Commit Graph

2288 Commits

Author SHA1 Message Date
Linus Torvalds 88bbfb4a62 blackfin updates for Linux 3.16
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Merge tag 'blackfin-for-linus' of http://git.kernel.org/pub/scm/linux/kernel/git/realmz6/blackfin-linux

Pull blackfin updates from Steven Miao.

* tag 'blackfin-for-linus' of http://git.kernel.org/pub/scm/linux/kernel/git/realmz6/blackfin-linux:
  blackfin: defconfigs: add MTD_SPI_NOR (new dependency for M25P80)
  Revert "blackfin: dma: current count mmr is read only"
  bf533: fix build error: add linux/gpio.h
2014-06-12 20:08:47 -07:00
Brian Norris 51fdc6bf98 blackfin: defconfigs: add MTD_SPI_NOR (new dependency for M25P80)
These defconfigs contain the CONFIG_M25P80 symbol, which is now
dependent on the MTD_SPI_NOR symbol. Add CONFIG_MTD_SPI_NOR to the
relevant defconfigs.

At the same time, drop the now-nonexistent CONFIG_MTD_CHAR symbol.

Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Cc: Steven Miao <realmz6@gmail.com>
Cc: adi-buildroot-devel@lists.sourceforge.net
Cc: linux-kernel@vger.kernel.org
2014-06-12 16:58:50 +08:00
Steven Miao ff5ae12d84 Revert "blackfin: dma: current count mmr is read only"
curr_x_count/curr_y_count need to be cleared here, keep this workaround

This reverts commit dfb02f95f5430e47d0c49adbc4469d08eea38b94.

Signed-off-by: Steven Miao <realmz6@gmail.com>
2014-06-11 00:13:22 +08:00
Steven Miao bc4fef6f32 bf533: fix build error: add linux/gpio.h
build error
arch/blackfin/mach-bf533/boards/stamp.c: In function ‘stamp_init’:
arch/blackfin/mach-bf533/boards/stamp.c:866: error: implicit declaration of function ‘gpio_request’
arch/blackfin/mach-bf533/boards/stamp.c:868: error: implicit declaration of function ‘gpio_direction_output’
arch/blackfin/mach-bf533/boards/stamp.c:869: error: implicit declaration of function ‘gpio_free’

Signed-off-by: Steven Miao <realmz6@gmail.com>
2014-06-10 23:18:32 +08:00
Davidlohr Bueso b951242a4f blackfin/ptrace: call find_vma with the mmap_sem held
Performing vma lookups without taking the mm->mmap_sem is asking for
trouble.  While doing the search, the vma in question can be modified or
even removed before returning to the caller.  Take the lock (shared) in
order to avoid races while iterating through the vmacache and/or rbtree.

Signed-off-by: Davidlohr Bueso <davidlohr@hp.com>
Cc: Steven Miao <realmz6@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-06-06 16:08:16 -07:00
Linus Torvalds cc07aabc53 - Optimised assembly string/memory routines (based on the AArch64 Cortex
Strings library contributed to glibc but re-licensed under GPLv2)
 - Optimised crypto algorithms making use of the ARMv8 crypto extensions
   (together with kernel API for using FPSIMD instructions in interrupt
   context)
 - Ftrace support
 - CPU topology parsing from DT
 - ESR_EL1 (Exception Syndrome Register) exposed to user space signal
   handlers for SIGSEGV/SIGBUS (useful to emulation tools like Qemu)
 - 1GB section linear mapping if applicable
 - Barriers usage clean-up
 - Default pgprot clean-up
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Merge tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux into next

Pull arm64 updates from Catalin Marinas:
 - Optimised assembly string/memory routines (based on the AArch64
   Cortex Strings library contributed to glibc but re-licensed under
   GPLv2)
 - Optimised crypto algorithms making use of the ARMv8 crypto extensions
   (together with kernel API for using FPSIMD instructions in interrupt
   context)
 - Ftrace support
 - CPU topology parsing from DT
 - ESR_EL1 (Exception Syndrome Register) exposed to user space signal
   handlers for SIGSEGV/SIGBUS (useful to emulation tools like Qemu)
 - 1GB section linear mapping if applicable
 - Barriers usage clean-up
 - Default pgprot clean-up

Conflicts as per Catalin.

* tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: (57 commits)
  arm64: kernel: initialize broadcast hrtimer based clock event device
  arm64: ftrace: Add system call tracepoint
  arm64: ftrace: Add CALLER_ADDRx macros
  arm64: ftrace: Add dynamic ftrace support
  arm64: Add ftrace support
  ftrace: Add arm64 support to recordmcount
  arm64: Add 'notrace' attribute to unwind_frame() for ftrace
  arm64: add __ASSEMBLY__ in asm/insn.h
  arm64: Fix linker script entry point
  arm64: lib: Implement optimized string length routines
  arm64: lib: Implement optimized string compare routines
  arm64: lib: Implement optimized memcmp routine
  arm64: lib: Implement optimized memset routine
  arm64: lib: Implement optimized memmove routine
  arm64: lib: Implement optimized memcpy routine
  arm64: defconfig: enable a few more common/useful options in defconfig
  ftrace: Make CALLER_ADDRx macros more generic
  arm64: Fix deadlock scenario with smp_send_stop()
  arm64: Fix machine_shutdown() definition
  arm64: Support arch_irq_work_raise() via self IPIs
  ...
2014-06-06 10:43:28 -07:00
Fabian Frederick f6187769da sys_sgetmask/sys_ssetmask: add CONFIG_SGETMASK_SYSCALL
sys_sgetmask and sys_ssetmask are obsolete system calls no longer
supported in libc.

