX_UART2 || \
DEBUG_BCM_KONA_UART || DEBUG_RK32_UART2 || \
config DEBUG_UNCOMPRESS
bool
- depends on ARCH_MULTIPLATFORM || ARCH_MSM || PLAT_SAMSUNG
+ depends on ARCH_MULTIPLATFORM || PLAT_SAMSUNG
default y if DEBUG_LL && !DEBUG_OMAP2PLUS_UART && \
(!DEBUG_TEGRA_UART || !ZBOOT_ROM)
help
config UNCOMPRESS_INCLUDE
string
default "debug/uncompress.h" if ARCH_MULTIPLATFORM || ARCH_MSM || \
- PLAT_SAMSUNG || ARCH_EFM32
+ PLAT_SAMSUNG || ARCH_EFM32 || \
+ ARCH_SHMOBILE_LEGACY
default "mach/uncompress.h"
config EARLY_PRINTK
against certain classes of kernel exploits.
If in doubt, say "N".
- menuconfig CORESIGHT
- bool "CoreSight Tracing Support"
- select ARM_AMBA
- help
- This framework provides a kernel interface for the CoreSight debug
- and trace drivers to register themselves with. It's intended to build
- a topological view of the CoreSight components based on a DT
- specification and configure the right serie of components when a
- trace source gets enabled.
-
- if CORESIGHT
- config CORESIGHT_LINKS_AND_SINKS
- bool "CoreSight Link and Sink drivers"
- help
- This enables support for CoreSight link and sink drivers that are
- responsible for transporting and collecting the trace data
- respectively. Link and sinks are dynamically aggregated with a trace
- entity at run time to form a complete trace path.
-
- config CORESIGHT_LINK_AND_SINK_TMC
- bool "Coresight generic TMC driver"
- depends on CORESIGHT_LINKS_AND_SINKS
- help
- This enables support for the Trace Memory Controller driver. Depending
- on its configuration the device can act as a link (embedded trace router
- - ETR) or sink (embedded trace FIFO). The driver complies with the
- generic implementation of the component without special enhancement or
- added features.
-
- config CORESIGHT_SINK_TPIU
- bool "Coresight generic TPIU driver"
- depends on CORESIGHT_LINKS_AND_SINKS
- help
- This enables support for the Trace Port Interface Unit driver, responsible
- for bridging the gap between the on-chip coresight components and a trace
- port collection engine, typically connected to an external host for use
- case capturing more traces than the on-board coresight memory can handle.
-
- config CORESIGHT_SINK_ETBV10
- bool "Coresight ETBv1.0 driver"
- depends on CORESIGHT_LINKS_AND_SINKS
- help
- This enables support for the Embedded Trace Buffer version 1.0 driver
- that complies with the generic implementation of the component without
- special enhancement or added features.
+ source "drivers/hwtracing/coresight/Kconfig"
- config CORESIGHT_SOURCE_ETM3X
- bool "CoreSight Embedded Trace Macrocell 3.x driver"
- select CORESIGHT_LINKS_AND_SINKS
- help
- This driver provides support for processor ETM3.x and PTM1.x modules,
- which allows tracing the instructions that a processor is executing
- This is primarily useful for instruction level tracing. Depending
- the ETM version data tracing may also be available.
- endif
endmenu
ti,model = "omap3beagle";
ti,mcbsp = <&mcbsp2>;
- ti,codec = <&twl_audio>;
};
gpio_keys {
compatible = "arm,coresight-etb10", "arm,primecell";
reg = <0x5401b000 0x1000>;
- coresight-default-sink;
clocks = <&emu_src_ck>;
clock-names = "apb_pclk";
port {
ti,model = "omap3beagle";
ti,mcbsp = <&mcbsp2>;
- ti,codec = <&twl_audio>;
};
gpio_keys {
compatible = "arm,coresight-etb10", "arm,primecell";
reg = <0x5401b000 0x1000>;
- coresight-default-sink;
clocks = <&emu_src_ck>;
clock-names = "apb_pclk";
port {
};
};
};
+
+&gpmc {
+ status = "ok";
+ ranges = <0 0 0x30000000 0x1000000>; /* CS0 space, 16MB */
+
+ /* Chip select 0 */
+ nand@0,0 {
+ reg = <0 0 4>; /* NAND I/O window, 4 bytes */
+ interrupts = <20>;
+ ti,nand-ecc-opt = "ham1";
+ nand-bus-width = <16>;
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ gpmc,device-width = <2>;
+ gpmc,cs-on-ns = <0>;
+ gpmc,cs-rd-off-ns = <36>;
+ gpmc,cs-wr-off-ns = <36>;
+ gpmc,adv-on-ns = <6>;
+ gpmc,adv-rd-off-ns = <24>;
+ gpmc,adv-wr-off-ns = <36>;
+ gpmc,oe-on-ns = <6>;
+ gpmc,oe-off-ns = <48>;
+ gpmc,we-on-ns = <6>;
+ gpmc,we-off-ns = <30>;
+ gpmc,rd-cycle-ns = <72>;
+ gpmc,wr-cycle-ns = <72>;
+ gpmc,access-ns = <54>;
+ gpmc,wr-access-ns = <30>;
+
+ partition@0 {
+ label = "X-Loader";
+ reg = <0 0x80000>;
+ };
+ partition@80000 {
+ label = "U-Boot";
+ reg = <0x80000 0x1e0000>;
+ };
+ partition@1c0000 {
+ label = "U-Boot Env";
+ reg = <0x260000 0x20000>;
+ };
+ partition@280000 {
+ label = "Kernel";
+ reg = <0x280000 0x400000>;
+ };
+ partition@780000 {
+ label = "Filesystem";
+ reg = <0x680000 0xf980000>;
+ };
+ };
+};
/dts-v1/;
-#include "omap34xx-hs.dtsi"
+#include "omap34xx.dtsi"
#include <dt-bindings/input/input.h>
+/*
+ * Default secure signed bootloader (Nokia X-Loader) does not enable L3 firewall
+ * for omap AES HW crypto support. When linux kernel try to access memory of AES
+ * blocks then kernel receive "Unhandled fault: external abort on non-linefetch"
+ * and crash. Until somebody fix omap-aes.c and omap_hwmod_3xxx_data.c code (no
+ * crash anymore) omap AES support will be disabled for all Nokia N900 devices.
+ * There is "unofficial" version of bootloader which enables AES in L3 firewall
+ * but it is not widely used and to prevent kernel crash rather AES is disabled.
+ * There is also no runtime detection code if AES is disabled in L3 firewall...
