Commit Graph

376096 Commits

Author SHA1 Message Date
Paolo Bonzini 8acb42070e KVM: fix sil/dil/bpl/spl in the mod/rm fields
The x86-64 extended low-byte registers were fetched correctly from reg,
but not from mod/rm.

This fixes another bug in the boot of RHEL5.9 64-bit, but it is still
not enough.

Cc: <stable@vger.kernel.org> # 3.9
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Gleb Natapov <gleb@redhat.com>
2013-06-03 11:27:12 +03:00
Paolo Bonzini 103f98ea64 KVM: Emulate multibyte NOP
This is encountered when booting RHEL5.9 64-bit.  There is another bug
after this one that is not a simple emulation failure, but this one lets
the boot proceed a bit.

Cc: <stable@vger.kernel.org> # 3.9
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Gleb Natapov <gleb@redhat.com>
2013-06-03 11:20:53 +03:00
Marc Zyngier d4cb9df5d1 ARM: KVM: be more thorough when invalidating TLBs
The KVM/ARM MMU code doesn't take care of invalidating TLBs before
freeing a {pte,pmd} table. This could cause problems if the page
is reallocated and then speculated into by another CPU.

Reported-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Christoffer Dall <cdall@cs.columbia.edu>
2013-06-03 10:58:56 +03:00
Andre Przywara e8180dcaa8 ARM: KVM: prevent NULL pointer dereferences with KVM VCPU ioctl
Some ARM KVM VCPU ioctls require the vCPU to be properly initialized
with the KVM_ARM_VCPU_INIT ioctl before being used with further
requests. KVM_RUN checks whether this initialization has been
done, but other ioctls do not.
Namely KVM_GET_REG_LIST will dereference an array with index -1
without initialization and thus leads to a kernel oops.
Fix this by adding checks before executing the ioctl handlers.

 [ Removed superflous comment from static function - Christoffer ]

Changes from v1:
 * moved check into a static function with a meaningful name

Signed-off-by: Andre Przywara <andre.przywara@linaro.org>
Signed-off-by: Christoffer Dall <cdall@cs.columbia.edu>
2013-06-03 10:58:56 +03:00
David Daney ed829857b3 mips/kvm: Use ENOIOCTLCMD to indicate unimplemented ioctls.
The Linux Way is to return -ENOIOCTLCMD to the vfs when an
unimplemented ioctl is requested.  Do this in kvm_mips instead of a
random mixture of -ENOTSUPP and -EINVAL.

Signed-off-by: David Daney <david.daney@cavium.com>
Acked-by: Sanjay Lal <sanjayl@kymasys.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2013-06-03 10:58:55 +03:00
David Daney 4c73fb2b05 mips/kvm: Fix ABI by moving manipulation of CP0 registers to KVM_{G,S}ET_ONE_REG
Because not all 256 CP0 registers are ever implemented, we need a
different method of manipulating them.  Use the
KVM_SET_ONE_REG/KVM_GET_ONE_REG mechanism.

Now unused code and definitions are removed.

Signed-off-by: David Daney <david.daney@cavium.com>
Acked-by: Sanjay Lal <sanjayl@kymasys.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2013-06-03 10:58:54 +03:00
David Daney 8d17dd041a mips/kvm: Use ARRAY_SIZE() instead of hardcoded constants in kvm_arch_vcpu_ioctl_{s,g}et_regs
Also we cannot set special zero register, so force it to zero.

Signed-off-by: David Daney <david.daney@cavium.com>
Acked-by: Sanjay Lal <sanjayl@kymasys.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2013-06-03 10:58:53 +03:00
David Daney bf32ebf66d mips/kvm: Fix name of gpr field in struct kvm_regs.
Signed-off-by: David Daney <david.daney@cavium.com>
Acked-by: Sanjay Lal <sanjayl@kymasys.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2013-06-03 10:58:53 +03:00
David Daney 688cded320 mips/kvm: Fix ABI for use of 64-bit registers.
All registers are 64-bits wide, 32-bit guests use the least
significant portion of the register storage fields.

Signed-off-by: David Daney <david.daney@cavium.com>
Acked-by: Sanjay Lal <sanjayl@kymasys.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2013-06-03 10:58:52 +03:00
David Daney 1f3dc6d764 mips/kvm: Fix ABI for use of FPU.
Define a non-empty struct kvm_fpu.