This patch replaces architecture related __ARCH_WANT_SYS_SGETMAX by expert
mode configuration.That option is enabled by default for those
architectures.

Signed-off-by: Fabian Frederick <fabf@skynet.be>
Cc: Steven Miao <realmz6@gmail.com>
Cc: Mikael Starvik <starvik@axis.com>
Cc: Jesper Nilsson <jesper.nilsson@axis.com>
Cc: David Howells <dhowells@redhat.com>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Michal Simek <monstr@monstr.eu>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Koichi Yasutake <yasutake.koichi@jp.panasonic.com>
Cc: "James E.J. Bottomley" <jejb@parisc-linux.org>
Cc: Helge Deller <deller@gmx.de>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Greg Ungerer <gerg@uclinux.org>
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: Oleg Nesterov <oleg@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-06-04 16:54:14 -07:00
Linus Torvalds 776edb5931 Merge branch 'locking-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip into next
Pull core locking updates from Ingo Molnar:
 "The main changes in this cycle were:

   - reduced/streamlined smp_mb__*() interface that allows more usecases
     and makes the existing ones less buggy, especially in rarer
     architectures

   - add rwsem implementation comments

   - bump up lockdep limits"

* 'locking-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (33 commits)
  rwsem: Add comments to explain the meaning of the rwsem's count field
  lockdep: Increase static allocations
  arch: Mass conversion of smp_mb__*()
  arch,doc: Convert smp_mb__*()
  arch,xtensa: Convert smp_mb__*()
  arch,x86: Convert smp_mb__*()
  arch,tile: Convert smp_mb__*()
  arch,sparc: Convert smp_mb__*()
  arch,sh: Convert smp_mb__*()
  arch,score: Convert smp_mb__*()
  arch,s390: Convert smp_mb__*()
  arch,powerpc: Convert smp_mb__*()
  arch,parisc: Convert smp_mb__*()
  arch,openrisc: Convert smp_mb__*()
  arch,mn10300: Convert smp_mb__*()
  arch,mips: Convert smp_mb__*()
  arch,metag: Convert smp_mb__*()
  arch,m68k: Convert smp_mb__*()
  arch,m32r: Convert smp_mb__*()
  arch,ia64: Convert smp_mb__*()
  ...
2014-06-03 12:57:53 -07:00
Linus Torvalds e13cccfd86 spi: Updates for v3.16
For this release SPI has been exceptionally quiet, all the work has been
 on improving drivers (including taking advantage of some of the recent
 framework updates):
 
  - DMA support for the rspi driver providing a nice performance boost.
  - Performance improvement for the SIRF controller in PIO mode.
  - New support for the Cadence SPI IP and for pxa2xx on BayTrail.
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Merge tag 'spi-v3.16' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi into next

Pull spi updates from Mark Brown:
 "For this release SPI has been exceptionally quiet, all the work has
  been on improving drivers (including taking advantage of some of the
  recent framework updates):

   - DMA support for the rspi driver providing a nice performance boost
   - performance improvement for the SIRF controller in PIO mode
   - new support for the Cadence SPI IP and for pxa2xx on BayTrail"

* tag 'spi-v3.16' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi: (59 commits)
  spi: rspi: Extract rspi_common_transfer()
  spi: rspi: Add DMA support for RSPI on RZ/A1H
  spi: rspi: Add DMA support for QSPI on R-Car Gen2
  spi: rspi: Absorb rspi_rz_transfer_out_in() into rspi_rz_transfer_one()
  spi: rspi: Merge rspi_*_dma() into rspi_dma_transfer()
  spi: rspi: Pass sg_tables instead of spi_tranfer to rspi_*_dma()
  spi: rspi: Move RSPI-specific setup out of DMA routines
  spi: rspi: Use SPI core DMA mapping framework
  spi: rspi: SPI DMA core needs both RX and TX DMA to function
  spi: rspi: Remove unneeded resource test in DMA setup
  spi: rspi: Extract rspi_request_dma_chan()
  spi: rspi: Don't consider DMA configuration failures fatal
  spi: rspi: Extract rspi_pio_transfer()
  spi: rspi: Use core SPI_MASTER_MUST_[RT]X handling
  spi: rspi: Remove unused 16-bit DMA support
  spi: rspi: Do not call rspi_receive_init() for TX-only
  spi: rspi: Extract rspi_wait_for_{tx_empty,rx_full}()
  spi/pxa2xx: fix runtime PM enabling order
  spi/fsl-espi: fix rx_buf in fsl_espi_cmd_trans()/fsl_espi_rw_trans()
  spi: core: Ignore unsupported spi-[tr]x-bus-width property values
  ...
2014-06-03 11:34:43 -07:00
Linus Torvalds e5c4ecdc55 USB driver patches for 3.16-rc1
Here is the big USB driver pull request for 3.16-rc1.
 