+ */
+&aes {
+ status = "disabled";
+};
+
/ {
model = "Nokia N900";
compatible = "nokia,omap3-n900", "ti,omap3430", "ti,omap3";
DRVDD-supply = <&vmmc2>;
IOVDD-supply = <&vio>;
DVDD-supply = <&vio>;
+
+ ai3x-micbias-vg = <1>;
};
tlv320aic3x_aux: tlv320aic3x@19 {
DRVDD-supply = <&vmmc2>;
IOVDD-supply = <&vio>;
DVDD-supply = <&vio>;
+
+ ai3x-micbias-vg = <2>;
};
tsl2563: tsl2563@29 {
pinctrl-0 = <&i2c3_pins>;
clock-frequency = <400000>;
+
+ lis302dl: lis3lv02d@1d {
+ compatible = "st,lis3lv02d";
+ reg = <0x1d>;
+
+ Vdd-supply = <&vaux1>;
+ Vdd_IO-supply = <&vio>;
+
+ interrupt-parent = <&gpio6>;
+ interrupts = <21 20>; /* 181 and 180 */
+
+ /* click flags */
+ st,click-single-x;
+ st,click-single-y;
+ st,click-single-z;
+
+ /* Limits are 0.5g * value */
+ st,click-threshold-x = <8>;
+ st,click-threshold-y = <8>;
+ st,click-threshold-z = <10>;
+
+ /* Click must be longer than time limit */
+ st,click-time-limit = <9>;
+
+ /* Kind of debounce filter */
+ st,click-latency = <50>;
+
+ /* Interrupt line 2 for click detection */
+ st,irq2-click;
+
+ st,wakeup-x-hi;
+ st,wakeup-y-hi;
+ st,wakeup-threshold = <(800/18)>; /* millig-value / 18 to get HW values */
+
+ st,wakeup2-z-hi;
+ st,wakeup2-threshold = <(900/18)>; /* millig-value / 18 to get HW values */
+
+ st,hipass1-disable;
+ st,hipass2-disable;
+
+ st,axis-x = <1>; /* LIS3_DEV_X */
+ st,axis-y = <(-2)>; /* LIS3_INV_DEV_Y */
+ st,axis-z = <(-3)>; /* LIS3_INV_DEV_Z */
+
+ st,min-limit-x = <(-32)>;
+ st,min-limit-y = <3>;
+ st,min-limit-z = <3>;
+
+ st,max-limit-x = <(-3)>;
+ st,max-limit-y = <32>;
+ st,max-limit-z = <32>;
+ };
};
&mmc1 {
add_early_randomness(rng);
current_quality = rng->quality ? : default_quality;
- current_quality &= 1023;
+ if (current_quality > 1024)
+ current_quality = 1024;
if (current_quality == 0 && hwrng_fill)
kthread_stop(hwrng_fill);
.llseek = noop_llseek,
};
+ static const struct attribute_group *rng_dev_groups[];
+
static struct miscdevice rng_miscdev = {
.minor = RNG_MISCDEV_MINOR,
.name = RNG_MODULE_NAME,
.nodename = "hwrng",
.fops = &rng_chrdev_ops,
+ .groups = rng_dev_groups,
};
hwrng_attr_available_show,
NULL);
+ static struct attribute *rng_dev_attrs[] = {
+ &dev_attr_rng_current.attr,
+ &dev_attr_rng_available.attr,
+ NULL
+ };
+
+ ATTRIBUTE_GROUPS(rng_dev);
static void __exit unregister_miscdev(void)
{
- device_remove_file(rng_miscdev.this_device, &dev_attr_rng_available);
- device_remove_file(rng_miscdev.this_device, &dev_attr_rng_current);
misc_deregister(&rng_miscdev);
}
static int __init register_miscdev(void)
{
- int err;
-
- err = misc_register(&rng_miscdev);
- if (err)
- goto out;
- err = device_create_file(rng_miscdev.this_device,
- &dev_attr_rng_current);
- if (err)
- goto err_misc_dereg;
- err = device_create_file(rng_miscdev.this_device,
- &dev_attr_rng_available);
- if (err)
- goto err_remove_current;
- out:
- return err;
-
- err_remove_current:
- device_remove_file(rng_miscdev.this_device, &dev_attr_rng_current);
- err_misc_dereg:
- misc_deregister(&rng_miscdev);
- goto out;
+ return misc_register(&rng_miscdev);
}
static int hwrng_fillfn(void *unused)
}
EXPORT_SYMBOL_GPL(hwrng_unregister);
+static void devm_hwrng_release(struct device *dev, void *res)
+{
+ hwrng_unregister(*(struct hwrng **)res);
+}
+
+static int devm_hwrng_match(struct device *dev, void *res, void *data)
+{
+ struct hwrng **r = res;
+
+ if (WARN_ON(!r || !*r))
+ return 0;
+
+ return *r == data;
+}
+
+int devm_hwrng_register(struct device *dev, struct hwrng *rng)
+{
+ struct hwrng **ptr;
+ int error;
+
+ ptr = devres_alloc(devm_hwrng_release, sizeof(*ptr), GFP_KERNEL);
+ if (!ptr)
+ return -ENOMEM;
+
+ error = hwrng_register(rng);
+ if (error) {
+ devres_free(ptr);
+ return error;
+ }
+
+ *ptr = rng;
+ devres_add(dev, ptr);
+ return 0;
+}
+EXPORT_SYMBOL_GPL(devm_hwrng_register);
+
+void devm_hwrng_unregister(struct device *dev, struct hwrng *rng)
+{
+ devres_release(dev, devm_hwrng_release, devm_hwrng_match, rng);
+}
+EXPORT_SYMBOL_GPL(devm_hwrng_unregister);
+
static int __init hwrng_modinit(void)
{
return register_miscdev();
*/
bool supports_event_msg_buff;
+ /*
+ * Can we clear the global enables receive irq bit?
+ */
+ bool cannot_clear_recv_irq_bit;
+
/*
* Did we get an attention that we did not handle?
*/
* allocate messages, we just leave them in the BMC and run the system
* polled until we can allocate some memory. Once we have some
* memory, we will re-enable the interrupt.
+ *
+ * Note that we cannot just use disable_irq(), since the interrupt may
+ * be shared.
*/
static inline bool disable_si_irq(struct smi_info *smi_info)
{
if (smi_info->supports_event_msg_buff)
enables |= IPMI_BMC_EVT_MSG_BUFF;
- else
- enables &= ~IPMI_BMC_EVT_MSG_BUFF;
- if (smi_info->irq && !smi_info->interrupt_disabled)
+ if ((smi_info->irq && !smi_info->interrupt_disabled) ||
+ smi_info->cannot_clear_recv_irq_bit)
enables |= IPMI_BMC_RCV_MSG_INTR;
- else
- enables &= ~IPMI_BMC_RCV_MSG_INTR;
if (smi_info->supports_event_msg_buff &&
smi_info->irq && !smi_info->interrupt_disabled)
enables |= IPMI_BMC_EVT_MSG_INTR;
- else
- enables &= ~IPMI_BMC_EVT_MSG_INTR;
*irq_on = enables & (IPMI_BMC_EVT_MSG_INTR | IPMI_BMC_RCV_MSG_INTR);
};
#endif /* CONFIG_PCI */
- static struct of_device_id ipmi_match[];
+ static const struct of_device_id ipmi_match[];
static int ipmi_probe(struct platform_device *dev)
{
#ifdef CONFIG_OF
return 0;
}
- static struct of_device_id ipmi_match[] =
+ static const struct of_device_id ipmi_match[] =
{
{ .type = "ipmi", .compatible = "ipmi-kcs",
.data = (void *)(unsigned long) SI_KCS },
return rv;
}
+/*
+ * Some BMCs do not support clearing the receive irq bit in the global
+ * enables (even if they don't support interrupts on the BMC). Check
+ * for this and handle it properly.
+ */
+static void check_clr_rcv_irq(struct smi_info *smi_info)
+{
+ unsigned char msg[3];
+ unsigned char *resp;
+ unsigned long resp_len;
+ int rv;
+
+ resp = kmalloc(IPMI_MAX_MSG_LENGTH, GFP_KERNEL);
+ if (!resp) {
+ printk(KERN_WARNING PFX "Out of memory allocating response for"
+ " global enables command, cannot check recv irq bit"
+ " handling.\n");
+ return;
+ }
+
+ msg[0] = IPMI_NETFN_APP_REQUEST << 2;
+ msg[1] = IPMI_GET_BMC_GLOBAL_ENABLES_CMD;
+ smi_info->handlers->start_transaction(smi_info->si_sm, msg, 2);
+
+ rv = wait_for_msg_done(smi_info);
+ if (rv) {
+ printk(KERN_WARNING PFX "Error getting response from get"
+ " global enables command, cannot check recv irq bit"
+ " handling.\n");
+ goto out;
+ }
+
+ resp_len = smi_info->handlers->get_result(smi_info->si_sm,
+ resp, IPMI_MAX_MSG_LENGTH);
+
+ if (resp_len < 4 ||
+ resp[0] != (IPMI_NETFN_APP_REQUEST | 1) << 2 ||
+ resp[1] != IPMI_GET_BMC_GLOBAL_ENABLES_CMD ||
+ resp[2] != 0) {
+ printk(KERN_WARNING PFX "Invalid return from get global"
+ " enables command, cannot check recv irq bit"
+ " handling.\n");
+ rv = -EINVAL;
+ goto out;
+ }
+
+ if ((resp[3] & IPMI_BMC_RCV_MSG_INTR) == 0)
+ /* Already clear, should work ok. */
+ goto out;
+
+ msg[0] = IPMI_NETFN_APP_REQUEST << 2;
+ msg[1] = IPMI_SET_BMC_GLOBAL_ENABLES_CMD;
+ msg[2] = resp[3] & ~IPMI_BMC_RCV_MSG_INTR;
+ smi_info->handlers->start_transaction(smi_info->si_sm, msg, 3);
+
+ rv = wait_for_msg_done(smi_info);
+ if (rv) {
+ printk(KERN_WARNING PFX "Error getting response from set"
+ " global enables command, cannot check recv irq bit"
+ " handling.\n");
+ goto out;
+ }
+
+ resp_len = smi_info->handlers->get_result(smi_info->si_sm,
+ resp, IPMI_MAX_MSG_LENGTH);
+
+ if (resp_len < 3 ||
+ resp[0] != (IPMI_NETFN_APP_REQUEST | 1) << 2 ||
+ resp[1] != IPMI_SET_BMC_GLOBAL_ENABLES_CMD) {
+ printk(KERN_WARNING PFX "Invalid return from get global"
+ " enables command, cannot check recv irq bit"
+ " handling.\n");
+ rv = -EINVAL;
+ goto out;
+ }
+
+ if (resp[2] != 0) {
+ /*
+ * An error when setting the event buffer bit means
+ * clearing the bit is not supported.