Signed-off-by: David Daney <david.daney@cavium.com>
Acked-by: Sanjay Lal <sanjayl@kymasys.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2013-06-03 10:58:50 +03:00
Linus Torvalds 514e250f67 GPIO fixes for the v3.10 series:
- An OMAP fix that makes ethernet work again.
 - Fix for build problem when building the MCP23S08 driver
   as module.
 - IRQ conflicts in the Langwell driver.
 - Fix IRQ coherency issues in the MXS driver.
 - Return correct errorcode on errorpath when removing
   GPIO chips.
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Merge tag 'gpio-fixes-v3.10-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio

Pull GPIO fixes from Linus Walleij:
 - An OMAP fix that makes ethernet work again.
 - Fix for build problem when building the MCP23S08 driver as module.
 - IRQ conflicts in the Langwell driver.
 - Fix IRQ coherency issues in the MXS driver.
 - Return correct errorcode on errorpath when removing GPIO chips.

* tag 'gpio-fixes-v3.10-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio:
  gpio: Don't override the error code in probe error handling
  gpio: mxs: Use set and clear capabilities of the gpio controller
  gpio-langwell: fix irq conflicts when DT is not used
  gpio: mcp23s08: Fix build error when CONFIG_SPI_MASTER=y && CONFIG_I2C=m
  gpio/omap: ensure gpio context is initialised
2013-05-23 18:24:10 -07:00
Linus Torvalds b91fd4d5aa PCI updates for v3.10:
Moorestown
       Revert "x86/pci/mrst: Use configuration mechanism 1 for 00:00.0, 00:02.0, 00:03.0"
   Hotplug
       PCI: acpiphp: Re-enumerate devices when host bridge receives Bus Check
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Merge tag 'pci-v3.10-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci

Pull PCI updates from Bjorn Helgaas:
 "Here are some more fixes for v3.10.  The Moorestown update broke Intel
  Medfield devices, so I reverted it.  The acpiphp change fixes a
  regression: we broke hotplug notifications to host bridges when we
  split acpiphp into the host-bridge related part and the
  endpoint-related part.

  Moorestown
      Revert "x86/pci/mrst: Use configuration mechanism 1 for 00:00.0, 00:02.0, 00:03.0"
  Hotplug
      PCI: acpiphp: Re-enumerate devices when host bridge receives Bus Check"

* tag 'pci-v3.10-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci:
  Revert "x86/pci/mrst: Use configuration mechanism 1 for 00:00.0, 00:02.0, 00:03.0"
  PCI: acpiphp: Re-enumerate devices when host bridge receives Bus Check
2013-05-23 13:50:53 -07:00
Linus Torvalds 4c0eec03b1 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input updates from Dmitry Torokhov:
 "A few fixups to Wacom and eGalax touchscreen driver"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
  Input: wacom - add an eraser to DTH2242/DTK2241
  Input: wacom - add a few new styli for Cintiq series
  Input: wacom - add three new display tablets
  Input: egalax_ts - ABS_MT_POSITION_Y not reported well
2013-05-23 13:50:03 -07:00
Linus Torvalds d979556257 tty/serial fixes for 3.10-rc2
Here are some tty / serial driver fixes for 3.10-rc2.
 
 Nothing huge, although the rocket driver fix looks large, it's just
 moving the code around to fix the reported build issues in it.  Other
 than that, this has the fix for the of-reported lockdep warning from the
 vt layer, as well as some other needed bugfixes.
 
 All of these have been in linux-next for a while.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'tty-3.10-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty

Pull tty/serial fixes from Greg Kroah-Hartman:
 "Here are some tty / serial driver fixes for 3.10-rc2.

  Nothing huge, although the rocket driver fix looks large, it's just
  moving the code around to fix the reported build issues in it.  Other
  than that, this has the fix for the of-reported lockdep warning from
  the vt layer, as well as some other needed bugfixes.

  All of these have been in linux-next for a while"

* tag 'tty-3.10-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty:
  tty: mxser: Fix build warning introduced by dfc7b837c7 (Re: linux-next: build warning after merge of the tty.current tree)
  tty: mxser: fix usage of opmode_ioaddr
  serial: 8250_dw: add ACPI ID for Intel BayTrail
  TTY: Fix tty miss restart after we turn off flow-control
  tty/vt: Fix vc_deallocate() lock order
  TTY: ehv_bytechan: add missing platform_driver_unregister() when module exit
  TTY: rocket, fix more no-PCI warnings
  serial: mcf: missing uart_unregister_driver() on error in mcf_init()
  tty: serial: mpc5xxx: fix error handing in mpc52xx_uart_init()
  serial: samsung: add missing platform_driver_unregister() when module exit
  serial: pl011: protect attribute read from NULL platform data struct
  tty: nwpserial: Pass correct pointer to free_irq()
  serial: 8250_dw: Add valid clk pointer check
2013-05-23 09:28:34 -07:00
Linus Torvalds 388c289697 Staging driver fixes for 3.10-rc2
Here are some staging tree driver fixes for 3.10-rc2
 
 The drivers/iio/ changes are here as they are still tied into
 drivers/staging/iio/.
 