 Nothing huge here, but lots of little things in the USB core, and in
 lots of drivers.  Hopefully the USB power management will be work better
 now that it has been reworked to do per-port power control dynamically.
 There's also a raft of gadget driver updates and fixes, CONFIG_USB_DEBUG
 is finally gone now that everything has been converted over to the
 dynamic debug inteface, the last hold-out drivers were cleaned up and
 the config option removed.  There were also other minor things all
 through the drivers/usb/ tree, the shortlog shows this pretty well.
 
 All have been in linux-next, including the very last patch, which came
 from linux-next to fix a build issue on some platforms.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-3.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb into next

Pull USB driver updates from Greg KH:
 "Here is the big USB driver pull request for 3.16-rc1.

  Nothing huge here, but lots of little things in the USB core, and in
  lots of drivers.  Hopefully the USB power management will be work
  better now that it has been reworked to do per-port power control
  dynamically.  There's also a raft of gadget driver updates and fixes,
  CONFIG_USB_DEBUG is finally gone now that everything has been
  converted over to the dynamic debug inteface, the last hold-out
  drivers were cleaned up and the config option removed.  There were
  also other minor things all through the drivers/usb/ tree, the
  shortlog shows this pretty well.

  All have been in linux-next, including the very last patch, which came
  from linux-next to fix a build issue on some platforms"

* tag 'usb-3.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (314 commits)
  usb: hub_handle_remote_wakeup() only exists for CONFIG_PM=y
  USB: orinoco_usb: remove CONFIG_USB_DEBUG support
  USB: media: lirc: igorplugusb: remove CONFIG_USB_DEBUG support
  USB: media: streamzap: remove CONFIG_USB_DEBUG
  USB: media: redrat3: remove CONFIG_USB_DEBUG usage
  USB: media: redrat3: remove unneeded tracing macro
  usb: qcserial: add additional Sierra Wireless QMI devices
  usb: host: max3421-hcd: Use module_spi_driver
  usb: host: max3421-hcd: Allow platform-data to specify Vbus polarity
  usb: host: max3421-hcd: fix "spi_rd8" uses dynamic stack allocation warning
  usb: host: max3421-hcd: Fix missing unlock in max3421_urb_enqueue()
  usb: qcserial: add Netgear AirCard 341U
  Documentation: dt-bindings: update xhci-platform DT binding for R-Car H2 and M2
  usb: host: xhci-plat: add xhci_plat_start()
  usb: host: max3421-hcd: Fix potential NULL urb dereference
  Revert "usb: gadget: net2280: Add support for PLX USB338X"
  USB: usbip: remove CONFIG_USB_DEBUG reference
  USB: remove CONFIG_USB_DEBUG from defconfig files
  usb: resume child device when port is powered on
  usb: hub_handle_remote_wakeup() depends on CONFIG_PM_RUNTIME=y
  ...
2014-06-03 09:11:20 -07:00
Naoki MATSUMOTO 3a0d89d3f8 USB: delete CONFIG_USB_DEVICEFS from defconfig
It no longer occurs in Kconfig.
USB: remove CONFIG_USB_DEVICEFS(fb28d58b) leaked remove defconfig.

Signed-off-by: Naoki MATSUMOTO <nekomatu+linux@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-05-27 16:07:13 -07:00
Hanjun Guo a43ae58c84 PCI: Turn pcibios_penalize_isa_irq() into a weak function
pcibios_penalize_isa_irq() is only implemented by x86 now, and legacy ISA
is not used by some architectures.  Make pcibios_penalize_isa_irq() a
__weak function to simplify the code.  This removes the need for new
platforms to add stub implementations of pcibios_penalize_isa_irq().

[bhelgaas: changelog, comments]
Signed-off-by: Hanjun Guo <hanjun.guo@linaro.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
2014-05-27 16:23:58 -06:00
AKASHI Takahiro eed542d696 ftrace: Make CALLER_ADDRx macros more generic
Most archs with HAVE_ARCH_CALLER_ADDR have pretty much the same
definitions of CALLER_ADDRx(n). Instead of duplicating the code for all
the archs, define a ftrace_return_address0() and
ftrace_return_address(n) that can be overwritten by the archs if they
need to do something different. Instead of 7 macros in every arch, we
now only have at most 2 (and actually only 1 as
ftrace_return_address0() should be the same for all archs).

The CALLER_ADDRx(n) will now be defined in linux/ftrace.h and use the
ftrace_return_address*(n?) macros. This removes a lot of the duplicate
code.

Link: http://lkml.kernel.org/p/1400585464-30333-1-git-send-email-takahiro.akashi@linaro.org

Signed-off-by: AKASHI Takahiro <takahiro.akashi@linaro.org>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2014-05-21 03:10:32 -04:00
Peter Zijlstra b7bb7d9b28 arch,blackfin: Convert smp_mb__*()
Blackfin's atomic primitives do not imply a full barrier as whitnessed
from its SMP smp_mb__{before,after}_clear_bit() implementations.

However since !SMP smp_mb() reduces to barrier() remove everything and
rely on the asm-generic/barrier.h implentation.