+ */
+ printk(KERN_WARNING PFX "The BMC does not support clearing"
+ " the recv irq bit, compensating, but the BMC needs to"
+ " be fixed.\n");
+ smi_info->cannot_clear_recv_irq_bit = true;
+ }
+ out:
+ kfree(resp);
+}
+
static int try_enable_event_buffer(struct smi_info *smi_info)
{
unsigned char msg[3];
seq_printf(m, "%s\n", si_to_str[smi->si_type]);
- return seq_has_overflowed(m);
+ return 0;
}
static int smi_type_proc_open(struct inode *inode, struct file *file)
smi->irq,
smi->slave_addr);
- return seq_has_overflowed(m);
+ return 0;
}
static int smi_params_proc_open(struct inode *inode, struct file *file)
goto out_err;
}
+ check_clr_rcv_irq(new_smi);
+
setup_oem_data_handler(new_smi);
setup_xaction_handlers(new_smi);
static void arizona_start_hpdet_acc_id(struct arizona_extcon_info *info);
- static void arizona_extcon_do_magic(struct arizona_extcon_info *info,
- unsigned int magic)
+ static void arizona_extcon_hp_clamp(struct arizona_extcon_info *info,
+ bool clamp)
{
struct arizona *arizona = info->arizona;
+ unsigned int mask = 0, val = 0;
int ret;
+ switch (arizona->type) {
+ case WM5110:
+ mask = ARIZONA_HP1L_SHRTO | ARIZONA_HP1L_FLWR |
+ ARIZONA_HP1L_SHRTI;
+ if (clamp)
+ val = ARIZONA_HP1L_SHRTO;
+ else
+ val = ARIZONA_HP1L_FLWR | ARIZONA_HP1L_SHRTI;
+ break;
+ default:
+ mask = ARIZONA_RMV_SHRT_HP1L;
+ if (clamp)
+ val = ARIZONA_RMV_SHRT_HP1L;
+ break;
+ };
+
mutex_lock(&arizona->dapm->card->dapm_mutex);
- arizona->hpdet_magic = magic;
+ arizona->hpdet_clamp = clamp;
- /* Keep the HP output stages disabled while doing the magic */
- if (magic) {
+ /* Keep the HP output stages disabled while doing the clamp */
+ if (clamp) {
ret = regmap_update_bits(arizona->regmap,
ARIZONA_OUTPUT_ENABLES_1,
ARIZONA_OUT1L_ENA |
ret);
}
- ret = regmap_update_bits(arizona->regmap, 0x225, 0x4000,
- magic);
+ ret = regmap_update_bits(arizona->regmap, ARIZONA_HP_CTRL_1L,
+ mask, val);
if (ret != 0)
- dev_warn(arizona->dev, "Failed to do magic: %d\n",
+ dev_warn(arizona->dev, "Failed to do clamp: %d\n",
ret);
- ret = regmap_update_bits(arizona->regmap, 0x226, 0x4000,
- magic);
+ ret = regmap_update_bits(arizona->regmap, ARIZONA_HP_CTRL_1R,
+ mask, val);
if (ret != 0)
- dev_warn(arizona->dev, "Failed to do magic: %d\n",
+ dev_warn(arizona->dev, "Failed to do clamp: %d\n",
ret);
- /* Restore the desired state while not doing the magic */
- if (!magic) {
+ /* Restore the desired state while not doing the clamp */
+ if (!clamp) {
ret = regmap_update_bits(arizona->regmap,
ARIZONA_OUTPUT_ENABLES_1,
ARIZONA_OUT1L_ENA |
ARIZONA_HP_IMPEDANCE_RANGE_MASK | ARIZONA_HP_POLL,
0);
- arizona_extcon_do_magic(info, 0);
+ arizona_extcon_hp_clamp(info, false);
if (id_gpio)
gpio_set_value_cansleep(id_gpio, 0);
if (info->mic)
arizona_stop_mic(info);
- arizona_extcon_do_magic(info, 0x4000);
+ arizona_extcon_hp_clamp(info, true);
ret = regmap_update_bits(arizona->regmap,
ARIZONA_ACCESSORY_DETECT_MODE_1,
info->hpdet_active = true;
- arizona_extcon_do_magic(info, 0x4000);
+ arizona_extcon_hp_clamp(info, true);
ret = regmap_update_bits(arizona->regmap,
ARIZONA_ACCESSORY_DETECT_MODE_1,
}
break;
case WM5110:
+ case WM8280:
switch (arizona->rev) {
case 0 ... 2:
break;
#include <linux/platform_device.h>
#include <linux/amba/bus.h>
#include <linux/coresight.h>
+ #include <linux/cpumask.h>
#include <asm/smp_plat.h>
endpoint, of_dev_node_match);
}
-static struct device_node *of_get_coresight_endpoint(
- const struct device_node *parent, struct device_node *prev)
-{
- struct device_node *node = of_graph_get_next_endpoint(parent, prev);
-
- of_node_put(prev);
- return node;
-}
-
static void of_coresight_get_ports(struct device_node *node,
int *nr_inport, int *nr_outport)
{
int in = 0, out = 0;
do {
- ep = of_get_coresight_endpoint(node, ep);
+ ep = of_graph_get_next_endpoint(node, ep);
if (!ep)
break;
struct coresight_platform_data *of_get_coresight_platform_data(
struct device *dev, struct device_node *node)
{
- int i = 0, ret = 0;
+ int i = 0, ret = 0, cpu;
struct coresight_platform_data *pdata;
struct of_endpoint endpoint, rendpoint;
struct device *rdev;
/* Iterate through each port to discover topology */
do {
/* Get a handle on a port */
- ep = of_get_coresight_endpoint(node, ep);
+ ep = of_graph_get_next_endpoint(node, ep);
if (!ep)
break;
/* Affinity defaults to CPU0 */
pdata->cpu = 0;
dn = of_parse_phandle(node, "cpu", 0);
- if (dn) {
- const u32 *cell;
- int len, index;
- u64 hwid;
-
- cell = of_get_property(dn, "reg", &len);
- if (cell) {
- hwid = of_read_number(cell, of_n_addr_cells(dn));
- index = get_logical_index(hwid);
- if (index != -EINVAL)
- pdata->cpu = index;
+ for (cpu = 0; dn && cpu < nr_cpu_ids; cpu++) {
+ if (dn == of_get_cpu_node(cpu, NULL)) {
+ pdata->cpu = cpu;
+ break;
}
}
#include <linux/errno.h>
#include <linux/types.h>
#include <linux/fcntl.h>
-#include <linux/aio.h>
#include <linux/ioctl.h>
#include <linux/cdev.h>
#include <linux/list.h>
{
/* reset iamthif parameters. */
dev->iamthif_current_cb = NULL;
- dev->iamthif_msg_buf_size = 0;
- dev->iamthif_msg_buf_index = 0;
dev->iamthif_canceled = false;
- dev->iamthif_ioctl = false;
dev->iamthif_state = MEI_IAMTHIF_IDLE;
dev->iamthif_timer = 0;
dev->iamthif_stall_timer = 0;
{
struct mei_cl *cl = &dev->iamthif_cl;
struct mei_me_client *me_cl;
- unsigned char *msg_buf;
int ret;
dev->iamthif_state = MEI_IAMTHIF_IDLE;
dev->iamthif_mtu = me_cl->props.max_msg_length;
dev_dbg(dev->dev, "IAMTHIF_MTU = %d\n", dev->iamthif_mtu);
- kfree(dev->iamthif_msg_buf);
- dev->iamthif_msg_buf = NULL;
-
- /* allocate storage for ME message buffer */
- msg_buf = kcalloc(dev->iamthif_mtu,
- sizeof(unsigned char), GFP_KERNEL);
- if (!msg_buf) {
- ret = -ENOMEM;
- goto out;
- }
-
- dev->iamthif_msg_buf = msg_buf;
ret = mei_cl_link(cl, MEI_IAMTHIF_HOST_CLIENT_ID);
if (ret < 0) {
dev_dbg(dev->dev, "woke up from sleep\n");
}
+ if (cb->status) {
+ rets = cb->status;
+ dev_dbg(dev->dev, "read operation failed %d\n", rets);
+ goto free;
+ }
dev_dbg(dev->dev, "Got amthif data\n");
dev->iamthif_timer = 0;
- if (cb) {
- timeout = cb->read_time +
- mei_secs_to_jiffies(MEI_IAMTHIF_READ_TIMER);
- dev_dbg(dev->dev, "amthif timeout = %lud\n",
- timeout);
-
- if (time_after(jiffies, timeout)) {
- dev_dbg(dev->dev, "amthif Time out\n");
- /* 15 sec for the message has expired */
- list_del(&cb->list);
- rets = -ETIME;
- goto free;
- }
+ timeout = cb->read_time +
+ mei_secs_to_jiffies(MEI_IAMTHIF_READ_TIMER);
+ dev_dbg(dev->dev, "amthif timeout = %lud\n",
+ timeout);
+
+ if (time_after(jiffies, timeout)) {
+ dev_dbg(dev->dev, "amthif Time out\n");
+ /* 15 sec for the message has expired */
+ list_del_init(&cb->list);
+ rets = -ETIME;
+ goto free;
}
/* if the whole message will fit remove it from the list */
if (cb->buf_idx >= *offset && length >= (cb->buf_idx - *offset))
- list_del(&cb->list);
+ list_del_init(&cb->list);
else if (cb->buf_idx > 0 && cb->buf_idx <= *offset) {
/* end of the message has been reached */
- list_del(&cb->list);
+ list_del_init(&cb->list);
rets = 0;
goto free;
}
* remove message from deletion list
*/
- dev_dbg(dev->dev, "amthif cb->response_buffer size - %d\n",
- cb->response_buffer.size);
+ dev_dbg(dev->dev, "amthif cb->buf size - %d\n",
+ cb->buf.size);
dev_dbg(dev->dev, "amthif cb->buf_idx - %lu\n", cb->buf_idx);
/* length is being truncated to PAGE_SIZE, however,
* the buf_idx may point beyond */
length = min_t(size_t, length, (cb->buf_idx - *offset));
- if (copy_to_user(ubuf, cb->response_buffer.data + *offset, length)) {
+ if (copy_to_user(ubuf, cb->buf.data + *offset, length)) {
dev_dbg(dev->dev, "failed to copy data to userland\n");
rets = -EFAULT;
} else {
}
/**
- * mei_amthif_send_cmd - send amthif command to the ME
+ * mei_amthif_read_start - queue message for sending read credential
*
- * @dev: the device structure
- * @cb: mei call back struct
+ * @cl: host client
+ * @file: file pointer of message recipient
*
* Return: 0 on success, <0 on failure.