 Nothing major, just a number of small bugfixes, and a larger documentation
 update for the ramster code.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'staging-3.10-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging

Pull staging driver fixes from Greg Kroah-Hartman:
 "Here are some staging tree driver fixes for 3.10-rc2

  The drivers/iio/ changes are here as they are still tied into
  drivers/staging/iio/.

  Nothing major, just a number of small bugfixes, and a larger
  documentation update for the ramster code."

* tag 'staging-3.10-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: (28 commits)
  staging: dwc2: remove compile warning for USB_DWC2_TRACK_MISSED_SOFS
  iio: exynos_adc: fix wrong structure extration in suspend and resume
  iio:common:st: added disable function after read info raw data
  iio: dac: Fix build error when CONFIG_SPI_MASTER=y && CONFIG_I2C=m
  staging:iio:light:tsl2x7x: fix the error handling in tsl2x7x_probe()
  staging/iio/mxs-lradc: fix preenable for multiple buffers
  staging: imx-drm: imx-tve: Check the return value of 'regulator_enable()'
  staging: video: imx: Select VIDEOMODE_HELPERS for parallel display
  staging: ramster: add how-to document
  staging: dwc2: Fix dma-enabled platform devices using a default dma_mask
  staging: vt6656: [bug] Fix missing spin lock in iwctl_siwpower.
  staging: Swap zram and zsmalloc in Kconfig
  staging: android: logger: use kuid_t instead of uid_t
  staging: zcache: Fix incorrect module_param_array types
  staging/solo6x10: depend on CONFIG_FONTS
  staging/drm: imx: add missing dependencies
  staging: ste_rmi4: Suppress 'ignoring return value of ‘regulator_enable()' warning
  staging: sep: fix driver build and kconfig
  staging: nvec: cleanup childs on remove
  staging: nvec: implement unregistering of notifiers
  ...
2013-05-23 09:27:49 -07:00
Linus Torvalds c7153d0643 Driver core fixes for 3.10-rc2
Here are 3 tiny driver core fixes for 3.10-rc2.
 
 A needed symbol export, a change to make it easier to track down
 offending sysfs files with incorrect attributes, and a klist bugfix.
 
 All have been in linux-next for a while.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'driver-core-3.10-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core

Pull driver core fixes from Greg Kroah-Hartman:
 "Here are 3 tiny driver core fixes for 3.10-rc2.

  A needed symbol export, a change to make it easier to track down
  offending sysfs files with incorrect attributes, and a klist bugfix.

  All have been in linux-next for a while"

* tag 'driver-core-3.10-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core:
  klist: del waiter from klist_remove_waiters before wakeup waitting process
  driver core: print sysfs attribute name when warning about bogus permissions
  driver core: export subsys_virtual_register
2013-05-23 09:27:08 -07:00
Linus Torvalds 5cc0c03823 char/misc driver fixes for 3.10-rc2
Here are some small char/misc driver fixes for 3.10-rc2.
 
 Nothing major here, just a number of fixes for things that people have
 reported, and a MAINTAINERS update for the recent changes for the hyperv
 files that went into 3.10-rc1.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-3.10-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc

Pull char/misc driver fixes from Greg Kroah-Hartman:
 "Here are some small char/misc driver fixes for 3.10-rc2.

  Nothing major here, just a number of fixes for things that people have
  reported, and a MAINTAINERS update for the recent changes for the
  hyperv files that went into 3.10-rc1."

* tag 'char-misc-3.10-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc:
  ttyprintk: Fix NULL pointer deref by setting tty_port ops after initializing port
  uio: UIO_DMEM_GENIRQ should depend on HAS_DMA
  MAINTAINERS: update Hyper-V file list
  mei: bus: Reset event_cb when disabling a device
  Drivers: hv: Fix a bug in get_vp_index()
  mei: fix out of array access to me clients array
  Char: lp, protect LPGETSTATUS with port_mutex
  dummy-irq: require the user to specify an IRQ number
2013-05-23 09:26:32 -07:00
Linus Torvalds b64194068b USB fixes for 3.10-rc2
Here are a number of tiny USB bugfixes / new device ids for 3.10-rc2
 
 The majority of these are USB gadget fixes, but they are all small.
 Other than that, some USB host controller fixes, and USB serial driver
 fixes for problems reported with them.
 
 Also hopefully a fixed up USB_OTG Kconfig dependancy, that one seems to
 be almost impossible to get right for all of the different platforms
 these days.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-3.10-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb

Pull USB fixes from Greg Kroah-Hartman:
 "Here are a number of tiny USB bugfixes / new device ids for 3.10-rc2

  The majority of these are USB gadget fixes, but they are all small.
  Other than that, some USB host controller fixes, and USB serial driver
  fixes for problems reported with them.