Signed-off-by: Peter Zijlstra <peterz@infradead.org>
Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Link: http://lkml.kernel.org/n/tip-1widdkdsb3c1titq8jez6g3g@git.kernel.org
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
Cc: Steven Miao <realmz6@gmail.com>
Cc: adi-buildroot-devel@lists.sourceforge.net
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2014-04-18 11:40:34 +02:00
Scott Jiang c34cc2487d spi: spi-adi-v3: convert to use common clk framework
Use common clk api to get spi clock.

Signed-off-by: Scott Jiang <scott.jiang.linux@gmail.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-04-14 17:45:25 +01:00
Scott Jiang 766e372199 spi: convert spi-bfin-v3.c to a multiplatform driver
Spi v3 controller is not only used on Blackfin. So rename it
and use ioread/iowrite api to make it work on other platform.

Signed-off-by: Scott Jiang <scott.jiang.linux@gmail.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-04-14 17:45:25 +01:00
Linus Torvalds fd18f00dd9 blackfin updates for Linux 3.15
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Merge tag 'blackfin-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/realmz6/blackfin-linux

Pull blackfin updates from Steven Miao:
 "Code cleanup, some previously ignored patches, and bug fixes"

* tag 'blackfin-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/realmz6/blackfin-linux:
  blackfin: cleanup board files
  bf609: clock: drop unused clock bit set/clear functions
  Blackfin: bf537: rename "CONFIG_ADT75"
  Blackfin: bf537: rename "CONFIG_AD7314"
  Blackfin: bf537: rename ad2s120x ->ad2s1200
  blackfin: bf537: fix typo "CONFIG_SND_SOC_ADV80X_MODULE"
  blackfin: dma: current count mmr is read only
  bfin_crc: Move architecture independant crc header file out of the blackfin folder.
  bf54x: drop unuesd HOST status,control,timeout registers bit define macros
  blackfin: portmux: cleanup head file
  Blackfin: remove "config IP_CHECKSUM_L1"
  blackfin: Remove GENERIC_GPIO config option again
  blackfin:Use generic /proc/interrupts implementation
  blackfin: bf60x: fix typo "CONFIG_PM_BFIN_WAKE_PA15_POL"
2014-04-12 17:26:45 -07:00
Steven Miao c4a2c58d20 blackfin: cleanup board files
using IS_ENABLED() macro instead of defined(CONFIG_XXX) || defined(CONFIG_XXX_MODULE)

Signed-off-by: Steven Miao <realmz6@gmail.com>
2014-04-12 08:48:01 +08:00
Steven Miao f8ef77d938 bf609: clock: drop unused clock bit set/clear functions
Signed-off-by: Steven Miao <realmz6@gmail.com>
2014-04-12 08:48:00 +08:00
Paul Bolle f57ac8a744 Blackfin: bf537: rename "CONFIG_ADT75"
In v3.2 the Analog Devices ADT75 temperature sensor driver was removed
as an IIO driver and support for it was added to the LM75 HWMON driver.
But it was apparently overlooked to rename one reference to CONFIG_ADT75
to CONFIG_SENSORS_LM75. Do so now. Use the IS_ENABLED() macro, while
we're at it.

Signed-off-by: Paul Bolle <pebolle@tiscali.nl>
2014-04-12 08:47:59 +08:00
Paul Bolle e3dd192956 Blackfin: bf537: rename "CONFIG_AD7314"
In v3.2 the Analog Devices AD7314 temperature sensor driver was removed
as an IIO driver and added as a HWMON driver. But it was apparently
overlooked to rename two references to CONFIG_AD7314 to
CONFIG_SENSORS_AD7314. Do so now. Use the IS_ENABLED() macro, while
we're at it.

Signed-off-by: Paul Bolle <pebolle@tiscali.nl>
2014-04-12 08:47:58 +08:00
Paul Bolle 6ffe34638e Blackfin: bf537: rename ad2s120x ->ad2s1200
In v3.2 the Analog Devices ad2s1200/ad2s1205 driver was renamed from
ad2s120x to ad2s1200. But it apparently forgot to rename the references
to this driver in the BF537-STAMP code. Rename these now, and use the
IS_ENABLED() macro, while we're at it.

Signed-off-by: Paul Bolle <pebolle@tiscali.nl>
2014-04-12 08:47:57 +08:00
Paul Bolle cb8f05f74f blackfin: bf537: fix typo "CONFIG_SND_SOC_ADV80X_MODULE"
There's a (rather subtle) typo in "CONFIG_SND_SOC_ADV80X_MODULE". Fix it
once and for all by using IS_ENABLED(), which is designed to avoid
issues like this.

Signed-off-by: Paul Bolle <pebolle@tiscali.nl>
2014-04-12 08:47:56 +08:00
Sonic Zhang 3def9074f9 blackfin: dma: current count mmr is read only
Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
2014-04-12 08:47:54 +08:00
Sonic Zhang 3356c99ea3 bfin_crc: Move architecture independant crc header file out of the blackfin folder.
Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
Signed-off-by: Steven Miao <realmz6@gmail.com>
2014-04-12 08:47:53 +08:00
Steven Miao ba3b6d7504 bf54x: drop unuesd HOST status,control,timeout registers bit define macros
Signed-off-by: Steven Miao <realmz6@gmail.com>
2014-04-12 08:47:51 +08:00
Steven Miao a0c1fb2ea7 blackfin: portmux: cleanup head file
drop unused head file
change pinmux request/free macro for backward compatiblity
add function declaration

Signed-off-by: Steven Miao <realmz6@gmail.com>
2014-04-12 08:46:32 +08:00
Paul Bolle fa730d6277 Blackfin: remove "config IP_CHECKSUM_L1"
The only user of Kconfig symbol IP_CHECKSUM_L1 got removed in v2.6.33,
with commit ddf9ddacef ("Blackfin: convert
to generic checksum code"). We can remove the Kconfig entry for this
unused symbol now.