- *
*/
- static int mei_amthif_send_cmd(struct mei_device *dev, struct mei_cl_cb *cb)
+ static int mei_amthif_read_start(struct mei_cl *cl, struct file *file)
{
- struct mei_msg_hdr mei_hdr;
- struct mei_cl *cl;
- int ret;
-
- if (!dev || !cb)
- return -ENODEV;
+ struct mei_device *dev = cl->dev;
+ struct mei_cl_cb *cb;
+ size_t length = dev->iamthif_mtu;
+ int rets;
- dev_dbg(dev->dev, "write data to amthif client.\n");
+ cb = mei_io_cb_init(cl, MEI_FOP_READ, file);
+ if (!cb) {
+ rets = -ENOMEM;
+ goto err;
+ }
- dev->iamthif_state = MEI_IAMTHIF_WRITING;
- dev->iamthif_current_cb = cb;
- dev->iamthif_file_object = cb->file_object;
- dev->iamthif_canceled = false;
- dev->iamthif_ioctl = true;
- dev->iamthif_msg_buf_size = cb->request_buffer.size;
- memcpy(dev->iamthif_msg_buf, cb->request_buffer.data,
- cb->request_buffer.size);
- cl = &dev->iamthif_cl;
+ rets = mei_io_cb_alloc_buf(cb, length);
+ if (rets)
+ goto err;
- ret = mei_cl_flow_ctrl_creds(cl);
- if (ret < 0)
- return ret;
+ list_add_tail(&cb->list, &dev->ctrl_wr_list.list);
- if (ret && mei_hbuf_acquire(dev)) {
- ret = 0;
- if (cb->request_buffer.size > mei_hbuf_max_len(dev)) {
- mei_hdr.length = mei_hbuf_max_len(dev);
- mei_hdr.msg_complete = 0;
- } else {
- mei_hdr.length = cb->request_buffer.size;
- mei_hdr.msg_complete = 1;
- }
+ dev->iamthif_state = MEI_IAMTHIF_READING;
+ dev->iamthif_file_object = cb->file_object;
+ dev->iamthif_current_cb = cb;
- mei_hdr.host_addr = cl->host_client_id;
- mei_hdr.me_addr = cl->me_client_id;
- mei_hdr.reserved = 0;
- mei_hdr.internal = 0;
- dev->iamthif_msg_buf_index += mei_hdr.length;
- ret = mei_write_message(dev, &mei_hdr, dev->iamthif_msg_buf);
- if (ret)
- return ret;
-
- if (mei_hdr.msg_complete) {
- if (mei_cl_flow_ctrl_reduce(cl))
- return -EIO;
- dev->iamthif_flow_control_pending = true;
- dev->iamthif_state = MEI_IAMTHIF_FLOW_CONTROL;
- dev_dbg(dev->dev, "add amthif cb to write waiting list\n");
- dev->iamthif_current_cb = cb;
- dev->iamthif_file_object = cb->file_object;
- list_add_tail(&cb->list, &dev->write_waiting_list.list);
- } else {
- dev_dbg(dev->dev, "message does not complete, so add amthif cb to write list.\n");
- list_add_tail(&cb->list, &dev->write_list.list);
- }
- } else {
- list_add_tail(&cb->list, &dev->write_list.list);
- }
return 0;
+ err:
+ mei_io_cb_free(cb);
+ return rets;
}
/**
- * mei_amthif_write - write amthif data to amthif client
+ * mei_amthif_send_cmd - send amthif command to the ME
*
- * @dev: the device structure
+ * @cl: the host client
* @cb: mei call back struct
*
* Return: 0 on success, <0 on failure.
- *
*/
- int mei_amthif_write(struct mei_device *dev, struct mei_cl_cb *cb)
+ static int mei_amthif_send_cmd(struct mei_cl *cl, struct mei_cl_cb *cb)
{
+ struct mei_device *dev;
int ret;
- if (!dev || !cb)
+ if (!cl->dev || !cb)
return -ENODEV;
- ret = mei_io_cb_alloc_resp_buf(cb, dev->iamthif_mtu);
- if (ret)
+ dev = cl->dev;
+
+ dev->iamthif_state = MEI_IAMTHIF_WRITING;
+ dev->iamthif_current_cb = cb;
+ dev->iamthif_file_object = cb->file_object;
+ dev->iamthif_canceled = false;
+
+ ret = mei_cl_write(cl, cb, false);
+ if (ret < 0)
return ret;
- cb->fop_type = MEI_FOP_WRITE;
+ if (cb->completed)
+ cb->status = mei_amthif_read_start(cl, cb->file_object);
- if (!list_empty(&dev->amthif_cmd_list.list) ||
- dev->iamthif_state != MEI_IAMTHIF_IDLE) {
- dev_dbg(dev->dev,
- "amthif state = %d\n", dev->iamthif_state);
- dev_dbg(dev->dev, "AMTHIF: add cb to the wait list\n");
- list_add_tail(&cb->list, &dev->amthif_cmd_list.list);
- return 0;
- }
- return mei_amthif_send_cmd(dev, cb);
+ return 0;
}
+
/**
* mei_amthif_run_next_cmd - send next amt command from queue
*
* @dev: the device structure
+ *
+ * Return: 0 on success, <0 on failure.
*/
- void mei_amthif_run_next_cmd(struct mei_device *dev)
+ int mei_amthif_run_next_cmd(struct mei_device *dev)
{
+ struct mei_cl *cl = &dev->iamthif_cl;
struct mei_cl_cb *cb;
- int ret;
-
- if (!dev)
- return;
- dev->iamthif_msg_buf_size = 0;
- dev->iamthif_msg_buf_index = 0;
dev->iamthif_canceled = false;
- dev->iamthif_ioctl = true;
dev->iamthif_state = MEI_IAMTHIF_IDLE;
dev->iamthif_timer = 0;
dev->iamthif_file_object = NULL;
cb = list_first_entry_or_null(&dev->amthif_cmd_list.list,
typeof(*cb), list);
if (!cb)
- return;
- list_del(&cb->list);
- ret = mei_amthif_send_cmd(dev, cb);
- if (ret)
- dev_warn(dev->dev, "amthif write failed status = %d\n", ret);
+ return 0;
+
+ list_del_init(&cb->list);
+ return mei_amthif_send_cmd(cl, cb);
}
+ /**
+ * mei_amthif_write - write amthif data to amthif client
+ *
+ * @cl: host client
+ * @cb: mei call back struct
+ *
+ * Return: 0 on success, <0 on failure.