  Also hopefully a fixed up USB_OTG Kconfig dependancy, that one seems
  to be almost impossible to get right for all of the different
  platforms these days."

* tag 'usb-3.10-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (56 commits)
  USB: cxacru: potential underflow in cxacru_cm_get_array()
  USB: ftdi_sio: Add support for Newport CONEX motor drivers
  USB: option: add device IDs for Dell 5804 (Novatel E371) WWAN card
  usb: ohci: fix goto wrong tag in err case
  usb: isp1760-if: fix memleak when platform_get_resource fail
  usb: ehci-s5p: fix memleak when fallback to pdata
  USB: serial: clean up chars_in_buffer
  USB: ti_usb_3410_5052: fix chars_in_buffer overhead
  USB: io_ti: fix chars_in_buffer overhead
  USB: ftdi_sio: fix chars_in_buffer overhead
  USB: ftdi_sio: clean up get_modem_status
  USB: serial: add generic wait_until_sent implementation
  USB: serial: add wait_until_sent operation
  USB: set device dma_mask without reference to global data
  USB: Blacklisted Cinterion's PLxx WWAN Interface
  usb: option: Add Telewell TW-LTE 4G
  USB: EHCI: remove bogus #error
  USB: reset resume quirk needed by a hub
  USB: usb-stor: realtek_cr: Fix compile error
  usb, chipidea: fix link error when USB_EHCI_HCD is a module
  ...
2013-05-23 09:23:32 -07:00
Linus Torvalds 72dd4e7980 Merge git://git.kernel.org/pub/scm/virt/kvm/kvm
Pull kvm bugfixes from Gleb Natapov.

* git://git.kernel.org/pub/scm/virt/kvm/kvm:
  KVM/MIPS32: Wrap calls to gfn_to_pfn() with srcu_read_lock/unlock()
  KVM/MIPS32: Move include/asm/kvm.h => include/uapi/asm/kvm.h since it is a user visible API.
  KVM: take over co-maintainership from Marcelo, fix MAINTAINERS entry
2013-05-23 09:18:08 -07:00
Randy Dunlap b4d3ba3346 lib: make iovec obj instead of lib
Fix build error io vmw_vmci.ko when CONFIG_VMWARE_VMCI=m by chaning
iovec.o from lib-y to obj-y.

  ERROR: "memcpy_toiovec" [drivers/misc/vmw_vmci/vmw_vmci.ko] undefined!
  ERROR: "memcpy_fromiovec" [drivers/misc/vmw_vmci/vmw_vmci.ko] undefined!

Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Acked-by: Rusty Russell <rusty@rustcorp.com.au>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-05-23 09:17:11 -07:00
Ping Cheng c73a1afbe6 Input: wacom - add an eraser to DTH2242/DTK2241
plus send begin and end of express keys events for
Cintiq 13HD and DTH2242/DTK2241

Signed-off-by: Ping Cheng <pingc@wacom.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2013-05-23 09:01:28 -07:00
Linus Torvalds 101b82f56d Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/egtvedt/linux-avr32
Pull AVR32 update from Hans-Christian Egtvedt:
 "wow, it has gone 10 releases since my last request :("

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/egtvedt/linux-avr32:
  avr32: fix building warnings caused by redefinitions of HZ
  avr32: fix relocation check for signed 18-bit offset
  avr32: move NODES_SHIFT into Kconfig and delete numnodes.h
2013-05-22 18:06:57 -07:00
Linus Torvalds 3cb7a59fd8 Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus
Pull MIPS update from Ralf Baechle:
 - Fix a build error if <linux/printk.h> is included without
   <linux/linkage.h> having been included before.
 - Cleanup and fix the damage done by the generic idle loop patch.
 - A kprobes fix that brings the MIPS code in line with what other
   architectures are for quite a while already.
 - Wire up the native getdents64(2) syscall for 64 bit - for some reason
   it was only for the compat ABIs.  This has been reported to cause an
   application issue.  This turned out bigger than I meant but the wait
   instruction support code was driving me nuts.