Signed-off-by: Paul Bolle <pebolle@tiscali.nl>
2014-04-11 23:41:52 +08:00
Paul Bolle 41f8fd926e blackfin: Remove GENERIC_GPIO config option again
The Kconfig symbol GENERIC_GPIO was removed in v3.10. Nothing cares
about it anymore. It popped up somehow in v3.13, so it can be removed
again.

Signed-off-by: Paul Bolle <pebolle@tiscali.nl>
2014-04-11 23:41:51 +08:00
Thomas Gleixner e8fac6334d blackfin:Use generic /proc/interrupts implementation
There is nothing special in that blackfin code. Use the core
implementation.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Steven Miao <realmz6@gmail.com>
Cc: bfin <adi-buildroot-devel@lists.sourceforge.net>
2014-04-11 23:40:55 +08:00
Paul Bolle 30fc7ebe84 blackfin: bf60x: fix typo "CONFIG_PM_BFIN_WAKE_PA15_POL"
Signed-off-by: Paul Bolle <pebolle@tiscali.nl>
Signed-off-by: Steven Miao <realmz6@gmail.com>
2014-04-11 22:36:15 +08:00
Linus Torvalds 39de65aa2c Merge branch 'i2c/for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull i2c updates from Wolfram Sang:
 "Here is the pull request from the i2c subsystem.  It got a little
  delayed because I needed to wait for a dependency to be included
  (commit b424080a9e08: "reset: Add optional resets and stubs").  Plus,
  I had some email problems.  All done now, the highlights are:

   - drivers can now deprecate their use of i2c classes.  That shouldn't
     be used on embedded platforms anyhow and was often blindly
     copy&pasted.  This mechanism gives users time to switch away and
     ultimately boot faster once the use of classes for those drivers is
     gone for good.

   - new drivers for QUP, Cadence, efm32

   - tracepoint support for I2C and SMBus

   - bigger cleanups for the mv64xxx, nomadik, and designware drivers

  And the usual bugfixes, cleanups, feature additions.  Most stuff has
  been in linux-next for a while.  Just some hot fixes and new drivers
  were added a bit more recently."

* 'i2c/for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux: (63 commits)
  i2c: cadence: fix Kconfig dependency
  i2c: Add driver for Cadence I2C controller
  i2c: cadence: Document device tree bindings
  Documentation: i2c: improve section about flags mangling the protocol
  i2c: qup: use proper type fro clk_freq
  i2c: qup: off by ones in qup_i2c_probe()
  i2c: efm32: fix binding doc
  MAINTAINERS: update I2C web resources
  i2c: qup: New bus driver for the Qualcomm QUP I2C controller
  i2c: qup: Add device tree bindings information
  i2c: i2c-xiic: deprecate class based instantiation
  i2c: i2c-sirf: deprecate class based instantiation
  i2c: i2c-mv64xxx: deprecate class based instantiation
  i2c: i2c-designware-platdrv: deprecate class based instantiation
  i2c: i2c-davinci: deprecate class based instantiation
  i2c: i2c-bcm2835: deprecate class based instantiation
  i2c: mv64xxx: Fix reset controller handling
  i2c: omap: fix usage of IS_ERR_VALUE with pm_runtime_get_sync
  i2c: efm32: new bus driver
  i2c: exynos5: remove unnecessary cast of void pointer
  ...
2014-04-09 08:45:40 -07:00
Linus Torvalds 68114e5eb8 Most of the changes were largely clean ups, and some documentation.
But there were a few features that were added.
 
 Uprobes now work with event triggers and multi buffers.
 Uprobes have support under ftrace and perf.
 
 The big feature is that the function tracer can now be used within the
 multi buffer instances. That is, you can now trace some functions
 in one buffer, others in another buffer, all functions in a third buffer
 and so on. They are basically agnostic from each other. This only
 works for the function tracer and not for the function graph trace,
 although you can have the function graph tracer running in the top level
 buffer (or any tracer for that matter) and have different function tracing
 going on in the sub buffers.
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Merge tag 'trace-3.15' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace

Pull tracing updates from Steven Rostedt:
 "Most of the changes were largely clean ups, and some documentation.
  But there were a few features that were added:

  Uprobes now work with event triggers and multi buffers and have
  support under ftrace and perf.