+ */
+ int mei_amthif_write(struct mei_cl *cl, struct mei_cl_cb *cb)
+ {
+
+ struct mei_device *dev;
+
+ if (WARN_ON(!cl || !cl->dev))
+ return -ENODEV;
+
+ if (WARN_ON(!cb))
+ return -EINVAL;
+
+ dev = cl->dev;
+
+ list_add_tail(&cb->list, &dev->amthif_cmd_list.list);
+ return mei_amthif_run_next_cmd(dev);
+ }
+
+ /**
+ * mei_amthif_poll - the amthif poll function
+ *
+ * @dev: the device structure
+ * @file: pointer to file structure
+ * @wait: pointer to poll_table structure
+ *
+ * Return: poll mask
+ *
+ * Locking: called under "dev->device_lock" lock
+ */
unsigned int mei_amthif_poll(struct mei_device *dev,
struct file *file, poll_table *wait)
poll_wait(file, &dev->iamthif_cl.wait, wait);
- mutex_lock(&dev->device_lock);
- if (!mei_cl_is_connected(&dev->iamthif_cl)) {
-
- mask = POLLERR;
-
- } else if (dev->iamthif_state == MEI_IAMTHIF_READ_COMPLETE &&
- dev->iamthif_file_object == file) {
+ if (dev->iamthif_state == MEI_IAMTHIF_READ_COMPLETE &&
+ dev->iamthif_file_object == file) {
- mask |= (POLLIN | POLLRDNORM);
- dev_dbg(dev->dev, "run next amthif cb\n");
+ mask |= POLLIN | POLLRDNORM;
mei_amthif_run_next_cmd(dev);
}
- mutex_unlock(&dev->device_lock);
return mask;
}
int mei_amthif_irq_write(struct mei_cl *cl, struct mei_cl_cb *cb,
struct mei_cl_cb *cmpl_list)
{
- struct mei_device *dev = cl->dev;
- struct mei_msg_hdr mei_hdr;
- size_t len = dev->iamthif_msg_buf_size - dev->iamthif_msg_buf_index;
- u32 msg_slots = mei_data2slots(len);
- int slots;
- int rets;
-
- rets = mei_cl_flow_ctrl_creds(cl);
- if (rets < 0)
- return rets;
-
- if (rets == 0) {
- cl_dbg(dev, cl, "No flow control credentials: not sending.\n");
- return 0;
- }
-
- mei_hdr.host_addr = cl->host_client_id;
- mei_hdr.me_addr = cl->me_client_id;
- mei_hdr.reserved = 0;
- mei_hdr.internal = 0;
-
- slots = mei_hbuf_empty_slots(dev);
-
- if (slots >= msg_slots) {
- mei_hdr.length = len;
- mei_hdr.msg_complete = 1;
- /* Split the message only if we can write the whole host buffer */
- } else if (slots == dev->hbuf_depth) {
- msg_slots = slots;
- len = (slots * sizeof(u32)) - sizeof(struct mei_msg_hdr);
- mei_hdr.length = len;
- mei_hdr.msg_complete = 0;
- } else {
- /* wait for next time the host buffer is empty */
- return 0;
- }
-
- dev_dbg(dev->dev, MEI_HDR_FMT, MEI_HDR_PRM(&mei_hdr));
-
- rets = mei_write_message(dev, &mei_hdr,
- dev->iamthif_msg_buf + dev->iamthif_msg_buf_index);
- if (rets) {
- dev->iamthif_state = MEI_IAMTHIF_IDLE;
- cl->status = rets;
- list_del(&cb->list);
- return rets;
- }
-
- if (mei_cl_flow_ctrl_reduce(cl))
- return -EIO;
-
- dev->iamthif_msg_buf_index += mei_hdr.length;
- cl->status = 0;
-
- if (mei_hdr.msg_complete) {
- dev->iamthif_state = MEI_IAMTHIF_FLOW_CONTROL;
- dev->iamthif_flow_control_pending = true;
-
- /* save iamthif cb sent to amthif client */
- cb->buf_idx = dev->iamthif_msg_buf_index;
- dev->iamthif_current_cb = cb;
+ int ret;
- list_move_tail(&cb->list, &dev->write_waiting_list.list);
- }
+ ret = mei_cl_irq_write(cl, cb, cmpl_list);
+ if (ret)
+ return ret;
+ if (cb->completed)
+ cb->status = mei_amthif_read_start(cl, cb->file_object);
return 0;
}
* mei_amthif_irq_read_msg - read routine after ISR to
* handle the read amthif message
*
- * @dev: the device structure
+ * @cl: mei client
* @mei_hdr: header of amthif message
- * @complete_list: An instance of our list structure
+ * @cmpl_list: completed callbacks list
*
- * Return: 0 on success, <0 on failure.
+ * Return: -ENODEV if cb is NULL 0 otherwise; error message is in cb->status
*/
- int mei_amthif_irq_read_msg(struct mei_device *dev,
+ int mei_amthif_irq_read_msg(struct mei_cl *cl,
struct mei_msg_hdr *mei_hdr,
- struct mei_cl_cb *complete_list)
+ struct mei_cl_cb *cmpl_list)
{
- struct mei_cl_cb *cb;
- unsigned char *buffer;
-
- BUG_ON(mei_hdr->me_addr != dev->iamthif_cl.me_client_id);
- BUG_ON(dev->iamthif_state != MEI_IAMTHIF_READING);
+ struct mei_device *dev;
+ int ret;
- buffer = dev->iamthif_msg_buf + dev->iamthif_msg_buf_index;
- BUG_ON(dev->iamthif_mtu < dev->iamthif_msg_buf_index + mei_hdr->length);
+ dev = cl->dev;
- mei_read_slots(dev, buffer, mei_hdr->length);
+ if (dev->iamthif_state != MEI_IAMTHIF_READING)
+ return 0;
- dev->iamthif_msg_buf_index += mei_hdr->length;
+ ret = mei_cl_irq_read_msg(cl, mei_hdr, cmpl_list);
+ if (ret)
+ return ret;
if (!mei_hdr->msg_complete)
return 0;
- dev_dbg(dev->dev, "amthif_message_buffer_index =%d\n",
- mei_hdr->length);
-
dev_dbg(dev->dev, "completed amthif read.\n ");
- if (!dev->iamthif_current_cb)
- return -ENODEV;
-
- cb = dev->iamthif_current_cb;
dev->iamthif_current_cb = NULL;
-
dev->iamthif_stall_timer = 0;
- cb->buf_idx = dev->iamthif_msg_buf_index;
- cb->read_time = jiffies;
- if (dev->iamthif_ioctl) {
- /* found the iamthif cb */
- dev_dbg(dev->dev, "complete the amthif read cb.\n ");
- dev_dbg(dev->dev, "add the amthif read cb to complete.\n ");
- list_add_tail(&cb->list, &complete_list->list);
- }
- return 0;
- }
- /**
- * mei_amthif_irq_read - prepares to read amthif data.
- *
- * @dev: the device structure.
- * @slots: free slots.
- *
- * Return: 0, OK; otherwise, error.