* 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus:
  MIPS: N64: Wire getdents64(2)
  kprobes/mips: Fix to check double free of insn slot
  MIPS: Idle: Break r4k_wait into two functions and fix it.
  MIPS: Idle: Do address fiddlery in helper functions.
  MIPS: Idle: Consolidate all declarations in <asm/idle.h>.
  MIPS: Idle: Don't call local_irq_disable() in cpu_wait() implementations.
  MIPS: Idle: Re-enable irqs at the end of r3081, au1k and loongson2 cpu_wait.
  MIPS: Idle: Make call of function pointer readable.
  MIPS: Idle: Consistently reformat inline assembler.
  MIPS: Idle: cleaup SMTC idle hook as per Linux coding style.
  MIPS: Consolidate idle loop / WAIT instruction support in a single file.
  MIPS: clock.h: Remove declaration of cpu_wait.
  Add include dependencies to <linux/printk.h>.
  MIPS: Rewrite pfn_valid to work in modules, too.
2013-05-22 18:05:45 -07:00
Paul Zimmerman 0797c3a3e9 staging: dwc2: remove compile warning for USB_DWC2_TRACK_MISSED_SOFS
Remove the compile-time warning for this config option, and instead
warn that it is experimental in the Kconfig text

Reported-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Paul Zimmerman <paulz@synopsys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-05-22 15:19:18 -07:00
Greg Kroah-Hartman ed644baab6 First round of IIO fixes for the 3.10 cycle.
The usual mixed bag of little fixes.
 
 1) A fix for mxs-lradc having missed out on some global abi changes that and
    hence being unable to start up buffered output.
 2) Clean up error handling in tsl2x7x
 3) A build fix for some of the dac drivers when they have spi master support
    built in, but i2c support build as a module.
 4) Add a missing disable after a oneshot capture to the st sensor core.
 5) Exynos adc driver took a novel an incorrect route to get at its private
    data store.
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Merge tag 'iio-fixes-for-3.10a' of git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into staging-linus

Jonathan writes:

First round of IIO fixes for the 3.10 cycle.

The usual mixed bag of little fixes.

1) A fix for mxs-lradc having missed out on some global abi changes that and
   hence being unable to start up buffered output.
2) Clean up error handling in tsl2x7x
3) A build fix for some of the dac drivers when they have spi master support
   built in, but i2c support build as a module.
4) Add a missing disable after a oneshot capture to the st sensor core.
5) Exynos adc driver took a novel an incorrect route to get at its private
   data store.
2013-05-22 15:11:31 -07:00
Naveen Krishna Chatradhi 927b4dc3e4 iio: exynos_adc: fix wrong structure extration in suspend and resume
The exynos_adc device structure was wrongly extracted from the dev*
correcting the same.

Using the regular conversion of
struct device* -> struct platform_device* -> struct exynos_adc* seems wrong.
Instead we should be doing
struct device* -> struct iio_dev* -> struct exynos_adc*

Signed-off-by: Naveen Krishna Chatradhi <ch.naveen@samsung.com>
Reviewed-by: Doug Anderson <dianders@chromium.org>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2013-05-22 22:15:20 +01:00
Denis CIOCCA d61a04dc14 iio:common:st: added disable function after read info raw data
Signed-off-by: Denis Ciocca <denis.ciocca@st.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2013-05-22 22:14:58 +01:00
Axel Lin 0ae5fb6fd3 iio: dac: Fix build error when CONFIG_SPI_MASTER=y && CONFIG_I2C=m
This patch fixes below build error when CONFIG_SPI_MASTER=y && CONFIG_I2C=m:

drivers/built-in.o: In function `ad5064_i2c_write':
drivers/iio/dac/ad5064.c:608: undefined reference to `i2c_master_send'
drivers/built-in.o: In function `ad5064_i2c_register_driver':
drivers/iio/dac/ad5064.c:646: undefined reference to `i2c_register_driver'
drivers/built-in.o: In function `ad5064_i2c_unregister_driver':
drivers/iio/dac/ad5064.c:651: undefined reference to `i2c_del_driver'
make: *** [vmlinux] Error 1

When CONFIG_I2C=m, meaning we can't build the drivers in with I2C support.
Thus don't allow the drivers to be compiled as built-in when CONFIG_I2C=m.

The real fix though is to break the driver apart into a SPI part, an I2C part
and a common part. But that's something for 3.11 while this is something for
3.10/stable.

Reported-by: Wu Fengguang <fengguang.wu@intel.com>
Reported-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Acked-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2013-05-22 22:14:58 +01:00
Wei Yongjun 3b813798aa staging:iio:light:tsl2x7x: fix the error handling in tsl2x7x_probe()
Fix to return -EINVAL in the i2c device found error handling
case instead of 0, as done elsewhere in this function.
And also correct the fail1 and fail2 lable to do the right thing.

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2013-05-22 22:14:57 +01:00
Michał Mirosław c80712c793 staging/iio/mxs-lradc: fix preenable for multiple buffers
This fixes 'preenable failed: -EINVAL' error when using this driver.

Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2013-05-22 22:14:57 +01:00
Jiang Liu 0c9b5a317b avr32: fix building warnings caused by redefinitions of HZ
As suggested by David Howells <dhowells@redhat.com>, use
asm-generic/param.h and uapi/asm-generic/param.h for AVR32.