  The big feature is that the function tracer can now be used within the
  multi buffer instances.  That is, you can now trace some functions in
  one buffer, others in another buffer, all functions in a third buffer
  and so on.  They are basically agnostic from each other.  This only
  works for the function tracer and not for the function graph trace,
  although you can have the function graph tracer running in the top
  level buffer (or any tracer for that matter) and have different
  function tracing going on in the sub buffers"

* tag 'trace-3.15' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace: (45 commits)
  tracing: Add BUG_ON when stack end location is over written
  tracepoint: Remove unused API functions
  Revert "tracing: Move event storage for array from macro to standalone function"
  ftrace: Constify ftrace_text_reserved
  tracepoints: API doc update to tracepoint_probe_register() return value
  tracepoints: API doc update to data argument
  ftrace: Fix compilation warning about control_ops_free
  ftrace/x86: BUG when ftrace recovery fails
  ftrace: Warn on error when modifying ftrace function
  ftrace: Remove freelist from struct dyn_ftrace
  ftrace: Do not pass data to ftrace_dyn_arch_init
  ftrace: Pass retval through return in ftrace_dyn_arch_init()
  ftrace: Inline the code from ftrace_dyn_table_alloc()
  ftrace: Cleanup of global variables ftrace_new_pgs and ftrace_update_cnt
  tracing: Evaluate len expression only once in __dynamic_array macro
  tracing: Correctly expand len expressions from __dynamic_array macro
  tracing/module: Replace include of tracepoint.h with jump_label.h in module.h
  tracing: Fix event header migrate.h to include tracepoint.h
  tracing: Fix event header writeback.h to include tracepoint.h
  tracing: Warn if a tracepoint is not set via debugfs
  ...
2014-04-03 10:26:31 -07:00
Linus Torvalds d64b393253 Pin control bulk changes for the v3.15 series, no new core
functionality this time, just incremental driver updates:
 
 - A large refactoring of the MVEBU (Marvell) driver.
 
 - A large refactoring of the Tegra (nVidia) driver.
 
 - GPIO interrupt including soft edges support in the
   STi driver.
 
 - Misc updates to PFC (Renesas), AT91, ADI2 (Blackfin),
   pinctrl-single, sirf (CSR), msm (Qualcomm), Exynos (Samsung),
   sunxi (AllWinner), i.MX (Freescale), Baytrail.
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Merge tag 'pinctrl-v3.15-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl

Pull pin control bulk changes from Linus Walleij:
 "Pin control bulk changes for the v3.15 series, no new core
  functionality this time, just incremental driver updates:

   - A large refactoring of the MVEBU (Marvell) driver.

   - A large refactoring of the Tegra (nVidia) driver.

   - GPIO interrupt including soft edges support in the STi driver.

   - Misc updates to PFC (Renesas), AT91, ADI2 (Blackfin),
     pinctrl-single, sirf (CSR), msm (Qualcomm), Exynos (Samsung), sunxi
     (AllWinner), i.MX (Freescale), Baytrail"

* tag 'pinctrl-v3.15-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl: (72 commits)
  pinctrl: tegra: add some missing Tegra114 entries
  pinctrl: tegra: fix some mistakes in Tegra124
  pinctrl: msm: fix up out-of-order merge conflict
  pinctrl: st: Fix error check for of_irq_to_resource usage
  pinctrl: tegra: consistency cleanup
  pinctrl: tegra: dynamically calculate function list of groups
  pinctrl: tegra: init Tegra20/30 at module_init time
  pinctrl: st: Use ARRAY_SIZE instead of raw value for number of delays
  pinctrl: st: add pinctrl support for the STiH407 SoC
  pinctrl: st: Enhance the controller to manage unavailable registers
  pinctrl: msm: Simplify msm_config_reg() and callers
  pinctrl: msm: Remove impossible WARN_ON()s
  pinctrl: msm: Replace lookup tables with math
  pinctrl: msm: Drop OF_IRQ dependency
  pinctrl: msm: Drop unused includes
  pinctrl: msm: Check for ngpios > MAX_NR_GPIO
  pinctrl: msm: Silence recursive lockdep warning
  pinctrl: mvebu: silence WARN to dev_warn
  pinctrl: msm: drop wake_irqs bitmap
  pinctrl-baytrail: add function mux checking in gpio pin request
  ...
2014-04-01 13:10:49 -07:00
Sonic Zhang 5029a22a45 i2c: bfin-twi: remove unnecessary Blackfin SSYNC from the driver
Put necessary SSYNC code into blackfin twi arch header. The generic TWI
driver should not contain any architecture specific code.

Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
2014-03-09 08:41:18 +01:00
Sonic Zhang 45126da224 i2c: bfin-twi: move bits macros and structs in header from arch include to generic include
The ADI TWI peripheral is not binding to the Blackfin processor only.
The bits macros and structs should be put in the generic include header.
And update head file path in drivers accordingly.

Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
2014-03-09 08:40:41 +01:00
Jiri Slaby 3a36cb11ca ftrace: Do not pass data to ftrace_dyn_arch_init
As the data parameter is not really used by any ftrace_dyn_arch_init,
remove that from ftrace_dyn_arch_init. This also removes the addr
local variable from ftrace_init which is now unused.

Note the documentation was imprecise as it did not suggest to set
(*data) to 0.

Link: http://lkml.kernel.org/r/1393268401-24379-4-git-send-email-jslaby@suse.cz

Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: linux-arch@vger.kernel.org
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2014-03-07 10:06:14 -05:00
Jiri Slaby af64a7cb09 ftrace: Pass retval through return in ftrace_dyn_arch_init()
No architecture uses the "data" parameter in ftrace_dyn_arch_init() in any
way, it just sets the value to 0. And this is used as a return value
in the caller -- ftrace_init, which just checks the retval against
zero.