- */
- int mei_amthif_irq_read(struct mei_device *dev, s32 *slots)
- {
- u32 msg_slots = mei_data2slots(sizeof(struct hbm_flow_control));
-
- if (*slots < msg_slots)
- return -EMSGSIZE;
-
- *slots -= msg_slots;
-
- if (mei_hbm_cl_flow_control_req(dev, &dev->iamthif_cl)) {
- dev_dbg(dev->dev, "iamthif flow control failed\n");
- return -EIO;
- }
-
- dev_dbg(dev->dev, "iamthif flow control success\n");
- dev->iamthif_state = MEI_IAMTHIF_READING;
- dev->iamthif_flow_control_pending = false;
- dev->iamthif_msg_buf_index = 0;
- dev->iamthif_msg_buf_size = 0;
- dev->iamthif_stall_timer = MEI_IAMTHIF_STALL_TIMER;
- dev->hbuf_is_ready = mei_hbuf_is_ready(dev);
return 0;
}
*/
void mei_amthif_complete(struct mei_device *dev, struct mei_cl_cb *cb)
{
+
+ if (cb->fop_type == MEI_FOP_WRITE) {
+ if (!cb->status) {
+ dev->iamthif_stall_timer = MEI_IAMTHIF_STALL_TIMER;
+ mei_io_cb_free(cb);
+ return;
+ }
+ /*
+ * in case of error enqueue the write cb to complete read list
+ * so it can be propagated to the reader
+ */
+ list_add_tail(&cb->list, &dev->amthif_rd_complete_list.list);
+ wake_up_interruptible(&dev->iamthif_cl.wait);
+ return;
+ }
+
if (dev->iamthif_canceled != 1) {
dev->iamthif_state = MEI_IAMTHIF_READ_COMPLETE;
dev->iamthif_stall_timer = 0;
- memcpy(cb->response_buffer.data,
- dev->iamthif_msg_buf,
- dev->iamthif_msg_buf_index);
list_add_tail(&cb->list, &dev->amthif_rd_complete_list.list);
dev_dbg(dev->dev, "amthif read completed\n");
dev->iamthif_timer = jiffies;
dev_dbg(dev->dev, "dev->iamthif_timer = %ld\n",
- dev->iamthif_timer);
+ dev->iamthif_timer);
} else {
mei_amthif_run_next_cmd(dev);
}
static bool mei_clear_list(struct mei_device *dev,
const struct file *file, struct list_head *mei_cb_list)
{
- struct mei_cl_cb *cb_pos = NULL;
- struct mei_cl_cb *cb_next = NULL;
+ struct mei_cl *cl = &dev->iamthif_cl;
+ struct mei_cl_cb *cb, *next;
bool removed = false;
/* list all list member */
- list_for_each_entry_safe(cb_pos, cb_next, mei_cb_list, list) {
+ list_for_each_entry_safe(cb, next, mei_cb_list, list) {
/* check if list member associated with a file */
- if (file == cb_pos->file_object) {
- /* remove member from the list */
- list_del(&cb_pos->list);
+ if (file == cb->file_object) {
/* check if cb equal to current iamthif cb */
- if (dev->iamthif_current_cb == cb_pos) {
+ if (dev->iamthif_current_cb == cb) {
dev->iamthif_current_cb = NULL;
/* send flow control to iamthif client */
- mei_hbm_cl_flow_control_req(dev,
- &dev->iamthif_cl);
+ mei_hbm_cl_flow_control_req(dev, cl);
}
/* free all allocated buffers */
- mei_io_cb_free(cb_pos);
- cb_pos = NULL;
+ mei_io_cb_free(cb);
removed = true;
}
}
#include <linux/errno.h>
#include <linux/types.h>
#include <linux/fcntl.h>
-#include <linux/aio.h>
#include <linux/poll.h>
#include <linux/init.h>
#include <linux/ioctl.h>
mutex_lock(&dev->device_lock);
- cl = NULL;
-
- err = -ENODEV;
if (dev->dev_state != MEI_DEV_ENABLED) {
dev_dbg(dev->dev, "dev_state != MEI_ENABLED dev_state = %s\n",
mei_dev_state_str(dev->dev_state));
+ err = -ENODEV;
goto err_unlock;
}
- err = -ENOMEM;
- cl = mei_cl_allocate(dev);
- if (!cl)
- goto err_unlock;
-
- /* open_handle_count check is handled in the mei_cl_link */
- err = mei_cl_link(cl, MEI_HOST_CLIENT_ID_ANY);
- if (err)
+ cl = mei_cl_alloc_linked(dev, MEI_HOST_CLIENT_ID_ANY);
+ if (IS_ERR(cl)) {
+ err = PTR_ERR(cl);
goto err_unlock;
+ }
file->private_data = cl;
err_unlock:
mutex_unlock(&dev->device_lock);
- kfree(cl);
return err;
}
static int mei_release(struct inode *inode, struct file *file)
{
struct mei_cl *cl = file->private_data;
- struct mei_cl_cb *cb;
struct mei_device *dev;
int rets = 0;
rets = mei_amthif_release(dev, file);
goto out;
}
- if (cl->state == MEI_FILE_CONNECTED) {
+ if (mei_cl_is_connected(cl)) {
cl->state = MEI_FILE_DISCONNECTING;
cl_dbg(dev, cl, "disconnecting\n");
rets = mei_cl_disconnect(cl);
}
- mei_cl_flush_queues(cl);
+ mei_cl_flush_queues(cl, file);
cl_dbg(dev, cl, "removing\n");
mei_cl_unlink(cl);
-
- /* free read cb */
- cb = NULL;
- if (cl->read_cb) {
- cb = mei_cl_find_read_cb(cl);
- /* Remove entry from read list */
- if (cb)
- list_del(&cb->list);
-
- cb = cl->read_cb;
- cl->read_cb = NULL;
- }
-
file->private_data = NULL;
- mei_io_cb_free(cb);
-
kfree(cl);
out:
mutex_unlock(&dev->device_lock);
size_t length, loff_t *offset)
{
struct mei_cl *cl = file->private_data;
- struct mei_cl_cb *cb_pos = NULL;
- struct mei_cl_cb *cb = NULL;
struct mei_device *dev;
+ struct mei_cl_cb *cb = NULL;
int rets;
int err;
goto out;
}
- if (cl->read_cb) {
- cb = cl->read_cb;
+ cb = mei_cl_read_cb(cl, file);
+ if (cb) {
/* read what left */
if (cb->buf_idx > *offset)
goto copy_buffer;
*offset = 0;
}
- err = mei_cl_read_start(cl, length);
+ err = mei_cl_read_start(cl, length, file);
if (err && err != -EBUSY) {
dev_dbg(dev->dev,
"mei start read failure with status = %d\n", err);
goto out;
}
- if (MEI_READ_COMPLETE != cl->reading_state &&
- !waitqueue_active(&cl->rx_wait)) {
+ if (list_empty(&cl->rd_completed) && !waitqueue_active(&cl->rx_wait)) {
if (file->f_flags & O_NONBLOCK) {
rets = -EAGAIN;
goto out;
mutex_unlock(&dev->device_lock);
if (wait_event_interruptible(cl->rx_wait,
- MEI_READ_COMPLETE == cl->reading_state ||
- mei_cl_is_transitioning(cl))) {
+ (!list_empty(&cl->rd_completed)) ||
+ (!mei_cl_is_connected(cl)))) {
if (signal_pending(current))
return -EINTR;
}
mutex_lock(&dev->device_lock);
- if (mei_cl_is_transitioning(cl)) {
+ if (!mei_cl_is_connected(cl)) {
rets = -EBUSY;
goto out;
}
}
- cb = cl->read_cb;
-
+ cb = mei_cl_read_cb(cl, file);
if (!cb) {
- rets = -ENODEV;
- goto out;
- }
- if (cl->reading_state != MEI_READ_COMPLETE) {
rets = 0;
goto out;
}
- /* now copy the data to user space */
+
copy_buffer:
+ /* now copy the data to user space */
+ if (cb->status) {
+ rets = cb->status;
+ dev_dbg(dev->dev, "read operation failed %d\n", rets);
+ goto free;
+ }
+
dev_dbg(dev->dev, "buf.size = %d buf.idx= %ld\n",
- cb->response_buffer.size, cb->buf_idx);
+ cb->buf.size, cb->buf_idx);
if (length == 0 || ubuf == NULL || *offset > cb->buf_idx) {
rets = -EMSGSIZE;
goto free;
* however buf_idx may point beyond that */
length = min_t(size_t, length, cb->buf_idx - *offset);
- if (copy_to_user(ubuf, cb->response_buffer.data + *offset, length)) {
+ if (copy_to_user(ubuf, cb->buf.data + *offset, length)) {
dev_dbg(dev->dev, "failed to copy data to userland\n");
rets = -EFAULT;
goto free;
goto out;
free:
- cb_pos = mei_cl_find_read_cb(cl);
- /* Remove entry from read list */
- if (cb_pos)
- list_del(&cb_pos->list);
mei_io_cb_free(cb);
- cl->reading_state = MEI_IDLE;
- cl->read_cb = NULL;
+
out:
dev_dbg(dev->dev, "end mei read rets= %d\n", rets);
mutex_unlock(&dev->device_lock);
goto out;
}
- if (cl->state != MEI_FILE_CONNECTED) {
- dev_err(dev->dev, "host client = %d, is not connected to ME client = %d",
- cl->host_client_id, cl->me_client_id);
+ if (!mei_cl_is_connected(cl)) {
+ cl_err(dev, cl, "is not connected");
rets = -ENODEV;
goto out;
}
timeout = write_cb->read_time +
mei_secs_to_jiffies(MEI_IAMTHIF_READ_TIMER);
- if (time_after(jiffies, timeout) ||
- cl->reading_state == MEI_READ_COMPLETE) {
+ if (time_after(jiffies, timeout)) {
*offset = 0;
- list_del(&write_cb->list);
mei_io_cb_free(write_cb);
write_cb = NULL;
}
}
}
- /* free entry used in read */
- if (cl->reading_state == MEI_READ_COMPLETE) {
- *offset = 0;
- write_cb = mei_cl_find_read_cb(cl);
- if (write_cb) {
- list_del(&write_cb->list);
- mei_io_cb_free(write_cb);
- write_cb = NULL;
- cl->reading_state = MEI_IDLE;
- cl->read_cb = NULL;
- }
- } else if (cl->reading_state == MEI_IDLE)
- *offset = 0;
-
-
- write_cb = mei_io_cb_init(cl, file);
+ *offset = 0;
+ write_cb = mei_cl_alloc_cb(cl, length, MEI_FOP_WRITE, file);
if (!write_cb) {
rets = -ENOMEM;
goto out;
}
- rets = mei_io_cb_alloc_req_buf(write_cb, length);
- if (rets)
- goto out;
- rets = copy_from_user(write_cb->request_buffer.data, ubuf, length);
+ rets = copy_from_user(write_cb->buf.data, ubuf, length);
if (rets) {
dev_dbg(dev->dev, "failed to copy data from userland\n");