It also fixes building warnings caused by redefinitions of HZ:
In file included from /ws/linux/kernel/linux.git/include/uapi/linux/param.h:4,
                 from include/linux/timex.h:63,
                 from include/linux/jiffies.h:8,
                 from include/linux/ktime.h:25,
                 from include/linux/timer.h:5,
                 from include/linux/workqueue.h:8,
                 from include/linux/srcu.h:34,
                 from include/linux/notifier.h:15,
                 from include/linux/memory_hotplug.h:6,
                 from include/linux/mmzone.h:777,
                 from include/linux/gfp.h:4,
                 from arch/avr32/mm/init.c:10:
/ws/linux/kernel/linux.git/arch/avr32/include/asm/param.h:6:1: warning: "HZ" redefined
In file included from /ws/linux/kernel/linux.git/arch/avr32/include/asm/param.h:4,
                 from /ws/linux/kernel/linux.git/include/uapi/linux/param.h:4,
                 from include/linux/timex.h:63,
                 from include/linux/jiffies.h:8,
                 from include/linux/ktime.h:25,
                 from include/linux/timer.h:5,
                 from include/linux/workqueue.h:8,
                 from include/linux/srcu.h:34,
                 from include/linux/notifier.h:15,
                 from include/linux/memory_hotplug.h:6,
                 from include/linux/mmzone.h:777,
                 from include/linux/gfp.h:4,
                 from arch/avr32/mm/init.c:10:
/ws/linux/kernel/linux.git/arch/avr32/include/uapi/asm/param.h:6:1: warning: this is the location of the previous definition

Signed-off-by: Jiang Liu <jiang.liu@huawei.com>
Cc: Hans-Christian Egtvedt <egtvedt@samfundet.no>
Cc: Haavard Skinnemoen <hskinnemoen@gmail.com>
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Hans-Christian Egtvedt <egtvedt@samfundet.no>
2013-05-22 21:05:44 +02:00
Matwey V. Kornilov e037f95ffb tty: mxser: Fix build warning introduced by dfc7b837c7 (Re: linux-next: build warning after merge of the tty.current tree)
Fix build warning at mxser.c introduced by dfc7b837c7 (tty: mxser: fix
usage of opmode_ioaddr)

Signed-off-by: Matwey V. Kornilov <matwey@sai.msu.ru>
Reported-by: kbuild test robot <fengguang.wu@intel.com>
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-05-22 10:26:02 -07:00
Ralf Baechle bb3ec6b083 mm: Fix virt_to_page() warning
virt_to_page() is typically implemented as a macro containing a cast so
that it will accept both pointers and unsigned long without causing a
warning.

But MIPS virt_to_page() uses virt_to_phys which is a function so passing
an unsigned long will cause a warning:

    CC      mm/page_alloc.o
  mm/page_alloc.c: In function ‘free_reserved_area’:
  mm/page_alloc.c:5161:3: warning: passing argument 1 of ‘virt_to_phys’ makes pointer from integer without a cast [enabled by default]
  arch/mips/include/asm/io.h:119:100: note: expected ‘const volatile void *’ but argument is of type ‘long unsigned int’

All others users of virt_to_page() in mm/ are passing a void *.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Reported-by: Eunbong Song <eunb.song@samsung.com>
Cc: linux-kernel@vger.kernel.org
Cc: linux-mm@kvack.org
Cc: linux-mips@linux-mips.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-05-22 08:05:16 -07:00
Linus Torvalds cbfd2cd719 This is the first batch of MFD fixes for 3.10.
It's bigger than I would like, most of it is due to the big ab/db8500 merge
 that went through during the 3.10 merge window.
 
 So we have:
 
 - Some build fixes for the tps65912 and ab8500 drivers.
 - A couple of build fixes for the the si476x driver with pre 4.3 gcc
   compilers.
 - A few runtime breakage fixes (probe failures or oopses) for the ab8500
   and db8500 drivers.
 - Some sparse or regular gcc warning fixes for the si476x, ab8500 and
   cros_ec drivers.
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Merge tag 'mfd-fixes-3.10-1' of git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-fixes

Pull mfd fixes from Samuel Ortiz:
 "This is the first batch of MFD fixes for 3.10.

  It's bigger than I would like, most of it is due to the big ab/db8500
  merge that went through during the 3.10 merge window.

  So we have:

   - Some build fixes for the tps65912 and ab8500 drivers.
   - A couple of build fixes for the the si476x driver with pre 4.3 gcc
     compilers.
   - A few runtime breakage fixes (probe failures or oopses) for the
     ab8500 and db8500 drivers.
   - Some sparse or regular gcc warning fixes for the si476x, ab8500 and
     cros_ec drivers."