Note there is also "return 0" in every ftrace_dyn_arch_init.  So it is
enough to check the retval and remove all the indirect sets of data on
all archs.

Link: http://lkml.kernel.org/r/1393268401-24379-3-git-send-email-jslaby@suse.cz

Cc: linux-arch@vger.kernel.org
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2014-03-07 10:06:13 -05:00
Sonic Zhang 1e6f8e3c92 pinctrl: Move pint PM storage structure out of blackfin architecture.
It is better to keep this structure in the pinctrl-adi2 driver.

Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2014-02-10 10:13:08 +01:00
Tim Chen ddf1d169c0 locking/mcs: Allow architecture specific asm files to be used for contended case
This patch allows each architecture to add its specific assembly optimized
arch_mcs_spin_lock_contended and arch_mcs_spinlock_uncontended for
MCS lock and unlock functions.

Signed-off-by: Tim Chen <tim.c.chen@linux.intel.com>
Cc: Scott J Norton <scott.norton@hp.com>
Cc: Raghavendra K T <raghavendra.kt@linux.vnet.ibm.com>
Cc: AswinChandramouleeswaran <aswin@hp.com>
Cc: George Spelvin <linux@horizon.com>
Cc: Rik vanRiel <riel@redhat.com>
Cc: Andrea Arcangeli <aarcange@redhat.com>
Cc: MichelLespinasse <walken@google.com>
Cc: Peter Hurley <peter@hurleysoftware.com>
Cc: Andi Kleen <andi@firstfloor.org>
Cc: Alex Shi <alex.shi@linaro.org>
Cc: Dave Hansen <dave.hansen@intel.com>
Cc: Tim Chen <tim.c.chen@linux.intel.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: "Figo.zhang" <figo1802@gmail.com>
Cc: "Paul E.McKenney" <paulmck@linux.vnet.ibm.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Davidlohr Bueso <davidlohr.bueso@hp.com>
Cc: Waiman Long <waiman.long@hp.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Will Deacon <will.deacon@arm.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Matthew R Wilcox <matthew.r.wilcox@intel.com>
Signed-off-by: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/1390347382.3138.67.camel@schen9-DESK
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2014-02-09 21:18:52 +01:00
Tim Chen b119fa61d4 locking/mcs: Order the header files in Kbuild of each architecture in alphabetical order
We perform a clean up of the Kbuid files in each architecture.
We order the files in each Kbuild in alphabetical order
by running the below script.

for i in arch/*/include/asm/Kbuild
do
        cat $i | gawk '/^generic-y/ {
                i = 3;
                do {
                        for (; i <= NF; i++) {
                                if ($i == "\\") {
                                        getline;
                                        i = 1;
                                        continue;
                                }
                                if ($i != "")
                                        hdr[$i] = $i;
                        }
                        break;
                } while (1);
                next;
        }
        // {
                print $0;
        }
        END {
                n = asort(hdr);
                for (i = 1; i <= n; i++)
                        print "generic-y += " hdr[i];
        }' > ${i}.sorted;
        mv ${i}.sorted $i;
done

Signed-off-by: Tim Chen <tim.c.chen@linux.intel.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Matthew R Wilcox <matthew.r.wilcox@intel.com>
Cc: AswinChandramouleeswaran <aswin@hp.com>
Cc: Dave Hansen <dave.hansen@intel.com>
Cc: "Paul E.McKenney" <paulmck@linux.vnet.ibm.com>
Cc: Scott J Norton <scott.norton@hp.com>
Cc: Will Deacon <will.deacon@arm.com>
Cc: "Figo.zhang" <figo1802@gmail.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Rik van Riel <riel@redhat.com>
Cc: Waiman Long <waiman.long@hp.com>
Cc: Peter Hurley <peter@hurleysoftware.com>
Cc: Andrea Arcangeli <aarcange@redhat.com>
Cc: Tim Chen <tim.c.chen@linux.intel.com>
Cc: Alex Shi <alex.shi@linaro.org>
Cc: Raghavendra K T <raghavendra.kt@linux.vnet.ibm.com>
Cc: Andi Kleen <andi@firstfloor.org>
Cc: George Spelvin <linux@horizon.com>
Cc: MichelLespinasse <walken@google.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Davidlohr Bueso <davidlohr.bueso@hp.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Peter Zijlstra <peterz@infradead.org>
[ Fixed build bug. ]
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2014-02-09 21:17:50 +01:00
Linus Torvalds b399c46ea0 Merge branch 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull media updates from Mauro Carvalho Chehab:
 - a new jpeg codec driver for Samsung Exynos (jpeg-hw-exynos4)
 - a new dvb frontend for ds2103 chipset (m88ds2103)
 - a new sensor driver for Samsung S5K5BAF UXGA (s5k5baf)
 - new drivers for R-Car VSP1
 - a new radio driver: radio-raremono
 - a new tuner driver for ts2022 chipset (m88ts2022)
 - the analog part of em28xx is now a separate module that only
   load/runs if the device is not a pure digital TV device
 - added a staging driver for bcm2048 radio devices
 - the omap 2 video driver (omap24xx) was moved to staging.  This driver
   is for an old hardware and uses a deprecated Kernel internal API.  If
   nobody cares enough to fix it, it would be removed on a couple Kernel
   releases
 - the sn9c102 driver was moved to staging.  This driver was replaced by
   gspca, and disabled on some distros, as almost all devices are known
   to work properly with gspca.  It should be removed from kernel on a
   couple Kernel releases
 - lots of driver fixes, improvements and cleanups