rets = -EFAULT;
}
if (cl == &dev->iamthif_cl) {
- rets = mei_amthif_write(dev, write_cb);
+ rets = mei_amthif_write(cl, write_cb);
if (rets) {
dev_err(dev->dev,
*/
if (uuid_le_cmp(data->in_client_uuid, mei_amthif_guid) == 0) {
dev_dbg(dev->dev, "FW Client is amthi\n");
- if (dev->iamthif_cl.state != MEI_FILE_CONNECTED) {
+ if (!mei_cl_is_connected(&dev->iamthif_cl)) {
rets = -ENODEV;
goto end;
}
*/
static unsigned int mei_poll(struct file *file, poll_table *wait)
{
+ unsigned long req_events = poll_requested_events(wait);
struct mei_cl *cl = file->private_data;
struct mei_device *dev;
unsigned int mask = 0;
mutex_lock(&dev->device_lock);
- if (!mei_cl_is_connected(cl)) {
+
+ if (dev->dev_state != MEI_DEV_ENABLED ||
+ !mei_cl_is_connected(cl)) {
mask = POLLERR;
goto out;
}
- mutex_unlock(&dev->device_lock);
-
-
- if (cl == &dev->iamthif_cl)
- return mei_amthif_poll(dev, file, wait);
-
- poll_wait(file, &cl->tx_wait, wait);
-
- mutex_lock(&dev->device_lock);
-
- if (!mei_cl_is_connected(cl)) {
- mask = POLLERR;
+ if (cl == &dev->iamthif_cl) {
+ mask = mei_amthif_poll(dev, file, wait);
goto out;
}
- mask |= (POLLIN | POLLRDNORM);
+ if (req_events & (POLLIN | POLLRDNORM)) {
+ poll_wait(file, &cl->rx_wait, wait);
+
+ if (!list_empty(&cl->rd_completed))
+ mask |= POLLIN | POLLRDNORM;
+ else
+ mei_cl_read_start(cl, 0, file);
+ }
out:
mutex_unlock(&dev->device_lock);
#include <linux/errno.h>
#include <linux/types.h>
#include <linux/fcntl.h>
-#include <linux/aio.h>
#include <linux/pci.h>
#include <linux/poll.h>
#include <linux/ioctl.h>
mutex_lock(&dev->device_lock);
if (mei_write_is_idle(dev))
- ret = mei_me_pg_set_sync(dev);
+ ret = mei_me_pg_enter_sync(dev);
else
ret = -EAGAIN;
mutex_lock(&dev->device_lock);
- ret = mei_me_pg_unset_sync(dev);
+ ret = mei_me_pg_exit_sync(dev);
mutex_unlock(&dev->device_lock);
WM5102 = 1,
WM5110 = 2,
WM8997 = 3,
+ WM8280 = 4,
};
#define ARIZONA_IRQ_GP1 0
struct regmap_irq_chip_data *aod_irq_chip;
struct regmap_irq_chip_data *irq_chip;
- bool hpdet_magic;
+ bool hpdet_clamp;
unsigned int hp_ena;
struct mutex clk_lock;
}
EXPORT_SYMBOL_GPL(clockevent_delta2ns);
+static int __clockevents_set_state(struct clock_event_device *dev,
+ enum clock_event_state state)
+{
+ /* Transition with legacy set_mode() callback */
+ if (dev->set_mode) {
+ /* Legacy callback doesn't support new modes */
+ if (state > CLOCK_EVT_STATE_ONESHOT)
+ return -ENOSYS;
+ /*
+ * 'clock_event_state' and 'clock_event_mode' have 1-to-1
+ * mapping until *_ONESHOT, and so a simple cast will work.
+ */
+ dev->set_mode((enum clock_event_mode)state, dev);
+ dev->mode = (enum clock_event_mode)state;
+ return 0;
+ }
+
+ if (dev->features & CLOCK_EVT_FEAT_DUMMY)
+ return 0;
+
+ /* Transition with new state-specific callbacks */
+ switch (state) {
+ case CLOCK_EVT_STATE_DETACHED:
+ /*
+ * This is an internal state, which is guaranteed to go from
+ * SHUTDOWN to DETACHED. No driver interaction required.
+ */
+ return 0;
+
+ case CLOCK_EVT_STATE_SHUTDOWN:
+ return dev->set_state_shutdown(dev);
+
+ case CLOCK_EVT_STATE_PERIODIC:
+ /* Core internal bug */
+ if (!(dev->features & CLOCK_EVT_FEAT_PERIODIC))
+ return -ENOSYS;
+ return dev->set_state_periodic(dev);
+
+ case CLOCK_EVT_STATE_ONESHOT:
+ /* Core internal bug */
+ if (!(dev->features & CLOCK_EVT_FEAT_ONESHOT))
+ return -ENOSYS;
+ return dev->set_state_oneshot(dev);
+
+ default:
+ return -ENOSYS;
+ }
+}
+
/**
- * clockevents_set_mode - set the operating mode of a clock event device
+ * clockevents_set_state - set the operating state of a clock event device
* @dev: device to modify
- * @mode: new mode
+ * @state: new state
*
* Must be called with interrupts disabled !
*/
-void clockevents_set_mode(struct clock_event_device *dev,
- enum clock_event_mode mode)
+void clockevents_set_state(struct clock_event_device *dev,
+ enum clock_event_state state)
{
- if (dev->mode != mode) {
- dev->set_mode(mode, dev);
- dev->mode = mode;
+ if (dev->state != state) {
+ if (__clockevents_set_state(dev, state))
+ return;
+
+ dev->state = state;
/*
* A nsec2cyc multiplicator of 0 is invalid and we'd crash
* on it, so fix it up and emit a warning:
*/
- if (mode == CLOCK_EVT_MODE_ONESHOT) {
+ if (state == CLOCK_EVT_STATE_ONESHOT) {
if (unlikely(!dev->mult)) {
dev->mult = 1;
WARN_ON(1);
*/
void clockevents_shutdown(struct clock_event_device *dev)
{
- clockevents_set_mode(dev, CLOCK_EVT_MODE_SHUTDOWN);
+ clockevents_set_state(dev, CLOCK_EVT_STATE_SHUTDOWN);
dev->next_event.tv64 = KTIME_MAX;
}
+/**
+ * clockevents_tick_resume - Resume the tick device before using it again
+ * @dev: device to resume
+ */
+int clockevents_tick_resume(struct clock_event_device *dev)
+{
+ int ret = 0;
+
+ if (dev->set_mode) {
+ dev->set_mode(CLOCK_EVT_MODE_RESUME, dev);
+ dev->mode = CLOCK_EVT_MODE_RESUME;
+ } else if (dev->tick_resume) {
+ ret = dev->tick_resume(dev);
+ }
+
+ return ret;
+}
+
#ifdef CONFIG_GENERIC_CLOCKEVENTS_MIN_ADJUST
/* Limit min_delta to a jiffie */
delta = dev->min_delta_ns;
dev->next_event = ktime_add_ns(ktime_get(), delta);
- if (dev->mode == CLOCK_EVT_MODE_SHUTDOWN)
+ if (dev->state == CLOCK_EVT_STATE_SHUTDOWN)
return 0;
dev->retries++;
delta = dev->min_delta_ns;
dev->next_event = ktime_add_ns(ktime_get(), delta);
- if (dev->mode == CLOCK_EVT_MODE_SHUTDOWN)
+ if (dev->state == CLOCK_EVT_STATE_SHUTDOWN)
return 0;
dev->retries++;
dev->next_event = expires;
- if (dev->mode == CLOCK_EVT_MODE_SHUTDOWN)
+ if (dev->state == CLOCK_EVT_STATE_SHUTDOWN)
return 0;
/* Shortcut for clockevent devices that can deal with ktime. */
struct clock_event_device *dev, *newdev = NULL;
list_for_each_entry(dev, &clockevent_devices, list) {
- if (dev == ced || dev->mode != CLOCK_EVT_MODE_UNUSED)
+ if (dev == ced || dev->state != CLOCK_EVT_STATE_DETACHED)
continue;
if (!tick_check_replacement(newdev, dev))
static int __clockevents_try_unbind(struct clock_event_device *ced, int cpu)
{
/* Fast track. Device is unused */
- if (ced->mode == CLOCK_EVT_MODE_UNUSED) {
+ if (ced->state == CLOCK_EVT_STATE_DETACHED) {
list_del_init(&ced->list);
return 0;
}
mutex_unlock(&clockevents_mutex);
return ret;
}
- EXPORT_SYMBOL_GPL(clockevents_unbind);
+ EXPORT_SYMBOL_GPL(clockevents_unbind_device);
+/* Sanity check of state transition callbacks */
+static int clockevents_sanity_check(struct clock_event_device *dev)
+{
+ /* Legacy set_mode() callback */
+ if (dev->set_mode) {
+ /* We shouldn't be supporting new modes now */
+ WARN_ON(dev->set_state_periodic || dev->set_state_oneshot ||
+ dev->set_state_shutdown || dev->tick_resume);
+
+ BUG_ON(dev->mode != CLOCK_EVT_MODE_UNUSED);
+ return 0;
+ }
+
+ if (dev->features & CLOCK_EVT_FEAT_DUMMY)
+ return 0;
+
+ /* New state-specific callbacks */
+ if (!dev->set_state_shutdown)
+ return -EINVAL;
+
+ if ((dev->features & CLOCK_EVT_FEAT_PERIODIC) &&
+ !dev->set_state_periodic)
+ return -EINVAL;
+
+ if ((dev->features & CLOCK_EVT_FEAT_ONESHOT) &&
+ !dev->set_state_oneshot)
+ return -EINVAL;
+
+ return 0;
+}
+
/**
* clockevents_register_device - register a clock event device
* @dev: device to register
{
unsigned long flags;
- BUG_ON(dev->mode != CLOCK_EVT_MODE_UNUSED);
+ BUG_ON(clockevents_sanity_check(dev));
+
+ /* Initialize state to DETACHED */
+ dev->state = CLOCK_EVT_STATE_DETACHED;
+
if (!dev->cpumask) {
WARN_ON(num_possible_cpus() > 1);
dev->cpumask = cpumask_of(smp_processor_id());
{
clockevents_config(dev, freq);
- if (dev->mode == CLOCK_EVT_MODE_ONESHOT)
+ if (dev->state == CLOCK_EVT_STATE_ONESHOT)
return clockevents_program_event(dev, dev->next_event, false);
- if (dev->mode == CLOCK_EVT_MODE_PERIODIC)
- dev->set_mode(CLOCK_EVT_MODE_PERIODIC, dev);
+ if (dev->state == CLOCK_EVT_STATE_PERIODIC)
+ return __clockevents_set_state(dev, CLOCK_EVT_STATE_PERIODIC);
return 0;
}
* @old: device to release (can be NULL)
* @new: device to request (can be NULL)
*
- * Called from the notifier chain. clockevents_lock is held already
+ * Called from various tick functions with clockevents_lock held and
+ * interrupts disabled.