* tag 'mfd-fixes-3.10-1' of git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-fixes:
  mfd: ab8500-sysctrl: Let sysctrl driver work without pdata
  mfd: db8500-prcmu: Update stored DSI PLL divider value
  mfd: ab8500-sysctrl: Always enable pm_power_off handler
  mfd: ab8500-core: Pass GPADC compatible string to MFD core
  mfd: db8500-prcmu: Supply the pdata_size attribute for db8500-thermal
  mfd: ab8500-core: Use the correct driver name when enabling gpio/pinctrl
  mfd: ab8500: Pass AB8500 IRQ to debugfs code by resource
  mfd: ab8500-gpadc: Suppress 'ignoring regulator_enable() return value' warning
  mfd: ab8500-sysctrl: Set sysctrl_dev during probe
  mfd: ab8500-sysctrl: Fix sparse warning
  mfd: abx500-core: Fix sparse warning
  mfd: ab8500: Debugfs code depends on gpadc
  mfd: si476x: Use get_unaligned_be16() for unaligned be16 loads
  mfd: cros_ec_spi: Use %z to format pointer differences
  mfd: si476x: Do not use binary constants
  mfd: tps65912: Select MFD_CORE
2013-05-22 07:18:41 -07:00
Linus Torvalds 94f1be9798 A build fix and a uapi exposure fix. The build fix is later than
I liked, but my first version broke linux-next due to overzealous
 header clean.
 
 Thanks,
 Rusty.
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Merge tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux

Pull virtio fixes from Rusty Russell:
 "A build fix and a uapi exposure fix.  The build fix is later than I
  liked, but my first version broke linux-next due to overzealous header
  clean."

* tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux:
  virtio_console: fix uapi header
  Hoist memcpy_fromiovec/memcpy_toiovec into lib/
2013-05-22 07:16:49 -07:00
Aron Xu dec33abaaf MIPS: N64: Wire getdents64(2)
As a relatively new ABI, N64 only had getdents syscall while other modern
architectures have getdents64.

This was noticed when Python 3.3 shifted to the latter one for aarch64.

[ralf@linux-mips.org: The history of getdents64 is a little complicated.
Commit 1a1d77dd589de5a567fa95e36aa6999c704ceca4 [Merge with 2.4.0-test7.]
added N64 getdents(2) to arch/mips64/kernel/scall_64.S as syscall 5213,
then dropped again in 578720675c44e54e8aa7c68f6dce59ed37ce3d3b [Overhaul
of the 64-bit syscall interface.  Now heritage free.] for 2.5.18 in 2002.]

Signed-off-by: Aron Xu <aron@debian.org>
Acked-by: David Daney <david.daney@cavium.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/5285/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2013-05-22 15:37:58 +02:00
Masami Hiramatsu 22047b8517 kprobes/mips: Fix to check double free of insn slot
Fix to check double free of insn_slot at arch_remove_kprobe
as other arches do.

Signed-off-by: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
Cc: David Daney <ddaney@caviumnetworks.com>
Cc: Maneesh Soni <manesoni@cisco.com>
Cc: Victor Kamensky <kamensky@cisco.com>
Cc: linux-mips@linux-mips.org
Cc: Ingo Molnar <mingo@redhat.com>
Cc: linux-kernel@vger.kernel.org
Cc: linux-mips@linux-mips.org
Cc: yrl.pp-manager.tt@hitachi.com
Cc: systemtap@sourceware.org
Patchwork: https://patchwork.linux-mips.org/patch/5293/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2013-05-22 12:48:30 +02:00
Sanjay Lal 6d17c0d1e8 KVM/MIPS32: Wrap calls to gfn_to_pfn() with srcu_read_lock/unlock()
- As suggested by Gleb, wrap calls to gfn_to_pfn() with srcu_read_lock/unlock().
  Memory slots should be acccessed from a SRCU read section.
- kvm_mips_map_page() now returns an error code to it's callers, instead of
  calling panic() if it cannot find a mapping for a particular gfn.

Signed-off-by: Sanjay Lal <sanjayl@kymasys.com>
Signed-off-by: Gleb Natapov <gleb@redhat.com>
2013-05-22 11:44:09 +03:00
Sanjay Lal ba86e4dda7 KVM/MIPS32: Move include/asm/kvm.h => include/uapi/asm/kvm.h since it is a user visible API.
Signed-off-by: Sanjay Lal <sanjayl@kymasys.com>
Signed-off-by: Gleb Natapov <gleb@redhat.com>
2013-05-22 11:42:53 +03:00
Ralf Baechle 087d990b37 MIPS: Idle: Break r4k_wait into two functions and fix it.
local_irq_enable() may expand into very different code, so it rather should
stay in C.  Also this keeps the assembler code size constant which keeps
the rollback code simple.  So it's best to split r4k_wait into two parts,
one C and one assembler.