* 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (421 commits)
  [media] media: v4l2-dev: fix video device index assignment
  [media] rc-core: reuse device numbers
  [media] em28xx-cards: properly initialize the device bitmap
  [media] Staging: media: Fix line length exceeding 80 characters in as102_drv.c
  [media] Staging: media: Fix line length exceeding 80 characters in as102_fe.c
  [media] Staging: media: Fix quoted string split across line in as102_fe.c
  [media] media: st-rc: Add reset support
  [media] m2m-deinterlace: fix allocated struct type
  [media] radio-usb-si4713: fix sparse non static symbol warnings
  [media] em28xx-audio: remove needless check before usb_free_coherent()
  [media] au0828: Fix sparse non static symbol warning
  Revert "[media] go7007-usb: only use go->dev after allocated"
  [media] em28xx-audio: provide an error code when URB submit fails
  [media] em28xx: fix check for audio only usb interfaces when changing the usb alternate setting
  [media] em28xx: fix usb alternate setting for analog and digital video endpoints > 0
  [media] em28xx: make 'em28xx_ctrl_ops' static
  em28xx-alsa: Fix error patch for init/fini
  [media] em28xx-audio: flush work at .fini
  [media] drxk: remove the option to load firmware asynchronously
  [media] em28xx: adjust period size at runtime
  ...
2014-01-31 09:31:14 -08:00
Linus Torvalds 30c867eebf blackfin updates for Linux 3.14
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Merge tag 'blackfin-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/realmz6/blackfin-linux

Pull blackfin updates from Steven Miao:
 "Some minor changes and bug fixes"

* tag 'blackfin-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/realmz6/blackfin-linux:
  From: Eunbong Song <eunb.song@samsung.com>
  Add platfrom device resource for bfin-sport on bf533 stamp
  fix build error for bf527-ezkit_defconfig for old silicon
  blackfin: Support L1 SRAM parity checking feature on bf60x
  blackfin: bf609: update the anomaly list to Nov 2013
  blackfin: delete non-required instances of <linux/init.h>
  From: Paul Walmsley <pwalmsley@nvidia.com>
  06/18] smp, blackfin: kill SMP single function call interrupt
  arch: blackfin: uapi: be sure of "_UAPI" prefix for all guard macros
2014-01-29 18:24:20 -08:00
Steven Miao 58095fdaaf From: Eunbong Song <eunb.song@samsung.com>
This patch removes CONFIG_MTD_PARTITIONS in config files for blackfin.
Because CONFIG_MTD_PARTITIONS was removed by commit
6a8a98b22b.

Signed-off-by: Eunbong Song <eunb.song@samsung.com>
Signed-off-by: Steven Miao <realmz6@gmail.com>
2014-01-29 15:14:56 +08:00
Aaron Wu eb706def7e Add platfrom device resource for bfin-sport on bf533 stamp
Signed-off-by: Aaron Wu <Aaron.wu@analog.com>
Signed-off-by: Steven Miao <realmz6@gmail.com>
2014-01-29 15:13:26 +08:00
Aaron Wu 44148338ce fix build error for bf527-ezkit_defconfig for old silicon
Signed-off-by: Aaron Wu <Aaron.wu@analog.com>

fix build error for bf527-ezkit_defconfig for old silicon
2014-01-29 15:13:20 +08:00
Sonic Zhang 1b6012394b blackfin: Support L1 SRAM parity checking feature on bf60x
Move code for the SEC faults from the IRQ hanlders into IRQ actions.
refine bfin fault routine handle

Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
Signed-off-by: Steven Miao <realmz6@gmail.com>
2014-01-29 15:12:20 +08:00
Sonic Zhang cccdfcf728 blackfin: bf609: update the anomaly list to Nov 2013
Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
2014-01-29 15:11:50 +08:00
Paul Gortmaker 10f3c513c9 blackfin: delete non-required instances of <linux/init.h>
None of these files are actually using any __init type directives
and hence don't need to include <linux/init.h>.  Most are just a
left over from __devinit and __cpuinit removal, or simply due to
code getting copied from one driver to the next.

Cc: Mike Frysinger <vapier@gentoo.org>
Cc: uclinux-dist-devel@blackfin.uclinux.org
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
2014-01-29 15:11:42 +08:00
Steven Miao b48b3a3906 From: Paul Walmsley <pwalmsley@nvidia.com>
blackfin: bf60x: clock: return 0 upon error from clk_round_rate()

clk_round_rate() should return 0 upon an error, rather than returning
a negative error code.  This is because clk_round_rate() is being
changed to return an unsigned return type rather than a signed type,
since some clock sources can generate rates higher than (2^31)-1 Hz.

Signed-off-by: Paul Walmsley <pwalmsley@nvidia.com>
Signed-off-by: Steven Miao <realmz6@gmail.com>
2014-01-29 15:11:26 +08:00