*/
void clockevents_exchange_device(struct clock_event_device *old,
struct clock_event_device *new)
{
- unsigned long flags;
-
- local_irq_save(flags);
/*
* Caller releases a clock event device. We queue it into the
* released list and do a notify add later.
*/
if (old) {
module_put(old->owner);
- clockevents_set_mode(old, CLOCK_EVT_MODE_UNUSED);
+ clockevents_set_state(old, CLOCK_EVT_STATE_DETACHED);
list_del(&old->list);
list_add(&old->list, &clockevents_released);
}
if (new) {
- BUG_ON(new->mode != CLOCK_EVT_MODE_UNUSED);
+ BUG_ON(new->state != CLOCK_EVT_STATE_DETACHED);
clockevents_shutdown(new);
}
- local_irq_restore(flags);
}
/**
dev->resume(dev);
}
-#ifdef CONFIG_GENERIC_CLOCKEVENTS
+#ifdef CONFIG_HOTPLUG_CPU
/**
- * clockevents_notify - notification about relevant events
- * Returns 0 on success, any other value on error
+ * tick_cleanup_dead_cpu - Cleanup the tick and clockevents of a dead cpu
*/
-int clockevents_notify(unsigned long reason, void *arg)
+void tick_cleanup_dead_cpu(int cpu)
{
struct clock_event_device *dev, *tmp;
unsigned long flags;
- int cpu, ret = 0;
raw_spin_lock_irqsave(&clockevents_lock, flags);
- switch (reason) {
- case CLOCK_EVT_NOTIFY_BROADCAST_ON:
- case CLOCK_EVT_NOTIFY_BROADCAST_OFF:
- case CLOCK_EVT_NOTIFY_BROADCAST_FORCE:
- tick_broadcast_on_off(reason, arg);
- break;
-
- case CLOCK_EVT_NOTIFY_BROADCAST_ENTER:
- case CLOCK_EVT_NOTIFY_BROADCAST_EXIT:
- ret = tick_broadcast_oneshot_control(reason);
- break;
-
- case CLOCK_EVT_NOTIFY_CPU_DYING:
- tick_handover_do_timer(arg);
- break;
-
- case CLOCK_EVT_NOTIFY_SUSPEND:
- tick_suspend();
- tick_suspend_broadcast();
- break;
-
- case CLOCK_EVT_NOTIFY_RESUME:
- tick_resume();
- break;
-
- case CLOCK_EVT_NOTIFY_CPU_DEAD:
- tick_shutdown_broadcast_oneshot(arg);
- tick_shutdown_broadcast(arg);
- tick_shutdown(arg);
- /*
- * Unregister the clock event devices which were
- * released from the users in the notify chain.
- */
- list_for_each_entry_safe(dev, tmp, &clockevents_released, list)
+ tick_shutdown_broadcast_oneshot(cpu);
+ tick_shutdown_broadcast(cpu);
+ tick_shutdown(cpu);
+ /*
+ * Unregister the clock event devices which were
+ * released from the users in the notify chain.
+ */
+ list_for_each_entry_safe(dev, tmp, &clockevents_released, list)
+ list_del(&dev->list);
+ /*
+ * Now check whether the CPU has left unused per cpu devices
+ */
+ list_for_each_entry_safe(dev, tmp, &clockevent_devices, list) {
+ if (cpumask_test_cpu(cpu, dev->cpumask) &&
+ cpumask_weight(dev->cpumask) == 1 &&
+ !tick_is_broadcast_device(dev)) {
+ BUG_ON(dev->state != CLOCK_EVT_STATE_DETACHED);
list_del(&dev->list);
- /*
- * Now check whether the CPU has left unused per cpu devices
- */
- cpu = *((int *)arg);
- list_for_each_entry_safe(dev, tmp, &clockevent_devices, list) {
- if (cpumask_test_cpu(cpu, dev->cpumask) &&
- cpumask_weight(dev->cpumask) == 1 &&
- !tick_is_broadcast_device(dev)) {
- BUG_ON(dev->mode != CLOCK_EVT_MODE_UNUSED);
- list_del(&dev->list);
- }
}
- break;
- default:
- break;
}
raw_spin_unlock_irqrestore(&clockevents_lock, flags);
- return ret;
}
-EXPORT_SYMBOL_GPL(clockevents_notify);
+#endif
#ifdef CONFIG_SYSFS
struct bus_type clockevents_subsys = {
}
device_initcall(clockevents_init_sysfs);
#endif /* SYSFS */
-
-#endif /* GENERIC_CLOCK_EVENTS */
#include <sound/tlv.h>
#include <linux/mfd/arizona/core.h>
-#include <linux/mfd/arizona/gpio.h>
#include <linux/mfd/arizona/registers.h>
#include "arizona.h"
switch (arizona->type) {
case WM5110:
+ case WM8280:
snd_soc_dapm_disable_pin(&codec->dapm, "DRC2 Signal Activity");
break;
default:
priv->arizona->hp_ena &= ~mask;
priv->arizona->hp_ena |= val;
- /* Force off if HPDET magic is active */
- if (priv->arizona->hpdet_magic)
+ /* Force off if HPDET clamp is active */
+ if (priv->arizona->hpdet_clamp)
val = 0;
regmap_update_bits_async(arizona->regmap, ARIZONA_OUTPUT_ENABLES_1,
switch (fll->arizona->type) {
case WM5110:
+ case WM8280:
if (fll->arizona->rev < 3 || sync)
return init_ratio;
break;
static int arizona_enable_fll(struct arizona_fll *fll)
{
struct arizona *arizona = fll->arizona;
- int ret;
+ unsigned long time_left;
bool use_sync = false;
int already_enabled = arizona_is_enabled_fll(fll);
struct arizona_fll_cfg cfg;
regmap_update_bits_async(arizona->regmap, fll->base + 1,
ARIZONA_FLL1_FREERUN, 0);
- ret = wait_for_completion_timeout(&fll->ok,
+ time_left = wait_for_completion_timeout(&fll->ok,
msecs_to_jiffies(250));
- if (ret == 0)
+ if (time_left == 0)
arizona_fll_warn(fll, "Timed out waiting for lock\n");
return 0;
projects / karo-tx-linux.git / commitdiff