Finally add the local_irq_enable() to r4k_wait to ensure the WAIT
instruction in __r4k_wait() will work properly.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2013-05-22 01:34:28 +02:00
Ralf Baechle f94d9a8ef9 MIPS: Idle: Do address fiddlery in helper functions.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2013-05-22 01:34:28 +02:00
Ralf Baechle bdc92d74e0 MIPS: Idle: Consolidate all declarations in <asm/idle.h>.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2013-05-22 01:34:27 +02:00
Ralf Baechle d882f07a83 MIPS: Idle: Don't call local_irq_disable() in cpu_wait() implementations.
The generic idle loop has already disabled interrupts so this is redundant.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2013-05-22 01:34:27 +02:00
Ralf Baechle fb40bc3e94 MIPS: Idle: Re-enable irqs at the end of r3081, au1k and loongson2 cpu_wait.
Without this, the

    WARN_ON_ONCE(irqs_disabled());

in the idle loop will be triggered.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2013-05-22 01:34:26 +02:00
Ralf Baechle c9b6869dbb MIPS: Idle: Make call of function pointer readable.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2013-05-22 01:34:26 +02:00
Ralf Baechle f91a148aa2 MIPS: Idle: Consistently reformat inline assembler.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2013-05-22 01:34:25 +02:00
Ralf Baechle 00baf8576c MIPS: Idle: cleaup SMTC idle hook as per Linux coding style.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2013-05-22 01:34:25 +02:00
Ralf Baechle 49f2ec91e1 MIPS: Consolidate idle loop / WAIT instruction support in a single file.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2013-05-22 01:34:25 +02:00
Ralf Baechle 1a461c5bdc MIPS: clock.h: Remove declaration of cpu_wait.
Duplicate and has no business in this header file.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2013-05-22 01:34:25 +02:00
Ralf Baechle 154c267008 Add include dependencies to <linux/printk.h>.
If <linux/linkage.h> has not been included before <linux/printk.h>,
a build error like the below one will result:

  CC      arch/mips/kernel/idle.o
In file included from arch/mips/kernel/idle.c:17:0:
include/linux/printk.h:109:1: error: data definition has no type or storage class [-Werror]
include/linux/printk.h:109:1: error: type defaults to ‘int’ in declaration of ‘asmlinkage’ [-Werror=implicit-int]
include/linux/printk.h:110:1: error: ‘format’ attribute only applies to function types [-Werror=attributes]
include/linux/printk.h:110:1: error: expected ‘,’ or ‘;’ before ‘int’
include/linux/printk.h:114:1: error: data definition has no type or storage class [-Werror]
include/linux/printk.h:114:1: error: type defaults to ‘int’ in declaration of ‘asmlinkage’ [-Werror=implicit-int]
include/linux/printk.h:115:1: error: ‘format’ attribute only applies to function types [-Werror=attributes]
include/linux/printk.h:115:1: error: expected ‘,’ or ‘;’ before ‘int’
include/linux/printk.h:117:1: error: data definition has no type or storage class [-Werror]
include/linux/printk.h:117:1: error: type defaults to ‘int’ in declaration of ‘asmlinkage’ [-Werror=implicit-int]
include/linux/printk.h:118:1: error: ‘format’ attribute only applies to function types [-Werror=attributes]
include/linux/printk.h:118:1: error: ‘__cold__’ attribute ignored [-Werror=attributes]
include/linux/printk.h:118:1: error: expected ‘,’ or ‘;’ before ‘asmlinkage’
include/linux/printk.h:122:1: error: data definition has no type or storage class [-Werror]
include/linux/printk.h:122:1: error: type defaults to ‘int’ in declaration of ‘asmlinkage’ [-Werror=implicit-int]
include/linux/printk.h:123:1: error: ‘format’ attribute only applies to function types [-Werror=attributes]
include/linux/printk.h:123:1: error: ‘__cold__’ attribute ignored [-Werror=attributes]
include/linux/printk.h:123:1: error: expected ‘,’ or ‘;’ before ‘int’
In file included from include/linux/kernel.h:14:0,
                 from include/linux/sched.h:15,
                 from arch/mips/kernel/idle.c:18:
include/linux/dynamic_debug.h: In function ‘ddebug_dyndbg_module_param_cb’:
include/linux/dynamic_debug.h:124:3: error: implicit declaration of function ‘printk’ [-Werror=implicit-function-declaration]

Fixed by including <linux/linkage.h>.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2013-05-22 01:34:24 +02:00